J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
03:06:00 JST 01 Jan 2023 Gifu Mino Midwest 10 2.9 35.7 N 136.8 E1 No tsunami alerts
22:59:00 JST 01 Jan 2023 Near the coast of Amami Oshima 40 3.3 28.2 N 129.5 E1 No tsunami alerts
14:20:00 JST 02 Jan 2023 Off the coast of Uraga 70 4.2 42.0 N 142.5 E2 No tsunami alerts
00:37:00 JST 03 Jan 2023 Hyuganada 30 3.4 31.8 N 131.6 E2 No tsunami alerts
03:22:00 JST 03 Jan 2023 Kuril Islands 10 5.5 45.2 N 151.5 E1 No tsunami alerts
03:47:00 JST 03 Jan 2023 Ibaraki-South 90 3.9 36.0 N 139.9 E2 No tsunami alerts
12:54:00 JST 03 Jan 2023 Off the east coast of Chiba 20 4.3 35.7 N 141.2 E1 No tsunami alerts
14:22:00 JST 03 Jan 2023 Hiroshima-Southwest 20 2.4 34.3 N 132.6 E1 No tsunami alerts
16:08:00 JST 03 Jan 2023 Off the coast of Iwate 20 4.9 40.2 N 142.6 E3 No tsunami alerts
06:34:00 JST 04 Jan 2023 Fukui-Reihoku 10 2.6 35.9 N 136.7 E1 No tsunami alerts
08:19:00 JST 04 Jan 2023 Off the coast of Miyagi 50 3.4 38.8 N 142.0 E1 No tsunami alerts
16:18:00 JST 04 Jan 2023 Gifu-Hida 10 2.1 36.1 N 137.4 E1 No tsunami alerts
19:18:00 JST 04 Jan 2023 Miyazaki-Southern Mountains 10 2.6 31.9 N 131.0 E2 No tsunami alerts
19:45:00 JST 04 Jan 2023 Soya-North 10 3.3 44.9 N 142.1 E1 No tsunami alerts
23:39:00 JST 04 Jan 2023 Ibaraki-South 60 3.1 36.2 N 139.8 E1 No tsunami alerts
16:53:00 JST 05 Jan 2023 Off the coast of Uraga 120 4.0 42.2 N 142.1 E1 No tsunami alerts
18:36:00 JST 05 Jan 2023 Ishakawa Noto 10 3.3 37.5 N 137.3 E1 No tsunami alerts
05:21:00 JST 06 Jan 2023 Chiba-Northeastern 50 3.0 35.9 N 140.5 E1 No tsunami alerts
10:41:00 JST 06 Jan 2023 Off the coast of Miyagi 60 3.5 38.3 N 141.6 E1 No tsunami alerts
13:44:00 JST 06 Jan 2023 Ishakawa Noto 10 4.6 37.5 N 137.3 E4
15:41:00 JST 06 Jan 2023 Off the coast of Fukushima 70 4.2 37.8 N 141.9 E1 No tsunami alerts
23:53:00 JST 06 Jan 2023 Ishakawa Noto 10 3.9 37.5 N 137.2 E3 No tsunami alerts
07:09:00 JST 07 Jan 2023 Fukushima-Aizu 10 1.8 37.0 N 139.4 E1 No tsunami alerts
07:27:00 JST 07 Jan 2023 Off the coast of Kushiro 70 4.3 42.2 N 145.1 E1 No tsunami alerts
07:56:00 JST 07 Jan 2023 Off the coast of Uraga 70 3.8 42.0 N 142.6 E1 No tsunami alerts
23:42:00 JST 07 Jan 2023 Off the coast of Fukushima 50 4.4 37.4 N 141.7 E2 No tsunami alerts
10:16:00 JST 08 Jan 2023 Off the coast of Fukushima 50 4.7 37.0 N 141.4 E3 No tsunami alerts
13:16:00 JST 08 Jan 2023 Off the coast of Ibaraki 50 3.5 36.8 N 140.9 E2 No tsunami alerts
21:33:00 JST 08 Jan 2023 0 7.2 15.1 N 166.7 EUnkn
21:28:00 JST 09 Jan 2023 Off the coast of Kushiro 90 3.6 42.9 N 145.2 E1 No tsunami alerts
02:47:00 JST 10 Jan 2023 100 7.6 7.1 N 130.0 EUnknNo tsunami alerts
17:04:00 JST 10 Jan 2023 Off the coast of Miyagi 50 3.9 38.6 N 141.9 E1 No tsunami alerts
17:56:00 JST 10 Jan 2023 Off the coast of Iwate 50 3.5 39.1 N 142.1 E1 No tsunami alerts
03:22:00 JST 11 Jan 2023 Fukushima-Nakadori 10 2.9 37.1 N 140.5 E1 No tsunami alerts
