J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
04:27:00 JST 01 May 2025 Off the coast of Iwate 40 3.4 39.9 N 142.4 E1 No tsunami alerts
07:35:00 JST 01 May 2025 Near the coast of Amami Oshima 30 3.5 28.8 N 129.9 E1 No tsunami alerts
12:54:00 JST 01 May 2025 Off the southwest of Hokkaido 10 3.7 42.4 N 139.1 E1 No tsunami alerts
10:44:00 JST 02 May 2025 Off the east coast of Osumi Peninsula 30 4.0 31.1 N 131.4 E1 No tsunami alerts
15:50:00 JST 02 May 2025 Near the coast of Okinawa Island 10 2.9 26.6 N 127.9 E1 No tsunami alerts
16:17:00 JST 02 May 2025 Nagano-North 0 2.1 36.5 N 137.9 E1 No tsunami alerts
16:32:00 JST 02 May 2025 Wakayama-South 40 2.8 33.6 N 135.4 E1 No tsunami alerts
12:35:00 JST 04 May 2025 Tokyo 23 Wards 80 4.1 35.7 N 139.8 E2 No tsunami alerts
13:44:00 JST 04 May 2025 Fukushima-Aizu 10 1.7 37.0 N 139.4 E1 No tsunami alerts
16:38:00 JST 04 May 2025 Off the coast of Fukushima 60 3.7 37.5 N 141.4 E1 No tsunami alerts
00:45:00 JST 05 May 2025 Shiga-North 40 3.0 35.4 N 136.2 E1 No tsunami alerts
01:34:00 JST 05 May 2025 Off the coast of Ibaraki 40 4.2 36.4 N 141.0 E2 No tsunami alerts
02:03:00 JST 05 May 2025 Kumamoto Region 10 2.9 32.5 N 130.6 E1 No tsunami alerts
06:26:00 JST 05 May 2025 Kii Channel 10 2.8 34.2 N 135.1 E1 No tsunami alerts
17:05:00 JST 05 May 2025 Mie-Central 20 2.7 34.7 N 136.5 E1 No tsunami alerts
20:57:00 JST 05 May 2025 Northern Wakayama 0 3.2 34.0 N 135.3 E2 No tsunami alerts
15:16:00 JST 06 May 2025 Northern Wakayama 0 2.1 34.0 N 135.2 E1 No tsunami alerts
17:31:00 JST 06 May 2025 Near the coast of Amami Oshima 0 3.2 28.2 N 129.1 E1 No tsunami alerts
18:06:00 JST 06 May 2025 Kumamoto-Amakusa/Ashikita 10 2.3 32.3 N 130.5 E1 No tsunami alerts
18:22:00 JST 06 May 2025 Off the coast of Miyagi 50 3.9 38.6 N 141.9 E1 No tsunami alerts
20:36:00 JST 06 May 2025 Off the coast of Fukushima 50 3.4 37.5 N 141.6 E1 No tsunami alerts
09:47:00 JST 07 May 2025 West Kanagawa 10 3.1 35.4 N 139.2 E2 No tsunami alerts
11:15:00 JST 07 May 2025 Off the SE coast of Tanegashima 10 4.4 29.9 N 131.4 E1 No tsunami alerts
22:08:00 JST 07 May 2025 Shimane-West 20 3.1 34.8 N 132.5 E1 No tsunami alerts
00:06:00 JST 08 May 2025 0 2.4 32.2 N 130.6 E1 No tsunami alerts
03:48:00 JST 08 May 2025 Off the coast of Fukushima 50 3.4 37.5 N 141.4 E1 No tsunami alerts
21:21:00 JST 08 May 2025 Fukushima-Nakadori 90 3.6 37.3 N 140.4 E1 No tsunami alerts
12:24:00 JST 09 May 2025 Off the coast of Tokachi 40 4.4 41.7 N 143.5 E2 No tsunami alerts
13:34:00 JST 09 May 2025 Off the west coast of Ishikawa 10 4.3 36.9 N 136.4 E2 No tsunami alerts
