J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
03:45 JST 01 Mar 2016 Goto-retto Kinkai 10 km 2.9 32.8 N 129.7 E1 No tsunami alerts
04:47 JST 01 Mar 2016 Ishigakijima Kinkai 30 km 5.3 23.8 N 123.4 E2 No tsunami alerts
07:29 JST 01 Mar 2016 Chiba-ken Toho-oki 10 km 3.3 35.7 N 141.0 E1 No tsunami alerts
09:13 JST 01 Mar 2016 Fukushima-ken Oki 40 km 4.3 37.5 N 142.0 E2 No tsunami alerts
15:44 JST 01 Mar 2016 Tottori-ken Chubu 10 km 2.3 35.4 N 133.9 E1 No tsunami alerts
19:42 JST 01 Mar 2016 Ibaraki-ken Oki 60 km 3.5 36.5 N 140.8 E1 No tsunami alerts
20:59 JST 01 Mar 2016 Nagano-ken Nambu 10 km 2.9 35.4 N 138.0 E1 No tsunami alerts
00:07 JST 02 Mar 2016 Nagano-ken Hokubu 10 km 1.7 36.8 N 138.4 E1 No tsunami alerts
18:48 JST 02 Mar 2016 Iwate-ken Oki 20 km 3.7 39.8 N 142.5 E1 No tsunami alerts
05:06 JST 03 Mar 2016 Tokachi-chiho Hokubu very shallow 2.7 43.4 N 143.1 E1 No tsunami alerts
07:56 JST 03 Mar 2016 Niijima-Kozushima Kinkai very shallow 2.0 34.4 N 139.2 E1 No tsunami alerts
13:54 JST 03 Mar 2016 Nagano-ken Nambu 10 km 2.8 35.8 N 137.5 E1 No tsunami alerts
16:11 JST 03 Mar 2016 Miyazaki-ken Nambu-heiyabu 50 km 4.9 31.8 N 131.4 E4 No tsunami alerts
20:09 JST 03 Mar 2016 Chiba-ken Toho-oki 40 km 3.8 35.8 N 141.1 E1 No tsunami alerts
05:44 JST 04 Mar 2016 Tottori-ken Chubu 10 km 2.8 35.4 N 133.9 E2 No tsunami alerts
12:22 JST 04 Mar 2016 Okinawa-honto Kinkai 30 km 3.2 26.8 N 128.4 E1 No tsunami alerts
22:00 JST 04 Mar 2016 Fukushima-ken Oki 40 km 3.9 37.6 N 141.8 E1 No tsunami alerts
23:15 JST 04 Mar 2016 Tokachi-chiho Nambu 110 km 3.5 42.5 N 143.0 E1 No tsunami alerts
00:14 JST 05 Mar 2016 Ibaraki-ken Hokubu 70 km 2.9 36.7 N 140.5 E1 No tsunami alerts
09:33 JST 05 Mar 2016 Tokachi Oki 20 km 4.8 41.8 N 144.3 E1 No tsunami alerts
13:41 JST 05 Mar 2016 Miyagi-ken Oki 40 km 3.7 38.7 N 142.3 E1 No tsunami alerts
17:46 JST 05 Mar 2016 Hyogo-ken Nantobu 10 km 2.7 34.7 N 135.2 E1 No tsunami alerts
18:30 JST 05 Mar 2016 Aomori-ken Sampachi-Kamikita-chiho 10 km 3.3 40.4 N 141.3 E2 No tsunami alerts
20:02 JST 05 Mar 2016 Fukuoka-ken Hokusei-oki 10 km 3.5 33.7 N 130.4 E3 No tsunami alerts
20:02 JST 05 Mar 2016 Fukuoka-ken Hokusei-oki 10 km 3.5 33.7 N 130.4 E3 Intensity correction
14:52 JST 06 Mar 2016 Tokachi-chiho Hokubu very shallow 3.2 43.4 N 143.1 E1 No tsunami alerts
14:59 JST 06 Mar 2016 Akita-ken Nairiku-hokubu 10 km 2.6 40.4 N 140.7 E2 No tsunami alerts
