J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
00:52 JST 01 Feb 2021 Iwoto Kinkai 150km 5.7 22.5 N 143.6 E1 No tsunami alerts
03:42 JST 01 Feb 2021 Soya-chiho Hokubu 10km 2.8 44.9 N 142.1 E1 No tsunami alerts
16:17 JST 01 Feb 2021 Kumamoto-ken Kumamoto-chiho 10km 3.9 32.5 N 130.6 E2 No tsunami alerts
17:15 JST 01 Feb 2021 Nagano-ken Nambu 10km 2.5 35.6 N 137.9 E1 No tsunami alerts
17:34 JST 01 Feb 2021 Fukushima-ken Oki 30km 4.3 37.2 N 142.0 E1 No tsunami alerts
19:12 JST 01 Feb 2021 Kii-suido 10km 2.5 34.1 N 135.1 E1 No tsunami alerts
19:18 JST 01 Feb 2021 Nagano-ken Chubu 10km 3.1 36.2 N 137.7 E1 No tsunami alerts
19:45 JST 01 Feb 2021 Wakayama-ken Nambu 50km 3.1 33.8 N 135.4 E1 No tsunami alerts
20:41 JST 01 Feb 2021 Kii-suido 10km 2.8 34.2 N 135.1 E2 No tsunami alerts
23:30 JST 01 Feb 2021 Tokushima-ken Hokubu 10km 4.0 34.0 N 134.5 E3 No tsunami alerts
03:01 JST 02 Feb 2021 Tochigi-ken Hokubu 10km 4.0 36.6 N 139.4 E4 No tsunami alerts
13:39 JST 02 Feb 2021 Kii-suido 50km 3.3 33.8 N 135.0 E1 No tsunami alerts
15:45 JST 02 Feb 2021 Iwate-ken Nairiku-hokubu 10km 2.3 40.2 N 141.2 E1 No tsunami alerts
18:36 JST 02 Feb 2021 Fukushima-ken Oki 50km 3.9 37.7 N 141.8 E1 No tsunami alerts
13:06 JST 03 Feb 2021 Chiba-ken Hokutobu 30km 2.9 35.9 N 140.5 E1 No tsunami alerts
15:47 JST 03 Feb 2021 Miyagi-ken Oki 50km 3.8 38.6 N 141.9 E2 No tsunami alerts
12:40 JST 04 Feb 2021 Ibaraki-ken Oki 40km 4.2 36.6 N 141.1 E3 No tsunami alerts
13:57 JST 04 Feb 2021 Gifu-ken Hida-chiho very shallow 2.1 36.3 N 137.6 E1 No tsunami alerts
14:26 JST 04 Feb 2021 Iriomotejima Fukin 40km 3.6 24.1 N 123.6 E1 No tsunami alerts
04:28 JST 05 Feb 2021 Etorofuto Nanto-oki 30km 4.6 44.0 N 147.9 E1 No tsunami alerts
16:43 JST 05 Feb 2021 Miyagi-ken Oki 50km 3.5 38.6 N 141.9 E1 No tsunami alerts
17:47 JST 05 Feb 2021 Iriomotejima Fukin 40km 3.5 24.0 N 123.6 E1 No tsunami alerts
22:58 JST 05 Feb 2021 Ibaraki-ken Nambu 50km 3.2 36.1 N 139.9 E1 No tsunami alerts
03:08 JST 06 Feb 2021 Kumamoto-ken Amakusa-Ashikita-chiho 10km 2.4 32.2 N 130.0 E1 No tsunami alerts
04:02 JST 06 Feb 2021 Soya-chiho Hokubu 10km 3.4 44.9 N 142.1 E2 No tsunami alerts
04:10 JST 06 Feb 2021 Soya-chiho Hokubu 10km 4.1 44.9 N 142.1 E3 No tsunami alerts
04:35 JST 06 Feb 2021 Soya-chiho Hokubu 10km 2.8 44.9 N 142.1 E1 No tsunami alerts
10:37 JST 06 Feb 2021 Iwate-ken Nairiku-hokubu very shallow 2.5 39.9 N 141.0 E1 No tsunami alerts
12:51 JST 06 Feb 2021 Tokyo-wan 120km 3.5 35.4 N 139.9 E1 No tsunami alerts
14:10 JST 06 Feb 2021 Chiba-ken Hokuseibu 70km 4.3 35.8 N 140.1 E2 No tsunami alerts
01:13 JST 07 Feb 2021 Ibaraki-ken Nambu 50km 3.3 36.2 N 139.8 E1 No tsunami alerts
02:36 JST 07 Feb 2021 Yonagunijima Kinkai 110km 5.2 24.6 N 122.5 E2 No tsunami alerts
