J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
08:58:00 JST 01 Feb 2023 Near the coast of Okinawa Island 70 3.1 26.5 N 127.1 E1 No tsunami alerts
11:57:00 JST 02 Feb 2023 Off the SE coast of Nemuro Peninsula 90 4.0 43.3 N 146.0 E1 No tsunami alerts
18:18:00 JST 02 Feb 2023 Off the coast of Miyagi 40 3.4 38.9 N 142.1 E1 No tsunami alerts
01:33:00 JST 03 Feb 2023 Near the coast of Chichijima 0 4.4 27.0 N 141.6 E1 No tsunami alerts
02:58:00 JST 03 Feb 2023 Off the coast of Miyagi 50 4.0 38.6 N 141.8 E2 No tsunami alerts
16:13:00 JST 05 Feb 2023 Saitama-South 80 3.5 35.9 N 139.8 E1 No tsunami alerts
03:53:00 JST 06 Feb 2023 Off the coast of Fukushima 50 3.9 37.5 N 141.5 E1 No tsunami alerts
05:52:00 JST 06 Feb 2023 10 2.8 32.7 N 130.7 E2 No tsunami alerts
10:17:00 JST 06 Feb 2023 0 7.8 37.2 N 37.0 EUnknNo tsunami alerts
14:21:00 JST 06 Feb 2023 0 1.7 35.0 N 139.0 E1 No tsunami alerts
19:24:00 JST 06 Feb 2023 0 7.5 38.0 N 37.2 EUnknNo tsunami alerts
01:55:00 JST 07 Feb 2023 Off the coast of Fukushima 50 3.8 37.7 N 141.6 E1 No tsunami alerts
09:58:00 JST 07 Feb 2023 Northern Wakayama 10 2.6 34.1 N 135.3 E1 No tsunami alerts
18:41:00 JST 07 Feb 2023 Ibaraki-North 110 3.9 36.6 N 140.3 E2 No tsunami alerts
20:42:00 JST 07 Feb 2023 Near the coast of Ishigakijima 50 3.7 24.3 N 124.1 E1 No tsunami alerts
15:39:00 JST 08 Feb 2023 Off the coast of Kushiro 50 4.3 43.0 N 145.4 E2 No tsunami alerts
15:47:00 JST 08 Feb 2023 Tochigi-North 10 2.6 36.6 N 139.5 E1 No tsunami alerts
17:26:00 JST 08 Feb 2023 Ishakawa Noto 10 3.1 37.5 N 137.2 E1 No tsunami alerts
18:02:00 JST 08 Feb 2023 0 2.3 32.7 N 130.7 E1 No tsunami alerts
19:33:00 JST 08 Feb 2023 Northern Wakayama 10 2.3 34.1 N 135.2 E1 No tsunami alerts
21:30:00 JST 08 Feb 2023 Rumoi-North Central 20 3.6 44.8 N 141.9 E3 No tsunami alerts
00:33:00 JST 09 Feb 2023 Gifu Mino Midwest 10 2.6 35.6 N 136.4 E1 No tsunami alerts
03:16:00 JST 09 Feb 2023 Off the coast of Uraga 40 3.6 42.1 N 142.8 E1 No tsunami alerts
14:59:00 JST 09 Feb 2023 Northern Wakayama 10 2.9 34.0 N 135.3 E2 No tsunami alerts
16:19:00 JST 09 Feb 2023 10 3.7 32.8 N 130.9 E3 No tsunami alerts
18:01:00 JST 09 Feb 2023 Miyagi-Central 110 3.3 38.6 N 141.5 E1 No tsunami alerts
19:23:00 JST 09 Feb 2023 Off the east coast of Aomori 30 4.0 41.0 N 142.9 E1 No tsunami alerts
22:16:00 JST 09 Feb 2023 Nagano-South 10 2.7 35.9 N 137.6 E2 No tsunami alerts
03:30:00 JST 10 Feb 2023 Soya-North 290 4.5 45.1 N 141.7 E1 No tsunami alerts
05:14:00 JST 10 Feb 2023 Gunma-South 10 2.7 36.5 N 139.4 E1 No tsunami alerts
11:01:00 JST 10 Feb 2023 Shimane-East 10 3.6 35.3 N 133.3 E2 No tsunami alerts
17:05:00 JST 10 Feb 2023 Near the coast of Niijima / Kouzujima 10 2.7 34.5 N 139.3 E1 No tsunami alerts
02:25:00 JST 11 Feb 2023 Ishakawa Noto 10 2.8 37.5 N 137.3 E1 No tsunami alerts
