Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 6.0 Earthquake on Hawaiʻi Island (5.22.26) PC: USGS More than 7,

Officials with Hawaiʻi County and Hawaiian Volcano Observatory report that some light to moderate damage could be possible from the magnitude-6.0 earthquake that struck the west flank of Mauna Loa volcano on the Big Island shortly before 10 p.m. on Friday, May 22.

A major Hayward fault quake could shake some Bay Area communities harder than expected because of the ground beneath them, new federal simulations show.

Most experts agree, a major earthquake will hit the Pacific Northwest at some point. In fact, according to Oregon State University Professor Dr. Chris Goldfinger, there is a 33% chance of a major Cascadia Subduction Zone quake happening in the next 50 years.

Hawaiian Electric reported in a 5 p.m. Saturday, May 23, update that power has been restored to the remaining customers in South Kona who lost electricity after a strong magnitude-6.0 earthquake struck Friday night,

KAHALUU-KEAUHOU, Hawaii — A magnitude-4.6 earthquake shook the Kona Coast on Hawaii’s Big Island at 5:58 p.m. local time on Monday, according to the USGS. The epicenter was a little more than 3.5 miles offshore of the community of Kahaluu-Keauhou and 21 miles below sea level.

To see how a magnitude-9.0 earthquake would rattle the Pacific Northwest, researchers ran 50 virtual simulations on a supercomputer.