J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
01:18 JST 01 Aug 2020 Tokushima-ken Hokubu 40km 3.0 34.0 N 134.4 E1 No tsunami alerts
02:04 JST 01 Aug 2020 Okinawa-honto Kinkai 10km 4.5 26.6 N 130.1 E1 No tsunami alerts
03:39 JST 01 Aug 2020 Kii-suido 10km 2.7 34.2 N 135.1 E1 No tsunami alerts
12:15 JST 01 Aug 2020 Wakayama-ken Nambu 50km 4.2 33.8 N 135.4 E3 No tsunami alerts
12:22 JST 01 Aug 2020 Tochigi-ken Hokubu 10km 2.8 36.9 N 139.7 E1 No tsunami alerts
17:03 JST 01 Aug 2020 Fukushima-ken Nakadori 10km 2.8 37.1 N 140.5 E1 No tsunami alerts
19:18 JST 01 Aug 2020 Uchiura-wan 10km 2.4 41.9 N 141.0 E2 No tsunami alerts
23:20 JST 01 Aug 2020 Chichijima Kinkai 40km 3.8 26.6 N 141.8 E1 No tsunami alerts
06:35 JST 02 Aug 2020 Gifu-ken Hida-chiho very shallow 2.8 36.3 N 137.6 E1 No tsunami alerts
01:49 JST 03 Aug 2020 Iwate-ken Oki 40km 3.4 39.1 N 142.2 E1 No tsunami alerts
14:34 JST 03 Aug 2020 Nagano-ken Chubu 10km 2.7 36.2 N 137.7 E1 No tsunami alerts
21:08 JST 03 Aug 2020 Nagano-ken Nambu 10km 2.6 35.9 N 137.7 E1 No tsunami alerts
11:56 JST 04 Aug 2020 Urakawa Oki 40km 3.0 42.2 N 142.4 E1 No tsunami alerts
20:21 JST 04 Aug 2020 Boso-hanto Nampo-oki 80km 4.7 34.5 N 140.3 E2 No tsunami alerts
23:03 JST 04 Aug 2020 Fukushima-ken Oki 50km 3.8 37.1 N 141.1 E2 No tsunami alerts
10:00 JST 05 Aug 2020 Amami-oshima Kinkai 30km 3.2 28.2 N 129.6 E1 No tsunami alerts
02:54 JST 06 Aug 2020 Ibaraki-ken Oki 30km 5.6 36.3 N 141.7 E3 No tsunami alerts
12:06 JST 06 Aug 2020 Niigata-ken Chuetsu-chiho 190km 5.1 37.3 N 138.8 E2 No tsunami alerts
00:35 JST 07 Aug 2020 Mie-ken Nanto-oki 380km 5.2 33.7 N 136.8 E2 No tsunami alerts
01:41 JST 07 Aug 2020 Okinawa-honto Kinkai 50km 3.1 26.7 N 127.8 E1 No tsunami alerts
09:52 JST 07 Aug 2020 Wakayama-ken Nambu 30km 2.8 33.7 N 135.6 E1 No tsunami alerts
11:14 JST 07 Aug 2020 Akita-ken Nairiku-nambu 10km 2.3 39.5 N 140.4 E1 No tsunami alerts
22:39 JST 07 Aug 2020 Iburi-chiho Chutobu 40km 3.3 42.8 N 142.0 E2 No tsunami alerts
17:37 JST 08 Aug 2020 Ibaraki-ken Oki 50km 4.0 36.5 N 141.1 E2 No tsunami alerts
20:55 JST 08 Aug 2020 Amami-oshima Kinkai 50km 4.1 28.6 N 129.6 E2 No tsunami alerts
23:13 JST 08 Aug 2020 Urakawa Oki 30km 3.7 41.6 N 142.8 E1 No tsunami alerts
14:30 JST 09 Aug 2020 Fukushima-ken Oki 50km 4.1 37.5 N 141.5 E2 No tsunami alerts
14:46 JST 09 Aug 2020 Osaka-fu Hokubu 10km 2.9 34.9 N 135.6 E2 No tsunami alerts
