J1 Earthquake Early Warning
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Event ID: 20250602035202
Off the coast of Tokachi
Time of Quake Magnitude Depth
03:51:00 JST 02 Jun 2025 6.3 0

Tokachi-South
Tokachi-Central
Ishikari-North
Sorachi-South
Iburi-East Central
Hidaka-West
Hidaka-Central
Hidaka-East
Tokachi-North
Kushiro-South Central
Abashiri
Monbetsu
Kitami
Iburi-West
Kushiro-North
Nemuro-North
Nemuro-Central
Aoimori Tsugaru-North
Aoimori Sanpachikamikita
Aoimori Shimokita
Iwate Northern Inland
Kamikawa-South
Ishikari-Central
Ishikari-South
Oshima-East
Hiyama Region
Rumoi-South
Shiribeshi-North
Shiribeshi-East
Sorachi-North
Sorachi-Central
Kamikawa-North
Akita Northern Coast
Miyagi-Central
Miyagi-North
Iwate Southern Inland
Iwate Southern Coast
Iwate Northern Coast
Akita Southern Inland
Aoimori Tsugaru-South
Nemuro-South
Soya-North
Kamikawa-Central
Shiribeshi-West
Oshima-West
Oshima-North

Tsunami Advisory History
Severity Coastal Area Local Area Estimated Arrival Time Wave Height
03:58:00 JST 02 Jun 2025 - Original tsunami report
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 Iwate 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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