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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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