20:26:00 JST 09 May 2025 Kii Channel 10 2.7 34.1 N 135.1 E1 No tsunami alerts
20:45:00 JST 10 May 2025 Near the coast of Tokara Islands 60 4.4 29.7 N 130.0 E2 No tsunami alerts
21:43:00 JST 10 May 2025 Off the east coast of Aomori 110 3.8 40.9 N 141.6 E1 No tsunami alerts
02:17:00 JST 11 May 2025 10 3.7 41.0 N 139.2 E1 No tsunami alerts
07:15:00 JST 11 May 2025 Off the coast of Miyagi 70 3.2 38.8 N 141.6 E1 No tsunami alerts
09:48:00 JST 11 May 2025 Northern Wakayama 10 2.4 34.0 N 135.3 E1 No tsunami alerts
02:47:00 JST 12 May 2025 Osaka-South 10 2.2 34.3 N 135.2 E1 No tsunami alerts
06:03:00 JST 12 May 2025 Kochi-Central 30 3.4 33.5 N 133.5 E1 No tsunami alerts
06:25:00 JST 12 May 2025 Near the coast of Yonagunijima 30 4.5 24.7 N 122.4 E1 No tsunami alerts
23:54:00 JST 12 May 2025 Off the coast of Uraga 60 5.0 41.6 N 142.1 E3 No tsunami alerts
06:33:00 JST 13 May 2025 Iburi-East Central 130 4.3 42.6 N 142.0 E2 No tsunami alerts
08:33:00 JST 13 May 2025 Ibaraki-South 70 3.5 35.9 N 140.1 E2 No tsunami alerts
10:37:00 JST 13 May 2025 Fukushima-Nakadori 80 4.5 37.1 N 140.5 E3 No tsunami alerts
01:44:00 JST 14 May 2025 Off the coast of Miyagi 40 4.0 38.4 N 142.2 E1 No tsunami alerts
01:52:00 JST 14 May 2025 Off the west coast of Ogasawara Islands 470 5.7 27.4 N 140.6 E2 No tsunami alerts
11:19:00 JST 14 May 2025 Kumamoto Region 10 3.2 32.7 N 130.6 E2 No tsunami alerts
12:41:00 JST 14 May 2025 Kumamoto Region 10 2.3 32.7 N 130.6 E1 No tsunami alerts
15:02:00 JST 14 May 2025 Miyagi-North 10 2.9 38.9 N 140.9 E1 No tsunami alerts
17:32:00 JST 14 May 2025 Off the coast of Miyagi 40 4.2 38.3 N 142.2 E2 No tsunami alerts
17:51:00 JST 14 May 2025 Sagami Bay 10 3.0 35.1 N 139.1 E2 No tsunami alerts
18:00:00 JST 14 May 2025 10 2.4 35.0 N 139.1 E1 No tsunami alerts
02:05:00 JST 15 May 2025 Ibaraki-South 50 3.5 36.1 N 140.0 E2 No tsunami alerts
06:34:00 JST 15 May 2025 Near the coast of Tokara Islands 20 3.4 29.4 N 129.4 E2 No tsunami alerts
08:02:00 JST 15 May 2025 Kumamoto Region 0 1.9 32.7 N 130.7 E1 No tsunami alerts
09:04:00 JST 15 May 2025 Near the coast of Tokara Islands 20 2.3 29.4 N 129.5 E1 No tsunami alerts
09:45:00 JST 15 May 2025 Of the coast of Noto Peninsula 10 3.2 37.5 N 137.1 E1 No tsunami alerts
13:51:00 JST 15 May 2025 Ibaraki-South 50 2.9 36.1 N 140.0 E1 No tsunami alerts
14:05:00 JST 15 May 2025 Fukushima-Nakadori 10 3.8 37.1 N 140.6 E2 No tsunami alerts
22:05:00 JST 15 May 2025 Tokachi-Central 90 4.5 42.8 N 143.4 E4 No tsunami alerts
22:15:00 JST 16 May 2025 Off the coast of Kushiro 50 4.3 42.9 N 144.5 E2 No tsunami alerts
03:20:00 JST 17 May 2025 Off the west coast of Ishikawa 10 3.4 36.9 N 136.4 E1 No tsunami alerts
