J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
03:37 JST 01 May 2017 Iriomotejima Fukin 20 km 4.1 24.2 N 123.8 E2 No tsunami alerts
03:49 JST 01 May 2017 Kyushu-chiho Nanto-oki 30 km 3.9 30.7 N 131.6 E1 No tsunami alerts
06:24 JST 01 May 2017 Tokachi-chiho Nambu 100 km 4.0 42.6 N 143.1 E2 No tsunami alerts
11:51 JST 01 May 2017 Tochigi-ken Nambu 110 km 3.6 36.6 N 140.1 E1 No tsunami alerts
22:50 JST 01 May 2017 Wakayama-ken Hokubu 10 km 2.3 34.1 N 135.2 E1 No tsunami alerts
03:18 JST 02 May 2017 Miyagi-ken Oki 50 km 3.4 38.9 N 141.9 E1 No tsunami alerts
06:25 JST 02 May 2017 Okinawa-honto Kinkai 10 km 3.0 26.6 N 127.9 E1 No tsunami alerts
07:47 JST 02 May 2017 Fukushima-ken Oki 30 km 3.9 37.5 N 141.7 E1 No tsunami alerts
14:24 JST 02 May 2017 Kagoshima-wan 10 km 2.7 31.4 N 130.6 E1 No tsunami alerts
15:58 JST 02 May 2017 Hyuga-nada 20 km 3.3 32.4 N 132.2 E1 No tsunami alerts
19:29 JST 02 May 2017 Tomakomai Oki 70 km 3.8 41.6 N 141.9 E2 No tsunami alerts
23:19 JST 02 May 2017 Ibaraki-ken Nambu 50 km 3.1 36.2 N 140.0 E1 No tsunami alerts
00:01 JST 03 May 2017 Kochi-ken Tobu 40 km 3.6 33.5 N 134.0 E2 No tsunami alerts
22:19 JST 03 May 2017 Shizuoka-ken Tobu very shallow 2.5 35.3 N 139.0 E2 No tsunami alerts
06:20 JST 04 May 2017 Fukushima-ken Nakadori 10 km 3.6 37.1 N 140.6 E2 No tsunami alerts
08:32 JST 04 May 2017 Fukushima-ken Nakadori 10 km 3.1 37.1 N 140.6 E1 No tsunami alerts
13:08 JST 04 May 2017 Amakusa-nada 10 km 3.4 32.5 N 129.9 E2 No tsunami alerts
13:44 JST 04 May 2017 Osumi-hanto Toho-oki 30 km 4.4 30.8 N 131.6 E2 No tsunami alerts
14:22 JST 04 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 4.1 32.7 N 130.8 E4 No tsunami alerts
03:03 JST 05 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.6 32.8 N 130.7 E2 No tsunami alerts
04:20 JST 05 May 2017 Hokkaido Toho-oki 40 km 4.0 43.6 N 146.9 E1 No tsunami alerts
07:35 JST 05 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.3 32.8 N 130.7 E2 No tsunami alerts
12:26 JST 05 May 2017 Nagano-ken Hokubu 10 km 3.0 36.5 N 137.9 E2 No tsunami alerts
14:27 JST 05 May 2017 Seto-naikai Chubu 10 km 3.7 34.1 N 133.1 E2 No tsunami alerts
16:09 JST 05 May 2017 Nagano-ken Hokubu very shallow 2.8 36.5 N 137.9 E2 No tsunami alerts
19:52 JST 05 May 2017 Aomori-ken Toho-oki 70 km 3.7 41.5 N 142.1 E1 No tsunami alerts
00:54 JST 06 May 2017 Nagano-ken Hokubu very shallow 1.3 36.5 N 137.9 E1 No tsunami alerts
03:50 JST 06 May 2017 Niigata-ken Chuetsu-chiho 10 km 2.7 36.8 N 138.7 E1 No tsunami alerts
14:47 JST 06 May 2017 Aichi-ken Seibu 20 km 2.9 35.1 N 136.8 E1 No tsunami alerts
17:19 JST 06 May 2017 Iwate-ken Engan-hokubu 60 km 4.0 39.8 N 141.8 E2 No tsunami alerts
20:41 JST 06 May 2017 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.6 E1 No tsunami alerts
21:53 JST 06 May 2017 Fukushima-ken Hamadori 10 km 3.0 37.0 N 140.6 E1 No tsunami alerts