16:04 JST 09 Aug 2020 Okinawa-honto Kinkai 70km 3.8 26.2 N 127.0 E1 No tsunami alerts
17:54 JST 09 Aug 2020 Miyagi-ken Oki 40km 3.7 38.8 N 142.2 E1 No tsunami alerts
21:54 JST 09 Aug 2020 Chiba-ken Hokuseibu 80km 4.0 35.6 N 140.2 E2 No tsunami alerts
09:01 JST 10 Aug 2020 Kumamoto-ken Kumamoto-chiho 10km 2.4 32.8 N 130.7 E1 No tsunami alerts
09:24 JST 10 Aug 2020 Chiba-ken Nambu 40km 4.2 35.3 N 140.3 E2 No tsunami alerts
17:17 JST 10 Aug 2020 Aichi-ken Seibu 40km 3.4 35.2 N 137.3 E2 No tsunami alerts
19:19 JST 10 Aug 2020 Urakawa Oki 70km 3.6 42.1 N 142.6 E1 No tsunami alerts
16:20 JST 11 Aug 2020 Tokachi-chiho Nambu 90km 3.9 42.5 N 142.9 E2 No tsunami alerts
17:41 JST 11 Aug 2020 Kumamoto-ken Amakusa-Ashikita-chiho very shallow 3.0 32.3 N 130.5 E2 No tsunami alerts
20:30 JST 11 Aug 2020 Tokushima-ken Hokubu 40km 3.1 34.0 N 134.5 E1 No tsunami alerts
03:28 JST 12 Aug 2020 Wakayama-ken Hokubu 10km 3.0 34.0 N 135.3 E2 No tsunami alerts
08:07 JST 12 Aug 2020 Yonagunijima Kinkai very shallow 4.7 24.1 N 122.8 E1 No tsunami alerts
19:03 JST 12 Aug 2020 Kunashirito Fukin 130km 3.8 43.6 N 145.2 E2 No tsunami alerts
07:40 JST 13 Aug 2020 Ibaraki-ken Oki 50km 3.7 36.4 N 140.7 E2 No tsunami alerts
08:32 JST 13 Aug 2020 Aomori-ken Toho-oki 30km 4.3 41.3 N 142.7 E1 No tsunami alerts
10:50 JST 13 Aug 2020 Nagano-ken Nambu 10km 1.9 35.9 N 137.6 E1 No tsunami alerts
11:35 JST 13 Aug 2020 Chiba-ken Toho-oki 60km 4.4 35.4 N 140.5 E2 No tsunami alerts
12:52 JST 13 Aug 2020 Chiba-ken Toho-oki 60km 4.0 35.4 N 140.5 E2 No tsunami alerts
13:41 JST 13 Aug 2020 Chiba-ken Toho-oki 60km 2.8 35.4 N 140.4 E1 No tsunami alerts
22:52 JST 13 Aug 2020 Tokara-retto Kinkai 10km 3.2 29.3 N 129.2 E2 No tsunami alerts
23:34 JST 13 Aug 2020 Kumamoto-ken Amakusa-Ashikita-chiho very shallow 2.0 32.3 N 130.5 E2 No tsunami alerts
23:41 JST 13 Aug 2020 Kumamoto-ken Amakusa-Ashikita-chiho very shallow 2.0 32.3 N 130.5 E2 No tsunami alerts
14:19 JST 14 Aug 2020 Yonagunijima Kinkai 20km 4.1 24.8 N 122.8 E1 No tsunami alerts
17:17 JST 14 Aug 2020 Nemuro-chiho Nambu 80km 2.9 43.3 N 145.3 E1 No tsunami alerts
17:57 JST 14 Aug 2020 Kumamoto-ken Amakusa-Ashikita-chiho very shallow 1.7 32.3 N 130.5 E1 No tsunami alerts
17:10 JST 15 Aug 2020 Chiba-ken Toho-oki 30km 4.2 35.5 N 141.2 E1 No tsunami alerts
20:38 JST 15 Aug 2020 Iyo-nada 50km 3.1 33.5 N 132.2 E1 No tsunami alerts
03:04 JST 16 Aug 2020 Kumamoto-ken Kumamoto-chiho 10km 2.1 32.8 N 130.7 E1 No tsunami alerts
