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Home > Weather and Earthquakes > Tsunami Warnings/Advisories, Tsunami Information

Tsunami Information (High Tide Time and Estimated Tsunami Arrival Time at each place)

Tsunami Information
This Tsunami Information was issued in the past
Occurred at 14:46 JST 11 Mar 2011
Region name Sanriku Oki
Depth about 10 km
Magnitude 7.9
Click the map to zoom in

Tsunami Forecast Region/
Tsunami Observation Site
High Tide TimeEstimated Tsunami
Arrival Time
IWATE PREF.(*1)
Miyako19:43 JST 11 Mar15:20 JST 11 Mar
Ofunato19:46 JST 11 Mar15:10 JST 11 Mar
Kamaishi19:47 JST 11 Mar15:10 JST 11 Mar
Kuji-ko19:36 JST 11 Mar15:40 JST 11 Mar
MIYAGI PREF.15:00 JST 11 Mar
Ishinomaki-shi Ayukawa19:54 JST 11 Mar15:10 JST 11 Mar
Sendai-ko19:55 JST 11 Mar15:40 JST 11 Mar
FUKUSHIMA PREF.15:10 JST 11 Mar
Iwaki-shi Onahama20:09 JST 11 Mar15:30 JST 11 Mar
Soma20:01 JST 11 Mar15:40 JST 11 Mar
CENTRAL PART OF PACIFIC COAST OF HOKKAIDO15:30 JST 11 Mar
Urakawa19:31 JST 11 Mar15:40 JST 11 Mar
Tokachi-ko 19:24 JST 11 Mar15:50 JST 11 Mar
Erimo-cho Shoya19:36 JST 11 Mar15:40 JST 11 Mar
PACIFIC COAST OF AOMORI PREF.15:30 JST 11 Mar
Hachinohe19:30 JST 11 Mar15:50 JST 11 Mar
Mutsu-shi Sekinehama19:25 JST 11 Mar15:50 JST 11 Mar
Mutsuogawara-ko19:34 JST 11 Mar15:40 JST 11 Mar
IBARAKI PREF.15:30 JST 11 Mar
Oarai20:14 JST 11 Mar15:30 JST 11 Mar
Kamisu-shi Kashima-ko20:12 JST 11 Mar15:30 JST 11 Mar
KUJUKURI AND SOTOBO AREA, CHIBA PREF.15:20 JST 11 Mar
Choshi20:23 JST 11 Mar15:30 JST 11 Mar
IZU ISLANDS15:20 JST 11 Mar
Izu-oshima Okada20:57 JST 11 Mar15:30 JST 11 Mar
Miyakejima Tsubota21:18 JST 11 Mar15:30 JST 11 Mar
Hachijojima Yaene21:38 JST 11 Mar15:40 JST 11 Mar
Kozushima Kozushima-ko 21:36 JST 11 Mar15:40 JST 11 Mar
Miyakejima Ako21:16 JST 11 Mar15:30 JST 11 Mar
Hachijojima Kaminato21:22 JST 11 Mar15:40 JST 11 Mar
EASTERN PART OF PACIFIC COAST OF HOKKAIDO15:30 JST 11 Mar
Kushiro19:27 JST 11 Mar15:40 JST 11 Mar
Nemuro-shi Hanasaki19:28 JST 11 Mar15:50 JST 11 Mar
Nemuro-ko19:08 JST 11 Mar16:10 JST 11 Mar
Hamanaka-cho Kiritappu-ko19:23 JST 11 Mar15:50 JST 11 Mar
WESTERN PART OF PACIFIC COAST OF HOKKAIDO15:40 JST 11 Mar
Hakodate19:27 JST 11 Mar16:10 JST 11 Mar
Tomakomai-nishiko 19:30 JST 11 Mar16:00 JST 11 Mar
Fukushima-cho Yoshioka19:58 JST 11 Mar16:20 JST 11 Mar
Tomakomai-higashiko 19:34 JST 11 Mar16:00 JST 11 Mar
Shiraoi-ko19:25 JST 11 Mar16:00 JST 11 Mar
