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Event ID: 20230328181834
Off the east coast of Aomori
Time of Quake Magnitude Depth
18:18:00 JST 28 Mar 2023 6.1 20

Iwate Northern Inland
Aoimori Sanpachikamikita
Aoimori Tsugaru-North
Oshima-East
Ishikari-North
Iwate Southern Inland
Aoimori Shimokita
Aoimori Tsugaru-South
Tokachi-South
Tokachi-Central
Hidaka-Central
Hidaka-East
Sorachi-South
Hiyama Region
Iburi-East Central
Oshima-West
Ishikari-South
Ishikari-Central
Yamagata-Murayama
Akita Southern Inland
Iwate Northern Coast
Iwate Southern Coast
Miyagi-North
Miyagi-South
Miyagi-Central
Akita Northern Coast
Akita Southern Coast
Akita Northern Inland
Oshima-North
Shiribeshi-North
Shiribeshi-East
Sorachi-North
Sorachi-Central
Kamikawa-North
Nemuro-North
Kushiro-South Central
Tokachi-North
Fukushima-Hamadori
Hidaka-West
Iburi-West
Kamikawa-South
Saitama-South
Saitama-North
Ibaraki-South
Fukushima-Nakadori
Yamagata-Shonai
Yamagata-Mogami
Yamagata-Okitami
Nemuro-South
Nemuro-Central
Kushiro-North
Monbetsu
Kitami
Abashiri
Rumoi-South
Kamikawa-Central
Shiribeshi-West

Tsunami Advisory History
Severity Coastal Area Local Area Estimated Arrival Time Wave Height
18:25:00 JST 28 Mar 2023 - Original tsunami report
Slight sea level change Pacific coast of central Hokkaido 0.2 m

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
2022 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
2023 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
2024 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
2025 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

Information provided by the Japan Meteorological Agency.
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