An earthquake of magnitude 6.9 shook the coasts of the Alaska Peninsula, reported the United States Geological Survey. The epicenter was located at a depth of about 33 kilometers (21 miles).
Despite the magnitude, no tsunami warnings were issued.
The closest place to the epicenter is the community of Perryville, home to just over 100 people, about 135 kilometers (85 miles) to the northwest.
The earthquake could be seen in Chignik, Cold Bay, Kodiak and Bethel.
Wildlife refuges make up most of the area in the Gulf of Alaska where the quake struck shortly before 4:00 a.m.
Alaska is in an area prone to seismic activity.
The Alaska Seismological Center, located at the University of Alaska, Fairbanks campus, detects an earthquake every 15 minutes on average, according to its website.
The center also ensures that 75% of all earthquakes in the United States with a magnitude greater than 5 occur in Alaska.
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