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No tsunami threat to Hawaii from 6.4 magnitude Japan earthquake

A 6.6 magnitude earthquake struck Japan at 8:10 p.m. HST Saturday (Feb 6).

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
823 PM HST SAT FEB 06 2010

TO – CIVIL DEFENSE IN THE STATE OF HAWAII

SUBJECT – TSUNAMI INFORMATION

THIS STATEMENT IS FOR INFORMATION ONLY. NO ACTION REQUIRED.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME – 0810 PM HST 06 FEB 2010
COORDINATES – 23.4 NORTH 124.0 EAST
LOCATION – SOUTHWESTERN RYUKYU ISL. JAPAN
MAGNITUDE – 6.6 MOMENT

EVALUATION

BASED ON ALL AVAILABLE DATA A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII. REPEAT. A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII.

THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS ADDITIONAL DATA ARE RECEIVED.

Magnitude
6.4
Date-Time
Sunday, February 07, 2010 at 06:10:00 UTC
Sunday, February 07, 2010 at 03:10:00 PM at epicenter
Time of Earthquake in other Time Zones
Location
23.472°N, 123.713°E
Depth
16.5 km (10.3 miles) (poorly constrained)
Region
SOUTHWESTERN RYUKYU ISLANDS, JAPAN
Distances
115 km (70 miles) SSW of Ishigaki-jima, Ryukyu Islands, Japan
225 km (140 miles) ESE of Hua-lien, Taiwan
225 km (140 miles) ESE of Su-ao, Taiwan
2055 km (1280 miles) SW of TOKYO, Japan

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