J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
03:23:00 JST 01 Dec 2023 Tokachi-South 50 3.2 42.3 N 143.1 E1 No tsunami alerts
11:14:00 JST 01 Dec 2023 Ibaraki-South 50 3.9 36.1 N 139.9 E2 No tsunami alerts
12:52:00 JST 01 Dec 2023 Off the coast of Miyagi 60 4.5 38.0 N 141.8 E2 No tsunami alerts
14:09:00 JST 01 Dec 2023 Off the south coast of Wakayama 40 2.7 33.6 N 135.1 E1 No tsunami alerts
19:01:00 JST 01 Dec 2023 Hyuganada 30 3.2 31.9 N 131.9 E1 No tsunami alerts
04:06:00 JST 02 Dec 2023 Off the coast of Northwest Fukuoka 10 3.2 33.9 N 130.2 E1 No tsunami alerts
09:35:00 JST 02 Dec 2023 Iwate Northern Inland 110 3.7 39.7 N 140.9 E1 No tsunami alerts
12:28:00 JST 02 Dec 2023 Iwate Northern Coast 60 3.4 39.8 N 141.8 E1 No tsunami alerts
17:36:00 JST 02 Dec 2023 Off the coast of Miyagi 50 3.6 38.6 N 141.9 E1 No tsunami alerts
01:42:00 JST 03 Dec 2023 Kumamoto-Amakusa/Ashikita 10 2.9 32.2 N 130.5 E2 No tsunami alerts
23:37:00 JST 02 Dec 2023 Near the Philippines 0 7.7 8.6 N 126.4 EUnknTsunami alert issued
12:44:00 JST 03 Dec 2023 Iwate Northern Inland 10 3.1 40.2 N 141.2 E2 No tsunami alerts
13:18:00 JST 03 Dec 2023 Iwate Northern Inland 10 2.4 40.2 N 141.2 E1 No tsunami alerts
19:36:00 JST 03 Dec 2023 Near the Philippines 0 7.0 8.3 N 126.9 EUnkn
21:40:00 JST 03 Dec 2023 Aomori-Shimokita 10 2.2 41.3 N 141.3 E1 No tsunami alerts
00:35:00 JST 04 Dec 2023 Ibaraki-North 50 3.3 36.3 N 140.5 E1 No tsunami alerts
00:45:00 JST 04 Dec 2023 Ibaraki-North 50 3.4 36.3 N 140.5 E2 No tsunami alerts
01:59:00 JST 04 Dec 2023 Ishakawa Noto 10 3.2 37.5 N 137.3 E1 No tsunami alerts
17:40:00 JST 03 Dec 2023 0 0.0 0.4 N 100.5 EUnkn
04:50:00 JST 04 Dec 2023 Near the Philippines 0 7.0 8.9 N 127.1 EUnkn
06:44:00 JST 04 Dec 2023 Ehime-Nanyo 50 3.2 33.5 N 132.5 E1 No tsunami alerts
07:25:00 JST 04 Dec 2023 Near the coast of Niijima / Kouzujima 10 2.4 34.3 N 139.2 E1 No tsunami alerts
07:30:00 JST 04 Dec 2023 Near the coast of Niijima / Kouzujima 10 2.7 34.3 N 139.2 E1 No tsunami alerts
09:11:00 JST 04 Dec 2023 Near the coast of Niijima / Kouzujima 10 2.5 34.3 N 139.1 E1 No tsunami alerts
11:21:00 JST 04 Dec 2023 Sagami Bay 10 3.4 35.1 N 139.1 E3 No tsunami alerts
17:17:00 JST 04 Dec 2023 Toyama Bay 10 2.9 37.4 N 137.3 E2 No tsunami alerts
20:59:00 JST 04 Dec 2023 Chuetsu, Niigata 20 3.6 37.3 N 138.9 E2 No tsunami alerts
21:21:00 JST 04 Dec 2023 Iwate Northern Coast 60 3.3 39.9 N 141.9 E2 No tsunami alerts
02:08:00 JST 05 Dec 2023 Kii Channel 40 3.2 33.7 N 134.7 E1 No tsunami alerts
03:11:00 JST 05 Dec 2023 Ibaraki-South 60 3.4 36.3 N 140.1 E1 No tsunami alerts
08:35:00 JST 05 Dec 2023 Off the coast of Noto Peninsula 10 3.2 37.6 N 137.3 E1 No tsunami alerts