05:58 JST 07 Mar 2016 Wakasa-wan 10 km 4.0 35.8 N 135.9 E2 No tsunami alerts
08:03 JST 07 Mar 2016 Iwate-ken Engan-hokubu 60 km 3.8 39.8 N 141.8 E2 No tsunami alerts
16:37 JST 07 Mar 2016 Iwate-ken Oki 30 km 4.8 40.2 N 142.5 E3 No tsunami alerts
04:36 JST 08 Mar 2016 Amami-oshima Kinkai 30 km 3.3 28.0 N 129.5 E1 No tsunami alerts
04:55 JST 08 Mar 2016 Hidaka-chiho Tobu 50 km 3.6 42.2 N 142.7 E1 No tsunami alerts
13:32 JST 08 Mar 2016 Urakawa Oki 20 km 3.8 42.1 N 142.9 E3 No tsunami alerts
18:08 JST 08 Mar 2016 Fukushima-ken Oki 50 km 3.5 37.5 N 141.4 E1 No tsunami alerts
23:32 JST 08 Mar 2016 Nagano-ken Nambu 10 km 3.2 35.9 N 138.1 E2 No tsunami alerts
00:21 JST 09 Mar 2016 Nagano-ken Nambu 10 km 2.7 35.9 N 138.1 E1 No tsunami alerts
00:33 JST 09 Mar 2016 Fukuoka-ken Hokusei-oki 10 km 2.7 33.6 N 130.3 E1 No tsunami alerts
01:30 JST 09 Mar 2016 Miyagi-ken Oki 50 km 3.5 38.9 N 142.0 E1 No tsunami alerts
14:56 JST 09 Mar 2016 Satsuma-hanto Seiho-oki very shallow 4.3 31.1 N 129.1 E1 No tsunami alerts
19:20 JST 09 Mar 2016 Tokachi-chiho Hokubu very shallow 3.2 43.4 N 143.1 E1 No tsunami alerts
19:31 JST 09 Mar 2016 Tokachi-chiho Hokubu very shallow 3.0 43.4 N 143.1 E1 No tsunami alerts
20:05 JST 09 Mar 2016 Wakayama-ken Hokubu 10 km 2.6 33.9 N 135.2 E1 No tsunami alerts
16:19 JST 10 Mar 2016 Kumamoto-ken Kumamoto-chiho 10 km 2.3 33.0 N 130.9 E1 No tsunami alerts
22:47 JST 10 Mar 2016 Chiba-ken Toho-oki 60 km 4.1 35.7 N 140.8 E2 No tsunami alerts
06:07 JST 11 Mar 2016 Okinawa-honto Kinkai 10 km 3.4 26.6 N 127.1 E1 No tsunami alerts
05:00 JST 12 Mar 2016 Amami-oshima Kinkai 30 km 4.3 28.3 N 129.5 E3 No tsunami alerts
21:59 JST 12 Mar 2016 Nagano-ken Hokubu 10 km 2.0 36.5 N 138.1 E1 No tsunami alerts
11:07 JST 13 Mar 2016 Urakawa Oki 70 km 4.2 42.0 N 142.6 E2 No tsunami alerts
12:13 JST 13 Mar 2016 Miyagi-ken Oki 40 km 3.7 38.2 N 142.1 E1 No tsunami alerts
17:03 JST 13 Mar 2016 Aichi-ken Seibu 40 km 2.7 35.2 N 137.5 E1 No tsunami alerts
17:44 JST 13 Mar 2016 Miyagi-ken Oki 50 km 3.9 38.2 N 141.7 E2 No tsunami alerts
07:14 JST 14 Mar 2016 Nagano-ken Hokubu 10 km 2.0 36.8 N 137.9 E1 No tsunami alerts
16:03 JST 14 Mar 2016 Tokara-retto Kinkai 230 km 5.3 29.7 N 129.3 E3 No tsunami alerts
05:31 JST 15 Mar 2016 Tokachi-chiho Chubu 120 km 3.7 42.9 N 143.5 E2 No tsunami alerts
14:05 JST 15 Mar 2016 Sanriku Oki 10 km 4.8 39.5 N 143.5 E2 No tsunami alerts
20:14 JST 15 Mar 2016 Chiba-ken Toho-oki 30 km 3.7 35.8 N 141.0 E1 No tsunami alerts
