Volcano Reports

CVO Cascade Range GREEN/NORMAL - All volcanoes are at normal levels.

USGS Volcano Current Alerts - 2 hours 23 min ago
Mar 22, 2019 17:15 - Activity 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, Mount Jefferson, Three Sisters, Newberry, and Crater Lake in Oregon. Recent Observations: Monitoring systems show that activity at Cascade Range volcanoes remained at background levels throughout the week.
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Thu, 03/21/2019 - 20:31
Mar 21, 2019 21:41 - Cleveland remains restless. No eruptive activity was observed over the past day in cloudy satellite images. No activity was detected in regional geophysical data. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but are less likely and occur less frequently. Local seismic and infrasound data at ...
Categories: Volcano Reports

AVO Veniaminof YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Thu, 03/21/2019 - 20:31
Mar 21, 2019 21:41 - Veniaminof remains restless. Weak, low-level seismicity continues. No volcanic activity was observed in cloudy satellite images over the past day. It remains possible for eruptive activity consisting of lava effusion, ash emissions or both to resume at any time without significant precursory seismic events. Veniaminof volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to a more significant explosive eruption. AVO combines seismic, infrasound, lightning, and satellite data for rapid ...
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Wed, 03/20/2019 - 15:32
Mar 20, 2019 19:46 - Cleveland remains restless. No eruptive activity was observed over the past day in cloudy satellite images or detected in regional geophysical data. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but are less likely and occur less frequently. Local seismic and infrasound data at Cleveland have been ...
Categories: Volcano Reports

AVO Veniaminof YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Wed, 03/20/2019 - 15:32
Mar 20, 2019 19:46 - Veniaminof remains restless. Weak, low-level seismicity continues. No volcanic activity was observed in cloudy satellite images over the past day. It remains possible for eruptive activity consisting of lava effusion, ash emissions or both to resume at any time without significant precursory seismic events. Veniaminof volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to a more significant explosive eruption. AVO combines seismic, infrasound, lightning, and satellite data for rapid ...
Categories: Volcano Reports

HVO Kilauea YELLOW/ADVISORY - Low activity levels; no lava at the surface, low gas emission rates.

USGS Volcano Current Alerts - Tue, 03/19/2019 - 19:32
Mar 19, 2019 22:56 - Activity Summary: Kīlauea Volcano is not erupting. Rates of seismicity, deformation, and gas emissions have not changed significantly over the past week. Observations: This past week saw no significant change in volcanic activity. Low rates of seismicity continue across the volcano, with earthquakes occurring primarily in the summit and south flank regions. GPS stations and tiltmeters continue to show motions consistent with refilling of the deep East Rift Zone magma reservoir. Sulfur dioxide emission rates from the summit and from Puʻu ʻŌʻō remain low. These ...
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Tue, 03/19/2019 - 19:32
Mar 19, 2019 20:57 - Cleveland remains restless. No eruptive activity was observed over the past day in cloudy satellite images or detected in regional geophysical data. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but are less likely and occur less frequently. Local seismic and infrasound data at Cleveland have been ...
Categories: Volcano Reports

AVO Veniaminof YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Tue, 03/19/2019 - 19:32
Mar 19, 2019 20:57 - Veniaminof remains restless. Weak, low-level seismicity continues, and elevated surface temperatures associated with cooling lava were observed in satellite images over the past day. It remains possible for eruptive activity consisting of lava effusion, ash emissions or both to resume at any time without significant precursory seismic events. Veniaminof volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to a more significant explosive eruption. AVO combines seismic, infrasound, ...
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Mon, 03/18/2019 - 16:32
Mar 18, 2019 20:19 - Cleveland remains restless. No eruptive activity was observed over the past day in clear satellite images or detected in regional geophysical data. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but are less likely and occur less frequently. Local seismic and infrasound data at Cleveland have been ...
Categories: Volcano Reports

AVO Veniaminof YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Mon, 03/18/2019 - 16:32
Mar 18, 2019 20:19 - Veniaminof remains restless. No eruptive activity was observed in satellite and web camera images over the past day. Weak, low-level seismicity continues. It remains possible for eruptive activity consisting of lava effusion, ash emissions or both to resume at any time without significant precursory seismic events. Veniaminof volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to a more significant explosive eruption. AVO combines seismic, infrasound, lightning, and satellite data for ...
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Sun, 03/17/2019 - 15:32
Mar 17, 2019 19:16 - Cleveland remains restless. No eruptive activity was observed over the past day in cloudy satellite images or detected in regional geophysical data. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but are less likely and occur less frequently. Local seismic and infrasound data at Cleveland have been ...
Categories: Volcano Reports