23:23 JST 06 May 2017 Hachijojima Toho-oki 50 km 4.9 33.3 N 140.8 E2 No tsunami alerts
05:00 JST 07 May 2017 Ibaraki-ken Oki 40 km 4.0 36.5 N 141.2 E2 No tsunami alerts
12:13 JST 07 May 2017 Nagano-ken Chubu 10 km 3.0 36.2 N 138.0 E1 No tsunami alerts
12:32 JST 07 May 2017 Nagano-ken Chubu 10 km 3.8 36.2 N 138.0 E3 No tsunami alerts
13:20 JST 07 May 2017 Chiba-ken Toho-oki 10 km 2.8 35.7 N 141.0 E1 No tsunami alerts
14:12 JST 07 May 2017 Gifu-ken Mino-chuseibu 10 km 2.9 35.4 N 136.8 E1 No tsunami alerts
19:21 JST 07 May 2017 Miyagi-ken Oki 40 km 3.9 38.9 N 142.4 E1 No tsunami alerts
21:15 JST 07 May 2017 Ishikari-chiho Chubu 10 km 2.0 43.0 N 141.4 E1 No tsunami alerts
21:28 JST 07 May 2017 Kumamoto-ken Kumamoto-chiho very shallow 2.3 32.6 N 130.7 E1 No tsunami alerts
21:36 JST 07 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.8 32.6 N 130.7 E3 No tsunami alerts
23:15 JST 07 May 2017 Kumamoto-ken Kumamoto-chiho very shallow 2.7 32.7 N 131.1 E2 No tsunami alerts
11:52 JST 08 May 2017 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.6 E1 No tsunami alerts
11:57 JST 08 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 3.0 32.6 N 130.7 E1 No tsunami alerts
12:33 JST 08 May 2017 Fukushima-ken Aizu 10 km 3.1 37.4 N 139.7 E1 No tsunami alerts
13:57 JST 08 May 2017 Wakayama-ken Hokubu 10 km 2.5 34.0 N 135.3 E2 No tsunami alerts
10:54 JST 09 May 2017 Miyakojima Kinkai 10 km 6.4 24.2 N 126.5 E3  
11:06 JST 09 May 2017 Miyakojima Kinkai 10 km 5.0 24.5 N 126.4 E1 No tsunami alerts
13:22 JST 09 May 2017 Izu-ohshima Kinkai very shallow 2.1 34.7 N 139.3 E1 No tsunami alerts
23:28 JST 09 May 2017 Izu-ohshima Kinkai very shallow 1.4 34.7 N 139.4 E1 No tsunami alerts
04:16 JST 10 May 2017 Miyakojima Hokusei-oki 110 km 5.0 25.8 N 125.0 E2 No tsunami alerts
05:18 JST 10 May 2017 Shimane-ken Tobu 10 km 3.3 35.2 N 132.7 E2 No tsunami alerts
10:17 JST 10 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 3.2 32.7 N 130.7 E2 No tsunami alerts
19:42 JST 10 May 2017 Miyakojima Kinkai 10 km 4.5 24.2 N 126.4 E1 No tsunami alerts
23:11 JST 10 May 2017 Gifu-ken Mino-chuseibu 40 km 4.0 35.4 N 136.9 E2 No tsunami alerts
02:56 JST 11 May 2017 Aomori-ken Toho-oki 40 km 3.7 40.6 N 142.2 E1 No tsunami alerts
08:09 JST 11 May 2017 Bungo-suido 40 km 3.3 33.2 N 132.2 E2 No tsunami alerts
14:19 JST 11 May 2017 Kagoshima-wan very shallow 2.9 31.3 N 130.6 E2 No tsunami alerts
15:44 JST 11 May 2017 Hokkaido Nansei-oki 10 km 3.9 41.7 N 138.9 E1 No tsunami alerts
20:21 JST 11 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 4.3 32.7 N 130.6 E4 No tsunami alerts
20:24 JST 11 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.5 32.7 N 130.6 E1 No tsunami alerts
20:35 JST 11 May 2017 Tottori-ken Chubu 10 km 2.3 35.4 N 133.8 E1 No tsunami alerts