11:46:00 JST 05 Dec 2023 Chiba-Northeastern 30 2.8 35.4 N 140.3 E2 No tsunami alerts
12:48:00 JST 05 Dec 2023 Yamanashi East-Fuji 5 Lakes 20 2.6 35.5 N 139.0 E1 No tsunami alerts
17:54:00 JST 05 Dec 2023 Fukushima-Hamadori 90 3.6 36.9 N 140.8 E1 No tsunami alerts
03:30:00 JST 06 Dec 2023 Northern Wakayama 10 2.6 34.0 N 135.2 E1 No tsunami alerts
12:08:00 JST 06 Dec 2023 Ibaraki-South 70 3.5 36.1 N 140.0 E2 No tsunami alerts
19:16:00 JST 06 Dec 2023 Near the coast of Tokara Islands 10 1.8 29.9 N 130.0 E1 No tsunami alerts
15:58:00 JST 07 Dec 2023 Near the coast of Tokara Islands 10 2.7 29.9 N 130.1 E1 No tsunami alerts
21:57:00 JST 07 Dec 2023 0 7.3 20.7 N 169.2 EUnkn
03:53:00 JST 08 Dec 2023 Chiba-Northwestern 70 3.7 35.6 N 140.1 E1 No tsunami alerts
05:25:00 JST 08 Dec 2023 Near the coast of Tokara Islands 0 2.1 29.9 N 130.0 E1 No tsunami alerts
08:09:00 JST 08 Dec 2023 Fukushima-Aizu 10 2.4 37.0 N 139.4 E2 No tsunami alerts
10:09:00 JST 08 Dec 2023 Near the coast of Tokara Islands 20 2.0 29.8 N 130.1 E1 No tsunami alerts
18:58:00 JST 08 Dec 2023 Near the coast of Tokara Islands 10 2.4 29.9 N 130.0 E1 No tsunami alerts
20:31:00 JST 08 Dec 2023 60 3.3 31.2 N 131.0 E1 No tsunami alerts
23:03:00 JST 08 Dec 2023 Off the coast of Iwate 40 3.6 40.3 N 142.3 E1 No tsunami alerts
07:24:00 JST 09 Dec 2023 Miyagi-North 10 3.1 38.9 N 140.8 E2 No tsunami alerts
15:19:00 JST 09 Dec 2023 Near the coast of Yonagunijima 90 4.3 24.5 N 122.7 E1 No tsunami alerts
16:03:00 JST 09 Dec 2023 Off the south coast of the Boso Peninsula 60 4.7 34.5 N 140.3 E2 No tsunami alerts
09:49:00 JST 10 Dec 2023 Near the coast of Iwo Jima 180 5.3 24.8 N 141.2 E1 No tsunami alerts
21:17:00 JST 10 Dec 2023 Off the coast of Miyagi 60 3.5 38.4 N 141.9 E1 No tsunami alerts
21:28:00 JST 11 Dec 2023 Chiba-Northwestern 90 3.5 35.9 N 139.9 E1 No tsunami alerts
07:15:00 JST 12 Dec 2023 Off the coast of Iwate 40 3.6 40.2 N 142.3 E1 No tsunami alerts
12:37:00 JST 12 Dec 2023 Near the coast of Miyakojima 30 4.1 25.2 N 125.6 E1 No tsunami alerts
15:33:00 JST 12 Dec 2023 Near the coast of Miyakojima 20 3.4 24.8 N 125.3 E1 No tsunami alerts
18:14:00 JST 12 Dec 2023 Ishakawa Noto 10 3.3 37.5 N 137.2 E1 No tsunami alerts
11:02:00 JST 13 Dec 2023 Ibaraki-North 60 3.2 36.5 N 140.6 E1 No tsunami alerts
13:52:00 JST 13 Dec 2023 10 2.7 33.0 N 131.1 E2 No tsunami alerts
20:10:00 JST 13 Dec 2023 Tokachi-South 70 3.7 42.6 N 143.5 E2 No tsunami alerts
23:27:00 JST 13 Dec 2023 Rumoi-North Central 10 2.8 44.9 N 141.9 E1 No tsunami alerts
06:04:00 JST 14 Dec 2023 Near the coast of Tokara Islands 10 2.6 29.9 N 130.0 E1 No tsunami alerts
