J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
01:11 JST 01 Feb 2020 Chiba-ken Hokutobu 50km 5.1 35.7 N 140.7 E3 No tsunami alerts
02:07 JST 01 Feb 2020 Ibaraki-ken Nambu 70km 5.3 36.0 N 140.1 E4 No tsunami alerts
03:07 JST 01 Feb 2020 Chiba-ken Nambu 90km 3.2 35.3 N 139.9 E1 No tsunami alerts
07:36 JST 01 Feb 2020 Iwate-ken Engan-hokubu 110km 2.9 40.4 N 141.6 E1 No tsunami alerts
17:21 JST 01 Feb 2020 Nemuro-hanto Nanto-oki 50km 4.2 43.0 N 145.9 E2 No tsunami alerts
22:10 JST 01 Feb 2020 Fukushima-ken Oki 50km 4.1 37.2 N 141.7 E1 No tsunami alerts
15:28 JST 02 Feb 2020 Yamanashi-ken Tobu-Fujigoko 180km 4.3 35.5 N 138.9 E1 No tsunami alerts
20:11 JST 02 Feb 2020 Amami-oshima Kinkai 30km 4.4 28.8 N 129.9 E2 No tsunami alerts
22:46 JST 02 Feb 2020 Kumamoto-ken Kumamoto-chiho 10km 3.1 32.4 N 130.7 E2 No tsunami alerts
04:54 JST 04 Feb 2020 Kushiro Oki 50km 3.8 42.9 N 145.5 E1 No tsunami alerts
23:22 JST 04 Feb 2020 Gifu-ken Hida-chiho 10km 2.5 36.0 N 137.5 E1 No tsunami alerts
01:39 JST 05 Feb 2020 Miyagi-ken Oki 50km 3.0 38.5 N 141.8 E1 No tsunami alerts
04:10 JST 05 Feb 2020 Ehime-ken Toyo very shallow 2.8 34.0 N 132.9 E1 No tsunami alerts
06:35 JST 05 Feb 2020 Fukushima-ken Oki 40km 4.5 36.7 N 141.9 E1 No tsunami alerts
10:00 JST 05 Feb 2020 Nemuro-hanto Nanto-oki 40km 4.2 43.2 N 146.1 E2 No tsunami alerts
14:29 JST 05 Feb 2020 Gifu-ken Hida-chiho 10km 2.5 36.1 N 137.5 E2 No tsunami alerts
14:30 JST 06 Feb 2020 Miyagi-ken Oki 50km 3.6 38.3 N 141.9 E1 No tsunami alerts
20:20 JST 06 Feb 2020 Ibaraki-ken Oki 40km 5.6 36.4 N 141.6 E2 No tsunami alerts
05:41 JST 07 Feb 2020 Miyagi-ken Oki 40km 3.4 38.9 N 142.1 E1 No tsunami alerts
08:41 JST 07 Feb 2020 Fukushima-ken Hamadori 70km 3.8 37.0 N 140.7 E2 No tsunami alerts
02:13 JST 08 Feb 2020 Satsuma-hanto Seiho-oki 20km 4.0 31.8 N 128.9 E1 No tsunami alerts
14:55 JST 08 Feb 2020 Kii-suido very shallow 2.8 34.2 N 135.1 E1 No tsunami alerts
06:58 JST 09 Feb 2020 Enshu-nada 10km 4.1 34.0 N 138.2 E1 No tsunami alerts
08:21 JST 09 Feb 2020 Tokushima-ken Nambu 10km 3.1 33.8 N 134.3 E1 No tsunami alerts
16:36 JST 09 Feb 2020 Chiba-ken Hokutobu 40km 4.0 35.9 N 140.5 E2 No tsunami alerts
23:34 JST 09 Feb 2020 Yamagata-ken Okitama-chiho 10km 3.2 37.8 N 140.1 E1 No tsunami alerts
12:22 JST 10 Feb 2020 Iwate-ken Nairiku-nambu 120km 3.6 38.9 N 141.3 E1 No tsunami alerts
14:03 JST 10 Feb 2020 Kagoshima-ken Satsuma-chiho 10km 2.4 31.9 N 130.8 E1 No tsunami alerts
06:11 JST 11 Feb 2020 Tokyo-to Tama-tobu 30km 3.2 35.6 N 139.4 E2 No tsunami alerts
22:02 JST 11 Feb 2020 Wakayama-ken Hokubu 10km 2.4 34.2 N 135.2 E2 No tsunami alerts
03:06 JST 12 Feb 2020 Hokkaido Toho-oki 30km 4.2 43.8 N 147.3 E1 No tsunami alerts
04:14 JST 12 Feb 2020 Yamagata-ken Okitama-chiho 120km 3.9 37.8 N 140.2 E1 No tsunami alerts
06:35 JST 12 Feb 2020 Nagano-ken Chubu 10km 2.4 36.3 N 138.0 E1 No tsunami alerts
