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…
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…
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