09:25 JST 16 Mar 2016 Sanriku Oki 10 km 4.7 39.5 N 143.5 E1 No tsunami alerts
01:15 JST 17 Mar 2016 Aomori-ken Toho-oki 50 km 4.2 41.0 N 142.0 E3 No tsunami alerts
07:03 JST 17 Mar 2016 Miyagi-ken Oki 30 km 3.7 38.2 N 142.0 E1 No tsunami alerts
18:29 JST 17 Mar 2016 Nagano-ken Chubu 10 km 3.2 36.2 N 138.0 E2 No tsunami alerts
19:42 JST 17 Mar 2016 Nagano-ken Chubu 10 km 2.4 36.1 N 138.0 E1 No tsunami alerts
01:24 JST 18 Mar 2016 Chichijima Kinkai very shallow 4.4 27.4 N 141.7 E1 No tsunami alerts
03:59 JST 18 Mar 2016 Iwate-ken Oki 50 km 4.6 39.4 N 142.4 E3 No tsunami alerts
04:50 JST 18 Mar 2016 Miyakojima Kinkai 30 km 4.7 24.2 N 125.2 E1 No tsunami alerts
15:20 JST 18 Mar 2016 Fukushima-ken Oki 80 km 3.9 37.5 N 141.5 E1 No tsunami alerts
08:28 JST 19 Mar 2016 Okinawa-honto Hokusei-oki 10 km 4.8 27.0 N 126.7 E1 No tsunami alerts
10:28 JST 19 Mar 2016 Okinawa-honto Hokusei-oki 10 km 4.9 27.0 N 126.7 E2 No tsunami alerts
20:33 JST 19 Mar 2016 Miyagi-ken Oki 60 km 3.7 38.4 N 141.8 E2 No tsunami alerts
21:58 JST 19 Mar 2016 Ibaraki-ken Oki 40 km 3.8 36.7 N 141.2 E1 No tsunami alerts
23:30 JST 19 Mar 2016 Miyagi-ken Oki 50 km 3.9 38.2 N 141.7 E2 No tsunami alerts
23:40 JST 19 Mar 2016 Shikoku Oki 10 km 4.1 32.8 N 134.4 E1 No tsunami alerts
07:23 JST 20 Mar 2016 Wakayama-ken Hokubu 10 km 2.4 34.2 N 135.2 E1 No tsunami alerts
10:34 JST 20 Mar 2016 Okinawa-honto Hokusei-oki 10 km 4.5 27.0 N 126.7 E1 No tsunami alerts
11:43 JST 20 Mar 2016 Aichi-ken Seibu 40 km 3.6 35.0 N 137.3 E2 No tsunami alerts
11:52 JST 20 Mar 2016 Iwate-ken Engan-nambu 20 km 3.5 39.2 N 141.7 E1 No tsunami alerts
16:01 JST 20 Mar 2016 Saitama-ken Hokubu 100 km 3.8 36.0 N 139.4 E2 No tsunami alerts
17:32 JST 20 Mar 2016 Bungo-suido 60 km 3.4 33.2 N 132.2 E1 No tsunami alerts
05:08 JST 21 Mar 2016 Fukushima-ken Hamadori 10 km 3.5 37.0 N 140.7 E1 No tsunami alerts
08:03 JST 21 Mar 2016 Fukushima-ken Nakadori 90 km 3.9 37.6 N 140.6 E2 No tsunami alerts
09:11 JST 21 Mar 2016 Hokkaido Toho-oki 50 km 4.6 43.6 N 147.1 E2 No tsunami alerts
12:04 JST 22 Mar 2016 Iwate-ken Nairiku-nambu 10 km 3.2 39.1 N 140.9 E1 No tsunami alerts
14:34 JST 22 Mar 2016 Ibaraki-ken Hokubu 10 km 4.7 36.8 N 140.6 E4 No tsunami alerts
18:37 JST 22 Mar 2016 Niigata-ken Chuetsu-chiho 20 km 2.1 37.0 N 138.7 E1 No tsunami alerts
18:46 JST 22 Mar 2016 Fukushima-ken Oki 50 km 3.8 37.0 N 141.3 E1 No tsunami alerts