18:52 JST 12 Feb 2020 Ibaraki-ken Hokubu 10km 2.9 36.8 N 140.6 E1 No tsunami alerts
19:37 JST 12 Feb 2020 Fukushima-ken Oki 80km 5.5 37.3 N 141.4 E4 No tsunami alerts
22:05 JST 12 Feb 2020 Ibaraki-ken Nambu 70km 3.3 36.0 N 140.1 E1 No tsunami alerts
00:17 JST 13 Feb 2020 Harima-nada 10km 2.7 34.7 N 134.4 E1 No tsunami alerts
11:04 JST 13 Feb 2020 Ibaraki-ken Hokubu 10km 3.0 36.6 N 140.6 E2 No tsunami alerts
12:55 JST 13 Feb 2020 Amami-oshima Kinkai 30km 4.1 27.6 N 129.1 E2 No tsunami alerts
19:34 JST 13 Feb 2020 Etorofuto Nanto-oki 160km 7.0 44.7 N 148.9 E4 No tsunami alerts
19:34 JST 13 Feb 2020 Etorofuto Nanto-oki 160km 7.0 44.7 N 148.9 E4 No tsunami alerts
07:25 JST 14 Feb 2020 Shimane-ken Seibu 10km 3.2 35.2 N 132.6 E1 No tsunami alerts
21:11 JST 14 Feb 2020 Miyazaki-ken Nambu-yamazoi 10km 2.4 31.7 N 131.1 E2 No tsunami alerts
09:14 JST 16 Feb 2020 Kumamoto-ken Kumamoto-chiho 10km 2.7 32.7 N 130.7 E2 No tsunami alerts
16:54 JST 16 Feb 2020 Ibaraki-ken Hokubu very shallow 2.2 36.7 N 140.5 E1 No tsunami alerts
22:46 JST 16 Feb 2020 Kunashirito Fukin very shallow 2.8 44.1 N 145.3 E1 No tsunami alerts
23:32 JST 16 Feb 2020 Aki-nada 50km 3.4 33.9 N 132.5 E1 No tsunami alerts
00:39 JST 17 Feb 2020 Kanagawa-ken Tobu 30km 2.8 35.6 N 139.5 E2 No tsunami alerts
12:40 JST 17 Feb 2020 Ibaraki-ken Nambu 50km 4.4 36.1 N 140.3 E3 No tsunami alerts
14:32 JST 17 Feb 2020 Iyo-nada 50km 3.2 33.6 N 132.4 E1 No tsunami alerts
11:08 JST 18 Feb 2020 Iwate-ken Oki 50km 3.4 39.2 N 142.1 E1 No tsunami alerts
12:45 JST 18 Feb 2020 Tanegashima Nanto-oki 30km 4.2 30.4 N 131.4 E1 No tsunami alerts
14:35 JST 18 Feb 2020 Urakawa Oki 70km 3.6 42.0 N 142.6 E1 No tsunami alerts
03:35 JST 19 Feb 2020 Iburi-chiho Chutobu 30km 2.7 42.6 N 142.0 E1 No tsunami alerts
04:15 JST 19 Feb 2020 Kumamoto-ken Kumamoto-chiho 10km 3.5 32.7 N 130.6 E2 No tsunami alerts
21:53 JST 19 Feb 2020 Fukushima-ken Nakadori 10km 3.7 37.1 N 140.4 E3 No tsunami alerts
23:58 JST 19 Feb 2020 Fukushima-ken Nakadori 10km 2.9 37.1 N 140.4 E1 No tsunami alerts
00:50 JST 20 Feb 2020 Kushiro-chiho Chunambu 10km 4.4 43.3 N 144.0 E3 No tsunami alerts
04:57 JST 20 Feb 2020 Nagano-ken Nambu very shallow 2.4 36.0 N 137.6 E1 No tsunami alerts
12:53 JST 20 Feb 2020 Chiba-ken Hokutobu 30km 4.5 35.4 N 140.3 E4 No tsunami alerts
15:33 JST 20 Feb 2020 Chiba-ken Toho-oki 20km 3.0 35.4 N 140.4 E2 No tsunami alerts
16:18 JST 20 Feb 2020 Yonagunijima Kinkai 30km 4.2 24.1 N 122.8 E1 No tsunami alerts
19:13 JST 20 Feb 2020 Fukui-ken Reihoku 10km 3.1 36.1 N 136.5 E1 No tsunami alerts
10:24 JST 21 Feb 2020 Amami-oshima Kinkai very shallow 3.2 28.2 N 129.9 E1 No tsunami alerts
16:15 JST 21 Feb 2020 Yamagata-ken Okitama-chiho 10km 3.0 37.8 N 140.1 E1 No tsunami alerts
20:31 JST 21 Feb 2020 Ibaraki-ken Oki 50km 3.6 36.5 N 141.0 E1 No tsunami alerts