09:35 JST 07 Feb 2021 Nagano-ken Nambu 10km 2.6 35.9 N 138.1 E1 No tsunami alerts
12:08 JST 07 Feb 2021 Kumamoto-ken Kumamoto-chiho 10km 2.9 32.9 N 130.6 E1 No tsunami alerts
02:26 JST 08 Feb 2021 Kii-suido 50km 3.7 33.8 N 135.2 E2 No tsunami alerts
05:07 JST 08 Feb 2021 Kii-suido 10km 2.8 34.1 N 135.1 E1 No tsunami alerts
17:23 JST 08 Feb 2021 Etorofuto Nanto-oki very shallow 5.0 44.1 N 148.0 E1 No tsunami alerts
23:24 JST 08 Feb 2021 Kushiro Oki 50km 4.9 42.6 N 144.9 E2 No tsunami alerts
01:56 JST 09 Feb 2021 Taiwan and its Vicinity 70km 4.5 24.4 N 122.3 E1 No tsunami alerts
01:58 JST 09 Feb 2021 Taiwan and its Vicinity 30km 5.5 24.3 N 122.1 E1 No tsunami alerts
07:35 JST 09 Feb 2021 Hokkaido Toho-oki 70km 4.0 43.4 N 146.7 E2 No tsunami alerts
12:39 JST 09 Feb 2021 Tanegashima Nanto-oki 10km 4.7 29.9 N 131.3 E1 No tsunami alerts
14:36 JST 09 Feb 2021 Bungo-suido 30km 3.5 33.2 N 132.4 E1 No tsunami alerts
16:08 JST 09 Feb 2021 Torishima Kinkai 20km 5.3 31.4 N 140.8 E1 No tsunami alerts
09:30 JST 10 Feb 2021 Wakayama-ken Hokubu 10km 2.7 34.0 N 135.3 E1 No tsunami alerts
04:36 JST 11 Feb 2021 Okinawa-honto Hokusei-oki 100km 4.0 26.5 N 126.5 E1 No tsunami alerts
05:24 JST 11 Feb 2021 Fukushima-ken Aizu 10km 2.7 37.0 N 139.4 E2 No tsunami alerts
08:04 JST 11 Feb 2021 Tochigi-ken Hokubu 10km 2.4 36.6 N 139.4 E1 No tsunami alerts
12:40 JST 11 Feb 2021 Tokachi-chiho Chubu 110km 3.4 42.8 N 143.2 E1 No tsunami alerts
14:37 JST 11 Feb 2021 Tokushima-ken Hokubu 10km 3.1 34.1 N 134.5 E1 No tsunami alerts
21:49 JST 11 Feb 2021 Shizuoka-ken Tobu 10km 1.6 35.3 N 138.7 E1 No tsunami alerts
13:52 JST 12 Feb 2021 Tanegashima Nanto-oki 10km 4.6 29.9 N 131.5 E1 No tsunami alerts
00:46 JST 13 Feb 2021 Wakayama-ken Hokubu 10km 2.1 34.0 N 135.3 E1 No tsunami alerts
00:52 JST 13 Feb 2021 Ibaraki-ken Oki 40km 4.1 36.4 N 141.1 E2 No tsunami alerts
15:12 JST 13 Feb 2021 Iwate-ken Nairiku-hokubu 10km 2.8 39.9 N 141.0 E1 No tsunami alerts
19:52 JST 13 Feb 2021 Yamanashi-ken Chu-seibu 10km 3.6 35.7 N 138.5 E3 No tsunami alerts
23:08 JST 13 Feb 2021 Fukushima-ken Oki 60km 7.1 37.7 N 141.8 E6 upper  
23:08 JST 13 Feb 2021 Fukushima-ken Oki 60km 7.1 37.7 N 141.8 E6 upper  
23:23 JST 13 Feb 2021 Fukushima-ken Oki 50km 4.3 37.6 N 141.7 E1 No tsunami alerts
23:36 JST 13 Feb 2021 Fukushima-ken Oki 60km 4.7 37.6 N 141.7 E3 No tsunami alerts
23:45 JST 13 Feb 2021 Fukushima-ken Oki 40km 3.7 37.6 N 141.6 E1 No tsunami alerts
23:51 JST 13 Feb 2021 Fukushima-ken Oki 50km 5.1 37.6 N 141.6 E3 No tsunami alerts
23:55 JST 13 Feb 2021 Fukushima-ken Oki 50km 4.3 37.7 N 141.7 E1 No tsunami alerts
23:58 JST 13 Feb 2021 Fukushima-ken Oki 50km 4.4 37.6 N 141.8 E2 No tsunami alerts