08:52:00 JST 17 May 2025 Chuetsu, Niigata 0 3.0 37.2 N 139.1 E2 No tsunami alerts
10:39:00 JST 17 May 2025 Near the coast of Amami Oshima 30 3.7 28.2 N 129.4 E1 No tsunami alerts
17:15:00 JST 17 May 2025 Tokachi-South 30 3.5 42.5 N 143.1 E2 No tsunami alerts
18:31:00 JST 17 May 2025 10 2.6 40.7 N 139.8 E1 No tsunami alerts
09:32:00 JST 18 May 2025 Off the SE coast of Nemuro Peninsula 30 4.5 43.0 N 146.5 E2 No tsunami alerts
10:19:00 JST 18 May 2025 Iwate Northern Inland 10 2.7 39.7 N 141.2 E1 No tsunami alerts
10:43:00 JST 18 May 2025 Chiba-Northeastern 40 2.9 35.9 N 140.5 E1 No tsunami alerts
03:37:00 JST 19 May 2025 Near the coast of Iwo Jima 130 4.8 25.6 N 141.4 E1 No tsunami alerts
12:14:00 JST 19 May 2025 Off the coast of Fukushima 10 4.7 37.2 N 141.3 E2 No tsunami alerts
20:35:00 JST 19 May 2025 Of the coast of Noto Peninsula 10 2.1 37.2 N 136.6 E1 No tsunami alerts
21:22:00 JST 19 May 2025 Off the coast of Iwate 20 3.5 39.7 N 142.3 E1 No tsunami alerts
05:16:00 JST 20 May 2025 Kamikawa-North 10 2.0 44.8 N 142.1 E1 No tsunami alerts
06:12:00 JST 20 May 2025 Near the coast of Tokara Islands 0 3.0 29.5 N 129.6 E1 No tsunami alerts
07:36:00 JST 20 May 2025 Near the coast of Tokara Islands 10 2.0 29.2 N 129.3 E1 No tsunami alerts
06:10:00 JST 21 May 2025 Ishakawa Noto 10 1.9 37.4 N 136.9 E1 No tsunami alerts
09:19:00 JST 21 May 2025 Mie-Northern 40 3.2 34.9 N 136.6 E1 No tsunami alerts
19:30:00 JST 21 May 2025 Kumamoto Region 10 2.8 32.7 N 130.6 E2 No tsunami alerts
20:49:00 JST 21 May 2025 Northern Wakayama 70 3.6 34.2 N 135.6 E1 No tsunami alerts
03:27:00 JST 22 May 2025 Iwate Northern Inland 10 2.5 40.2 N 141.1 E1 No tsunami alerts
15:33:00 JST 22 May 2025 Near the coast of Okinawa Island 60 4.0 26.1 N 126.8 E2 No tsunami alerts
03:46:00 JST 23 May 2025 Yamanashi Central West 10 2.5 35.8 N 138.7 E1 No tsunami alerts
06:28:00 JST 23 May 2025 Off the coast of Uraga 50 5.6 41.9 N 142.7 E4 No tsunami alerts
16:49:00 JST 23 May 2025 Bungo channel 60 3.1 33.2 N 131.9 E1 No tsunami alerts
23:44:00 JST 23 May 2025 Off the coast of Ibaraki 30 3.9 36.8 N 141.4 E1 No tsunami alerts
07:40:00 JST 24 May 2025 Near the coast of Okinawa Island 10 3.4 27.0 N 128.6 E1 No tsunami alerts
21:07:00 JST 24 May 2025 Tochigi-North 10 2.9 36.8 N 139.8 E1 No tsunami alerts
00:23:00 JST 25 May 2025 Nagano-South 10 2.5 35.9 N 137.6 E1 No tsunami alerts
00:31:00 JST 25 May 2025 Of the coast of Noto Peninsula 10 1.8 37.2 N 136.6 E1 No tsunami alerts
02:49:00 JST 25 May 2025 Off the coast of Uraga 60 3.3 41.6 N 142.0 E1 No tsunami alerts
