Tsunami Information NUMBER 11
(Tsunami Observations)
Issued at 15:03 JST 09 Mar 2011
Tsunami Observations
As of 14:55 JST
At some parts of the coasts, tsunamis may be higher than those observed at
the observation sites.
Hachinohe Initial Tsunami 12:46 JST 09 Mar (+) 0.1m
Maximum Tsunami 13:46 JST 09 Mar 0.2m
Mutsu-shi Sekinehama Initial Tsunami 12:55 JST 09 Mar (-) 0.2m
Maximum Tsunami 13:08 JST 09 Mar 0.2m
Mutsuogawara-ko Initial Tsunami 12:41 JST 09 Mar (+) 0.1m
Maximum Tsunami 13:41 JST 09 Mar 0.2m
Miyako Initial Tsunami 12:11 JST 09 Mar (-) Slight
Maximum Tsunami 13:04 JST 09 Mar 0.3m
Ofunato Initial Tsunami 12:08 JST 09 Mar (-) 0.1m
Maximum Tsunami 12:16 JST 09 Mar 0.6m
Kamaishi Initial Tsunami 12:09 JST 09 Mar (-) Slight
Maximum Tsunami 12:18 JST 09 Mar 0.4m
Kuji-ko Initial Tsunami 12:33 JST 09 Mar (+) 0.4m
Maximum Tsunami 13:13 JST 09 Mar 0.5m
Iwate Kamaishi-oki Initial Tsunami 12:02 JST 09 Mar Unknown
Maximum Tsunami (*4)
Iwate Miyako-oki Initial Tsunami 12:05 JST 09 Mar Unknown
Maximum Tsunami (*4)
Iwate Kuji-oki Initial Tsunami 12:18 JST 09 Mar Unknown
Maximum Tsunami (*4)
Ishinomaki-shi Ayukawa Initial Tsunami 12:13 JST 09 Mar (-) Slight
Maximum Tsunami 12:25 JST 09 Mar 0.5m
Sendai-ko Initial Tsunami 12:54 JST 09 Mar (-) Slight
Maximum Tsunami 12:59 JST 09 Mar 0.3m
Miyagi Kinkasan-oki Initial Tsunami 12:07 JST 09 Mar Unknown
Maximum Tsunami (*4)
Kesennuma Hirotawan-oki Initial Tsunami 12:00 JST 09 Mar Unknown
Maximum Tsunami (*4)
Iwaki-shi Onahama Initial Tsunami 12:37 JST 09 Mar (+) 0.1m
Maximum Tsunami 14:01 JST 09 Mar 0.2m
Soma Initial Tsunami 12:51 JST 09 Mar (-) Slight
Maximum Tsunami 13:03 JST 09 Mar 0.2m
Fukushima Onahama-oki Initial Tsunami 12:25 JST 09 Mar Unknown
Maximum Tsunami (*4)
*4 mark:The maximum tsunami will arrive from now on.
All tsunami warnings and advisories have been cancelled.
Pay attention when fishing, swimming, etc. at the above coasts as there may
be still sea level changes there for the time being.
Earthquake Information
Occurred at 11:45 JST 09 Mar 2011
Region name SANRIKU OKI
Latitude 38.3N
Longitude 143.3E
Depth about 10km
Magnitude 7.3
********** [Tsunami Observations of the GPS wave meter] **********
Iwate Kamaishi-oki* Initial Tsunami 12:02 JST 09 Mar + 0.1m
Maximum Tsunami 12:06 JST 09 Mar 0.1m
Miyagi Kinkasan-oki* Initial Tsunami 12:07 JST 09 Mar + 0.2m
Maximum Tsunami 12:13 JST 09 Mar 0.2m
At the coasts, tsunamis may be higher than those observed at the offshore
sites.
** [Estimated Tsunami Arrival Time and Height of the GPS wave meter] **
Estimated Tsunami Height at the coast as follows.
Estimated Tsunami Arrival Time Estimated Tsunami Height
Iwate Kamaishi-oki 12:07 - 12:22 JST 09 Mar
Miyagi Kinkasan-oki 12:12 - 12:27 JST 09 Mar
At some parts of the coasts, tsunamis have been arrived.