17:26:00 JST 14 Dec 2023 Fukui-Reinan 10 3.4 35.5 N 136.0 E1 No tsunami alerts
18:37:00 JST 14 Dec 2023 Off the east coast of Aomori 40 3.8 41.3 N 142.4 E1 No tsunami alerts
04:17:00 JST 15 Dec 2023 Nagano-Central 10 3.0 36.3 N 138.0 E1 No tsunami alerts
06:36:00 JST 15 Dec 2023 Hidaka-Central 0 2.8 42.3 N 142.6 E2 No tsunami alerts
18:04:00 JST 15 Dec 2023 Bungo channel 40 3.8 33.2 N 132.3 E2 No tsunami alerts
07:39:00 JST 16 Dec 2023 Off the east coast of Aomori 90 3.7 40.8 N 141.7 E1 No tsunami alerts
09:15:00 JST 16 Dec 2023 Off the coast of Iwate 50 4.0 39.6 N 142.1 E2 No tsunami alerts
11:44:00 JST 16 Dec 2023 Gifu Mino Midwest 10 3.9 36.0 N 136.9 E2 No tsunami alerts
14:09:00 JST 16 Dec 2023 Nemuro-North 20 2.7 43.8 N 144.9 E1 No tsunami alerts
17:58:00 JST 16 Dec 2023 Off the coast of Miyagi 60 3.3 38.4 N 141.8 E1 No tsunami alerts
00:47:00 JST 17 Dec 2023 Off the coast of Fukushima 40 3.9 37.5 N 141.4 E1 No tsunami alerts
05:33:00 JST 17 Dec 2023 10 3.9 34.5 N 130.6 E2 No tsunami alerts
14:11:00 JST 17 Dec 2023 Tochigi-South 60 4.3 36.3 N 139.8 E3 No tsunami alerts
16:57:00 JST 17 Dec 2023 130 3.6 35.3 N 139.7 E1 No tsunami alerts
18:22:00 JST 17 Dec 2023 Off the SE coast of Nemuro Peninsula 40 4.1 43.3 N 146.5 E1 No tsunami alerts
04:06:00 JST 18 Dec 2023 Tochigi-South 90 3.5 36.7 N 140.1 E1 No tsunami alerts
03:37:00 JST 19 Dec 2023 Kumamoto-Amakusa/Ashikita 10 2.0 32.2 N 130.5 E1 No tsunami alerts
13:29:00 JST 19 Dec 2023 Chuetsu, Niigata 10 2.5 37.2 N 138.9 E1 No tsunami alerts
13:56:00 JST 19 Dec 2023 Fukushima-Aizu 10 2.4 37.3 N 139.5 E1 No tsunami alerts
14:33:00 JST 19 Dec 2023 Chuetsu, Niigata 20 3.0 37.4 N 138.6 E1 No tsunami alerts
16:25:00 JST 19 Dec 2023 Off the coast of Ibaraki 60 3.3 36.5 N 140.7 E1 No tsunami alerts
21:57:00 JST 20 Dec 2023 Oita-Central 10 2.5 33.3 N 131.4 E2 No tsunami alerts
02:31:00 JST 21 Dec 2023 Off the coast of Miyagi 30 4.0 38.4 N 142.2 E1 No tsunami alerts
05:11:00 JST 21 Dec 2023 Off the coast of Noto Peninsula 10 3.7 37.6 N 137.4 E1 No tsunami alerts
10:59:00 JST 21 Dec 2023 Nagano-Central 0 2.5 36.2 N 138.0 E2 No tsunami alerts
20:29:00 JST 21 Dec 2023 Off the east coast of Chiba 20 4.8 35.3 N 141.1 E2 No tsunami alerts
22:36:00 JST 21 Dec 2023 Gunma-South 10 2.2 36.5 N 139.2 E1 No tsunami alerts
23:04:00 JST 21 Dec 2023 Off the east coast of Chiba 20 5.3 35.2 N 141.2 E2 No tsunami alerts
01:11:00 JST 22 Dec 2023 Off the east coast of Chiba 10 5.0 35.2 N 141.2 E2 No tsunami alerts
05:21:00 JST 22 Dec 2023 Iwate Northern Inland 10 2.3 40.2 N 141.2 E1 No tsunami alerts
05:45:00 JST 22 Dec 2023 Off the east coast of Chiba 10 5.1 35.2 N 141.1 E2 No tsunami alerts
