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                    火山名稱 警報級別 所屬地域 火山狀態
                    AmuktaUNASSIGNEDAleutians
                    FisherNORMALAleutians
                    FourpeakedUNASSIGNEDAlaska PeninsulaThe Alaska Volcano Observatory (AVO) has experienced failures of all monitoring instruments and stations at Fourpeaked Volcano and can no longer seismically monitor unrest at this volcano. As a result AVO is unable to (1) assess whether this ...
                    FrostyUNASSIGNEDAlaska PeninsulaOn Saturday November 12, 2016, AVO received reports from local residents of an avalanche feature on the northeast flank of Frosty Volcano, located 8 mi (13 km) southwest of Cold Bay. Analysis of photographs received by AVO show that a small portion ...
                    GareloiNORMALAleutiansThe magnitude 6.0 earthquake that occurred this morning at 09:00 AKDT (17:00 UTC) near Gareloi volcano was part of an ongoing swarm of shallow earthquakes that has been active between Gareloi and Tanaga Islands since April 30. At this time, the ...
                    GordonUNASSIGNEDWrangell Volcanic Field
                    Great SitkinNORMALAleutiansEarlier this week, AVO released an Information Statement describing an increase in seismic activity at Great Sitkin Volcano in the central Aleutian Islands, possibly starting as early as 30 July 2016. Along with the year-long increase in shallow ...
                    GriggsNORMALAlaska Peninsula
                    HayesUNASSIGNEDCook Inlet-South Central
                    HerbertUNASSIGNEDAleutians
                    IliamnaNORMALCook Inlet-South CentralJust before midnight on Saturday May 21, AVO detected seismic and pressure sensor signals associated with a large non-volcanic avalanche on the north flank of Iliamna Volcano. Avalanche events are somewhat common at this volcano. The seismic ...
                    Imuruk LakeUNASSIGNEDSeward Peninsula
                    Ingakslugwat HillsUNASSIGNEDSouthwest Alaska
                    IsanotskiNORMALAleutians
                    AniakchakNORMALAlaska PeninsulaThe Alaska Volcano Observatory (AVO) has re-established five of the six seismic monitoring instruments at Aniakchak Volcano and can now confidently monitor seismic unrest at the volcano. The maintenance work was completed this summer. With ...
                    KagamilUNASSIGNEDAleutians
                    KaguyakUNASSIGNEDAlaska Peninsula
                    KanagaNORMALAleutiansThe level of unrest at Kanaga Volcano has declined to background levels and AVO is reducing the Aviation Color Code and Volcano Alert Level to Green/Advisory. A brief period of elevated seismicity and an associated minor ash emission were ...
                    KasatochiUNASSIGNEDAleutiansYesterday, AVO reduced the Aviation Color Code to UNASSIGNED and Volcanic Alert Level to UNASSIGNED following two months of declining regional seismicity and no sign of continuing volcanic unrest.
                    KatmaiNORMALAlaska PeninsulaStrong northwest winds in the vicinity of Katmai and the Valley of Ten Thousand Smokes have picked up loose volcanic ash erupted during the 1912 Novarupta-Katmai eruption and carried it to the southeast today. As seen in a satellite image from this ...
                    KialagvikUNASSIGNEDAlaska Peninsula
                    KiskaUNASSIGNEDAleutians
                    KoniujiUNASSIGNEDAleutians
                    Kookooligit MountainsUNASSIGNEDBering Sea
                    KorovinNORMALAleutians
                    KukakUNASSIGNEDAlaska Peninsula
                    KupreanofUNASSIGNEDAlaska Peninsula
                    Little SitkinUNASSIGNEDAleutiansAVO can no longer seismically monitor the following volcanoes because of seismic station outages. As a result, AVO is unable to (1) assess whether these volcanoes may be building towards an eruption and (2) quickly confirm or dismiss reports of ...
                    MageikNORMALAlaska Peninsula
                    MakushinNORMALAleutians
                    MartinNORMALAlaska Peninsula
                    MoffettUNASSIGNEDAleutians
                    AugustineNORMALCook Inlet-South CentralThe M7.1 earthquake that occurred this morning at 1:30 AM AKDT between Augustine and Iliamna volcanoes was a result of tectonic plate motions and was not directly related to the volcanoes. According to the Alaska Earthquake Center (AEC), it was ...
                    NovaruptaNORMALAlaska Peninsula
                    Nunivak IslandUNASSIGNEDSouthwest Alaska
                    OkmokNORMALAleutiansAVO reduced the Aviation Color Code to GREEN and the Volcanic Alert Level to NORMAL for Okmok volcano earlier today. Seismic activity at Okmok has been at low to near background levels and satellite views show no activity over the past two weeks. ...
