Tsunami Information (Tsunami Observation)
This Tsunami Information was issued in the past
Initial Tsunami Observation
Maximum Tsunami Observation
|Tsunami Information NUMBER 5|
Issued at 15:10 JST 11 Mar 2011
As of 15:10 JST
In some coastal regions, it is inferred that tsunamis higher than those recorded at observation sites have arrived.
Tsunamis may be higher than those recorded at observation sites.
Tsunami Warnings and/or Advisories are in currently effect for the following coastal regions of Japan:
<Tsunami Warning (Major Tsunami)>
<Tsunami Warning (Tsunami)>
CENTRAL PART OF PACIFIC COAST OF HOKKAIDO
PACIFIC COAST OF AOMORI PREF.
KUJUKURI AND SOTOBO AREA, CHIBA PREF.
EASTERN PART OF PACIFIC COAST OF HOKKAIDO
WESTERN PART OF PACIFIC COAST OF HOKKAIDO
JAPAN SEA COAST OF AOMORI PREF.
UCHIBO AREA, CHIBA PREF.
SAGAMI BAY AND MIURA PENINSULA
PACIFIC COAST OF AICHI PREF.
SOUTHERN PART OF MIE PREF.
TANEGASHIMA AND YAKUSHIMA AREA
AMAMI ISLANDS AND TOKARA ISLANDS
Although there may be slight sea-level changes in coastal regions other than the above, no tsunami damage is expected in those coastal regions.
*** [Tsunami Observed by offshore GPS buoys(marked with *)] ***
Please note that heights of all tsunamis observed by offshore GPS buoys are described as Unknown in the above text in order to avoid confusion with those observed by tidal stations in coastal areas.
Below are the details of tsunamis observed by offshore GPS buoys.
All tsunamis described here were observed offshore, and are therefore expected to increase in size by the time they reach coastal areas.
** [Estimated tsunami heights and arrivals times at coastal areas near offshore GPS buoys] **
Below are the estimated tsunami heights and arrival times at coastal areas near offshore GPS buoys.
Tsunamis may have already arrived in some areas.