05:54 JST 12 May 2017 Miyakojima Kinkai 50 km 4.3 24.8 N 125.4 E3 No tsunami alerts
11:50 JST 12 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 3.0 32.8 N 130.8 E2 No tsunami alerts
13:35 JST 12 May 2017 Miyagi-ken Oki 50 km 3.6 38.6 N 141.9 E1 No tsunami alerts
14:10 JST 12 May 2017 Kumamoto-ken Aso-chiho 10 km 2.5 33.0 N 131.1 E1 No tsunami alerts
15:00 JST 12 May 2017 Kumamoto-ken Aso-chiho 10 km 2.2 33.0 N 131.1 E1 No tsunami alerts
19:52 JST 12 May 2017 Kumamoto-ken Kumamoto-chiho very shallow 2.6 32.6 N 130.7 E1 No tsunami alerts
21:23 JST 12 May 2017 Fukushima-ken Oki 20 km 3.7 37.1 N 141.2 E1 No tsunami alerts
11:16 JST 13 May 2017 Kumamoto-ken Aso-chiho 10 km 2.7 33.0 N 131.1 E1 No tsunami alerts
20:31 JST 13 May 2017 Ishikawa-ken Kaga-chiho 10 km 2.7 36.5 N 136.7 E1 No tsunami alerts
22:22 JST 13 May 2017 Chiba-ken Toho-oki 30 km 2.8 35.7 N 140.9 E1 No tsunami alerts
02:01 JST 14 May 2017 Kumamoto-ken Aso-chiho 10 km 1.8 33.0 N 131.1 E1 No tsunami alerts
04:55 JST 14 May 2017 Tokara-retto Kinkai 10 km 2.8 29.6 N 129.6 E1 No tsunami alerts
06:30 JST 14 May 2017 Tokara-retto Kinkai 10 km 2.8 29.6 N 129.7 E1 No tsunami alerts
07:39 JST 14 May 2017 Tokara-retto Kinkai 10 km 3.0 29.6 N 129.6 E1 No tsunami alerts
08:15 JST 14 May 2017 Ehime-ken Nan-yo 30 km 2.9 33.0 N 132.6 E1 No tsunami alerts
10:53 JST 14 May 2017 Tokara-retto Kinkai 10 km 3.2 29.6 N 129.6 E1 No tsunami alerts
12:00 JST 14 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.5 32.7 N 130.6 E2 No tsunami alerts
20:30 JST 14 May 2017 Tokushima-ken Hokubu 10 km 2.7 34.0 N 134.6 E1 No tsunami alerts
22:00 JST 14 May 2017 Kumamoto-ken Kumamoto-chiho very shallow 3.0 32.5 N 130.7 E2 No tsunami alerts
01:44 JST 15 May 2017 Izu-ohshima Kinkai very shallow 1.9 34.7 N 139.4 E1 No tsunami alerts
12:49 JST 15 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.8 32.7 N 130.7 E2 No tsunami alerts
16:05 JST 15 May 2017 Amami-oshima Kinkai 10 km 5.3 27.2 N 130.1 E2 No tsunami alerts
21:10 JST 15 May 2017 Miyagi-ken Oki 60 km 3.5 38.2 N 141.8 E1 No tsunami alerts
00:14 JST 16 May 2017 Chiba-ken Hokutobu 40 km 3.1 35.9 N 140.6 E1 No tsunami alerts
10:18 JST 16 May 2017 Ibaraki-ken Hokubu 10 km 2.5 36.7 N 140.6 E1 No tsunami alerts
11:47 JST 16 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.7 32.7 N 130.7 E1 No tsunami alerts
12:37 JST 16 May 2017 Amami-oshima Kinkai 30 km 3.2 27.4 N 129.0 E1 No tsunami alerts
21:48 JST 17 May 2017 Tokara-retto Kinkai 10 km 1.5 29.2 N 129.2 E1 No tsunami alerts
23:20 JST 18 May 2017 Wakayama-ken Hokubu 10 km 2.6 34.1 N 135.2 E1 No tsunami alerts
02:25 JST 19 May 2017 Miyagi-ken Oki 60 km 3.2 38.9 N 141.8 E1 No tsunami alerts
03:31 JST 19 May 2017 Amami-oshima Kinkai 30 km 3.4 27.4 N 129.0 E1 No tsunami alerts
13:12 JST 19 May 2017 Nagano-ken Hokubu 10 km 2.4 36.5 N 137.9 E2 No tsunami alerts