11:23:00 JST 11 Jan 2023 Ishakawa Noto 10 2.3 37.5 N 137.3 E1 No tsunami alerts
12:19:00 JST 11 Jan 2023 West Kanagawa 10 4.1 35.4 N 139.1 E3 No tsunami alerts
16:24:00 JST 11 Jan 2023 Miyagi-North 80 3.8 38.9 N 141.6 E1 No tsunami alerts
01:19:00 JST 12 Jan 2023 Off the east coast of Chiba 30 4.8 35.4 N 141.1 E2 No tsunami alerts
09:37:00 JST 12 Jan 2023 Near the coast of Amami Oshima 0 3.4 28.5 N 129.4 E1 No tsunami alerts
10:55:00 JST 12 Jan 2023 Near the coast of Niijima / Kouzujima 0 2.4 34.3 N 139.3 E1 No tsunami alerts
10:59:00 JST 12 Jan 2023 Near the coast of Niijima / Kouzujima 10 2.8 34.3 N 139.3 E1 No tsunami alerts
11:18:00 JST 12 Jan 2023 Northern Wakayama 0 1.7 34.2 N 135.2 E1 No tsunami alerts
15:46:00 JST 12 Jan 2023 Tomakomai Bay 110 3.5 42.2 N 141.3 E1 No tsunami alerts
20:40:00 JST 12 Jan 2023 Iwate Northern Inland 90 2.9 40.1 N 141.4 E1 No tsunami alerts
20:56:00 JST 12 Jan 2023 Near the coast of Niijima / Kouzujima 10 2.5 34.3 N 139.3 E1 No tsunami alerts
21:11:00 JST 12 Jan 2023 Near the coast of Niijima / Kouzujima 10 2.2 34.3 N 139.3 E1 No tsunami alerts
00:22:00 JST 13 Jan 2023 Kamikawa-North 10 3.1 44.0 N 142.4 E2 No tsunami alerts
03:58:00 JST 13 Jan 2023 Off the coast of Ibaraki 50 3.4 36.4 N 140.7 E2 No tsunami alerts
04:04:00 JST 13 Jan 2023 Off the east coast of Aomori 50 3.3 40.7 N 142.2 E1 No tsunami alerts
06:13:00 JST 13 Jan 2023 Ishakawa Noto 10 4.0 37.5 N 137.3 E2 No tsunami alerts
15:22:00 JST 13 Jan 2023 Kii Channel 10 2.6 34.1 N 135.1 E1 No tsunami alerts
20:01:00 JST 13 Jan 2023 Ishakawa Noto 10 3.0 37.5 N 137.3 E2 No tsunami alerts
00:02:00 JST 14 Jan 2023 Near Taiwan 30 4.9 24.0 N 122.3 E1 No tsunami alerts
02:16:00 JST 14 Jan 2023 Near the coast of Tokara Islands 10 2.5 29.6 N 129.7 E1 No tsunami alerts
02:29:00 JST 14 Jan 2023 Ibaraki-South 40 2.9 36.0 N 140.3 E1 No tsunami alerts
04:38:00 JST 14 Jan 2023 Ibaraki-South 30 2.9 36.0 N 140.4 E1 No tsunami alerts
10:22:00 JST 14 Jan 2023 Ishakawa Noto 10 3.8 37.5 N 137.3 E2 No tsunami alerts
14:31:00 JST 14 Jan 2023 Kamikawa-North 10 2.7 44.0 N 142.4 E1 No tsunami alerts
16:59:00 JST 14 Jan 2023 Near the coast of Tokara Islands 10 2.2 29.7 N 129.5 E1 No tsunami alerts
20:50:00 JST 14 Jan 2023 Near the coast of Amami Oshima 20 3.4 27.6 N 128.9 E2 No tsunami alerts
04:05:00 JST 15 Jan 2023 Near the coast of Tokara Islands 20 3.6 29.7 N 129.6 E2 No tsunami alerts
04:10:00 JST 15 Jan 2023 Near the coast of Tokara Islands 20 2.0 29.6 N 129.6 E1 No tsunami alerts
08:11:00 JST 15 Jan 2023 Near the coast of Tokara Islands 10 2.3 29.6 N 129.7 E1 No tsunami alerts
08:49:00 JST 15 Jan 2023 Miyazaki-Northern Mountains 20 2.3 32.5 N 131.5 E1 No tsunami alerts
10:09:00 JST 15 Jan 2023 10 2.8 33.0 N 131.1 E2 No tsunami alerts
20:37:00 JST 15 Jan 2023 Near the coast of Miyakojima 30 5.3 25.1 N 125.9 E2 No tsunami alerts
