J1 Earthquake Early Warning
Earthquakes Home | J1 Radio Home Page | REC Networks Home
Last EEW OnAir
2025-03-30 22:55:59 JST
EEW PRELIMINARY DATA
EPICENTER
Off the coast of Uraga
SHINDO PEAK INTENSITY
3
EEW MAGNITUDE
4.4
Recent Earthquake Early Warning (EEW) activity
Quake Time Epicenter Depth Mag Shindo
2025-03-30 22:55:58 Off the coast of Uraga 60 4.53
2025-03-30 21:30:55 Off the coast of Miyagi 50 4.63
2025-03-30 21:25:27 Off the coast of Hachijojima 130 4.52
2025-03-30 19:35:44 Off the coast of Ibaraki 40 3.82
2025-03-30 10:18:29 Off the southeast coast of Chiba 80 4.62
2025-03-30 08:47:37 Chiba-Northwestern 70 3.62
2025-03-29 04:45:16 Off the east coast of Osumi Peninsula 10 4.63
2025-03-28 03:50:39 Chiba-Northeastern 60 4.43
2025-03-27 01:27:38 Off the coast of Fukushima 40 42
2025-03-25 19:39:24 Near Kunashir 100 42
2025-03-25 08:19:35 Off the coast of Fukushima 80 4.32
2025-03-24 11:37:52 Nagano-North 10 43
2025-03-23 11:44:33 Near the coast of Yonagunijima 60 3.21
Recent earthquakes from the JMA
Quake Time Epicenter Depth Mag Shindo
21:30:00 JST 30 Mar 2025 Off the coast of Miyagi 40 4.22
19:35:00 JST 30 Mar 2025 Off the coast of Ibaraki 40 3.61
14:29:00 JST 30 Mar 2025 Off the east coast of Chiba 60 3.91
10:46:00 JST 30 Mar 2025 Sea of Ariake 10 3.32
10:18:00 JST 30 Mar 2025 Off the southeast coast of Chiba 60 4.92
08:47:00 JST 30 Mar 2025 Chiba-Northwestern 70 3.51
23:48:00 JST 29 Mar 2025 Kumamoto-Amakusa/Ashikita 10 2.91
22:00:00 JST 29 Mar 2025 Near Kunashir 160 4.31
13:21:00 JST 29 Mar 2025 Off the west coast of Ishikawa 10 3.31
04:45:00 JST 29 Mar 2025 Off the east coast of Osumi Peninsula 30 4.63
00:09:00 JST 29 Mar 2025 Kumamoto-Amakusa/Ashikita 10 2.81
11:34:00 JST 28 Mar 2025 10 2.52
10:18:00 JST 28 Mar 2025 Tsugaru Strait 120 3.61
04:41:00 JST 28 Mar 2025 Ishakawa Noto 10 2.51
03:50:00 JST 28 Mar 2025 Chiba-Northeastern 60 4.42
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
2025 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

Information provided by the Japan Meteorological Agency.
Presentation: Copyright © REC Networks, All Rights Reserved.