Huge 8.9 EarthQuake Offshore Honshu Japan

update aftershocks 7.1 and more 6+

 

Earthquake List for Map of Asia Region

Update time = Fri Mar 11 06:51:52 UTC 2011

Here is a list of the earthquakes located by the USGS and contributing networks for the Map of Asia Region. Most recent events are at the top. (Some early events may be obscured by later ones on the map.) Click on the date portion of an earthquake record in the list below for more information.

  MAG UTC DATE-TIME
y/m/d h:m:s
LAT
deg
LON
deg
DEPTH
km
 Region
MAP 7.1 2011/03/11 06:25:51    38.074 144.559  26.5   OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.8 2011/03/11 06:15:45    36.126 140.234  30.2   NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.4 2011/03/11 06:07:21    36.401 141.862  35.4   NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.4 2011/03/11 06:06:11    39.025 142.316  25.1   NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 8.9 2011/03/11 05:46:23    38.322 142.369  24.4   NEAR THE EAST COAST OF HONSHU, JAPAN

http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/region/Asia_eqs.php

update japan meteorological agency advises immediate evacuation of some coastal areas.

Tsunami Forecast Region Classification of Tsunami Warning/Advisory
IWATE PREF. TSUNAMI WARNING(MAJOR TSUNAMI)
MIYAGI PREF. TSUNAMI WARNING(MAJOR TSUNAMI)
FUKUSHIMA PREF. TSUNAMI WARNING(MAJOR TSUNAMI)
CENTRAL PART OF PACIFIC COAST OF HOKKAIDO TSUNAMI WARNING(TSUNAMI)
PACIFIC COAST OF AOMORI PREF. TSUNAMI WARNING(TSUNAMI)
IBARAKI PREF. TSUNAMI WARNING(TSUNAMI)
KUJUKURI AND SOTOBO AREA, CHIBA PREF. TSUNAMI WARNING(TSUNAMI)
IZU ISLANDS TSUNAMI WARNING(TSUNAMI)
EASTERN PART OF PACIFIC COAST OF HOKKAIDO TSUNAMI ADVISORY
WESTERN PART OF PACIFIC COAST OF HOKKAIDO TSUNAMI ADVISORY
JAPAN SEA COAST OF AOMORI PREF. TSUNAMI ADVISORY
UCHIBO AREA, CHIBA PREF. TSUNAMI ADVISORY
OGASAWARA ISLANDS TSUNAMI ADVISORY
SAGAMI BAY AND MIURA PENINSULA TSUNAMI ADVISORY
SHIZUOKA PREF. TSUNAMI ADVISORY
PACIFIC COAST OF AICHI PREF. TSUNAMI ADVISORY
SOUTHERN PART OF MIE PREF. TSUNAMI ADVISORY
WAKAYAMA PREF. TSUNAMI ADVISORY
TOKUSHIMA PREF. TSUNAMI ADVISORY
KOCHI PREF. TSUNAMI ADVISORY
MIYAZAKI PREF. TSUNAMI ADVISORY
TANEGASHIMA AND YAKUSHIMA AREA TSUNAMI ADVISORY
AMAMI ISLANDS AND TOKARA ISLANDS TSUNAMI ADVISORY

 

Tsunami Warning/AdvisoryIssued at 14:49 JST 11 Mar 2011  ******************Headline******************
Major Tsunami and Tsunami have been issued.
  PACIFIC COAST OF TOHOKU
  CENTRAL PART OF PACIFIC COAST OF HOKKAIDO
  IBARAKI PREF.
  KUJUKURI AND SOTOBO AREA, CHIBA PREF.
  IZU ISLANDS
Evacuate from the seashore immediately to the safe places near the above coasts.
Tsunami attentions are in effect at some of the other coasts now.*******************Text********************
Tsunami Warning
<Major Tsunami>
  *IWATE PREF.
  MIYAGI PREF.
  FUKUSHIMA PREF.
<Tsunami>
  CENTRAL PART OF PACIFIC COAST OF HOKKAIDO
  PACIFIC COAST OF AOMORI PREF.
  IBARAKI PREF.
  KUJUKURI AND SOTOBO AREA, CHIBA PREF.
  IZU ISLANDS
Evacuate from the seashore immediately to the safe places near the above coasts.Tsunami Advisory
<Tsunami Advisory>
  EASTERN PART OF PACIFIC COAST OF HOKKAIDO
  WESTERN PART OF PACIFIC COAST OF HOKKAIDO
  JAPAN SEA COAST OF AOMORI PREF.
  UCHIBO AREA, CHIBA PREF.
  OGASAWARA ISLANDS
  SAGAMI BAY AND MIURA PENINSULA
  SHIZUOKA PREF.
  PACIFIC COAST OF AICHI PREF.
  SOUTHERN PART OF MIE PREF.
  WAKAYAMA PREF.
  TOKUSHIMA PREF.
  KOCHI PREF.
  MIYAZAKI PREF.
  TANEGASHIMA AND YAKUSHIMA AREA
  AMAMI ISLANDS AND TOKARA ISLANDS

At the following coasts (* marks) tsunamis are
expected to arrive right away.
  IWATE PREF.