Oshima Mori-ko18:52 JST 11 Mar16:20 JST 11 Mar
Muroran-ko18:43 JST 11 Mar16:10 JST 11 Mar
JAPAN SEA COAST OF AOMORI PREF.16:10 JST 11 Mar
Fukaura17:33 JST 11 Mar16:40 JST 11 Mar
Tappi19:39 JST 11 Mar16:20 JST 11 Mar
UCHIBO AREA, CHIBA PREF.15:20 JST 11 Mar
Tateyama-shi Mera20:44 JST 11 Mar15:30 JST 11 Mar
OGASAWARA ISLANDS16:00 JST 11 Mar
Chichijima Futami22:08 JST 11 Mar16:10 JST 11 Mar
SAGAMI BAY AND MIURA PENINSULA15:30 JST 11 Mar
Odawara20:51 JST 11 Mar15:30 JST 11 Mar
Miurashi Aburatsubo21:00 JST 11 Mar15:30 JST 11 Mar
SHIZUOKA PREF.15:30 JST 11 Mar
Numazu-shi Uchiura21:36 JST 11 Mar16:00 JST 11 Mar
Shimizu21:37 JST 11 Mar15:50 JST 11 Mar
Minami-izu-cho Irozaki21:40 JST 11 Mar15:50 JST 11 Mar
Omaezaki21:41 JST 11 Mar16:00 JST 11 Mar
Maisaka22:04 JST 11 Mar16:10 JST 11 Mar
Shimoda-ko21:30 JST 11 Mar15:40 JST 11 Mar
Ito21:03 JST 11 Mar15:30 JST 11 Mar
Nishiizu-cho Tago21:35 JST 11 Mar15:50 JST 11 Mar
Yaizu21:33 JST 11 Mar15:50 JST 11 Mar
PACIFIC COAST OF AICHI PREF.16:10 JST 11 Mar
Tahara-shi Akabane21:57 JST 11 Mar16:20 JST 11 Mar
SOUTHERN PART OF MIE PREF.16:00 JST 11 Mar
Toba22:00 JST 11 Mar16:30 JST 11 Mar
Owase21:53 JST 11 Mar16:20 JST 11 Mar
Kumano-shi Yuki21:51 JST 11 Mar16:10 JST 11 Mar
WAKAYAMA PREF.16:10 JST 11 Mar
Nachi-katsuura-cho Uragami21:56 JST 11 Mar16:10 JST 11 Mar
Kushimoto-cho Fukuro-ko22:03 JST 11 Mar16:20 JST 11 Mar
Wakayama22:36 JST 11 Mar17:20 JST 11 Mar
Gobo-shi Haraido22:01 JST 11 Mar16:30 JST 11 Mar
Shirahama-cho Katata21:57 JST 11 Mar16:20 JST 11 Mar
TOKUSHIMA PREF.16:40 JST 11 Mar
Komatsushima22:19 JST 11 Mar17:10 JST 11 Mar
Tokushima Yuki21:58 JST 11 Mar16:40 JST 11 Mar
KOCHI PREF.16:30 JST 11 Mar
Muroto-shi Muroto-misaki22:05 JST 11 Mar16:30 JST 11 Mar
Kochi22:09 JST 11 Mar17:00 JST 11 Mar
Tosa-shimizu22:11 JST 11 Mar16:50 JST 11 Mar
Susaki-ko22:07 JST 11 Mar16:50 JST 11 Mar
MIYAZAKI PREF.17:00 JST 11 Mar
Hyuga-shi Hososhima22:19 JST 11 Mar17:10 JST 11 Mar
Nichinan-shi Aburatsu22:16 JST 11 Mar17:00 JST 11 Mar
Miyazaki-ko22:19 JST 11 Mar17:10 JST 11 Mar
TANEGASHIMA AND YAKUSHIMA AREA17:10 JST 11 Mar
Tanegashima Nishino-omote22:52 JST 11 Mar17:30 JST 11 Mar
Tanegashima Kumano22:22 JST 11 Mar17:10 JST 11 Mar
AMAMI ISLANDS AND TOKARA ISLANDS17:10 JST 11 Mar
Nakanoshima22:59 JST 11 Mar17:10 JST 11 Mar
Amami-shi Kominato22:43 JST 11 Mar17:20 JST 11 Mar
Amami-shi Naze23:01 JST 11 Mar17:30 JST 11 Mar