15:55 JST 19 May 2017 Kagoshima-ken Satsuma-chiho 10 km 2.8 31.8 N 130.8 E1 No tsunami alerts
19:13 JST 19 May 2017 Nagano-ken Hokubu 10 km 2.6 36.8 N 137.9 E1 No tsunami alerts
19:17 JST 19 May 2017 Shimane-ken Tobu 10 km 2.6 35.1 N 133.0 E1 No tsunami alerts
21:16 JST 19 May 2017 Miyagi-ken Oki 50 km 3.2 38.3 N 141.7 E1 No tsunami alerts
06:35 JST 20 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.2 33.0 N 130.9 E1 No tsunami alerts
07:22 JST 20 May 2017 Miyagi-ken Oki 30 km 3.8 38.4 N 142.1 E1 No tsunami alerts
12:58 JST 20 May 2017 Aomori-ken Toho-oki 50 km 3.9 41.1 N 142.4 E1 No tsunami alerts
14:37 JST 20 May 2017 Tokara-retto Kinkai 20 km 3.0 29.2 N 129.2 E1 No tsunami alerts
23:41 JST 20 May 2017 Sanriku Oki 10 km 4.8 40.0 N 143.7 E1 No tsunami alerts
02:11 JST 21 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.4 32.7 N 130.7 E1 No tsunami alerts
09:13 JST 21 May 2017 Hyuga-nada 20 km 3.4 32.0 N 132.0 E1 No tsunami alerts
11:59 JST 21 May 2017 Yamanashi-ken Chu-seibu 20 km 2.5 35.6 N 138.7 E1 No tsunami alerts
17:21 JST 21 May 2017 Fukushima-ken Aizu 10 km 2.1 37.0 N 139.4 E1 No tsunami alerts
07:49 JST 22 May 2017 Chiba-ken Hokuseibu 80 km 3.6 35.6 N 140.2 E1 No tsunami alerts
11:39 JST 22 May 2017 Niijima-Kozushima Kinkai 10 km 3.0 34.5 N 139.4 E1 No tsunami alerts
12:25 JST 22 May 2017 Niijima-Kozushima Kinkai 10 km 3.9 34.5 N 139.4 E2 No tsunami alerts
12:52 JST 22 May 2017 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.6 E1 No tsunami alerts
15:15 JST 22 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.4 32.8 N 130.7 E1 No tsunami alerts
18:43 JST 22 May 2017 Izu-ohshima Kinkai very shallow 2.8 34.8 N 139.3 E2 No tsunami alerts
20:01 JST 22 May 2017 Hokkaido Toho-oki 50 km 5.6 43.7 N 147.8 E3 No tsunami alerts
02:56 JST 23 May 2017 Shiga-ken Hokubu 10 km 2.6 35.5 N 136.1 E1 No tsunami alerts
18:23 JST 23 May 2017 Ibaraki-ken Nambu 60 km 3.7 35.9 N 140.1 E2 No tsunami alerts
21:35 JST 23 May 2017 Iriomotejima Fukin 20 km 2.9 24.2 N 123.8 E1 No tsunami alerts
23:17 JST 23 May 2017 Osumi-hanto Toho-oki 40 km 3.9 30.8 N 131.5 E1 No tsunami alerts
10:04 JST 24 May 2017 Amami-oshima Kinkai 40 km 3.0 27.9 N 128.9 E1 No tsunami alerts
12:30 JST 24 May 2017 Nagano-ken Hokubu 10 km 1.6 36.5 N 137.9 E1 No tsunami alerts
23:35 JST 24 May 2017 Miyazaki-ken Hokubu-yamazoi 120 km 3.7 32.5 N 131.2 E1 No tsunami alerts
03:04 JST 25 May 2017 Fukushima-ken Oki 40 km 3.9 36.9 N 141.3 E2 No tsunami alerts
03:10 JST 25 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.4 32.8 N 130.8 E1 No tsunami alerts
06:50 JST 25 May 2017 Ibaraki-ken Hokubu 10 km 2.7 36.8 N 140.6 E1 No tsunami alerts
13:21 JST 25 May 2017 Niigata-ken Chuetsu-chiho 20 km 1.8 37.0 N 138.6 E1 No tsunami alerts
13:33 JST 25 May 2017 Chiba-ken Nambu 30 km 3.5 35.2 N 140.3 E1 No tsunami alerts