20:50:00 JST 15 Jan 2023 Ibaraki-South 60 3.0 36.0 N 140.2 E1 No tsunami alerts
22:42:00 JST 15 Jan 2023 Ishakawa Noto 10 2.2 37.5 N 137.3 E1 No tsunami alerts
01:25:00 JST 16 Jan 2023 Off the east coast of Aomori 40 4.5 41.0 N 142.4 E2 No tsunami alerts
02:00:00 JST 16 Jan 2023 Near the coast of Okinawa Island 60 3.5 26.3 N 127.0 E1 No tsunami alerts
03:37:00 JST 16 Jan 2023 Near the coast of Tokara Islands 10 2.3 29.6 N 129.5 E1 No tsunami alerts
12:17:00 JST 16 Jan 2023 Suonada 10 3.3 33.9 N 131.3 E2 No tsunami alerts
13:49:00 JST 16 Jan 2023 Off the west coast of Ogasawara Islands 400 6.1 28.9 N 139.7 E3 No tsunami alerts
21:10:00 JST 16 Jan 2023 Kushiro-South Central 120 3.7 43.3 N 144.5 E1 No tsunami alerts
02:14:00 JST 17 Jan 2023 Kamikawa-North 10 2.6 44.0 N 142.4 E1 No tsunami alerts
10:22:00 JST 17 Jan 2023 Miyazaki-Northern Mountains 10 2.6 32.5 N 131.5 E1 No tsunami alerts
10:26:00 JST 17 Jan 2023 Miyazaki-Northern Mountains 10 2.3 32.5 N 131.5 E1 No tsunami alerts
16:37:00 JST 17 Jan 2023 Kamikawa-North 10 4.4 44.0 N 142.4 E3 No tsunami alerts
21:59:00 JST 17 Jan 2023 Off the SE coast of Tanegashima 20 4.3 30.0 N 131.3 E1 No tsunami alerts
01:34:00 JST 18 Jan 2023 Iwate Northern Coast 60 3.3 39.8 N 141.8 E1 No tsunami alerts
03:16:00 JST 18 Jan 2023 Kamikawa-North 10 3.3 44.0 N 142.4 E2 No tsunami alerts
11:46:00 JST 18 Jan 2023 Northern Wakayama 10 2.3 33.9 N 135.2 E1 No tsunami alerts
12:26:00 JST 18 Jan 2023 Near the coast of Miyakojima 50 4.2 24.8 N 125.4 E2 No tsunami alerts
13:14:00 JST 18 Jan 2023 Off the coast of Niigata Chuetsu 10 2.3 37.2 N 138.2 E1 No tsunami alerts
13:33:00 JST 18 Jan 2023 Near the coast of Miyakojima 10 4.6 24.8 N 125.0 E3 No tsunami alerts
14:29:00 JST 18 Jan 2023 Off the coast of Miyagi 50 3.3 38.2 N 141.7 E1 No tsunami alerts
15:06:00 JST 18 Jan 2023 0 7.2 2.8 N 127.1 EUnkn
18:54:00 JST 18 Jan 2023 Near the coast of Miyakojima 10 3.6 24.9 N 125.0 E1 No tsunami alerts
10:41:00 JST 19 Jan 2023 Near the coast of Chichijima 10 4.7 26.1 N 143.4 E1 No tsunami alerts
15:30:00 JST 19 Jan 2023 Hyuganada 30 3.2 32.5 N 132.1 E1 No tsunami alerts
16:28:00 JST 19 Jan 2023 Off the coast of Ibaraki 40 3.8 36.5 N 141.2 E1 No tsunami alerts
17:07:00 JST 19 Jan 2023 Off the coast of Fukushima 40 3.5 37.4 N 141.6 E1 No tsunami alerts
21:24:00 JST 19 Jan 2023 Off the east coast of Aomori 20 4.2 41.2 N 142.6 E1 No tsunami alerts
01:11:00 JST 20 Jan 2023 Off the coast of Ibaraki 30 3.1 36.5 N 140.9 E1 No tsunami alerts
07:29:00 JST 20 Jan 2023 Hiroshima-North 10 3.4 35.0 N 132.9 E2 No tsunami alerts
14:48:00 JST 20 Jan 2023 Off the coast of Miyagi 50 4.9 38.9 N 142.1 E3 No tsunami alerts
19:16:00 JST 20 Jan 2023 Near the coast of Chichijima 20 4.4 26.9 N 142.8 E1 No tsunami alerts
20:13:00 JST 20 Jan 2023 Iwate Southern Inland 130 3.9 38.9 N 141.1 E1 No tsunami alerts
03:05:00 JST 21 Jan 2023 Off the coast of Fukushima 60 4.3 37.7 N 141.6 E2 No tsunami alerts