12:16:00 JST 11 Feb 2023 Off the SE coast of Nemuro Peninsula 40 3.4 43.1 N 146.2 E1 No tsunami alerts
16:38:00 JST 11 Feb 2023 10 3.2 32.8 N 130.7 E3 No tsunami alerts
19:41:00 JST 11 Feb 2023 10 2.8 32.8 N 130.8 E2 No tsunami alerts
19:57:00 JST 11 Feb 2023 0 2.2 32.8 N 130.8 E1 No tsunami alerts
15:46:00 JST 12 Feb 2023 Okayama-North 10 2.8 35.1 N 134.3 E1 No tsunami alerts
22:46:00 JST 12 Feb 2023 Bungo channel 10 3.7 33.1 N 132.1 E2 No tsunami alerts
01:13:00 JST 13 Feb 2023 Near the coast of Chichijima 60 3.9 26.5 N 142.3 E1 No tsunami alerts
03:44:00 JST 13 Feb 2023 Off the coast of Iwate 110 4.0 40.4 N 141.8 E1 No tsunami alerts
05:44:00 JST 13 Feb 2023 Akita Southern Inland 10 3.4 39.7 N 140.7 E2 No tsunami alerts
10:02:00 JST 13 Feb 2023 Off the coast of Fukushima 60 4.9 37.7 N 141.6 E3 No tsunami alerts
20:43:00 JST 13 Feb 2023 Near the coast of Tanegashima 50 3.4 30.2 N 130.6 E1 No tsunami alerts
01:41:00 JST 14 Feb 2023 Chiba-Northwestern 70 3.1 35.6 N 140.1 E1 No tsunami alerts
02:24:00 JST 14 Feb 2023 10 2.4 32.8 N 130.7 E1 No tsunami alerts
03:05:00 JST 14 Feb 2023 Off the east coast of Chiba 20 2.9 35.6 N 140.8 E1 No tsunami alerts
03:18:00 JST 14 Feb 2023 Off the coast of Kushiro 30 4.6 42.5 N 145.0 E2 No tsunami alerts
11:11:00 JST 14 Feb 2023 Toyama-East 10 2.8 36.5 N 137.6 E1 No tsunami alerts
23:01:00 JST 14 Feb 2023 Off the coast of Niigata Kaetsu 10 3.9 37.9 N 138.7 E2 No tsunami alerts
08:28:00 JST 15 Feb 2023 Off the coast of Fukushima 60 3.6 37.1 N 141.2 E1 No tsunami alerts
10:27:00 JST 15 Feb 2023 Off the coast of Miyagi 40 4.0 38.7 N 142.3 E2 No tsunami alerts
08:21:00 JST 16 Feb 2023 10 2.5 34.3 N 133.0 E1 No tsunami alerts
06:18:00 JST 17 Feb 2023 Nagano-South 20 2.6 35.5 N 138.0 E1 No tsunami alerts
10:46:00 JST 17 Feb 2023 Near the coast of Okinawa Island 10 5.1 26.5 N 128.8 E2 No tsunami alerts
12:59:00 JST 17 Feb 2023 Off the coast of Iwate 20 4.2 40.1 N 142.5 E2 No tsunami alerts
19:38:00 JST 17 Feb 2023 Off the coast of Northwest Fukuoka 10 4.3 34.1 N 130.4 E3 No tsunami alerts
04:08:00 JST 18 Feb 2023 Off the east coast of Hokkaido 40 4.2 43.6 N 147.3 E1 No tsunami alerts
17:40:00 JST 19 Feb 2023 Off the coast of Miyagi 50 3.4 38.3 N 141.7 E1 No tsunami alerts
17:50:00 JST 19 Feb 2023 Off the coast of Fukushima 50 4.0 37.1 N 141.1 E3 No tsunami alerts
03:55:00 JST 20 Feb 2023 Tokachi-Central 120 4.7 42.8 N 143.2 E3 No tsunami alerts
08:56:00 JST 20 Feb 2023 Off the coast of Miyagi 60 3.9 38.3 N 141.6 E1 No tsunami alerts
14:46:00 JST 20 Feb 2023 Oita-South 50 3.3 32.8 N 131.9 E2 No tsunami alerts
15:34:00 JST 20 Feb 2023 Nagano-North 10 3.3 36.7 N 138.4 E2 No tsunami alerts
07:47:00 JST 21 Feb 2023 Ishakawa Noto 10 3.4 37.5 N 137.2 E2 No tsunami alerts
08:39:00 JST 21 Feb 2023 Off the east coast of Chiba 30 3.4 35.4 N 140.4 E2 No tsunami alerts
14:41:00 JST 21 Feb 2023 Northern Wakayama 10 2.3 34.1 N 135.2 E1 No tsunami alerts