***********About Tsunami Forecast************
<Major Tsunami>
Tsunami height is expected to be 3 meters or more, Keep careful watch on tsunamis.
<Tsunami>
Tsunami height is expected to be up to 2 meters, Keep watch on tsunamis.
<Tsunami Advisory>
Tsunami height is expected to be about 0.5 meters, Pay attention to tsunamis.

http://www.jma.go.jp/en/tsunami/

 

Magnitude 8.8 – NEAR THE EAST COAST OF HONSHU, JAPAN

2011 March 11 05:46:23 UTC

Versión en Español

Earthquake Details

  • This is a computer-generated message — this event has not yet been reviewed by a seismologist.
Magnitude 8.8
Date-Time
Location 38.322°N, 142.369°E
Depth 24.4 km (15.2 miles) set by location program
Region NEAR THE EAST COAST OF HONSHU, JAPAN
Distances 130 km (80 miles) E of Sendai, Honshu, Japan
178 km (110 miles) E of Yamagata, Honshu, Japan
178 km (110 miles) ENE of Fukushima, Honshu, Japan
373 km (231 miles) NE of TOKYO, Japan
Location Uncertainty horizontal +/- 13.5 km (8.4 miles); depth fixed by location program
Parameters NST=350, Nph=351, Dmin=416.3 km, Rmss=1.46 sec, Gp= 29°,
M-type=”moment” magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=A
Source
  • USGS NEIC (WDCS-D)
Event ID usc0001xgp

http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/pt11070000.php

000 WEHW40 PHEB 110557 TSUHWX HIZ001>003-005>009-012>014-016>021-023>026-110757- /O.NEW.PHEB.TS.A.0001.110311T0557Z-000000T0000Z/

BULLETIN TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 756 PM HST THU MAR 10 2011 TO – CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT – TSUNAMI WATCH A TSUNAMI WATCH IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 0756 PM HST.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME – 0746 PM HST 10 MAR 2011 COORDINATES – 38.0 NORTH 142.9 EAST LOCATION – NEAR EAST COAST OF HONSHU JAPAN MAGNITUDE – 7.9 MOMENT EVALUATION BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE IF THERE IS A TSUNAMI THREAT TO HAWAII.

IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF THE FIRST TSUNAMI WAVE IS 0259 AM HST FRI 11 MAR 2011 MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.

http://www.weather.gov/ptwc/text.php?id=hawaii.2011.03.11.055747

000 WEPA40 PHEB 110555 TSUPAC TSUNAMI BULLETIN NUMBER 001 PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS ISSUED AT 0555Z 11 MAR 2011

