Cascades Volcano Observatory

News

Filter Total Items: 122
Date published: April 19, 2013

Earthquakes at Newberry Volcano, April 14-18, 2013

None of these events would have been detected prior to installation of the Newberry monitoring network.

Date published: April 12, 2013

Earthquakes at Newberry Volcano, April 08-12, 2013.

The April 11, 2013, event is the first low-frequency event ever recorded in the Newberry area.

Date published: September 13, 2012

Magnitude 2.4 earthquake beneath summit of Mount Rainier at 8:45 am on September 13, 2012.

The location and depth of the the September 13, 2012 M 2.4 are entirely consistent with past Rainier earthquakes, and such events are considered by CVO and the PNSN be part of the background “normal” level of activity at Mount Rainier.

Date published: August 19, 2012

Small seismic swarm at Mount Hood, August 18, 2012.

Such small swarms are not uncommon at Hood, with the most recent occurring December 11, 2011, and are considered by CVO and the PNSN to be part of the background “normal” level of activity at Hood.

Date published: May 18, 2012

Small earthquakes at Newberry Volcano, May 18 2012.

The three May 18 earthquakes would not have been detected prior to last summer, when the Newberry seismic network was expanded from 1 to 9 stations.

Date published: April 9, 2012

April 8, 2012, earthquake swarm ~20 km south of Mount Hood

The swarm is consistent with a tectonic, rather than magmatic, origin.

Date published: March 9, 2012

Earthquake swarm at Mount Hood

Starting at approximately 22:00 pm PST on March 7, 2012, a small swarm of earthquakes has been occurring near Mount Hood.

Date published: March 7, 2012

Monitoring network at Newberry Volcano, Oregon, now fully operational.

Prior to 2011, only a single seismometer operated by the PNSN was in place on the flanks of the volcano. 

Date published: February 24, 2012

Earthquakes at Mount Hood, February 2012.

Typically, several earthquake swarms occur each year at Mount Hood, with some lasting for hours, others lasting for days to weeks.

Date published: September 13, 2011

Revised Dates—Scientists to Conduct Aerial Survey of Groundwater Within Mount St. Helens

Note: This news release modifies the dates in the news release of August 31, 2011. 

VANCOUVER, Wash. — Climbers and hikers on the cone of Mount St. Helens should not be alarmed to witness a low-flying helicopter with trailing equipment making repeated passes over the area this week. The project will largely be conducted over remote terrain in the crater and on the flanks of the volcano. 

Date published: August 31, 2011

Scientists to Conduct Aerial Survey of Groundwater Within Mount St. Helens

Climbers and hikers on the cone of Mount St. Helens should not be alarmed to witness a low-flying helicopter with trailing equipment making repeated passes over the area this week. The project will largely be conducted over remote terrain in the crater and on the flanks of the volcano. 

Date published: August 19, 2011

Media Advisory: Newberry Volcano Instrument Installation Demo

Scientists from the U.S. Geological Survey’s Cascades Volcano Observatory are installing eight new monitoring stations this week on Newberry Volcano in central Oregon’s Deschutes National Forest.