                    PavlofADVISORYAlaska PeninsulaNo activity was observed in partly cloudy satellite data. Pavlof was obscured by cloudy weather in web camera images from the past day. No significant activity has been detected in seismic and infrasound data over the past day. The level of ...
                    Pavlof SisterUNASSIGNEDAlaska Peninsula
                    Behm Canal-Rudyerd BayUNASSIGNEDSoutheast Alaska
                    RecheshnoiUNASSIGNEDAleutians
                    RedoubtNORMALCook Inlet-South CentralAVO detected a series of small repetitive earthquakes near the summit of Redoubt volcano on April 17 - 20 of this week. This swarm was similar in character to those occurring on April 5 - 6, 2010 and in December 2009. As the lava dome and magma in ...
                    RoundtopUNASSIGNEDAleutians
                    SanfordUNASSIGNEDWrangell Volcanic FieldFor the past several days, residents of the Copper River Basin have observed and reported a persistent, white cloud streaming from the summit of Mt. Sanford and extending for up to several tens of miles to the south. The cloud was easily visible in ...
                    SeguamUNASSIGNEDAleutians
                    SegulaUNASSIGNEDAleutians
                    SemisopochnoiUNASSIGNEDAleutiansA decline in seismicity over the last few months and no sign of activity in daily satellite images prompts AVO to downgrade Semisopochnoi volcano from Aviation Color Code YELLOW and Volcanic Alert Level ADVISORY to UNASSIGNED. Following a brief ...
                    SergiefUNASSIGNEDAleutians
                    Black PeakUNASSIGNEDAlaska Peninsula
                    ShishaldinNORMALAleutiansThe status of Shishaldin Volcano was lowered to aviation color code GREEN and volcano alert level NORMAL this week following a steady decrease in detected thermal and seismic activity over the past several months. Low-amplitude seismic tremor ...
                    SnowyNORMALAlaska Peninsula
                    SpurrNORMALCook Inlet-South CentralA possible outburst of water from beneath a glacier on the lower south flank of Mount Spurr was detected beginning about 11:20 AKST on September 11. The flow appears to have been a single event lasting about 20 minutes. Similar and larger duration ...
                    St. MichaelUNASSIGNEDSouthwest Alaska
                    StellerUNASSIGNEDAlaska Peninsula
                    Table Top MtnUNASSIGNEDAleutians
                    TakawanghaNORMALAleutiansThe energetic earthquake swarm on Tanaga Island that began on January 23, 2017, declined significantly this week and seismicity is near background levels. As a result, AVO lowered the Aviation Color Code to GREEN and Alert Level to NORMAL for ...
                    BobrofUNASSIGNEDAleutians
                    TanagaNORMALAleutians
                    Tlevak Strait-Suemez IslandUNASSIGNEDSoutheast Alaska
                    TridentNORMALAlaska Peninsula
                    BogoslofWATCHAleutiansA sequence of seismic events at Bogolsof began to be observed beginning at about 8:00 UTC on August 5 (MIdnight AKDT) and are continuing. Similar sequences have preceded eruptive activity at Bogoslof. In other cases, such activity died down with ...
                    Ugashik-PeulikNORMALAlaska PeninsulaOver the past several weeks seismic instruments at UGASHIK-PEULIK volcano have slowly returned to operation. These instruments are solar powered and have likely returned to operation as a result of increased solar input with the changing season. AVO ...
                    Ukinrek MaarsNORMALAlaska PeninsulaOver the past several weeks seismic instruments at Ukinrek volcano have slowly returned to operation. These instruments are solar powered and have likely returned to operation as a result of increased solar input with the changing season. AVO is now ...
                    UliagaUNASSIGNEDAleutians
                    Unnamed (near Ukinrek Maars)UNASSIGNEDAlaska Peninsula
                    AdagdakUNASSIGNEDAleutians
                    VeniaminofNORMALAlaska PeninsulaAVO downgraded the status of Veniaminof from aviation color code YELLOW to GREEN and from volcano alert level ADVISORY to NORMAL today. Seismic activity, indicative of unrest, at Veniaminof had decreased to background levels during the past two ...
                    Stepovak Bay 2UNASSIGNEDAlaska Peninsula
                    VsevidofUNASSIGNEDAleutians
                    WestdahlNORMALAleutians
                    WrangellUNASSIGNEDWrangell Volcanic FieldAVO can no longer seismically monitor Wrangell volcano because of seismic station outages. As a result, AVO is unable to assess seismic activity at this volcano. As at other volcanoes without real-time seismic networks, AVO will continue to use ...