00:05 JST 14 Feb 2021 Fukushima-ken Oki 30km 4.1 37.7 N 141.7 E2 No tsunami alerts
00:15 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.1 37.7 N 141.6 E2 No tsunami alerts
00:25 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.9 37.7 N 141.7 E1 No tsunami alerts
00:32 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.8 37.6 N 141.6 E1 No tsunami alerts
00:33 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.8 37.6 N 141.7 E1 No tsunami alerts
00:36 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.1 37.6 N 141.5 E2 No tsunami alerts
01:13 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.9 37.5 N 141.7 E1 No tsunami alerts
01:14 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.3 37.7 N 141.6 E2 No tsunami alerts
01:20 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.9 37.6 N 141.7 E1 No tsunami alerts
01:23 JST 14 Feb 2021 Fukushima-ken Oki 40km 3.6 37.6 N 141.7 E1 No tsunami alerts
01:33 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.4 37.7 N 141.6 E2 No tsunami alerts
01:51 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.9 37.6 N 141.7 E1 No tsunami alerts
01:53 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.0 37.6 N 141.6 E1 No tsunami alerts
02:01 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.0 37.7 N 141.6 E1 No tsunami alerts
02:36 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.0 37.7 N 141.8 E1 No tsunami alerts
02:50 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.7 37.6 N 141.6 E1 No tsunami alerts
03:25 JST 14 Feb 2021 Iwate-ken Oki 40km 5.1 39.1 N 142.5 E3 No tsunami alerts
04:10 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.8 37.7 N 141.8 E1 No tsunami alerts
05:57 JST 14 Feb 2021 Fukushima-ken Oki 60km 3.7 37.6 N 141.6 E1 No tsunami alerts
06:08 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.0 37.6 N 141.6 E1 No tsunami alerts
09:12 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.7 37.6 N 141.6 E1 No tsunami alerts
09:49 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.8 37.6 N 141.6 E1 No tsunami alerts
13:50 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.7 37.7 N 141.7 E1 No tsunami alerts
14:11 JST 14 Feb 2021 Fukushima-ken Oki 60km 4.4 37.6 N 141.7 E2 No tsunami alerts
14:54 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.3 37.6 N 141.6 E2 No tsunami alerts
16:19 JST 14 Feb 2021 Fukushima-ken Oki 60km 3.8 37.6 N 141.6 E1 No tsunami alerts
16:31 JST 14 Feb 2021 Fukushima-ken Oki 50km 5.2 37.5 N 141.5 E4 No tsunami alerts
16:59 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.3 37.6 N 141.7 E2 No tsunami alerts
17:48 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.1 37.6 N 141.6 E2 No tsunami alerts
