An earthquake with a magnitude of 7.8 has rocked Wednesday, the peninsula of Alaska, causing a brief tsunami warning in the area located within a radius of 300 kilometres of the epicenter.
The sirens sounded as the residents of this american State have been invited to win a inland or took refuge in high areas, according to media reports.
The earthquake occurred at 6: 12 a.m. (local time) at approximately 800 km south-west of Anchorage, and about 90 km south-east of the town of Perryville, said the american center of geological USGS.
“On the basis of the preliminary parameters of the earthquake (…) tsunami waves dangerous are possible for coasts located up to 300 km from the epicenter of the earthquake,” said the warning center of the Pacific for tsunamis.
A tsunami warning for the Alaskan panhandle and southeast Alaska and has subsequently been canceled, small waves have only been reported.
The earthquake was felt hundreds of kilometers away, and was followed by several aftershocks, the strongest with a magnitude of 5.7.
No victim, or no damage were reported in the first time.
“The bed and the curtains came and went. I felt like a very long earthquake, ” said a witness to Homer, Alaska, about 650 km from the epicentre, cited on the website of monitoring of earthquakes msc-csem.org.
The sirens sounded at Kodiak, the main city of the eponymous island, and thousands of people have evacuated the low-lying areas, ” said sergeant Daniel Blizzard, State police, the local channel 11 KTVA News.
“People are quite anxious, especially for an earthquake of this magnitude so close to Kodiak “, he stressed, adding that they were preparing for a tsunami.
Alaska is part of the Pacific ring of fire, seismically active and extends in the gulf of Alaska to the peninsula of the Russian Kamchatka peninsula.
On march 27, 1964, a magnitude 9.2 megathrust earthquake, the largest earthquake ever recorded in the United States and in the world, had struck the region of Anchorage. It had lasted several minutes and caused a tidal wave destroyer on the west coast-american, making a total of more than 250 victims.