Tsunami Information NUMBER 2
(High Tide Time and Estimated Tsunami Arrival Time at each place)

Issued at 14:50 JST 11 Mar 2011

High Tide Time and Estimated Tsunami Arrival Time at each place
Exercise extreme caution if a tsunami arrives at high tide, as this boosts the height of waves.

Tsunami Forecast Region/
Tsunami Observation Site
High Tide TimeEstimated Tsunami
Arrival Time
<Tsunami Warning (Major Tsunami)>
IWATE PREF.(*1)
Miyako19:43 JST 11 Mar15:20 JST 11 Mar
Ofunato19:46 JST 11 Mar15:10 JST 11 Mar
Kamaishi19:47 JST 11 Mar15:10 JST 11 Mar
Kuji-ko19:36 JST 11 Mar15:40 JST 11 Mar
MIYAGI PREF.15:00 JST 11 Mar
Ishinomaki-shi Ayukawa19:54 JST 11 Mar15:10 JST 11 Mar
Sendai-ko19:55 JST 11 Mar15:40 JST 11 Mar
FUKUSHIMA PREF.15:10 JST 11 Mar
Iwaki-shi Onahama20:09 JST 11 Mar15:30 JST 11 Mar
Soma20:01 JST 11 Mar15:40 JST 11 Mar
<Tsunami Warning (Tsunami)>
CENTRAL PART OF PACIFIC COAST OF HOKKAIDO15:30 JST 11 Mar
Urakawa19:31 JST 11 Mar15:40 JST 11 Mar
Tokachi-ko 19:24 JST 11 Mar15:50 JST 11 Mar
Erimo-cho Shoya19:36 JST 11 Mar15:40 JST 11 Mar
PACIFIC COAST OF AOMORI PREF.15:30 JST 11 Mar
Hachinohe19:30 JST 11 Mar15:50 JST 11 Mar
Mutsu-shi Sekinehama19:25 JST 11 Mar15:50 JST 11 Mar
Mutsuogawara-ko19:34 JST 11 Mar15:40 JST 11 Mar
IBARAKI PREF.15:30 JST 11 Mar
Oarai20:14 JST 11 Mar15:30 JST 11 Mar
Kamisu-shi Kashima-ko20:12 JST 11 Mar15:30 JST 11 Mar
KUJUKURI AND SOTOBO AREA, CHIBA PREF.15:20 JST 11 Mar
Choshi20:23 JST 11 Mar15:30 JST 11 Mar
IZU ISLANDS15:20 JST 11 Mar
Izu-oshima Okada20:57 JST 11 Mar15:30 JST 11 Mar
Miyakejima Tsubota21:18 JST 11 Mar15:30 JST 11 Mar
Hachijojima Yaene21:38 JST 11 Mar15:40 JST 11 Mar
Kozushima Kozushima-ko 21:36 JST 11 Mar15:40 JST 11 Mar
Miyakejima Ako21:16 JST 11 Mar15:30 JST 11 Mar
Hachijojima Kaminato21:22 JST 11 Mar15:40 JST 11 Mar
<Tsunami Advisory>
EASTERN PART OF PACIFIC COAST OF HOKKAIDO15:30 JST 11 Mar
Kushiro19:27 JST 11 Mar15:40 JST 11 Mar
Nemuro-shi Hanasaki19:28 JST 11 Mar15:50 JST 11 Mar
Nemuro-ko19:08 JST 11 Mar16:10 JST 11 Mar
Hamanaka-cho Kiritappu-ko19:23 JST 11 Mar15:50 JST 11 Mar
WESTERN PART OF PACIFIC COAST OF HOKKAIDO15:40 JST 11 Mar
Hakodate19:27 JST 11 Mar16:10 JST 11 Mar
Tomakomai-nishiko 19:30 JST 11 Mar16:00 JST 11 Mar
Fukushima-cho Yoshioka19:58 JST 11 Mar16:20 JST 11 Mar
Tomakomai-higashiko 19:34 JST 11 Mar16:00 JST 11 Mar
Shiraoi-ko19:25 JST 11 Mar16:00 JST 11 Mar
Oshima Mori-ko18:52 JST 11 Mar16:20 JST 11 Mar
Muroran-ko18:43 JST 11 Mar16:10 JST 11 Mar
JAPAN SEA COAST OF AOMORI PREF.16:10 JST 11 Mar
Fukaura17:33 JST 11 Mar16:40 JST 11 Mar
Tappi19:39 JST 11 Mar16:20 JST 11 Mar
UCHIBO AREA, CHIBA PREF.15:20 JST 11 Mar
Tateyama-shi Mera20:44 JST 11 Mar15:30 JST 11 Mar
OGASAWARA ISLANDS16:00 JST 11 Mar
Chichijima Futami22:08 JST 11 Mar16:10 JST 11 Mar
