"It's interesting, I mean it's obviously a very famous case here in San Francisco," said Jeff Harp, a security analyst for CBS San Francisco.

recirc_item:nth-child(5) { display: none; } #recirc_item_9822ed17-8cf9-4ed7-a91d-10176cd5a4a3 { display: none; } #recirc_item_9822ed17-8cf9-4ed7-a91d-10176cd5a4a3 ~ .recirc_item:nth-child(5) { display: list-item; } First published on January 23, 2018 / 7:02 PM © 2018 CBS Interactive Inc.

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The Associated Press contributed to this report.

ANCHORAGE, Alaska -- People in Alaska were jolted awake overnightTuesday.First by a powerful earthquake in the Gulf of Alaska – then by sirens that warned of a possible tsunami.

A magnitude 7.

9 earthquake struck at 12:32 a.© 2018 CBS Interactive Inc.

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WICHITA, Kan.-- An agent with U.