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Event ID: 20210320180954
Off the coast of Miyagi
Time of Quake Magnitude Depth
18:09:00 JST 20 Mar 2021 7.2 60

Miyagi-North
Miyagi-South
Miyagi-Central
Iwate Southern Coast
Iwate Southern Inland
Fukushima-Nakadori
Fukushima-Hamadori
Saitama-North
Gunma-South
Tochigi-South
Tochigi-North
Ibaraki-South
Saitama-South
Chiba-Northeastern
Chiba-Northwestern
Kanagawa-East
Niigata-Kaetsu
Yamanashi East-Fuji 5 Lakes
Nagano-Central
Ibaraki-North
Yamagata-Okitami
Fukushima-Aizu
Aoimori Sanpachikamikita
Iwate Northern Inland
Iwate Northern Coast
Akita Southern Coast
Akita Southern Inland
Yamagata-Mogami
Yamagata-Murayama
Tokyo Tama-East
Oshima-East
Tokyo 23 Wards
Shizuoka-East
Yamanashi Central West
Niigata-Chuetsu
Yamagata-Shonai
Kanagawa-West
Akita Northern Inland
Akita Northern Coast
Gunma-North
Aoimori Shimokita
Saitama-Chichibu
Aoimori Tsugaru-South
Aoimori Tsugaru-North
Chiba-South
Shizuoka-Izu
Nemuro-South
Nemuro-Central
Tokyo Tama-West
Izu Oshima
Niijima
Shizuoka-Central
Shizuoka-West
Ishikawa-Noto
Gifu Mino Eastern
Gifu Mino Midwest
Aichi-West
Kushiro-South Central
Tokachi-South
Hiyama Region
Oshima-West
Ishikari-South
Ishikari-Central
Nagano-South
Nagano-North
Niigata-Sado
Niigata-Joetsu
Iburi-West
Iburi-East Central
Hidaka-West
Tokachi-Central
Tokachi-North
Hidaka-East
Hidaka-Central
Toyama-West
Aichi-East
Shiga-North
Gifu-Hida
Toyama-East
Shiribeshi-East
Kitami
Kushiro-North
Nemuro-North
Miyakejima
Kozu
Shiga-South

Tsunami Advisory History
Severity Coastal Area Local Area Estimated Arrival Time Wave Height
18:11:00 JST 20 Mar 2021 - Original tsunami report
Tsunami Advisory Miyagi 1 m
Slight sea level change Eastern part of the Pacific Coast of Hokkaido 0.2 m
Slight sea level change Pacific coast of central Hokkaido 0.2 m
Slight sea level change Western part of the Pacific Coast of Hokkaido 0.2 m
Slight sea level change Aomori-Pacific coast 0.2 m
Slight sea level change Iwate 0.2 m
Slight sea level change Fukushima 0.2 m
Slight sea level change Ibaraki 0.2 m
18:11:00 JST 20 Mar 2021 - Updated or additional information
Tsunami Advisory Miyagi 1 m
  ISHINOMAKISHI AYUKAWA Wave may reach here.  
  SENDAIKO 18:40  
  ISHINOMAKIKO 18:20  
Slight sea level change Eastern part of the Pacific Coast of Hokkaido 0.2 m
Slight sea level change Pacific coast of central Hokkaido 0.2 m
Slight sea level change Western part of the Pacific Coast of Hokkaido 0.2 m
Slight sea level change Aomori-Pacific coast 0.2 m
Slight sea level change Iwate 0.2 m
Slight sea level change Fukushima 0.2 m
Slight sea level change Ibaraki 0.2 m
19:30:00 JST 20 Mar 2021 - Tsunami advisory cancelled

Archive Earthquake Data
  JMA (final quake data) EEW (preliminary reports)
2011 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2012 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2013 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2014 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2015 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2016 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2017 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2019 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2020 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2021 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7