21:08 JST 25 May 2017 Kushiro-chiho Chunambu 10 km 3.2 43.3 N 144.0 E1 No tsunami alerts
02:33 JST 26 May 2017 Urakawa Oki 70 km 4.0 42.0 N 142.6 E2 No tsunami alerts
01:46 JST 27 May 2017 Miyagi-ken Oki 40 km 4.0 38.7 N 142.3 E1 No tsunami alerts
17:24 JST 27 May 2017 Fukuoka-ken Chikuho-chiho 10 km 2.5 33.7 N 130.7 E1 No tsunami alerts
18:16 JST 27 May 2017 Nagano-ken Hokubu 20 km 2.5 36.7 N 138.5 E2 No tsunami alerts
18:48 JST 27 May 2017 Nagano-ken Hokubu 10 km 1.9 36.7 N 138.5 E1 No tsunami alerts
20:59 JST 27 May 2017 Nagano-ken Hokubu 10 km 3.9 36.7 N 138.5 E3 No tsunami alerts
21:00 JST 27 May 2017 Nagano-ken Hokubu 20 km 2.8 36.7 N 138.5 E2 No tsunami alerts
21:01 JST 27 May 2017 Nagano-ken Hokubu 10 km 2.0 36.7 N 138.5 E1 No tsunami alerts
22:07 JST 27 May 2017 Nagano-ken Hokubu 10 km 3.1 36.7 N 138.5 E1 No tsunami alerts
22:11 JST 27 May 2017 Nagano-ken Hokubu 10 km 2.4 36.7 N 138.5 E1 No tsunami alerts
22:50 JST 27 May 2017 Fukui-ken Oki 10 km 5.0 36.1 N 135.5 E2 No tsunami alerts
23:03 JST 27 May 2017 Chiba-ken Toho-oki 10 km 3.2 35.7 N 141.0 E1 No tsunami alerts
12:04 JST 28 May 2017 Boso-hanto Nampo-oki 80 km 4.1 34.5 N 140.2 E1 No tsunami alerts
15:18 JST 28 May 2017 Saitama-ken Nambu 120 km 4.0 35.8 N 139.6 E2 No tsunami alerts
20:12 JST 28 May 2017 Kumamoto-ken Kuma-chiho 10 km 2.5 32.2 N 130.7 E1 No tsunami alerts
20:32 JST 29 May 2017 Chiba-ken Hokutobu 40 km 3.1 35.9 N 140.6 E2 No tsunami alerts
00:29 JST 30 May 2017 Amami-oshima Kinkai 50 km 3.4 28.4 N 129.5 E1 No tsunami alerts
02:40 JST 30 May 2017 Tomakomai Oki 70 km 3.2 41.6 N 141.9 E1 No tsunami alerts
11:50 JST 30 May 2017 Aomori-ken Shimokita-chiho very shallow 0.9 41.4 N 141.0 E1 No tsunami alerts
12:21 JST 30 May 2017 Okinawa-honto Kinkai 40 km 3.2 26.3 N 128.0 E1 No tsunami alerts
14:00 JST 30 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 3.3 32.7 N 130.7 E2 No tsunami alerts
14:23 JST 30 May 2017 Tokara-retto Kinkai very shallow 2.9 29.2 N 129.0 E2 No tsunami alerts
15:20 JST 30 May 2017 Miyakojima Kinkai 10 km 5.4 24.1 N 126.5 E1 No tsunami alerts
15:44 JST 30 May 2017 Nagano-ken Hokubu 10 km 2.4 36.7 N 138.5 E1 No tsunami alerts
19:15 JST 30 May 2017 Osumi-hanto Toho-oki 30 km 4.2 30.8 N 131.5 E1 No tsunami alerts
01:05 JST 31 May 2017 Iwate-ken Oki 50 km 3.6 39.6 N 142.1 E1 No tsunami alerts
01:12 JST 31 May 2017 Miyagi-ken Oki 60 km 3.5 38.3 N 141.9 E1 No tsunami alerts
01:18 JST 31 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.6 32.6 N 130.7 E1 No tsunami alerts
16:52 JST 31 May 2017 Southern Sakhalin 10 km 4.5 46.3 N 142.1 E1 No tsunami alerts
17:59 JST 31 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.8 32.7 N 130.7 E1 No tsunami alerts
20:02 JST 31 May 2017 Kumamoto-ken Kumamoto-chiho 10 km 2.2 32.6 N 130.7 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