06:06:00 JST 22 Dec 2023 Off the W coast of Satsuma Peninsula 10 3.3 31.8 N 128.2 E1 No tsunami alerts
10:45:00 JST 22 Dec 2023 Off the coast of Iwate 10 4.8 40.0 N 142.4 E3 No tsunami alerts
18:30:00 JST 22 Dec 2023 Off the coast of Uraga 60 3.9 42.0 N 142.6 E1 No tsunami alerts
18:37:00 JST 22 Dec 2023 Near the coast of Tokara Islands 0 2.8 29.2 N 129.3 E1 No tsunami alerts
13:37:00 JST 23 Dec 2023 10 2.6 32.7 N 130.1 E2 No tsunami alerts
14:49:00 JST 23 Dec 2023 10 2.0 32.7 N 130.1 E1 No tsunami alerts
19:11:00 JST 23 Dec 2023 Ibaraki-North 60 3.3 36.5 N 140.6 E1 No tsunami alerts
06:04:00 JST 24 Dec 2023 Off the SE coast of Nemuro Peninsula 40 3.4 43.0 N 145.8 E1 No tsunami alerts
08:07:00 JST 24 Dec 2023 Off the coast of Noto Peninsula 10 3.7 37.6 N 137.3 E1 No tsunami alerts
13:59:00 JST 24 Dec 2023 Near Izu-Oshima Island 40 2.7 35.0 N 139.6 E1 No tsunami alerts
18:58:00 JST 24 Dec 2023 Amakusanada 10 3.4 32.5 N 129.8 E2 No tsunami alerts
20:11:00 JST 24 Dec 2023 10 2.8 32.5 N 130.6 E1 No tsunami alerts
20:55:00 JST 24 Dec 2023 Tokachi-Central 110 3.8 42.9 N 143.2 E1 No tsunami alerts
03:31:00 JST 25 Dec 2023 Off the coast of Miyagi 50 3.8 37.9 N 141.6 E1 No tsunami alerts
04:42:00 JST 25 Dec 2023 Hyogo-Southeast 10 3.8 35.1 N 135.3 E3 No tsunami alerts
09:11:00 JST 25 Dec 2023 Off the coast of Ibaraki 40 3.2 36.4 N 141.0 E1 No tsunami alerts
11:58:00 JST 25 Dec 2023 Near the coast of Tokara Islands 10 1.9 30.0 N 130.0 E1 No tsunami alerts
13:48:00 JST 25 Dec 2023 Off the southeast coast of Mie 370 5.0 33.1 N 138.0 E1 No tsunami alerts
04:09:00 JST 26 Dec 2023 Mie-Northern 10 2.9 35.0 N 136.5 E1 No tsunami alerts
13:29:00 JST 26 Dec 2023 Akinada 50 3.2 33.9 N 132.5 E1 No tsunami alerts
15:30:00 JST 26 Dec 2023 Near the coast of Torishima 460 5.3 30.3 N 138.9 E1 No tsunami alerts
15:42:00 JST 26 Dec 2023 Gifu-Hida 10 3.0 36.0 N 137.5 E1 No tsunami alerts
21:13:00 JST 26 Dec 2023 Near the coast of Tokara Islands 10 3.6 29.1 N 129.1 E2 No tsunami alerts
21:21:00 JST 26 Dec 2023 Near the coast of Tokara Islands 10 2.7 29.1 N 129.2 E1 No tsunami alerts
21:49:00 JST 26 Dec 2023 Near the coast of Tokara Islands 10 2.9 29.2 N 129.1 E1 No tsunami alerts
22:28:00 JST 26 Dec 2023 Near the coast of Tokara Islands 10 2.7 29.2 N 129.1 E2 No tsunami alerts
22:41:00 JST 26 Dec 2023 Near the coast of Tokara Islands 10 2.6 29.2 N 129.1 E1 No tsunami alerts
23:02:00 JST 26 Dec 2023 Near the coast of Tokara Islands 10 3.0 29.2 N 129.1 E2 No tsunami alerts
23:26:00 JST 26 Dec 2023 Near the coast of Tokara Islands 10 3.0 29.2 N 129.0 E1 No tsunami alerts
00:02:00 JST 27 Dec 2023 Near the coast of Tokara Islands 10 3.0 29.2 N 129.1 E1 No tsunami alerts