                    YantarniUNASSIGNEDAlaska Peninsula
                    YunaskaUNASSIGNEDAleutians
                    Bona-ChurchillUNASSIGNEDAlaska
                    BuldirUNASSIGNEDAleutians
                    Buzzard CreekUNASSIGNEDInterior Alaska
                    CarlisleUNASSIGNEDAleutians
                    ChagulakUNASSIGNEDAleutians
                    ChiginagakUNASSIGNEDAlaska Peninsula
                    ClevelandWATCHAleutiansUnrest continues at Cleveland Volcano. Elevated surface temperatures were observed in satellite data from this morning. The summit of Cleveland is obscured by cloudy weather in web camera images. No significant activity observed in seismic ...
                    AkutanNORMALAleutians
                    DanaUNASSIGNEDAlaska Peninsula
                    DavidofUNASSIGNEDAleutians
                    DenisonUNASSIGNEDAlaska Peninsula
                    AmakUNASSIGNEDAlaska Peninsula
                    DouglasUNASSIGNEDAlaska Peninsula
                    Duncan CanalUNASSIGNEDSoutheast Alaska
                    DuttonNORMALAlaska Peninsula
                    EdgecumbeUNASSIGNEDSoutheast Alaska
                    Emmons Lake Volcanic CenterUNASSIGNEDAlaska Peninsula
                    EspenbergUNASSIGNEDSeward Peninsula
                    Alaskan VolcanoesNORMALAlaskaNo eruptive activity or unrest has been detected at volcanoes in Alaska this week.
                    San Francisco Peaks volcanic fieldUNASSIGNEDArizona
                    Uinkaret volcanic fieldUNASSIGNEDArizona
                    Lavic LakeUNASSIGNEDCalifornia
                    Long Valley Volcanic CenterNORMALCaliforniaFifteen earthquakes with magnitudes between M=1.0 and M=1.8 occurred in the Mammoth Lakes-Long Valley region in the last seven days. The events were located in the Sierra Nevada, with the exception of three earthquakes in the caldera east of the ...
                    Mammoth MountainNORMALCalifornia
                    Medicine Lake VolcanoNORMALCalifornia
                    Mono Lake Volcanic FieldNORMALCalifornia
                    Mount ShastaNORMALCalifornia
                    Tumble ButtesUNASSIGNEDCalifornia
                    Twin ButtesUNASSIGNEDCalifornia
                    Ubehebe CratersNORMALCalifornia
                    Big CaveUNASSIGNEDCalifornia
                    Salton ButtesNORMALCalifornia
                    Brushy ButteUNASSIGNEDCalifornia
                    Clear LakeNORMALCalifornia
                    Coso Volcanic FieldNORMALCalifornia
                    Eagle Lake FieldUNASSIGNEDCalifornia
                    Golden Trout CreekUNASSIGNEDCalifornia
                    Inyo CratersNORMALCalifornia
                    Lassen Volcanic CenterNORMALCaliforniaInformation Statement for the November 2-16, 2009, Lassen Peak swarm activity A series of small earthquake swarms beneath the southwest flank of Lassen Peak in Lassen Volcanic National Park that began in the late evening on November 2 continued ...
                    Cascade RangeNORMALCascade RangeActivity Update: All volcanoes in the Cascade Range of Oregon and Washington are at normal background levels of activity. These include Mount Baker, Glacier Peak, Mount Rainier, Mount St. Helens, and Mount Adams in Washington State; and Mount Hood, ...
                    DotseroUNASSIGNEDColorado
                    HaleakalaNORMALHawaiiNo significant changes were detected at Haleakalā during the month of July. One earthquake occurred in the vicinity of the volcano and HVO’s single, continuously recording Global Positioning System (GPS) instrument atop Haleakalā volcano ...
                    HualalaiNORMALHawaiiNo significant changes were detected at Hualālai during the month of July. One earthquake greater than 13 km (8 mi) depth and 2 earthquakes shallower than 13 km (8 mi) depth were recorded in the vicinity of the volcano. A continuously recording ...
                    KilaueaWATCHHawaiiActivity Summary: Kīlauea Volcano continues to erupt at its summit and from the Pu?u ?ō?ō vent on its East Rift Zone. The episode 61g lava flow from Pu?u ?ō?ō continues to enter the ocean at Kamokuna. Surface flows are active above the ...