18:05 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.5 37.5 N 141.5 E1 No tsunami alerts
18:27 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.5 37.5 N 141.6 E2 No tsunami alerts
19:41 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.2 37.7 N 141.7 E1 No tsunami alerts
19:45 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.8 37.6 N 141.6 E2 No tsunami alerts
20:41 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.1 37.6 N 141.7 E2 No tsunami alerts
21:29 JST 14 Feb 2021 Fukushima-ken Oki 50km 3.6 37.6 N 141.7 E1 No tsunami alerts
23:20 JST 14 Feb 2021 Fukushima-ken Oki 50km 4.0 37.6 N 141.7 E1 No tsunami alerts
23:31 JST 14 Feb 2021 Fukushima-ken Oki 60km 3.9 37.7 N 141.8 E1 No tsunami alerts
23:36 JST 14 Feb 2021 Kagoshima-ken Satsuma-chiho 10km 2.5 32.1 N 130.1 E1 No tsunami alerts
03:12 JST 15 Feb 2021 Fukushima-ken Oki 50km 3.9 37.6 N 141.6 E1 No tsunami alerts
04:03 JST 15 Feb 2021 Aichi-ken Seibu 40km 2.9 35.1 N 137.3 E1 No tsunami alerts
05:46 JST 15 Feb 2021 Wakayama-ken Hokubu very shallow 2.5 34.2 N 135.2 E2 No tsunami alerts
06:24 JST 15 Feb 2021 Ibaraki-ken Hokubu 80km 3.0 36.7 N 140.6 E1 No tsunami alerts
06:25 JST 15 Feb 2021 Fukushima-ken Oki 50km 4.0 37.5 N 141.5 E2 No tsunami alerts
07:32 JST 15 Feb 2021 Fukushima-ken Oki 50km 3.9 37.7 N 141.6 E1 No tsunami alerts
12:20 JST 15 Feb 2021 Fukushima-ken Oki 50km 3.5 37.5 N 141.5 E1 No tsunami alerts
13:00 JST 15 Feb 2021 Wakayama-ken Hokubu 10km 3.1 34.2 N 135.2 E2 No tsunami alerts
13:28 JST 15 Feb 2021 Wakayama-ken Hokubu 10km 4.1 34.2 N 135.2 E4 No tsunami alerts
13:45 JST 15 Feb 2021 Wakayama-ken Hokubu 10km 2.4 34.2 N 135.2 E1 No tsunami alerts
13:56 JST 15 Feb 2021 Wakayama-ken Hokubu 10km 2.3 34.2 N 135.3 E2 No tsunami alerts
14:00 JST 15 Feb 2021 Wakayama-ken Hokubu 10km 2.1 34.2 N 135.2 E1 No tsunami alerts
14:10 JST 15 Feb 2021 Wakayama-ken Hokubu 10km 2.9 34.2 N 135.2 E2 No tsunami alerts
14:17 JST 15 Feb 2021 Fukushima-ken Oki 50km 3.7 37.5 N 141.5 E1 No tsunami alerts
14:18 JST 15 Feb 2021 Wakayama-ken Hokubu 10km 2.2 34.2 N 135.2 E2 No tsunami alerts
14:33 JST 15 Feb 2021 Osaka-fu Nambu 10km 1.6 34.3 N 135.3 E1 No tsunami alerts
14:34 JST 15 Feb 2021 Wakayama-ken Hokubu very shallow 1.8 34.2 N 135.2 E1 No tsunami alerts
15:34 JST 15 Feb 2021 Wakayama-ken Hokubu very shallow 2.0 34.2 N 135.2 E1 No tsunami alerts
16:12 JST 15 Feb 2021 Wakayama-ken Hokubu very shallow 2.3 34.2 N 135.2 E1 No tsunami alerts
16:36 JST 15 Feb 2021 Ibaraki-ken Hokubu 80km 3.1 36.5 N 140.6 E1 No tsunami alerts
16:42 JST 15 Feb 2021 Wakayama-ken Hokubu very shallow 2.4 34.2 N 135.2 E1 No tsunami alerts
17:11 JST 15 Feb 2021 Fukushima-ken Oki 50km 3.7 37.7 N 141.6 E1 No tsunami alerts
