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A 7.3 earthquake has occurred of the coast of Japan, near Fukushima.  News outlets are reporting an anticipated 1 m (3 ft) tsunami risk.

USGS Data page

M7.3 - Off the east coast of Honshu, Japan
2013-10-25 17:10:16 UTC
PAGER - GREENShakeMap - IIIDYFI? - IVTsunami Warning Center
Earthquake location 37.194°N, 144.663°E
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SummaryLocation and Magnitude contributed by: USGS National Earthquake Information CenterGeneral

+
-
30 km
30 mi
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37.194°N, 144.663°E
Depth: 10.0km (6.2mi)
Event Time

2013-10-25 17:10:16 UTC
2013-10-26 03:10:16 UTC+10:00 at epicenter
2013-10-25 13:10:16 UTC-04:00 system time
Location

37.194°N 144.663°E depth=10.0km (6.2mi)

Pacific Tsunami Warning Center page
00
WEPA42 PHEB 251720
TIBPAC

TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 1720Z 25 OCT 2013

THIS BULLETIN APPLIES TO AREAS WITHIN AND BORDERING THE PACIFIC
OCEAN AND ADJACENT SEAS...EXCEPT ALASKA...BRITISH COLUMBIA...
WASHINGTON...OREGON AND CALIFORNIA.

... TSUNAMI INFORMATION BULLETIN ...

THIS BULLETIN IS FOR INFORMATION ONLY.

THIS BULLETIN IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES.  ONLY
NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE
DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND
ANY ACTIONS TO BE TAKEN IN RESPONSE.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
REPORTED BY THE JAPAN METEOROLOGICAL AGENCY.

 ORIGIN TIME -  1710Z 25 OCT 2013
 COORDINATES -  37.2 NORTH  144.6 EAST
 DEPTH       -   10 KM
 LOCATION    -  OFF THE EAST COAST OF HONSHU  JAPAN
 MAGNITUDE   -  7.5

EVALUATION

 NO DESTRUCTIVE WIDESPREAD TSUNAMI THREAT EXISTS BASED ON
 HISTORICAL EARTHQUAKE AND TSUNAMI DATA.

 HOWEVER - EARTHQUAKES OF THIS SIZE SOMETIMES GENERATE LOCAL
 TSUNAMIS THAT CAN BE DESTRUCTIVE ALONG COASTS LOCATED WITHIN
 A HUNDRED KILOMETERS OF THE EARTHQUAKE EPICENTER. AUTHORITIES
 IN THE REGION OF THE EPICENTER SHOULD BE AWARE OF THIS
 POSSIBILITY AND TAKE APPROPRIATE ACTION.

THIS WILL BE THE ONLY BULLETIN ISSUED FOR THIS EVENT UNLESS
ADDITIONAL INFORMATION BECOMES AVAILABLE.

THE JAPAN METEOROLOGICAL AGENCY MAY ALSO ISSUE TSUNAMI MESSAGES
FOR THIS EVENT TO COUNTRIES IN THE NORTHWEST PACIFIC AND SOUTH
CHINA SEA REGION.  IN CASE OF CONFLICTING INFORMATION... THE
MORE CONSERVATIVE INFORMATION SHOULD BE USED FOR SAFETY.

THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE PRODUCTS
FOR ALASKA...BRITISH COLUMBIA...WASHINGTON...OREGON...CALIFORNIA.

Japan Tsunami Alert
Tsunami Warnings / Tsunami Advisories

Issued at 02:50 JST 26 Oct 2013

*******Headline******
Updated Tsunami Advisories.
PACIFIC COAST OF TOHOKU
IBARAKI PREF.
KUJUKURI AND SOTOBO AREA, CHIBA PREF.

*******Text*******
Tsunami Advisories have been issued for the following coastal regions of Japan:

IWATE PREF.
*MIYAGI PREF.
*IBARAKI PREF.
*KUJUKURI AND SOTOBO AREA, CHIBA PREF.

Tsunamis are expected to arrive imminently in the following coastal regions of Japan (coastal regions shown above with * marks):
IWATE PREF.
MIYAGI PREF.
IBARAKI PREF.
KUJUKURI AND SOTOBO AREA, CHIBA PREF.

***Tsunami Warnings/Advisories now in effect***
Major Tsunami Warnings, Tsunami Warnings and/or Advisories are currently in effect for the following coastal regions of Japan:


IWATE PREF.
MIYAGI PREF.
FUKUSHIMA PREF.
IBARAKI PREF.
KUJUKURI AND SOTOBO AREA, CHIBA PREF.

****About Tsunami Forecast*****

Marine threat is in place.
Get out of the water and leave the coast immediately.
As the strong current will continue, do not get in the sea or approach coasts until the advisory is cleared.


Though there may be slight sea-level change in coastal regions, no tsunami damage is expected.

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