10 September 2011

Magnitude-6.4 Quake Strikes Off of Vancouver

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VANCOUVER, British Columbia (AP) — A magnitude-6.4 earthquake struck Friday off the coast of British Columbia, the U.S. Geological Survey said.

The quake struck 12:41 p.m. PDT (1941 GMT) at a depth of 14.3 miles (23 kilometers) about 173 miles (279 kilometers) west of Vancouver, the USGS said. The quake was initially reported to have a magnitude of 6.7 but was later downgraded by the USGS.

The quake’s epicenter just off the west coast of Vancouver Island, south of Port Hardy.

Stephen Halchuck, a seismologist with Natural Resources Canada, said the quake lasted for 20-30 seconds and rattled buildings across Vancouver Island and the southwest portion of British Columbia. He said there has been no immediate reports of damage in the region.

According to the West Coast and Alaska Tsunami Warning Center no tsunami was expected.

“This event was not the type to generate a tsunami. It’s size was not large enough and the mechanism of the earthquake would not have generated a significant tsunami,” said Halchuck.

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