SAGAMI BAY AND MIURA PENINSULA15:30 JST 11 Mar
Odawara20:51 JST 11 Mar15:30 JST 11 Mar
Miurashi Aburatsubo21:00 JST 11 Mar15:30 JST 11 Mar
SHIZUOKA PREF.15:30 JST 11 Mar
Numazu-shi Uchiura21:36 JST 11 Mar16:00 JST 11 Mar
Shimizu21:37 JST 11 Mar15:50 JST 11 Mar
Minami-izu-cho Irozaki21:40 JST 11 Mar15:50 JST 11 Mar
Omaezaki21:41 JST 11 Mar16:00 JST 11 Mar
Maisaka22:04 JST 11 Mar16:10 JST 11 Mar
Shimoda-ko21:30 JST 11 Mar15:40 JST 11 Mar
Ito21:03 JST 11 Mar15:30 JST 11 Mar
Nishiizu-cho Tago21:35 JST 11 Mar15:50 JST 11 Mar
Yaizu21:33 JST 11 Mar15:50 JST 11 Mar
PACIFIC COAST OF AICHI PREF.16:10 JST 11 Mar
Tahara-shi Akabane21:57 JST 11 Mar16:20 JST 11 Mar
SOUTHERN PART OF MIE PREF.16:00 JST 11 Mar
Toba22:00 JST 11 Mar16:30 JST 11 Mar
Owase21:53 JST 11 Mar16:20 JST 11 Mar
Kumano-shi Yuki21:51 JST 11 Mar16:10 JST 11 Mar
WAKAYAMA PREF.16:10 JST 11 Mar
Nachi-katsuura-cho Uragami21:56 JST 11 Mar16:10 JST 11 Mar
Kushimoto-cho Fukuro-ko22:03 JST 11 Mar16:20 JST 11 Mar
Wakayama22:36 JST 11 Mar17:20 JST 11 Mar
Gobo-shi Haraido22:01 JST 11 Mar16:30 JST 11 Mar
Shirahama-cho Katata21:57 JST 11 Mar16:20 JST 11 Mar
TOKUSHIMA PREF.16:40 JST 11 Mar
Komatsushima22:19 JST 11 Mar17:10 JST 11 Mar
Tokushima Yuki21:58 JST 11 Mar16:40 JST 11 Mar
KOCHI PREF.16:30 JST 11 Mar
Muroto-shi Muroto-misaki22:05 JST 11 Mar16:30 JST 11 Mar
Kochi22:09 JST 11 Mar17:00 JST 11 Mar
Tosa-shimizu22:11 JST 11 Mar16:50 JST 11 Mar
Susaki-ko22:07 JST 11 Mar16:50 JST 11 Mar
MIYAZAKI PREF.17:00 JST 11 Mar
Hyuga-shi Hososhima22:19 JST 11 Mar17:10 JST 11 Mar
Nichinan-shi Aburatsu22:16 JST 11 Mar17:00 JST 11 Mar
Miyazaki-ko22:19 JST 11 Mar17:10 JST 11 Mar
TANEGASHIMA AND YAKUSHIMA AREA17:10 JST 11 Mar
Tanegashima Nishino-omote22:52 JST 11 Mar17:30 JST 11 Mar
Tanegashima Kumano22:22 JST 11 Mar17:10 JST 11 Mar
AMAMI ISLANDS AND TOKARA ISLANDS17:10 JST 11 Mar
Nakanoshima22:59 JST 11 Mar17:10 JST 11 Mar
Amami-shi Kominato22:43 JST 11 Mar17:20 JST 11 Mar
Amami-shi Naze23:01 JST 11 Mar17:30 JST 11 Mar

*1 mark: Arrival of tsunami inferred.

Tsunami Warnings and/or Advisories are in currently effect for the following coastal regions of Japan:
<Tsunami Warning (Major Tsunami)>
  IWATE PREF.
  MIYAGI PREF.
  FUKUSHIMA PREF.
<Tsunami Warning (Tsunami)>
  CENTRAL PART OF PACIFIC COAST OF HOKKAIDO
  PACIFIC COAST OF AOMORI PREF.
  IBARAKI PREF.
  KUJUKURI AND SOTOBO AREA, CHIBA PREF.
  IZU ISLANDS
<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
Although there may be slight sea-level changes in coastal regions other than the above, no tsunami damage is expected in those coastal regions.

Earthquake Information
 Occurred at 14:46 JST 11 Mar 2011
 Region name SANRIKU OKI
 Latitude38.0N
 Longitude142.9E
 Depth about 10 km
 Magnitude 7.9