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Event ID: 20231009052500
Near the coast of Torishima
Time of Quake Magnitude Depth
05:25:00 JST 09 Oct 2023 0.0 0

Tsunami Advisory History
Severity Coastal Area Local Area Estimated Arrival Time Wave Height
06:40:00 JST 09 Oct 2023 - Original tsunami report
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
06:40:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
06:45:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
07:01:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
07:21:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
07:26:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Slight sea level change Southern Pacific coast of Chiba 0.2 m
Slight sea level change Chiba Uchibo 0.2 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
Slight sea level change Kochi 0.2 m
07:44:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Slight sea level change Southern Pacific coast of Chiba 0.2 m
Slight sea level change Chiba Uchibo 0.2 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
Slight sea level change Miyazaki 0.2 m
Slight sea level change Kagoshima-eastern 0.2 m
Slight sea level change Tanegashima/Yakushima 0.2 m
Slight sea level change Amami & Tokara Islands 0.2 m
07:45:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Slight sea level change Southern Pacific coast of Chiba 0.2 m
Slight sea level change Chiba Uchibo 0.2 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
Slight sea level change Miyazaki 0.2 m
Slight sea level change Kagoshima-eastern 0.2 m
Slight sea level change Tanegashima/Yakushima 0.2 m
Slight sea level change Amami & Tokara Islands 0.2 m
07:49:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Slight sea level change Southern Pacific coast of Chiba 0.2 m
Slight sea level change Chiba Uchibo 0.2 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
Slight sea level change Miyazaki 0.2 m
Slight sea level change Kagoshima-eastern 0.2 m
Slight sea level change Tanegashima/Yakushima 0.2 m
Slight sea level change Amami & Tokara Islands 0.2 m
07:51:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Southern Pacific coast of Chiba 1 m
Tsunami Advisory Chiba Uchibo 1 m
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
Slight sea level change Miyazaki 0.2 m
Slight sea level change Kagoshima-eastern 0.2 m
Slight sea level change Tanegashima/Yakushima 0.2 m
Slight sea level change Amami & Tokara Islands 0.2 m
07:52:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Southern Pacific coast of Chiba 1 m
Tsunami Advisory Chiba Uchibo 1 m
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
Slight sea level change Miyazaki 0.2 m
Slight sea level change Kagoshima-eastern 0.2 m
Slight sea level change Tanegashima/Yakushima 0.2 m
Slight sea level change Amami & Tokara Islands 0.2 m
07:54:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Southern Pacific coast of Chiba 1 m
Tsunami Advisory Chiba Uchibo 1 m
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
Slight sea level change Miyazaki 0.2 m
Slight sea level change Kagoshima-eastern 0.2 m
Slight sea level change Tanegashima/Yakushima 0.2 m
Slight sea level change Amami & Tokara Islands 0.2 m
08:09:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Southern Pacific coast of Chiba 1 m
Tsunami Advisory Chiba Uchibo 1 m
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
Slight sea level change Miyazaki 0.2 m
Slight sea level change Kagoshima-eastern 0.2 m
Slight sea level change Tanegashima/Yakushima 0.2 m
Slight sea level change Amami & Tokara Islands 0.2 m
08:24:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Southern Pacific coast of Chiba 1 m
Tsunami Advisory Chiba Uchibo 1 m
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Tsunami Advisory Miyazaki 1 m
Tsunami Advisory Kagoshima-eastern 1 m
Tsunami Advisory Tanegashima/Yakushima 1 m
Tsunami Advisory Amami & Tokara Islands 1 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
08:25:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Southern Pacific coast of Chiba 1 m
Tsunami Advisory Chiba Uchibo 1 m
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Tsunami Advisory Miyazaki 1 m
Tsunami Advisory Kagoshima-eastern 1 m
Tsunami Advisory Tanegashima/Yakushima 1 m
Tsunami Advisory Amami & Tokara Islands 1 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
08:30:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Southern Pacific coast of Chiba 1 m
Tsunami Advisory Chiba Uchibo 1 m
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Tsunami Advisory Miyazaki 1 m
Tsunami Advisory Kagoshima-eastern 1 m
Tsunami Advisory Tanegashima/Yakushima 1 m
Tsunami Advisory Amami & Tokara Islands 1 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
08:41:00 JST 09 Oct 2023 - Updated or additional information
Tsunami Advisory Southern Pacific coast of Chiba 1 m
Tsunami Advisory Chiba Uchibo 1 m
Tsunami Advisory Izu Islands 1 m
Tsunami Advisory Ogasawara Islands 1 m
Tsunami Advisory Kochi 1 m
Tsunami Advisory Miyazaki 1 m
Tsunami Advisory Kagoshima-eastern 1 m
Tsunami Advisory Tanegashima/Yakushima 1 m
Tsunami Advisory Amami & Tokara Islands 1 m
Slight sea level change Sagami Bay/Miura Peninsula 0.2 m
Slight sea level change Shizuoka 0.2 m
Slight sea level change Southern coast of Aichi 0.2 m
Slight sea level change Mie 0.2 m
Slight sea level change Wakayama 0.2 m
Slight sea level change Tokushima 0.2 m
12:00:00 JST 09 Oct 2023 - Tsunami advisory cancelled
12:02:00 JST 09 Oct 2023 - Updated or additional information
Slight sea level change Southern Pacific coast of Chiba m
Slight sea level change Chiba Uchibo m
Slight sea level change Izu Islands m
Slight sea level change Ogasawara Islands m
Slight sea level change Sagami Bay/Miura Peninsula m
Slight sea level change Shizuoka m
Slight sea level change Southern coast of Aichi m
Slight sea level change Mie m
Slight sea level change Wakayama m
Slight sea level change Tokushima m
Slight sea level change Kochi m
Slight sea level change Miyazaki m
Slight sea level change Kagoshima-eastern m
Slight sea level change Tanegashima/Yakushima m
Slight sea level change Amami & Tokara Islands 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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