12:07:00 JST 21 Jan 2023 Off the NE coast of Amami Oshima 40 3.4 29.3 N 130.0 E1 No tsunami alerts
14:18:00 JST 21 Jan 2023 10 2.4 33.0 N 131.1 E1 No tsunami alerts
20:14:00 JST 21 Jan 2023 Off the coast of Fukushima 50 4.1 37.1 N 141.5 E2 No tsunami alerts
22:41:00 JST 21 Jan 2023 Ibaraki-North 50 3.7 36.4 N 140.6 E2 No tsunami alerts
00:25:00 JST 22 Jan 2023 Ishakawa Noto 10 2.2 37.5 N 137.3 E1 No tsunami alerts
09:22:00 JST 22 Jan 2023 Off the coast of Miyagi 60 3.4 38.5 N 141.7 E1 No tsunami alerts
10:58:00 JST 22 Jan 2023 Near the coast of Amami Oshima 10 4.0 28.1 N 130.6 E2 No tsunami alerts
11:13:00 JST 22 Jan 2023 10 2.7 32.7 N 130.6 E1 No tsunami alerts
13:40:00 JST 22 Jan 2023 Ishakawa Noto 10 2.9 37.5 N 137.3 E1 No tsunami alerts
22:16:00 JST 22 Jan 2023 Off the SE coast of Nemuro Peninsula 10 4.2 42.6 N 146.5 E1 No tsunami alerts
23:27:00 JST 22 Jan 2023 Ishakawa Noto 10 2.6 37.5 N 137.3 E1 No tsunami alerts
13:35:00 JST 23 Jan 2023 Near the coast of Miyakojima 40 4.3 24.3 N 125.2 E1 No tsunami alerts
18:02:00 JST 23 Jan 2023 Near the coast of Amami Oshima 30 3.2 28.2 N 129.2 E1 No tsunami alerts
04:57:00 JST 24 Jan 2023 10 2.3 32.7 N 130.6 E1 No tsunami alerts
05:02:00 JST 24 Jan 2023 Ibaraki-North 60 3.4 36.5 N 140.6 E1 No tsunami alerts
06:28:00 JST 24 Jan 2023 Ibaraki-North 10 2.8 36.8 N 140.6 E1 No tsunami alerts
07:57:00 JST 25 Jan 2023 Iyonada 40 3.2 33.7 N 132.6 E1 No tsunami alerts
10:00:00 JST 25 Jan 2023 Off the coast of Fukushima 50 4.9 37.6 N 141.7 E4 No tsunami alerts
14:17:00 JST 25 Jan 2023 Ibaraki-South 50 3.4 36.1 N 139.9 E2 No tsunami alerts
19:18:00 JST 25 Jan 2023 Ishakawa Noto 10 3.1 37.5 N 137.3 E1 No tsunami alerts
22:26:00 JST 25 Jan 2023 Sea of Ariake 10 2.9 32.8 N 130.6 E1 No tsunami alerts
10:51:00 JST 26 Jan 2023 East Kanagawa 20 2.4 35.4 N 139.4 E1 No tsunami alerts
10:51:00 JST 27 Jan 2023 Near the coast of Chichijima 30 4.7 26.9 N 142.9 E1 No tsunami alerts
13:28:00 JST 27 Jan 2023 Off the coast of Fukushima 50 3.6 37.1 N 141.4 E1 No tsunami alerts
13:49:00 JST 27 Jan 2023 Gifu Mino Midwest 10 3.0 35.3 N 136.5 E1 No tsunami alerts
13:50:00 JST 27 Jan 2023 Gifu Mino Midwest 10 2.7 35.3 N 136.5 E1 No tsunami alerts
15:03:00 JST 27 Jan 2023 Off the coast of Fukushima 50 4.2 37.8 N 141.6 E2 No tsunami alerts
09:18:00 JST 29 Jan 2023 Northern Wakayama 10 2.7 34.0 N 135.2 E1 No tsunami alerts
12:07:00 JST 29 Jan 2023 Ibaraki-North 50 2.9 36.3 N 140.5 E1 No tsunami alerts
21:19:00 JST 29 Jan 2023 West Kanagawa 150 4.8 35.3 N 139.3 E3 No tsunami alerts
09:32:00 JST 30 Jan 2023 Tochigi-South 70 3.5 36.4 N 139.9 E1 No tsunami alerts
18:16:00 JST 30 Jan 2023 Toyama-West 10 3.4 36.5 N 136.8 E2 No tsunami alerts
04:15:00 JST 31 Jan 2023 Off the coast of Miyagi 40 4.3 37.8 N 142.0 E2 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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