11:08 JST 23 Mar 2016 Ibaraki-ken Oki 40 km 3.3 36.6 N 141.0 E1 No tsunami alerts
16:13 JST 23 Mar 2016 Kumamoto-ken Kumamoto-chiho 10 km 1.7 33.0 N 130.9 E1 No tsunami alerts
16:56 JST 23 Mar 2016 Miyagi-ken Oki 50 km 3.8 38.4 N 141.7 E2 No tsunami alerts
20:52 JST 23 Mar 2016 Kumamoto-ken Kumamoto-chiho 10 km 2.3 33.0 N 130.9 E1 No tsunami alerts
16:57 JST 24 Mar 2016 Kunashirito Fukin 100 km 4.2 43.3 N 145.5 E3 No tsunami alerts
03:55 JST 25 Mar 2016 Miyagi-ken Oki 40 km 3.6 38.5 N 142.0 E1 No tsunami alerts
17:39 JST 25 Mar 2016 Iwate-ken Nairiku-nambu 10 km 3.0 38.8 N 141.4 E2 No tsunami alerts
22:35 JST 25 Mar 2016 Nagano-ken Chubu very shallow 1.9 36.4 N 138.0 E1 No tsunami alerts
23:55 JST 25 Mar 2016 Ibaraki-ken Oki 30 km 4.0 36.8 N 141.3 E2 No tsunami alerts
14:44 JST 26 Mar 2016 Iwate-ken Oki 50 km 3.1 39.6 N 142.1 E1 No tsunami alerts
22:33 JST 26 Mar 2016 Ibaraki-ken Nambu 50 km 3.8 36.1 N 139.9 E2 No tsunami alerts
13:40 JST 28 Mar 2016 Aomori-ken Sampachi-Kamikita-chiho 10 km 2.2 40.4 N 141.2 E1 No tsunami alerts
02:42 JST 29 Mar 2016 Fukushima-ken Oki 30 km 3.4 37.3 N 141.3 E1 No tsunami alerts
13:42 JST 29 Mar 2016 Iyo-nada 50 km 3.4 33.5 N 132.3 E1 No tsunami alerts
01:55 JST 30 Mar 2016 Hidaka-chiho Tobu 60 km 3.7 42.3 N 143.0 E1 No tsunami alerts
06:37 JST 30 Mar 2016 Hyuga-nada 30 km 3.2 32.8 N 132.2 E1 No tsunami alerts
09:20 JST 30 Mar 2016 Hiyama-chiho 10 km 3.1 41.8 N 140.3 E1 No tsunami alerts
10:33 JST 30 Mar 2016 Chishima-retto 10 km 5.1 45.4 N 150.4 E1 No tsunami alerts
12:27 JST 30 Mar 2016 Miyagi-ken Oki 60 km 3.3 38.8 N 141.6 E1 No tsunami alerts
14:10 JST 30 Mar 2016 Kushiro-chiho Chunambu 50 km 4.7 43.0 N 144.6 E3 No tsunami alerts
06:52 JST 31 Mar 2016 Ibaraki-ken Oki 40 km 3.4 36.5 N 141.2 E1 No tsunami alerts
10:25 JST 31 Mar 2016 Kumamoto-ken Aso-chiho 10 km 2.7 33.1 N 131.1 E1 No tsunami alerts
11:48 JST 31 Mar 2016 Ibaraki-ken Nambu 50 km 4.3 36.2 N 140.1 E3 No tsunami alerts
12:11 JST 31 Mar 2016 Ibaraki-ken Nambu 50 km 3.6 36.2 N 140.1 E2 No tsunami alerts
15:19 JST 31 Mar 2016 Ibaraki-ken Nambu 50 km 3.3 36.2 N 140.1 E2 No tsunami alerts
17:40 JST 31 Mar 2016 Fukuoka-ken Chikuho-chiho 10 km 2.3 33.8 N 130.7 E1 No tsunami alerts
17:42 JST 31 Mar 2016 Fukuoka-ken Fukuoka-chiho 10 km 2.9 33.8 N 130.6 E2 No tsunami alerts
19:39 JST 31 Mar 2016 Miyagi-ken Hokubu 60 km 3.2 38.9 N 141.6 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