18:40 JST 16 Aug 2020 Shizuoka-ken Chubu 40km 2.7 35.3 N 138.2 E1 No tsunami alerts
02:56 JST 17 Aug 2020 Kii-suido 10km 3.3 34.2 N 135.1 E2 No tsunami alerts
06:36 JST 17 Aug 2020 Ibaraki-ken Hokubu 110km 3.3 36.8 N 140.4 E1 No tsunami alerts
05:35 JST 18 Aug 2020 Tochigi-ken Nambu 70km 3.4 36.4 N 139.9 E1 No tsunami alerts
11:35 JST 18 Aug 2020 Nagano-ken Chubu 10km 2.4 36.2 N 137.7 E1 No tsunami alerts
19:25 JST 18 Aug 2020 Tokara-retto Kinkai 10km 2.4 29.3 N 129.3 E1 No tsunami alerts
19:54 JST 18 Aug 2020 Tokara-retto Kinkai 10km 2.8 29.3 N 129.3 E1 No tsunami alerts
07:13 JST 19 Aug 2020 Gifu-ken Hida-chiho very shallow 2.4 36.3 N 137.6 E1 No tsunami alerts
08:32 JST 19 Aug 2020 Gumma-ken Nambu 10km 2.9 36.5 N 139.4 E1 No tsunami alerts
09:06 JST 19 Aug 2020 Tokara-retto Kinkai very shallow 2.1 29.3 N 129.3 E1 No tsunami alerts
09:09 JST 19 Aug 2020 Tokara-retto Kinkai 10km 2.6 29.3 N 129.2 E1 No tsunami alerts
09:13 JST 19 Aug 2020 Tokara-retto Kinkai 10km 3.2 29.3 N 129.1 E2 No tsunami alerts
09:17 JST 19 Aug 2020 Tokara-retto Kinkai very shallow 3.6 29.3 N 129.2 E3 No tsunami alerts
09:20 JST 19 Aug 2020 Tokara-retto Kinkai very shallow 2.5 29.3 N 129.1 E1 No tsunami alerts
15:21 JST 19 Aug 2020 Kumamoto-ken Amakusa-Ashikita-chiho very shallow 1.7 32.3 N 130.5 E1 No tsunami alerts
06:22 JST 20 Aug 2020 Kumamoto-ken Amakusa-Ashikita-chiho 10km 2.0 32.3 N 130.5 E2 No tsunami alerts
08:18 JST 20 Aug 2020 Aomori-ken Tsugaru-nambu 10km 2.4 40.6 N 140.5 E1 No tsunami alerts
09:28 JST 20 Aug 2020 Chiba-ken Toho-oki 10km 4.1 35.7 N 141.0 E2 No tsunami alerts
04:51 JST 21 Aug 2020 Kushiro Oki 50km 4.5 42.7 N 145.4 E2 No tsunami alerts
18:14 JST 21 Aug 2020 Nagano-ken Chubu very shallow 2.0 36.2 N 137.8 E1 No tsunami alerts
00:15 JST 22 Aug 2020 Tokara-retto Kinkai 10km 1.9 29.3 N 129.2 E1 No tsunami alerts
02:32 JST 22 Aug 2020 Nagano-ken Hokubu 10km 4.1 37.0 N 138.5 E3 No tsunami alerts
03:31 JST 23 Aug 2020 Tottori-ken Tobu 20km 2.7 35.5 N 134.3 E1 No tsunami alerts
03:57 JST 23 Aug 2020 Nagano-ken Hokubu 10km 2.5 36.9 N 138.6 E1 No tsunami alerts
04:37 JST 23 Aug 2020 Fukushima-ken Hamadori 20km 3.1 37.2 N 140.8 E1 No tsunami alerts
14:05 JST 23 Aug 2020 Tottori-ken Chubu 10km 2.4 35.4 N 133.8 E1 No tsunami alerts
03:06 JST 24 Aug 2020 Nagano-ken Hokubu very shallow 3.0 36.7 N 137.9 E2 No tsunami alerts
