Magnitude 5.7 quake hits Hawaii's Mauna Loa volcano

A magnitude 5.7 earthquake struck the world's largest active volcano on Friday Mauna Loa on the Big Island of Hawaii-knocking items off shelves and cutting power in a nearby town, but not immediately prompting reports of serious damage.

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The earthquake, which didn't cause a tsunami and which the US Geological Survey initially reported as magnitude 6.3, was centered on Mauna Loa's southern flank at a depth of 37 kilometers, two kilometers southwest of Pahala.

"It shook us bad to where it wobbled some knees a little bit," said Derek Nelson, the manager of the Kona Canoe Club restaurant in the oceanside community of Kona, on the island's western side. "It shook all the windows in the village."