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2 Feet Tsunami Observed after an Earthquake of Magnitude 7.5 in Alaska; Tsunami Warnings are Cancelled

 An earthquake of magnitude 7.5  near Sand Point, Alaska, generated a tsunami, Scott Langley with the National Tsunami Warning Center said Monday afternoon.  The warning was cancelled after about three hours, but communities had evacuated to higher ground during the chaos.

The tsunami sent two waves, each measuring 130 centimeters (4 feet, 3 inches) high. But observers onshore reported the waves appeared to be 1.5 feet (45.7 centimeters) and 2 feet (61 cm) over high tide, Langley said.

The size of the quake was originally reported to have been a magnitude of 7.4, but was revised to a 7.5, said Paul Caruso, a geophysicist with the US Geological Survey. He said an earthquake of this size, in this area, is not a surprise.

Tsunami advisories had issued for parts of Alaska and the state of Hawaii following the earthquake were canceled Monday night, according to tweets from the National Weather Service Pacific Tsunami Warning Center (NWS PTWC).

The center is monitoring harbors in a 500-mile area along the Alaska coastline, he said.

Langley said earlier the area in Alaska that had been subject to the warning and advisory is "pretty remote."

"For other US and Canadian Pacific coasts in North America, there is no tsunami threat," the center said.

The earthquake's epicenter was recorded less than 60 miles from Sand Point, near the Aleutian Peninsula in the southwestern part of the state.

"We expect we will have another one in about half an hour," noted Osterback. "We're right on the fault line. I grew up here and it's kind of normal."

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