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Quake Time Epicenter     Depth Magnitude Intensity Remarks 2011-10-01 02:19:57 Off the east coast of Chiba     10km 4.8 3   2011-10-01 06:37:21 Nakado-ri, Fukushima     10km 4.4 4   2011-10-01 13:19:25 Off the coast of Ibaraki     10km 5.1 3   2011-10-02 05:06:00 Off the coast of Ibaraki     10km 4.9 3   2011-10-02 05:06:00 Off the coast of Ibaraki     10km 4.9 3   2011-10-02 05:06:00 Off the coast of Ibaraki     10km 4.9 3   2011-10-02 05:06:00 Off the coast of Ibaraki     10km 4.9 3   2011-10-02 06:24:04 Off the coast of Fukushima     10km 4.6 3   2011-10-02 23:36:08 Nakado-ri, Fukushima     10km 4.4 3   2011-10-03 01:48:59 Off the coast of Fukushima     10km 5.4 3   2011-10-03 01:52:28 East Toyama     10km 4.7 3   2011-10-03 06:48:51 Off the east coast of Chiba     10km 4.5 3   2011-10-03 07:29:50 Nakado-ri, Fukushima     10km 4.8 4   2011-10-04 19:19:30 Northern Tokushima     50km 4.5 3   2011-10-04 19:25:10 Nakado-ri, Fukushima     10km 5.6 5 Lower   2011-10-04 19:25:10 Nakado-ri, Fukushima     10km 5.6 5 Lower   2011-10-04 19:25:10 Nakado-ri, Fukushima     10km 5.6 5 Lower   2011-10-04 19:25:10 Nakado-ri, Fukushima     10km 5.6 5 Lower   2011-10-04 20:58:32 Off the east coast of Chiba     10km 4.9 3   2011-10-04 20:58:32 Off the east coast of Chiba     10km 4.9 3   2011-10-04 20:58:32 Off the east coast of Chiba     10km 4.9 3   2011-10-05 03:52:41 Off the coast of Ibaraki     10km 4.3 3   2011-10-05 12:43:04 Southern Miyagi     10km 4.5 3   2011-10-05 14:16:17 Off the coast of Iwate     10km 4.5 3   2011-10-05 14:17:36 Off the coast of Iwate     10km 5.0 4   2011-10-05 19:00:01 East Toyama     10km 5.4 4   2011-10-05 19:06:13 East Toyama     10km 5.0 3   2011-10-05 19:12:53 Central Nagano     10km 5.1 4   2011-10-05 23:33:27 Kumamoto, Kumamoto     10km 4.4 4   2011-10-06 06:55:10 Northern Nagano     10km 4.5 3   2011-10-06 07:57:33 Northern Nagano     10km 4.2 3   2011-10-06 17:39:30 Northern Gunma     10km 4.2 3   2011-10-06 17:39:30 Northern Gunma     10km 4.0 3   2011-10-06 17:39:30 Northern Gunma     10km 4.0 3   2011-10-06 17:39:30 Northern Gunma     10km 4.0 3   2011-10-06 19:37:10 East Toyama     10km 4.7 3   2011-10-07 11:51:19 Off the coast of Uraga     60km 5.0 3   2011-10-07 18:34:44 Off the coast of Ibaraki     10km 5.5 3   2011-10-07 18:34:44 Off the coast of Ibaraki     10km 5.5 3   2011-10-07 18:34:44 Off the coast of Ibaraki     10km 5.5 3   2011-10-07 18:34:44 Off the coast of Ibaraki     10km 5.5 3   2011-10-08 06:11:38 Kii Channel     20km 4.5 3   2011-10-09 01:08:48 Southern Ibaraki     60km 4.6 3   2011-10-09 16:18:25 Southern Osaka     10km 3.5 3   2011-10-10 11:45:59 Off the coast of Fukushima     40km 6.0 4   2011-10-12 06:31:55 Near Sado     20km 4.9 3   2011-10-12 06:31:55 Near Sado     50km 4.9 3   2011-10-14 18:26:55 Northwest Chiba     60km 4.6 3   2011-10-14 19:59:21 Off the coast of Fukushima     20km 4.8 3   2011-10-15 17:23:46 Off the coast of Uraga     50km 4.8 3   2011-10-18 13:10:36 Nakado-ri, Fukushima     10km 4.2 3   2011-10-19 16:05:01 Nakado-ri, Fukushima     10km 4.0 3   2011-10-19 16:05:01 Nakado-ri, Fukushima     10km 4.1 3   2011-10-20 06:13:53 Nakado-ri, Fukushima     10km 4.1 3   2011-10-20 06:21:39 Nakado-ri, Fukushima     10km 4.4 3   2011-10-21 23:17:59 Off the coast of Ibaraki     10km 4.2 4   2011-10-24 01:32:11 Off the coast of Miyagi     50km 4.5 3   2011-10-24 03:58:34 Off the coast of Iwate     50km 4.9 3   2011-10-25 06:37:26 Off the coast of Miyagi     50km 4.6 3   2011-10-25 12:54:10 Off the coast of Fukushima     60km 4.6 3   2011-10-26 02:08:52 Off the coast of Fukushima     10km 5.3 4   2011-10-26 13:19:01 Off the coast of Ibaraki     10km 4.9 4   2011-10-26 18:31:27 Off the coast of Ibaraki     10km 4.3 4   2011-10-27 01:08:08 Off the coast of Fukushima     10km 5.1 3   2011-10-27 01:13:06 Off the coast of Fukushima     10km 4.7 3   2011-10-27 01:13:06 Off the coast of Fukushima     10km 4.7 3   2011-10-27 01:13:06 Off the coast of Fukushima     10km 4.7 3   2011-10-27 01:13:06 Off the coast of Fukushima     10km 4.7 3   2011-10-28 09:36:49 Northern Ibaraki     10km 4.1 3   2011-10-28 11:06:39 Off the coast of Miyagi     50km 4.5 3   2011-10-29 02:12:13 Off the east coast of Chiba     20km 3.9 3   2011-10-29 11:56:48 Off the east coast of Chiba     10km 4.8 3   2011-10-29 15:24:43 Off the coast of Miyagi     40km 5.2 3   2011-10-30 03:17:07 Nakado-ri, Fukushima     10km 4.2 3   2011-10-31 16:22:20 Northeast Chiba     30km 4.4 3   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 2022 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 2023 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 2024 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

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