THIS BULLETIN APPLIES TO AREAS WITHIN AND BORDERING THE PACIFIC OCEAN AND ADJACENT SEAS…EXCEPT ALASKA…BRITISH COLUMBIA… WASHINGTON…OREGON AND CALIFORNIA. … A TSUNAMI WARNING AND WATCH ARE IN EFFECT … A TSUNAMI WARNING IS IN EFFECT FOR JAPAN / RUSSIA / MARCUS IS. / N. MARIANAS A TSUNAMI WATCH IS IN EFFECT FOR GUAM / WAKE IS. / TAIWAN / YAP / PHILIPPINES / MARSHALL IS. / BELAU / MIDWAY IS. / POHNPEI / CHUUK / KOSRAE / INDONESIA / PAPUA NEW GUINEA / NAURU / HAWAII FOR ALL OTHER AREAS COVERED BY THIS BULLETIN… IT IS FOR INFORMATION ONLY AT THIS TIME. 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 – 0546Z 11 MAR 2011 COORDINATES – 38.0 NORTH 142.9 EAST DEPTH – 10 KM LOCATION – NEAR EAST COAST OF HONSHU JAPAN MAGNITUDE – 7.9 EVALUATION IT IS NOT KNOWN THAT A TSUNAMI WAS GENERATED. THIS WARNING IS BASED ONLY ON THE EARTHQUAKE EVALUATION. AN EARTHQUAKE OF THIS SIZE HAS THE POTENTIAL TO GENERATE A DESTRUCTIVE TSUNAMI THAT CAN STRIKE COASTLINES NEAR THE EPICENTER WITHIN MINUTES AND MORE DISTANT COASTLINES WITHIN HOURS. AUTHORITIES SHOULD TAKE APPROPRIATE ACTION IN RESPONSE TO THIS POSSIBILITY. THIS CENTER WILL MONITOR SEA LEVEL DATA FROM GAUGES NEAR THE EARTHQUAKE TO DETERMINE IF A TSUNAMI WAS GENERATED AND ESTIMATE THE SEVERITY OF THE THREAT. ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS WITHIN THE WARNING AND WATCH AREAS ARE GIVEN BELOW. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN SUCCESSIVE WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION FORECAST POINT COORDINATES ARRIVAL TIME JAPAN KATSUURA 35.1N 140.3E 0635Z 11 MAR KUSHIRO 42.9N 144.3E 0642Z 11 MAR HACHINOHE 40.5N 141.5E 0700Z 11 MAR SHIMIZU 32.8N 133.0E 0756Z 11 MAR OKINAWA 26.2N 127.8E 0912Z 11 MAR RUSSIA URUP_IS 46.1N 150.5E 0714Z 11 MAR SEVERO_KURILSK 50.8N 156.1E 0834Z 11 MAR PETROPAVLOVSK_K 53.2N 159.6E 0836Z 11 MAR UST_KAMCHATSK 56.1N 162.6E 0840Z 11 MAR MEDNNY_IS 54.7N 167.4E 0903Z 11 MAR MARCUS IS. MARCUS_IS. 24.3N 154.0E 0757Z 11 MAR N. MARIANAS SAIPAN 15.3N 145.8E 0853Z 11 MAR GUAM GUAM 13.4N 144.7E 0909Z 11 MAR WAKE IS. WAKE_IS. 19.3N 166.6E 0925Z 11 MAR TAIWAN HUALIEN 24.0N 121.7E 0932Z 11 MAR HUALIEN 24.0N 121.6E 0933Z 11 MAR TAITUNG 22.7N 121.2E 0936Z 11 MAR CHILUNG 25.2N 121.8E 1004Z 11 MAR YAP YAP_IS. 9.5N 138.1E 0944Z 11 MAR PHILIPPINES PALANAN 17.1N 122.6E 0955Z 11 MAR LEGASPI 13.2N 123.8E 1026Z 11 MAR DAVAO 6.8N 125.7E 1053Z 11 MAR MARSHALL IS. ENIWETOK 11.4N 162.3E 1013Z 11 MAR KWAJALEIN 8.7N 167.7E 1044Z 11 MAR MAJURO 7.1N 171.4E 1124Z 11 MAR BELAU MALAKAL 7.3N 134.5E 1025Z 11 MAR MIDWAY IS. MIDWAY_IS. 28.2N 182.6E 1026Z 11 MAR POHNPEI POHNPEI_IS. 7.0N 158.2E 1027Z 11 MAR CHUUK CHUUK_IS. 7.4N 151.8E 1034Z 11 MAR KOSRAE KOSRAE_IS. 5.5N 163.0E 1043Z 11 MAR INDONESIA GEME 4.6N 126.8E 1049Z 11 MAR BEREBERE 2.5N 128.7E 1058Z 11 MAR WARSA 0.6S 135.8E 1110Z 11 MAR MANOKWARI 0.8S 134.2E 1118Z 11 MAR PATANI 0.4N 128.8E 1124Z 11 MAR JAYAPURA 2.4S 140.8E 1135Z 11 MAR SORONG 0.8S 131.1E 1135Z 11 MAR PAPUA NEW GUINE MANUS_IS. 2.0S 147.5E 1124Z 11 MAR KAVIENG 2.5S 150.7E 1124Z 11 MAR VANIMO 2.6S 141.3E 1134Z 11 MAR WEWAK 3.5S 143.6E 1146Z 11 MAR RABAUL 4.2S 152.3E 1154Z 11 MAR NAURU NAURU 0.5S 166.9E 1149Z 11 MAR BULLETINS WILL BE ISSUED HOURLY OR SOONER IF CONDITIONS WARRANT. THE TSUNAMI WARNING AND WATCH WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. 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.

 http://www.weather.gov/ptwc/text.php?id=pacific.2011.03.11.055508

To: U.S. West Coast, Alaska, and British Columbia coastal regions From: NOAA/NWS/West Coast and Alaska Tsunami Warning Center Subject: Tsunami Information Statement #1 issued 03/10/2011 at 9:58PM PST

This is a Tsunami Information Statement for California, Oregon, Washington, British Columbia, and Alaska. NO tsunami warning, watch or advisory is in effect for these areas.Earthquakes of this size are known to generate tsunamis potentially dangerouse to coasts outside the source region. The West Coast/Alaska Tsunami Warning Center is investigating the event to determine the level of danger. More information will be issued as it becomes available. At 9:46 PM Pacific Standard Time on March 10, an earthquake with preliminary magnitude 7.9 occurred near the east coast of Honshu, Japan . (Refer to the United States Geological Survey for official earthquake parameters.) Pacific coastal regions outside California, Oregon, Washington, British Columbia, and Alaska should refer to the Pacific Tsunami Warning Center messages for information on the event. Messages will be issued hourly by the WCATWC until the event status is upgraded to a warning or advisory, or until the center has determined that the event poses no threat to the California, Oregon, Washington, British Columbia, and Alaska coasts. See the WCATWC web site for basic tsunami information, safety rules, and a tsunami travel time map and table. (NOTE: Travel time maps and tables indicate forecasted times only, not that a wave dangerous to the U.S. and Canadian coasts was generated.)

 http://wcatwc.arh.noaa.gov/2011/03/11/lhvpd9/01/messagelhvpd9-01.htm

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4 Responses to “Huge 8.9 EarthQuake Offshore Honshu Japan”

  1. you are right thanks for the heads up Al I have updated it.

    Bill

  2. Look at the aftershocks… Any one of those by themselves could cause major problems. And more to come, I would imagine. Keep praying, folks.

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