22:53:00 JST 21 Feb 2023 Ishakawa Noto 10 4.1 37.5 N 137.3 E3 No tsunami alerts
23:02:00 JST 21 Feb 2023 Ishakawa Noto 10 2.9 37.5 N 137.3 E1 No tsunami alerts
02:00:00 JST 22 Feb 2023 Off the northwest coast of Ishigaki Island 130 4.4 25.0 N 123.4 E1 No tsunami alerts
05:38:00 JST 22 Feb 2023 Off the coast of Uraga 60 3.6 42.1 N 142.7 E1 No tsunami alerts
09:32:00 JST 22 Feb 2023 Off the coast of Iwate 50 3.4 39.7 N 142.1 E1 No tsunami alerts
15:34:00 JST 22 Feb 2023 Hyogo-Southwest 10 2.7 34.8 N 134.7 E1 No tsunami alerts
23:40:00 JST 23 Feb 2023 Nagano-South 10 2.4 35.8 N 137.6 E1 No tsunami alerts
04:23:00 JST 24 Feb 2023 Off the coast of Iwate 50 3.8 39.6 N 142.1 E1 No tsunami alerts
04:39:00 JST 24 Feb 2023 Near Izu-Oshima Island 10 2.3 34.6 N 139.3 E1 No tsunami alerts
06:22:00 JST 24 Feb 2023 Off the coast of Uraga 60 3.6 42.0 N 142.6 E1 No tsunami alerts
13:17:00 JST 24 Feb 2023 Off the coast of Kushiro 50 3.1 43.0 N 145.4 E1 No tsunami alerts
16:15:00 JST 24 Feb 2023 Near Izu-Oshima Island 0 2.3 34.6 N 139.3 E1 No tsunami alerts
17:10:00 JST 24 Feb 2023 Iwate Northern Coast 60 3.7 39.8 N 141.8 E1 No tsunami alerts
09:48:00 JST 25 Feb 2023 Off the coast of Miyagi 40 3.8 38.9 N 142.1 E2 No tsunami alerts
11:19:00 JST 25 Feb 2023 Ibaraki-South 50 3.3 36.1 N 139.9 E1 No tsunami alerts
12:49:00 JST 25 Feb 2023 Off the southeast coast of Chiba 70 4.0 34.9 N 140.0 E1 No tsunami alerts
18:16:00 JST 25 Feb 2023 Near the coast of Miyakojima 60 4.2 24.6 N 124.9 E2 No tsunami alerts
19:25:00 JST 25 Feb 2023 Off the coast of NW Okinawa Main Island 20 4.8 27.1 N 126.7 E3 No tsunami alerts
22:27:00 JST 25 Feb 2023 Off the coast of Kushiro 60 6.1 42.8 N 145.1 E5 lower
09:28:00 JST 26 Feb 2023 Ishakawa Noto 10 4.2 37.5 N 137.3 E3 No tsunami alerts
12:53:00 JST 26 Feb 2023 Ishakawa Noto 10 3.4 37.5 N 137.3 E2 No tsunami alerts
18:51:00 JST 26 Feb 2023 Off the coast of Fukushima 40 4.0 37.4 N 141.4 E1 No tsunami alerts
03:58:00 JST 27 Feb 2023 Near Etorofu-to 120 4.0 44.5 N 146.7 E1 No tsunami alerts
10:23:00 JST 27 Feb 2023 Off the coast of Fukushima 40 4.0 37.4 N 141.8 E1 No tsunami alerts
10:57:00 JST 27 Feb 2023 Ishakawa Noto 10 2.9 37.5 N 137.3 E1 No tsunami alerts
11:45:00 JST 27 Feb 2023 Off the SE coast of Tanegashima 20 3.8 30.1 N 131.3 E1 No tsunami alerts
16:31:00 JST 27 Feb 2023 10 3.0 34.1 N 133.1 E1 No tsunami alerts
03:56:00 JST 28 Feb 2023 Off the coast of Miyagi 40 4.2 38.4 N 142.2 E2 No tsunami alerts
11:50:00 JST 28 Feb 2023 Ishakawa Noto 10 2.5 37.5 N 137.3 E1 No tsunami alerts
12:55:00 JST 28 Feb 2023 Off the coast of Ibaraki 40 4.5 35.9 N 140.9 E3 No tsunami alerts
13:07:00 JST 28 Feb 2023 Off the coast of Ibaraki 40 3.4 35.9 N 140.9 E1 No tsunami alerts
20:30:00 JST 28 Feb 2023 Near the coast of Amami Oshima 40 3.9 28.1 N 129.5 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