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Alaska Has 2nd Quake in 2 Days

June 19, 1986

WASHINGTON (AP) _ Alaska’s second strong earthquake in two days rumbled through the Kodiak Islands today.

Scientists at the U.S. Geological Survey’s Earthquake Center in Golden, Colo., put the magnitude of the tremor at 5.8 on the Richter scale, slightly less than Tuesday’s magnitude 6.3 quake in the Aleutian Islands.

Today’s shock, at 1:09 a.m. Yukon Daylight Time (5:09 a.m. EDT), had not generated any known reports of damage, geological survey spokeswoman Gail Wendt said.

She said the quake, which occurred in the same general area as a magnitude 5.1 tremor on April 3, was centered about 100 miles south of Kodiak.

No damage or injuries were reported from Tuesday’s quake.

The Richter scale is a measure of ground motion. Every increase of one number means a tenfold increase in magnitude.

An earthquake of 3.5 on the Richter scale can cause slight damage in a local area, 4 can cause moderate damage, 5 considerable damage, 6 severe damage. A 7 reading is a ″major″ quake, capable of widespread heavy damage; 8 is a ″great″ quake, capable of tremendous damage.

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