16:06 JST 24 Aug 2020 Tottori-ken Chubu 10km 2.1 35.4 N 133.9 E1 No tsunami alerts
19:19 JST 24 Aug 2020 Shiga-ken Hokubu 40km 3.2 35.4 N 136.3 E1 No tsunami alerts
09:08 JST 25 Aug 2020 Iwate-ken Oki 60km 3.7 39.0 N 142.1 E1 No tsunami alerts
13:27 JST 25 Aug 2020 Fukushima-ken Nakadori 10km 3.1 37.1 N 140.6 E2 No tsunami alerts
22:00 JST 25 Aug 2020 Nara-ken 10km 2.0 34.4 N 135.9 E1 No tsunami alerts
20:24 JST 26 Aug 2020 Kyoto-fu Nambu 10km 3.2 35.1 N 135.6 E2 No tsunami alerts
08:55 JST 27 Aug 2020 Gifu-ken Mino-chuseibu 10km 3.9 35.6 N 137.0 E3 No tsunami alerts
09:48 JST 27 Aug 2020 Miyagi-ken Oki 40km 4.1 38.8 N 142.1 E2 No tsunami alerts
12:42 JST 27 Aug 2020 Kushiro Oki 60km 3.8 42.6 N 145.1 E2 No tsunami alerts
13:13 JST 27 Aug 2020 Kumamoto-ken Kumamoto-chiho 10km 2.6 32.7 N 130.7 E1 No tsunami alerts
17:08 JST 27 Aug 2020 Fukushima-ken Oki 30km 4.2 36.7 N 141.8 E1 No tsunami alerts
19:46 JST 27 Aug 2020 Iwate-ken Oki 50km 3.8 39.2 N 142.2 E1 No tsunami alerts
23:15 JST 27 Aug 2020 Etorofuto Nanto-oki 10km 4.6 44.1 N 148.0 E2 No tsunami alerts
23:45 JST 27 Aug 2020 Ibaraki-ken Oki 50km 3.7 36.3 N 141.0 E2 No tsunami alerts
00:19 JST 28 Aug 2020 Tottori-ken Chubu 10km 4.0 35.4 N 133.9 E2 No tsunami alerts
03:20 JST 28 Aug 2020 Iwate-ken Engan-hokubu 50km 4.1 40.1 N 141.8 E3 No tsunami alerts
03:07 JST 29 Aug 2020 Kagoshima-ken Satsuma-chiho 10km 2.6 32.2 N 130.3 E2 No tsunami alerts
10:42 JST 29 Aug 2020 Chiba-ken Toho-oki 50km 3.4 35.7 N 140.8 E1 No tsunami alerts
16:14 JST 29 Aug 2020 Oita-ken Chubu 10km 2.0 33.3 N 131.4 E1 No tsunami alerts
20:55 JST 29 Aug 2020 Kushiro Oki 40km 4.3 42.4 N 144.7 E1 No tsunami alerts
01:51 JST 30 Aug 2020 Ibaraki-ken Nambu 40km 2.8 36.1 N 139.9 E1 No tsunami alerts
07:08 JST 30 Aug 2020 Ibaraki-ken Hokubu 10km 3.9 36.9 N 140.6 E2 No tsunami alerts
07:48 JST 30 Aug 2020 Iwate-ken Engan-nambu 10km 3.1 39.0 N 141.6 E2 No tsunami alerts
11:43 JST 30 Aug 2020 Ibaraki-ken Hokubu 60km 3.5 36.5 N 140.6 E1 No tsunami alerts
14:37 JST 30 Aug 2020 Ibaraki-ken Nambu 60km 4.4 36.2 N 139.8 E3 No tsunami alerts
17:59 JST 30 Aug 2020 Ibaraki-ken Hokubu 90km 4.2 36.8 N 140.7 E1 No tsunami alerts
06:00 JST 31 Aug 2020 Okinawa-honto Kinkai 30km 4.1 27.3 N 128.9 E2 No tsunami alerts
14:00 JST 31 Aug 2020 Rumoi-chiho Nambu 10km 2.8 44.2 N 141.7 E1 No tsunami alerts
16:06 JST 31 Aug 2020 Nagano-ken Hokubu 10km 2.5 36.6 N 138.4 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