                    Lo`ihiUNASSIGNEDHawaiiEarthquake activity remained elevated at Lō‘ihi during July with HVO recording 27 earthquakes in the vicinity of the volcano. This is a 75% drop in the total number of Lō‘ihi earthquakes compared to June. Most earthquakes occurred around 12 ...
                    Mauna KeaNORMALHawaiiNo significant deformation or seismicity occurred during the month of July. HVO recorded 10 earthquakes deeper than 13 km (8 mi) and 8 shallow earthquakes beneath the volcano in July. A single, continuously recording Global Positioning System (GPS) ...
                    Mauna LoaADVISORYHawaiiActivity Summary: Mauna Loa Volcano is not erupting. Rates of deformation and seismicity have not changed significantly in the past week, and continue to be above long-term background levels. Observations: Small-magnitude earthquakes continue ...
                    Craters of the Moon volcanic fieldUNASSIGNEDIdaho
                    Hells Half Acre volcanic fieldUNASSIGNEDIdaho
                    Black Butte Crater Volcanic FieldUNASSIGNEDIdaho
                    Wapi Lava FieldUNASSIGNEDIdaho
                    CarrizozoUNASSIGNEDNew Mexico
                    Valles CalderaUNASSIGNEDNew Mexico
                    Zuni-Bandera volcanic fieldUNASSIGNEDNew Mexico
                    AgriganUNASSIGNEDNorthern Mariana IslandsIn a satellite image from January 22, NOAA's Washington Volcanic Ash Advisory Center spotted a possible volcanic plume from Agrigan. Neither USGS nor NOAA have received confirmation of a volcanic source for this anomaly and it is likely the cloud ...
                    PaganUNASSIGNEDNorthern Mariana IslandsSatellite data and ground-based observations from a field crew and local residents indicate that steam and gas emissions from Mount Pagan Volcano have significantly decreased since March 2015. Based on the decrease in visible emissions and the ...
                    RubyUNASSIGNEDNorthern Mariana Islands
                    SariganUNASSIGNEDNorthern Mariana IslandsEquipment failure on 29 December resulted in the loss of seismic data from Sarigan, so we are no longer monitoring the volcano with local data. Repair of monitoring systems will be attempted in late January. No unusual seismicity was observed before ...
                    Supply ReefUNASSIGNEDNorthern Mariana Islands
                    AhyiUNASSIGNEDNorthern Mariana IslandsSeismic activity indicative of submarine eruptions near Ahyi seamount has ended. The last signal from the Ahyi area received on distant seismometers was recorded on May 17. NOAA scientists working in the vicinity of Ahyi on the research vessel ...
                    AlamaganUNASSIGNEDNorthern Mariana Islands
                    AnatahanNORMALNorthern Mariana IslandsEquipment failure on 29 December resulted in the loss of seismic data from Anatahan, so we are no longer monitoring the volcano with local data. Repair of monitoring systems will be attempted in late January. No unusual seismicity was observed ...
                    AsuncionUNASSIGNEDNorthern Mariana Islands
                    Esmeralda BankUNASSIGNEDNorthern Mariana Islands
                    Farallon de PajarosUNASSIGNEDNorthern Mariana Islands
                    GuguanUNASSIGNEDNorthern Mariana Islands
                    Maug IslandsUNASSIGNEDNorthern Mariana Islands
                    Soda LakesUNASSIGNEDNevada
                    Belknap Shield VolcanoUNASSIGNEDOregon
                    Jordan CratersUNASSIGNEDOregon
                    Mount BachelorUNASSIGNEDOregon
                    Mount HoodNORMALOregon
                    Mount JeffersonNORMALOregon
                    NewberryNORMALOregonRECENTLY INSTALLED MONITORING NETWORK AT NEWBERRY VOLCANO, OREGON, NOW FULLY OPERATIONAL During August 2011, scientists and volunteers from the USGS Cascades Volcano Observatory (CVO) installed eight new real-time seismic and deformation (GPS) ...
