California under tsunami watch after magnitude 8.7 quake in Russia
Hawaii, which was originally placed under a tsunami watch, was upgraded to a tsunami warning at 5:43 p.m. Pacific time, signifying a more elevated threat: The region could face dangerous coastal flooding, and powerful currents and people may be evacuated to higher ground or inland, according to the U.S. Tsunami Warning System.
The estimated potential arrival time in Hawaii of the first tsunami wave is 10:17 p.m. Pacific time or 7:17 p.m. Hawaii time. The estimated arrival time for San Francisco would be after midnight.
This was the first tsunami warning for Hawaii since October 2012.
'A tsunami has been generated that could cause damage along coastlines of all islands in the state of Hawaii,' the National Weather Service said.
A tsunami watch indicates a potential tsunami exists, and coastal areas should prepare for the possibility of one arriving. Emergency management officials and the public should prepare to take action. A tsunami watch is upgraded to a warning when a tsunami with the potential to generate widespread inundation is imminent, expected, or occurring, according to the National Weather Service.
The watch may be upgraded to a warning or advisory or canceled based on updated information and analysis, according to the National Weather Service.
The quake struck east of Petropavlovsk-Kamchatsky, a city on the Pacific coast of Russia, at 4:24 p.m. Pacific time.
The watch means potential hazards are not yet known and the public should stay tuned for more information and be prepared to act, according to the U.S. Tsunami Warning System.
A wave would take about seven hours to reach San Francisco, with a predicted arrival at about 12:40 a.m. Wednesday, according to the National Weather Service. Cities such as Fort Bragg, Crescent City, Monterey, Port San Luis were also included in the watch, in addition to other cities in Southern California, the weather service said.
If the tsunami were to form, the arrival times were estimated to be as follows:
San Francisco officials said they were monitoring the situation and would provide more information when it became available.
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