Cascades Range Volcanoes , United – States : Small earthquakes occurred at Mount St. Helens and Mount Rainier.

Cascades Range Volcanoes , United – States : Small earthquakes occurred at Mount St. Helens and Mount Rainier.

Activity Update: All volcanoes in the Cascade Range of Oregon and Washington are at normal background levels of seismicity. 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,…

Yellowstone , United-States : Yellowstone earthquake activity in June is at low background levels.

Yellowstone , United-States : Yellowstone earthquake activity in June is at low background levels.

Seismicity: During June 2016, the University of Utah Seismograph Stations, responsible for the operation and analysis of the Yellowstone Seismic Network, reports 70 earthquakes were located in the Yellowstone National Park (YNP) region. The largest event was a micro earthquake of magnitude 2.9 on…

Yellowstone , United -States : Yellowstone earthquake activity in May is at low background levels.

Yellowstone , United -States : Yellowstone earthquake activity in May is at low background levels.

Seismicity During May 2016, the University of Utah Seismograph Stations, responsible for the operation and analysis of the Yellowstone Seismic Network, reports 72 earthquakes were located in the Yellowstone National Park (YNP) region. The largest event was a micro earthquake of magnitude 2.5 on…

Cascade Range , United States : All volcanoes in the Cascade Range of Oregon and Washington are at normal background levels of seismicity.

Cascade Range , United States : All volcanoes in the Cascade Range of Oregon and Washington are at normal background levels of seismicity.

Activity Update: All volcanoes in the Cascade Range of Oregon and Washington are at normal background levels of seismicity. 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,…

Mont Hood , United States : Recent Mount Hood earthquake swarm is typical for Oregon volcano.

Mont Hood , United States : Recent Mount Hood earthquake swarm is typical for Oregon volcano.

  Recent Mount Hood earthquake swarm is typical for Oregon volcano. May 16, 2016 At Mount Hood, a swarm of small earthquakes was detected May 15-16, 2016. Swarms are not uncommon in the Mount Hood area, which typically experiences one or two swarms per…

Mount St Helens , United States : Small magnitude earthquake swarm continues at Mount St. Helens.

Mount St Helens , United States : Small magnitude earthquake swarm continues at Mount St. Helens.

  Small magnitude earthquake swarm continues at Mount St. Helens. Beginning March 14, 2016, a number of small magnitude earthquakes have occurred beneath Mount St. Helens, at a depth between 2 and 7 km (1.2 to 4 miles). Over the last 8 weeks, there…

Yellowstone , United States : Current deformation patterns at Yellowstone remain within historical norms.

Yellowstone , United States : Current deformation patterns at Yellowstone remain within historical norms.

Seismicity During April 2016, the University of Utah Seismograph Stations, responsible for the operation and analysis of the Yellowstone Seismic Network, reports 53 earthquakes were located in the Yellowstone National Park (YNP) region. The largest event was a micro earthquake of magnitude 2.0 on…

Cascades Range , United States : small earthquakes continued under Mount Rainier and Mount St. Helens,

Cascades Range , United States :  small earthquakes continued under Mount Rainier and Mount St. Helens,

Current Volcano Alert Level: NORMAL Current Aviation Color Code: GREEN Activity Update: All volcanoes in the Cascade Range of Oregon and Washington are at normal background levels of seismicity. These include Mount Baker, Glacier Peak, Mount Rainier, Mount St. Helens, and Mount Adams in…

Yellowstone , United – States : Clarification .

Yellowstone , United – States : Clarification .

In response to some press reports, here’s a clarification. The only reliable data are those from the volcano observatories. For the United States, you can visit: The USGS site of AVO: Alaska Volcano Observatory (Cleveland Volcano, Shishaldin, etc ..) The site of the USGS…

California Volcanoes , United – States : normal levels of background seismicity and deformation.

California Volcanoes , United – States : normal levels of background seismicity and deformation.

Current Volcano Alert Level: all NORMAL Current Aviation Color Code: all GREEN Activity Update: All volcanoes monitored by CalVO using telemetered, real-time sensor networks exhibit normal levels of background seismicity and deformation. Volcanoes monitored include Mount Shasta, Medicine Lake Volcano, Clear Lake Volcanic Field,…