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More than 530 people reported feeling the quake, the USGS said.
The earthquake was initially rated a magnitude 7.4 but was upgraded to a magnitude 7.5 with a depth of 40.1 km (25 miles), according to the USGS. The epicenter was approximately 575 miles ...
California officials also have records of tsunamis hitting Northern California in 1960 and 1946, which each left at least one person dead. The 1946 tsunami, triggered by a magnitude 8.6 earthquake ...
Nine quakes measuring at least magnitude 5.0 struck on or near the islands and in a cluster offshore to the south Sunday morning and afternoon, according to the Alaska Earthquake Center. Three of the quakes measured 6.0 or stronger, with the biggest a 6.3 temblor offshore.
The National Weather Service said that the tsunami warning that extended along 500 miles (800 km) of the California and Oregon coasts was called off about 90 minutes after the earthquake struck at ...
The United States Geological Survey wrote in a social media post that the earthquake occurred 106 kilometers (65.8 miles) south of Sand Point, Alaska, at 10:48 p.m. Saturd
The earthquake ruptured an area of about 120 mi × 60 mi (193 km × 97 km), equal to about 7,200 sq mi (19,000 km 2). The estimated maximum slip along this fault surface was about 3 to 4 m (9.8 to 13.1 ft). [30] The earthquake appears to have only partially ruptured the Shumagin segment of the subduction zone, at 75%.
California's worst tsunami disaster in modern times occurred in 1964, when a magnitude 9.2 earthquake in Alaska spawned a tsunami that inundated Crescent City, near the Oregon border.