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California quake downgraded to magnitude-6.8

By Star-Advertiser staff

POSTED:
LAST UPDATED: 10:59 a.m. HST, Mar 10, 2014


EUREKA, Calif. >>  An earthquake that struck offshore and rattled the Northern California coast has been downgraded to a magnitude-6.8 Monday.

The quake about 50 miles west of Eureka on Sunday night was initially reported as a magnitude-6.9. It was felt widely across the region and across the Oregon border, but there were no reports of injuries or damage.

The quake had produced 20 aftershocks of magnitude-3.5 or larger by late Monday morning, and more were expected over the coming days.

Sunday's quake was felt widely across the region, but both fire and sheriff's officials in Humboldt County said they had no reports of any damage or injuries. Humboldt County includes most of the populated areas closest to the epicenter.

"Everybody felt it region-wide to the point that there was concern for damage," said Humboldt County Sheriff's Lt. Steve Knight. But other than triggering some home alarms, the county escaped unharmed, he said. "We're very grateful."

There was no tsunami danger for the region as well, according to the National Tsunami Warning Center. The Pacific Tsunami Warning Center also confirmed that the quake posed no tsunami threat to Hawaii.

More than 3,000 people reported on the USGS website that they felt the quake within hours of it striking, including some across the border in Oregon.

"It was a big bump and then it rolled for about 30 seconds," said Diana Harralson, 64, who lives in an apartment in Rio Dell, about 55 miles southeast of the earthquake's epicenter. "It was a real good shaker."

Harralson said some knickknacks fell off the wall, but there was no damage. A California native who has experienced other earthquakes, she said she and her cat slept comfortably through the night.

Amandip Heer, a manager at a 76 Gas Station and convenience store in Eureka, described the quake as a "vibration," but said nothing fell off the shelves at the store, and there was no other damage.

Earthquakes are very common in Eureka, a city of about 27,000 people about 270 miles northwest of San Francisco and 100 miles south of the Oregon state line. Nearby Arcata is home to about 17,000 people and Humboldt State University.

Since 1980, there have been 10 earthquakes greater than magnitude-6 in the area, Knudsen said. California has experienced at least seven earthquakes of magnitude-6.9 over the same period, according to the USGS.

Sunday's quake was far enough from shore to allow much of its energy to dissipate, Knudsen said.

"We're fortunate it didn't strike closer to a populated area," he said.

An offshore earthquake of magnitude-7.2 about 30 miles southwest of Eureka in 1992 left 95 people injured and caused tens of millions of dollars in damage, according to the USGS. The earthquake was felt as far south as San Francisco.

It was followed by a magnitude-6.5 earthquake about 12 hours later and a magnitude-6.7 earthquake a few hours after that, both of which caused additional damage.







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HonoluluHawaii wrote:
Great. I got a notification from USA Today, not from HSA. You guys must be so busy in there, watching the breaking news 24/7.
on March 9,2014 | 08:47PM
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