ANCHORAGE, Alaska (CBS SF) — A magnitude 6.3 earthquake struck in Alaska Tuesday evening, but there was no immediate tsunami threat.

The USGS reported the 6.3 magnitude earthquake that struck about 141 miles southwest of Anchorage around 7:35 p.m. pacific time Tuesday afternoon.

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The quake struck at a depth of 73 miles.

No damage or injuries were immediately reported.

A magnitude 5.4 earthquake struck the Aleutian Islands earlier Tuesday.

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COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center

This article will be updated as information warrants, and follow KPIX 5 on Twitter at @CBSSF or KCBS Radio on Twitter at @KCBSNews for updates on breaking news anytime.

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Strong earthquakes with an epicenter off the coast can trigger tsunamis, depending on the size and type of the fault movement. The Pacific Tsunami Warning Center tracks earthquake data for the West Coast.
WEST COAST TSUNAMI TRACKING:

Tsunami Alerts & Maps