Another Earthquake Shakes Washington State and B.C. Canada

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-Pastor-Dale-Morgan-

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Nov 25, 2011, 10:37:56 PM11/25/11
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Great Earthquakes In Diverse Places

Another Earthquake Shakes Washington State and B.C. Canada


Posted on 25 November 2011 by admin

Residents of Osoyoos had a rude wake-up call Friday morning as a small earthquake in Washington State was felt throughout the Okanagan Valley.

“It was felt widely throughout the Okanagan Valley in particular, from Kelowna, Penticton, even some reports from Maple Ridge and Kamloops, so over quite a wide area,” said John Cassidy, earthquake scientist with Natural Resources Canada.

The earthquake struck around 5 a.m. and measured a 4.3 on the Richter scale according to the Canadian Earthquake Centre’s monitoring station in Penticton. The quake was centred roughly 10 kilometres north of Omak, Washington, near Riverside (roughly 65 kilometres south of Osoyoos).

According to Cassidy, earthquakes felt in the Okanagan Valley are actually quite rare, with less than a half-dozen reports in a typical year. Not only are they relatively rare, but they are also usually quite weak.

“The earthquakes that we’ve seen over the past number of years have been magnitude two, three or perhaps four, so earthquakes are felt, but not causing damage,” said Cassidy. “So the Okanagan in general is a relatively low seismic-hazard region.”

The largest earthquake ever recorded in the interior of British Columbia was in 1932 and was centred just outside of Vernon. It measured a 4.5 on the Richter scale. Cassidy said most quakes felt throughout the province’s interior are usually situated someplace else. For example, this September an earthquake off the west coast of Vancouver Island measured at 6.3 was felt throughout the interior, particularly in Penticton and Kelowna. However, earthquakes are sometimes centred right in the valley, with the most recent being a small earthquake that struck near Princeton on May 18.

Cassidy said the most important thing you can do when it comes to an earthquake is be aware of the proper safety techniques.

General safety tips include: getting under a desk or table when shaking begins, if you’re outside, stay outside, or if you’re inside, stay inside.

Cassidy said one of the worst things someone can do is try to escape from a building while an earthquake is happening, because most of the time people are injured by falling debris; especially near entryways.

“We’ve seen earthquakes around the world that if people know what to do when shaking begins, how to protect themselves, that really helps,” said Cassidy.

Cassidy also recommends anyone who felt Friday’s earthquake log onto www.earthquakecanada.ca and fill out an earthquake questionnaire, which helps them plan for future seismic events.

Around Osoyoos, a number of people said they were shaken awake by Friday’s quake, but there were no reports of damage or injury.
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