00:22 JST 22 Feb 2020 Kagoshima-wan very shallow 3.1 31.3 N 130.6 E2 No tsunami alerts
07:38 JST 22 Feb 2020 Iwate-ken Oki 50km 3.7 40.4 N 142.2 E2 No tsunami alerts
10:45 JST 22 Feb 2020 Miyagi-ken Oki 40km 3.5 38.9 N 142.1 E1 No tsunami alerts
17:22 JST 22 Feb 2020 Tokara-retto Kinkai 10km 2.1 29.6 N 129.6 E1 No tsunami alerts
18:27 JST 22 Feb 2020 Iwate-ken Engan-hokubu 80km 2.9 40.4 N 141.6 E1 No tsunami alerts
20:47 JST 22 Feb 2020 Enshu-nada 10km 3.9 34.1 N 138.2 E1 No tsunami alerts
00:32 JST 23 Feb 2020 Kyoto-fu Nambu 10km 3.2 35.1 N 135.5 E1 No tsunami alerts
00:55 JST 23 Feb 2020 Hokkaido Nansei-oki 10km 3.7 41.3 N 139.8 E1 No tsunami alerts
18:49 JST 23 Feb 2020 Chiba-ken Nambu 80km 3.8 35.2 N 140.0 E1 No tsunami alerts
21:13 JST 23 Feb 2020 Ibaraki-ken Oki 30km 4.2 36.6 N 141.2 E2 No tsunami alerts
21:57 JST 23 Feb 2020 Etorofuto Fukin 160km 4.8 45.2 N 148.5 E2 No tsunami alerts
00:07 JST 24 Feb 2020 Nagano-ken Hokubu 10km 2.8 36.6 N 138.4 E1 No tsunami alerts
02:16 JST 24 Feb 2020 Tokara-retto Kinkai 10km 1.7 29.6 N 129.7 E1 No tsunami alerts
02:29 JST 24 Feb 2020 Boso-hanto Nampo-oki 70km 4.3 33.9 N 140.5 E1 No tsunami alerts
03:25 JST 24 Feb 2020 Tokara-retto Kinkai 10km 2.0 29.6 N 129.7 E2 No tsunami alerts
03:56 JST 24 Feb 2020 Tokara-retto Kinkai 10km 1.6 29.6 N 129.7 E1 No tsunami alerts
06:19 JST 24 Feb 2020 Tsugaru-kaikyo 10km 3.4 41.6 N 140.8 E2 No tsunami alerts
07:29 JST 24 Feb 2020 Iwate-ken Oki 50km 3.8 39.3 N 142.4 E1 No tsunami alerts
15:29 JST 24 Feb 2020 Chichijima Kinkai 20km 3.9 27.3 N 142.5 E1 No tsunami alerts
18:36 JST 24 Feb 2020 Aomori-ken Toho-oki 70km 3.3 41.5 N 142.1 E1 No tsunami alerts
12:12 JST 25 Feb 2020 Ibaraki-ken Nambu 50km 3.3 36.2 N 140.0 E2 No tsunami alerts
15:40 JST 25 Feb 2020 Sanriku Oki 10km 4.7 39.4 N 143.7 E1 No tsunami alerts
23:26 JST 25 Feb 2020 Kumamoto-ken Kumamoto-chiho 10km 2.3 32.7 N 130.7 E1 No tsunami alerts
02:59 JST 26 Feb 2020 Fukushima-ken Oki 30km 3.9 37.4 N 142.0 E1 No tsunami alerts
09:22 JST 26 Feb 2020 Satsuma-hanto Seiho-oki 150km 4.0 31.2 N 130.3 E1 No tsunami alerts
19:12 JST 26 Feb 2020 Chiba-ken Toho-oki 30km 3.0 35.4 N 140.4 E2 No tsunami alerts
19:34 JST 26 Feb 2020 Fukushima-ken Nakadori 10km 2.7 37.1 N 140.4 E1 No tsunami alerts
02:27 JST 27 Feb 2020 Boso-hanto Nampo-oki 60km 3.6 34.1 N 140.4 E1 No tsunami alerts
03:02 JST 27 Feb 2020 Miyagi-ken Oki 50km 3.7 38.9 N 141.9 E1 No tsunami alerts
05:19 JST 27 Feb 2020 Wakayama-ken Nambu 30km 2.9 33.5 N 135.8 E1 No tsunami alerts
19:12 JST 27 Feb 2020 Nagano-ken Hokubu 10km 2.7 36.6 N 138.3 E1 No tsunami alerts
05:41 JST 28 Feb 2020 Hyuga-nada 10km 3.9 32.0 N 132.2 E2 No tsunami alerts
06:47 JST 28 Feb 2020 Tochigi-ken Hokubu 10km 2.6 36.6 N 139.4 E1 No tsunami alerts
06:58 JST 29 Feb 2020 Ibaraki-ken Hokubu 90km 3.5 36.4 N 140.5 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