09:56:00 JST 26 May 2025 Off the coast of Miyagi 30 4.5 38.5 N 142.0 E3 No tsunami alerts
14:41:00 JST 26 May 2025 Akita Northern Coast 10 3.1 40.4 N 140.3 E1 No tsunami alerts
17:47:00 JST 26 May 2025 Tokachi-South 50 5.3 42.3 N 143.1 E4 No tsunami alerts
23:30:00 JST 26 May 2025 Tokachi-South 50 4.4 42.3 N 143.1 E2 No tsunami alerts
00:33:00 JST 27 May 2025 Off the coast of Ibaraki 40 4.3 36.1 N 141.0 E2 No tsunami alerts
13:55:00 JST 27 May 2025 Off the west coast of Ishikawa 10 2.8 37.0 N 136.4 E1 No tsunami alerts
21:23:00 JST 27 May 2025 Off the east coast of Aomori 50 4.1 41.5 N 142.1 E2 No tsunami alerts
09:31:00 JST 28 May 2025 Off the east coast of Chiba 10 3.2 35.8 N 140.9 E1 No tsunami alerts
12:13:00 JST 28 May 2025 Fukushima-Aizu 0 2.1 37.0 N 139.4 E1 No tsunami alerts
15:49:00 JST 28 May 2025 Off the coast of Fukushima 90 3.7 37.0 N 141.0 E1 No tsunami alerts
19:52:00 JST 28 May 2025 Near the coast of Amami Oshima 30 3.5 28.2 N 129.5 E1 No tsunami alerts
03:27:00 JST 29 May 2025 Fukushima-Aizu 0 2.3 37.0 N 139.4 E1 No tsunami alerts
05:33:00 JST 29 May 2025 Fukushima-Aizu 10 1.9 37.1 N 139.4 E1 No tsunami alerts
06:15:00 JST 29 May 2025 Off the coast of Fukushima 50 3.6 37.1 N 141.2 E1 No tsunami alerts
14:26:00 JST 29 May 2025 Ibaraki-North 60 3.3 36.5 N 140.5 E1 No tsunami alerts
15:29:00 JST 29 May 2025 Gifu-Hida 10 4.5 36.0 N 137.3 E4 No tsunami alerts
16:21:00 JST 29 May 2025 Gifu-Hida 10 3.8 36.1 N 137.3 E2 No tsunami alerts
21:01:00 JST 29 May 2025 Gifu-Hida 10 3.2 36.1 N 137.3 E2 No tsunami alerts
21:16:00 JST 29 May 2025 Gifu-Hida 10 3.3 36.1 N 137.3 E1 No tsunami alerts
07:23:00 JST 30 May 2025 Off the east coast of Hokkaido 50 5.4 43.7 N 147.3 E3 No tsunami alerts
01:47:00 JST 31 May 2025 Off the coast of Miyagi 50 3.5 38.9 N 142.0 E1 No tsunami alerts
04:22:00 JST 31 May 2025 Off the coast of Uraga 50 3.7 41.6 N 142.1 E1 No tsunami alerts
05:02:00 JST 31 May 2025 Of the coast of Noto Peninsula 10 2.9 37.1 N 136.7 E3 No tsunami alerts
17:37:00 JST 31 May 2025 Off the coast of Kushiro 20 6.1 42.3 N 144.5 E4
17:49:00 JST 31 May 2025 Off the coast of Kushiro 20 4.4 42.3 N 144.6 E1 No tsunami alerts
20:15:00 JST 31 May 2025 Off the coast of Shikoku 40 3.5 33.5 N 134.9 E2 No tsunami alerts
20:37:00 JST 31 May 2025 Off the coast of Kushiro 20 4.7 42.4 N 144.6 E2 No tsunami alerts
21:29:00 JST 31 May 2025 Off the coast of Kushiro 20 4.7 42.3 N 144.5 E1 No tsunami alerts
23:47:00 JST 31 May 2025 Off the coast of Kushiro 20 4.3 42.3 N 144.6 E1 No tsunami alerts
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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