M6.9 quake hits extensive areas of Japan; tsunami warning issued
TOKYO — An earthquake with a preliminary magnitude of 6.9 jolted extensive areas on the Pacific side of the Hokkaido, Tohoku and Kanto areas Tuesday
morning, with the Japan Meteorological Agency issuing a tsunami warning.
The warning for a tsunami up to 50 centimeters high was issued for the Pacific side of the Hokkaido and Tohoku areas. The 6:39 a.m. quake measured 3
on the Japanese seismic intensity scale of 7 in those areas. The focus was at a shallow depth under the seabed in the Pacific some 310 kilometers east
of the Oshika Peninsula in Miyagi Prefecture.
Date-Time Monday, November 14, 2005 at 21:38:54 (UTC)
= Coordinated Universal Time
Tuesday, November 15, 2005 at 7:38:54 AM
= local time at epicenter
Time of Earthquake in other Time Zones
Location 38.138°N, 144.886°E
Depth 29.8 km (18.5 miles)
Region OFF THE EAST COAST OF HONSHU, JAPAN
TSUNAMI BULLETIN NUMBER 002
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 2312Z 14 NOV 2005
SEA LEVEL READINGS INDICATE A TSUNAMI WAS GENERATED. IT MAY HAVE
BEEN DESTRUCTIVE ALONG COASTS NEAR THE EARTHQUAKE EPICENTER. FOR
THOSE AREAS - WHEN NO MAJOR WAVES ARE OBSERVED FOR TWO HOURS
AFTER THE ESTIMATED TIME OF ARRIVAL OR DAMAGING WAVES HAVE NOT
OCCURRED FOR AT LEAST TWO HOURS THEN LOCAL AUTHORITIES CAN ASSUME
THE THREAT IS PASSED. DANGER TO BOATS AND COASTAL STRUCTURES CAN
CONTINUE FOR SEVERAL HOURS DUE TO RAPID CURRENTS. AS LOCAL
CONDITIONS CAN CAUSE A WIDE VARIATION IN TSUNAMI WAVE ACTION THE
ALL CLEAR DETERMINATION MUST BE MADE BY LOCAL AUTHORITIES.
NO TSUNAMI THREAT EXISTS FOR OTHER COASTAL AREAS IN THE PACIFIC
ALTHOUGH SOME OTHER AREAS MAY EXPERIENCE SMALL SEA LEVEL CHANGES.
THIS WILL BE THE FINAL BULLETIN ISSUED FOR THIS EVENT UNLESS
ADDITIONAL INFORMATION BECOMES AVAILABLE.
THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE BULLETINS
FOR ALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA.
Another M-class flare peaked 22 minutes after quake hit.
This suggests gravity precluded flare as this flare was centered
towards the central pacific region.
2005/11/14 22:00:00 M1.0
flare start: 21:53:00
flare peak: 22:00:00
flare stop: 22:04:00
Gravity wave detected after 16:00utc
ITama Seismic Monitor
(Japanese Interferometric Gravitational-Wave Project)
[edit on 14-11-2005 by Regenmacher]