With 2 More Quakes Off Of Coast, The Total Reaches 9

By Jim McCoy Thu 4th June Newsearthquakes

The tally of earthquakes off the Oregon coast in the past week has reached nine.

The Oregonian reports ( ) quakes of magnitude 3.1 and 4.0 were reported Wednesday in a region about 300 miles west of Salem that's known for shallow earthquakes that pose little risk of tsunamis.

They were among the weaker of the earthquakes that started late SundaRead More »

Testing Underway for Early Earthquake Detection System

By Jim McCoy Wed 11th February Newsearthquakes
The Pacific Northwest Seismic Network is starting to test an earthquake early warning system. Director John Vidale at the University of Washington says it might provide an alert of less than a minute.Read More »

"Eerie Quiet" Along NW Fault Where "Big One" May Shake

By Jim McCoy Wed 3rd December NewsCascadia Subduction Zoneearthquakes
Seismic experts say it's been ominously quiet along the fault line off the Northwest coast where the "big one" earthquake could break loose. Seismometers have detected little grinding and slipping in recent years on the Cascadia Subduction Zone. University of Oregon Geophysics Professor Doug Toomey tells Northwest Public Radio ( ) that could indicate the tecRead More »

Earthquake Swarm Near Lakeview Increasingly Active, Scientists Say

By Jim McCoy Thu 6th November Newsearthquakes
Scientists are taking note of an intense earthquake swarm occurring in northwest Nevada. The swarm, located 40 miles southeast of Lakeview, has been ongoing since mid-July. A magnitude 4.6 quake was detected Tuesday night, followed by magnitude 3-plus events on Wednesday. 3 quakes of magnitude 4 or greater have been occurred since October 30th.Read More »

Panel to State: Spend $100 Million For Seismic Upgrades

By Jim McCoy Tue 30th September NewsearthquakesState of Oregon
A panel of experts is recommending that Oregon spend at least $100 million a year to prepare schools and emergency buildings for a Cascadia Subduction Zone earthquake. The recommendation is among nearly two dozen sent to state lawmakers on Tuesday.Read More »

Two Small Earthquakes Shake Western Oregon

By Jim McCoy Wed 24th September Newsearthquakes
Two small earthquakes were reported Wednesday in western Oregon, and there were no immediate reports of damage or injury. The Oregonian reported ) the first was of magnitude 2.8. It happened at 4:59 a.m. 6 miles northeast of Siletz in the Coast Range at a depth of 33 miles. The second was of magnitude 2.7 and was reported at 8:17 a.m.Read More »

Oregon Senate President Wants Money To Make Schools Quake Proof

By Jim McCoy Tue 19th August NewsearthquakesschoolsSen. Peter Courtney
Oregon Senate President Peter Courtney says the state should take on $200 million in debt to help prepare school buildings for a devastating earthquake that scientists say could come at any time. An analysis of Oregon's school buildings found that more than 1,000 were at a high or very high risk of collapsing in a major quake. Courtney, a Salem Democrat, has long advocated improRead More »

Risk Of Earthquake Rises In Half Of US, Including Oregon

By Jim McCoy Thu 17th July Newsearthquakes
A new federal earthquake map dials up the shaking hazard just a bit for about half of the United States and lowers it for nearly a quarter of the nation. The U.S.Read More »

Geologists Studying Wave Of Mt. Hood Tremors

By Jim McCoy Tue 8th April NewsearthquakesMt. Hood
A series of tremors near Mount Hood has intrigued scientists, who note that the quakes are taking place alongside a recently-discovered fault. KGW-TV reports ( a swarm of small earthquakes on Mount Hood has captured the attention of state geologists and rattled the nerves of some nearby residents, especially after a 3.3-magnitude quake in Sherwood on Sunday.Read More »

Earthquake Felt in Oregon, Washington

By Jim McCoy Mon 19th November Newsearthquakes
A minor earthquake with a 3.1 magnitude was recorded at Monday morning in the Portland region. The Pacific Northwest Seismic Network reports the quake at 6:15 a.m.Read More »


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