AVO Veniaminof YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Sun, 03/17/2019 - 15:32
Mar 17, 2019 19:16 - Veniaminof remains restless. No eruptive activity was observed in satellite and web camera images over the past day. Cooling lava flows from last fall were visible as weakly elevated surface temperatures in satellite data. Weak, low-level seismicity continues. It remains possible for eruptive activity consisting of lava effusion, ash emissions or both to resume at any time without significant precursory seismic events. Veniaminof volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to ...
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Sat, 03/16/2019 - 14:32
Mar 16, 2019 19:03 - Cleveland remains restless. No eruptive activity was observed over the past day in cloudy satellite images or detected in regional geophysical data. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but are less likely and occur less frequently. Local seismic and infrasound data at Cleveland have been ...
Categories: Volcano Reports

AVO Veniaminof YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Sat, 03/16/2019 - 14:32
Mar 16, 2019 19:03 - Veniaminof remains restless. No eruptive activity was observed in satellite and web camera images over the past day. Cooling lava flows from last fall were visible as weakly elevated surface temperatures in satellite data. Weak, low-level seismicity continues. It remains possible for eruptive activity consisting of lava effusion, ash emissions or both to resume at any time without significant precursory seismic events. Veniaminof volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to ...
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Unrest continues. No eruptive activity detected over the past week.

USGS Volcano Current Alerts - Fri, 03/15/2019 - 18:32
Mar 15, 2019 20:55 - No eruptive activity was detected in regional seismic or infrasound data over the past week. Slightly elevated temperatures were observed at the summit in some satellite images and is consistent with background degassing at the vent and does not indicate renewed lava dome growth. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. The most recent explosion of Cleveland occurred on January 9, 2019. These explosions are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. ...
Categories: Volcano Reports

AVO Veniaminof YELLOW/ADVISORY - No evidence of eruptive activity; very low-level seismic unrest continues.

USGS Volcano Current Alerts - Fri, 03/15/2019 - 18:32
Mar 15, 2019 20:55 - Slightly elevated surface temperatures consistent with cooling lava flows were observed several times this week during periods of clear weather. Low-level seismicity characterized by weak seismic tremor occurred throughout the past week. The level of unrest observed over the past several weeks indicates that eruptive activity has paused or stopped. Pauses in eruptive activity are common at Veniaminof. Lava effusion, ash emissions, or both could resume at any time without significant associated seismicity. Veniaminof volcano is monitored with a local real-time seismic ...
Categories: Volcano Reports

CVO Cascade Range GREEN/NORMAL - All volcanoes are at normal levels.

USGS Volcano Current Alerts - Fri, 03/15/2019 - 14:32
Mar 15, 2019 18:31 - Activity 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, Mount Jefferson, Three Sisters, Newberry, and Crater Lake in Oregon. Recent Observations: Monitoring systems show that activity at the Cascade Range volcanoes of Washington and Oregon remained at background levels throughout the week. On March 11, around 7 p.m. local time, there was a magnitude 1.1 (M 1.1) earthquake ...
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Thu, 03/14/2019 - 16:32
Mar 14, 2019 20:48 - Cleveland remains restless. No eruptive activity was observed over the past day in satellite images or detected in regional geophysical data. Minor thermal anomalies were detected at the summit in satellite images consistent with degassing at the vent. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but ...
Categories: Volcano Reports

AVO Veniaminof YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Thu, 03/14/2019 - 16:32
Mar 14, 2019 20:48 - Veniaminof remains restless. No eruptive activity was observed in cloudy satellite and web camera images over the past day. Weak, low-level seismicity continues. It remains possible for eruptive activity consisting of lava effusion, ash emissions or both to resume at any time without significant precursory seismic events. Veniaminof volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to a more significant explosive eruption. AVO combines seismic, infrasound, lightning, and satellite ...
Categories: Volcano Reports

AVO Cleveland YELLOW/ADVISORY - Volcano remains restless. No eruptive activity observed.

USGS Volcano Current Alerts - Thu, 03/14/2019 - 01:33
Mar 13, 2019 19:45 - Cleveland remains restless. No eruptive activity was observed over the past day in cloudy satellite images or detected in regional geophysical data. Additional episodes of lava effusion and explosions are likely and will occur without advance warning. Explosions from Cleveland are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but are less likely and occur less frequently. Local seismic and infrasound data at Cleveland have been ...
Categories: Volcano Reports

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