00:07:00 JST 27 Dec 2023 Near the coast of Tokara Islands 10 2.7 29.2 N 129.1 E1 No tsunami alerts
00:16:00 JST 27 Dec 2023 Near the coast of Tokara Islands 10 2.5 29.2 N 129.2 E1 No tsunami alerts
02:00:00 JST 27 Dec 2023 Near the coast of Tokara Islands 10 4.1 29.2 N 129.1 E3 No tsunami alerts
02:07:00 JST 27 Dec 2023 Near the coast of Tokara Islands 10 2.4 29.1 N 129.2 E1 No tsunami alerts
05:17:00 JST 27 Dec 2023 Off the W coast of Satsuma Peninsula 0 3.0 31.4 N 130.1 E1 No tsunami alerts
07:53:00 JST 27 Dec 2023 Off the coast of Uraga 70 4.6 41.9 N 142.3 E3 No tsunami alerts
13:07:00 JST 27 Dec 2023 Near the coast of Tokara Islands 10 2.5 29.2 N 129.2 E1 No tsunami alerts
14:07:00 JST 27 Dec 2023 Off the W coast of Satsuma Peninsula 0 2.8 31.4 N 130.1 E1 No tsunami alerts
14:40:00 JST 27 Dec 2023 Near the coast of Tokara Islands 10 2.7 29.2 N 129.1 E1 No tsunami alerts
16:08:00 JST 27 Dec 2023 Off the coast of Fukushima 30 3.9 37.1 N 141.0 E2 No tsunami alerts
22:47:00 JST 27 Dec 2023 Ishakawa Noto 10 3.1 37.5 N 137.3 E1 No tsunami alerts
01:07:00 JST 28 Dec 2023 Near the coast of Tokara Islands 0 1.8 29.8 N 129.9 E1 No tsunami alerts
03:45:00 JST 28 Dec 2023 Near the coast of Okinawa Island 20 2.9 26.1 N 128.1 E1 No tsunami alerts
16:10:00 JST 28 Dec 2023 Off the coast of Ibaraki 40 3.5 36.4 N 141.1 E1 No tsunami alerts
17:56:00 JST 28 Dec 2023 Off the coast of Iwate 50 3.8 39.2 N 142.2 E1 No tsunami alerts
18:03:00 JST 28 Dec 2023 Gifu Mino Midwest 40 2.4 35.4 N 136.5 E1 No tsunami alerts
18:15:00 JST 28 Dec 2023 Off the southeast coast of Iturup 160 6.4 44.1 N 149.2 E3 No tsunami alerts
22:16:00 JST 28 Dec 2023 Off the east coast of Aomori 40 4.4 40.6 N 142.5 E2 No tsunami alerts
23:49:00 JST 28 Dec 2023 Near the coast of Amami Oshima 40 4.2 28.0 N 128.8 E2 No tsunami alerts
00:13:00 JST 29 Dec 2023 Toyama Bay 10 2.8 37.4 N 137.4 E1 No tsunami alerts
00:47:00 JST 29 Dec 2023 Tokushima-South 20 3.5 33.7 N 134.1 E1 No tsunami alerts
22:34:00 JST 29 Dec 2023 Near the coast of Okinawa Island 20 3.1 26.3 N 127.8 E1 No tsunami alerts
08:45:00 JST 30 Dec 2023 Akita Northern Coast 10 3.2 39.9 N 139.8 E1 No tsunami alerts
11:21:00 JST 30 Dec 2023 Near the coast of Tokara Islands 0 2.3 30.0 N 130.0 E1 No tsunami alerts
15:07:00 JST 30 Dec 2023 Hidaka-West 40 4.1 42.8 N 142.5 E1 No tsunami alerts
07:39:00 JST 31 Dec 2023 Off the coast of Iwate 30 3.9 39.9 N 142.3 E2 No tsunami alerts
23:37:00 JST 31 Dec 2023 Off the NE coast of Amami Oshima 10 4.6 28.3 N 131.0 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

Information provided by the Japan Meteorological Agency.
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