17:37 JST 15 Feb 2021 Wakayama-ken Hokubu very shallow 1.9 34.2 N 135.2 E1 No tsunami alerts
20:27 JST 15 Feb 2021 Fukushima-ken Oki 50km 4.5 37.7 N 141.8 E2 No tsunami alerts
21:00 JST 15 Feb 2021 Fukushima-ken Oki 50km 4.4 37.6 N 141.7 E2 No tsunami alerts
21:26 JST 15 Feb 2021 Fukushima-ken Oki 50km 5.3 37.5 N 141.6 E3 No tsunami alerts
21:53 JST 15 Feb 2021 Fukushima-ken Oki 40km 3.8 37.5 N 141.6 E1 No tsunami alerts
23:57 JST 15 Feb 2021 Fukushima-ken Oki 50km 3.9 37.6 N 141.6 E1 No tsunami alerts
00:37 JST 16 Feb 2021 Chiba-ken Hokutobu 40km 2.9 35.5 N 140.4 E2 No tsunami alerts
00:42 JST 16 Feb 2021 Wakayama-ken Hokubu very shallow 2.0 34.2 N 135.2 E1 No tsunami alerts
02:03 JST 16 Feb 2021 Fukushima-ken Oki 50km 3.8 37.6 N 141.5 E1 No tsunami alerts
02:42 JST 16 Feb 2021 Wakayama-ken Hokubu very shallow 2.3 34.2 N 135.2 E2 No tsunami alerts
07:55 JST 16 Feb 2021 Wakayama-ken Hokubu 10km 2.0 34.2 N 135.2 E1 No tsunami alerts
08:16 JST 16 Feb 2021 Fukushima-ken Oki 50km 3.9 37.6 N 141.6 E1 No tsunami alerts
09:48 JST 16 Feb 2021 Fukushima-ken Oki 50km 4.0 37.6 N 141.6 E1 No tsunami alerts
16:07 JST 16 Feb 2021 Osaka-fu Nambu very shallow 1.5 34.3 N 135.2 E1 No tsunami alerts
22:59 JST 16 Feb 2021 Fukushima-ken Oki 50km 4.1 37.5 N 141.6 E1 No tsunami alerts
23:31 JST 16 Feb 2021 Fukushima-ken Oki 50km 3.9 37.7 N 141.7 E1 No tsunami alerts
07:07 JST 17 Feb 2021 Miyagi-ken Oki 50km 4.3 38.3 N 141.9 E2 No tsunami alerts
08:31 JST 17 Feb 2021 Fukushima-ken Oki 50km 3.7 37.6 N 141.6 E1 No tsunami alerts
12:32 JST 17 Feb 2021 Hyuga-nada 20km 3.5 32.1 N 132.1 E1 No tsunami alerts
14:27 JST 17 Feb 2021 Wakayama-ken Hokubu 10km 1.8 34.2 N 135.2 E1 No tsunami alerts
23:06 JST 17 Feb 2021 Fukushima-ken Oki 50km 4.5 37.6 N 141.6 E3 No tsunami alerts
01:46 JST 18 Feb 2021 Okinawa-honto Kinkai 40km 4.0 27.4 N 128.6 E3 No tsunami alerts
02:29 JST 18 Feb 2021 Fukushima-ken Oki 50km 3.6 37.6 N 141.6 E1 No tsunami alerts
03:58 JST 18 Feb 2021 Aichi-ken Seibu 40km 4.2 35.1 N 137.3 E3 No tsunami alerts
05:43 JST 18 Feb 2021 Yamaguchi-ken Hokubu 20km 2.7 34.3 N 131.4 E1 No tsunami alerts
07:52 JST 18 Feb 2021 Wakayama-ken Hokubu very shallow 1.7 34.2 N 135.2 E1 No tsunami alerts
11:52 JST 18 Feb 2021 Fukushima-ken Oki 50km 4.0 37.7 N 141.7 E2 No tsunami alerts
12:09 JST 18 Feb 2021 Ibaraki-ken Oki 40km 3.2 36.1 N 140.9 E1 No tsunami alerts
15:02 JST 18 Feb 2021 Fukushima-ken Oki 50km 4.5 37.6 N 141.7 E2 No tsunami alerts
16:01 JST 18 Feb 2021 Urakawa Oki 70km 4.1 42.0 N 142.5 E1 No tsunami alerts
16:51 JST 18 Feb 2021 Aomori-ken Toho-oki 50km 3.7 40.9 N 142.2 E2 No tsunami alerts
19:09 JST 18 Feb 2021 Miyakojima Kinkai 30km 4.2 24.3 N 125.2 E1 No tsunami alerts
