Articles tagged "mount hood"

mt hood earthquake swarm june 5 and 6 2021 f2

Earthquake swarm under Mount Hood volcano, Oregon

The Cascades Volcano Observatory (CVO) has detected an earthquake swarm in the Mount Hood area, Oregon on June 5, 2021. The swarm continued into June 6 when the activity started to quiet down. The last known eruption of this volcano took place in 1865 and 1866 (VEI...

June 06, 2021


Mount Hood earthquake swarm tectonic in nature, US

A swarm of small earthquakes was detected at Mount Hood on May 15 and 16, 2016. The quakes were located 3.2 - 4.8 km (2 - 3 miles) south of the summit of Mount Hood at depths of 3.2 - 4.8 km below sea level. The largest event was a magnitude 1.8. Earthquake rates...

May 17, 2016


Volcanoes, including Mt. Hood, can go from dormant to active quickly

A new study suggests that the magma sitting 4-5 kilometers beneath the surface of Oregon's Mount Hood has been stored in near-solid conditions for thousands of years, but that the time it takes to liquefy and potentially erupt is surprisingly short – perhaps

February 17, 2014