                    Sand Mountain FieldUNASSIGNEDOregon
                    South SisterNORMALOregon
                    Lava MountainUNASSIGNEDOregon
                    Blue Lake CraterUNASSIGNEDOregon
                    Cinnamon ButteUNASSIGNEDOregon
                    Crater LakeNORMALOregon
                    Davis LakeUNASSIGNEDOregon
                    Devils GardenUNASSIGNEDOregon
                    Diamond CratersUNASSIGNEDOregon
                    Four Craters Lava FieldUNASSIGNEDOregon
                    Bald Knoll volcanic fieldUNASSIGNEDUtah
                    Black Rock Desert volcanic fieldUNASSIGNEDUtah
                    Markagunt Plateau volcanic fieldUNASSIGNEDUtah
                    Santa Clara volcanic fieldUNASSIGNEDUtah
                    Mount AdamsNORMALWashington
                    Mount BakerNORMALWashington
                    Glacier PeakNORMALWashington
                    Mount St. HelensNORMALWashingtonPosted via the USGS Volcano Notification Service (VNS) http://volcanoes.usgs.gov/vns/ Analysis of current behavior at Mount St. Helens indicates that the volcano remains active and is showing signs of long-term uplift and earthquake activity, ...
                    Indian HeavenUNASSIGNEDWashington
                    Mount RainierNORMALWashington
                    West CraterUNASSIGNEDWashington
                    YellowstoneNORMALWyomingSeismicity During July 2017, the University of Utah Seismograph Stations, responsible for the operation and analysis of the Yellowstone Seismic Network, reports 528 earthquakes were located in the Yellowstone National Park (YNP) region. The ...
                    Folsoms BluffUNASSIGNEDAlaska
                    Amchixtam ChaxsxiiUNASSIGNEDAleutians
                    Gas Rocks, theUNASSIGNEDAlaska Peninsula
                    GilbertUNASSIGNEDAleutians
                    Andrew Bay volcanoUNASSIGNEDAleutians
                    Ingrisarak MtnUNASSIGNEDSouthwest Alaska
                    Iron Trig coneUNASSIGNEDAlaska
                    Iskut-Unuk River conesUNASSIGNEDSoutheast Alaska
                    JarvisUNASSIGNEDWrangell Volcanic Field
                    Jumbo DomeUNASSIGNEDInterior Alaska
                    KejulikUNASSIGNEDAlaska Peninsula
                    Klawasi GroupUNASSIGNEDWrangell Volcanic Field
                    Knob 1000UNASSIGNEDAlaska
                    Kochilagok HillUNASSIGNEDSouthwest Alaska
                    AtkaUNASSIGNEDAleutians
                    Koyuk-Buckland volcanicsUNASSIGNEDSeward Peninsula
                    Lost Jim ConeUNASSIGNEDSeward Peninsula
                    MorzhovoiUNASSIGNEDAlaska Peninsula
                    Nelson IslandUNASSIGNEDSouthwest Alaska
                    Nushkolik Mountain volcanic fieldUNASSIGNEDSouthwest Alaska
                    Basalt of Gertrude CreekUNASSIGNEDAlaska
                    Prindle VolcanoUNASSIGNEDInterior Alaska
                    Rainbow River coneUNASSIGNEDAlaska
                    Skookum CreekUNASSIGNEDWrangell Volcanic Field
                    St. George volcanic fieldUNASSIGNEDBering Sea
                    St. Paul IslandUNASSIGNEDBering Sea
                    Blue MtnUNASSIGNEDAlaska Peninsula
                    Suemez IslandUNASSIGNEDSoutheast Alaska
                    TanaUNASSIGNEDAleutians
                    Tanada PeakUNASSIGNEDWrangell Volcanic Field
                    Togiak volcanicsUNASSIGNEDSouthwest Alaska
                    Trader MtnUNASSIGNEDAlaska Peninsula
                    Ungulungwak Hill-Ingrichuak HillUNASSIGNEDSouthwest Alaska
                    Stepovak Bay 1UNASSIGNEDAlaska Peninsula
                    Stepovak Bay 3UNASSIGNEDAlaska Peninsula
                    Stepovak Bay 4UNASSIGNEDAlaska Peninsula
                    Wide Bay coneUNASSIGNEDAleutians
                    Lone basaltUNASSIGNEDAlaska Peninsula
                    Unimak 5270UNASSIGNEDAleutians
                    Monogenetic QT vents of WWVFUNASSIGNEDWrangell Volcanic Field
                    Ingenstrem Depression Volcanic FieldUNASSIGNEDAlaska
                    Western ConesUNASSIGNEDAleutians
                    CapitalUNASSIGNEDWrangell Volcanic Field
                    Churchill, MtUNASSIGNEDWrangell Volcanic Field
                    Cone 3110UNASSIGNEDAlaska
                    Cone 3601UNASSIGNEDAlaska
                    AlagogshakUNASSIGNEDAlaska Peninsula
                    Devils DeskUNASSIGNEDAlaska Peninsula
                    Double GlacierUNASSIGNEDCook Inlet-South Central
                    DrumUNASSIGNEDWrangell Volcanic Field
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