19:37 JST 18 Feb 2021 Fukushima-ken Oki 50km 4.1 37.6 N 141.6 E2 No tsunami alerts
21:43 JST 18 Feb 2021 Fukushima-ken Oki 60km 4.3 37.5 N 141.6 E2 No tsunami alerts
00:11 JST 19 Feb 2021 Fukushima-ken Oki 60km 3.7 37.5 N 141.7 E1 No tsunami alerts
01:12 JST 19 Feb 2021 Shimane-ken Seibu 10km 2.9 35.1 N 132.4 E1 No tsunami alerts
05:07 JST 19 Feb 2021 Wakayama-ken Hokubu very shallow 1.8 34.2 N 135.2 E1 No tsunami alerts
10:01 JST 19 Feb 2021 Fukushima-ken Oki 50km 3.8 37.7 N 141.6 E1 No tsunami alerts
10:07 JST 19 Feb 2021 Fukushima-ken Oki 50km 4.7 37.7 N 141.6 E3 No tsunami alerts
10:24 JST 19 Feb 2021 Fukushima-ken Oki 50km 3.3 36.9 N 141.1 E1 No tsunami alerts
18:11 JST 19 Feb 2021 Iwate-ken Nairiku-hokubu 10km 3.9 40.2 N 141.2 E4 No tsunami alerts
19:12 JST 19 Feb 2021 Wakayama-ken Hokubu 10km 2.4 34.0 N 135.2 E1 No tsunami alerts
10:17 JST 20 Feb 2021 Miyagi-ken Oki 60km 4.1 38.3 N 141.6 E2 No tsunami alerts
12:26 JST 20 Feb 2021 Kumamoto-ken Kumamoto-chiho 10km 2.5 32.7 N 130.7 E1 No tsunami alerts
20:57 JST 20 Feb 2021 Ibaraki-ken Hokubu 10km 2.7 36.8 N 140.6 E1 No tsunami alerts
22:23 JST 20 Feb 2021 Hokkaido Toho-oki 50km 5.0 43.3 N 146.9 E3 No tsunami alerts
23:38 JST 20 Feb 2021 Kii-suido 10km 2.3 34.0 N 135.1 E1 No tsunami alerts
00:06 JST 21 Feb 2021 Hiroshima-ken Hokubu 10km 3.4 34.9 N 132.8 E2 No tsunami alerts
00:59 JST 21 Feb 2021 Fukushima-ken Oki 50km 3.5 37.6 N 141.5 E1 No tsunami alerts
23:28 JST 21 Feb 2021 Kagoshima-ken Satsuma-chiho 10km 2.5 32.0 N 130.3 E1 No tsunami alerts
10:56 JST 22 Feb 2021 Nemuro-hanto Nanto-oki 50km 4.3 43.1 N 145.8 E3 No tsunami alerts
11:23 JST 22 Feb 2021 Fukushima-ken Oki 50km 4.0 37.7 N 141.8 E1 No tsunami alerts
11:57 JST 22 Feb 2021 Wakayama-ken Hokubu 10km 3.2 34.2 N 135.2 E3 No tsunami alerts
04:42 JST 23 Feb 2021 Ibaraki-ken Hokubu 10km 3.1 36.6 N 140.6 E2 No tsunami alerts
06:22 JST 23 Feb 2021 Fukushima-ken Oki 50km 4.3 37.6 N 141.5 E2 No tsunami alerts
06:40 JST 23 Feb 2021 Fukushima-ken Oki 50km 4.0 37.7 N 141.7 E1 No tsunami alerts
07:05 JST 23 Feb 2021 Nagano-ken Hokubu 10km 2.8 36.5 N 138.0 E2 No tsunami alerts
09:36 JST 23 Feb 2021 Kii-suido 50km 3.4 33.8 N 135.0 E1 No tsunami alerts
09:52 JST 23 Feb 2021 Fukushima-ken Oki 50km 4.0 37.6 N 141.6 E1 No tsunami alerts
16:09 JST 23 Feb 2021 Iyo-nada 50km 4.1 33.6 N 132.2 E3 No tsunami alerts
00:56 JST 24 Feb 2021 Ibaraki-ken Nambu 50km 3.4 36.1 N 139.8 E1 No tsunami alerts
02:39 JST 24 Feb 2021 Fukushima-ken Oki 50km 3.9 37.5 N 141.6 E1 No tsunami alerts
08:35 JST 24 Feb 2021 Kagoshima-ken Satsuma-chiho 10km 2.8 32.1 N 130.2 E1 No tsunami alerts
09:54 JST 24 Feb 2021 Chiba-ken Nambu 70km 3.3 35.1 N 139.9 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