J1 Earthquake Early Warning
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Message Update Time Quake Time Coordinates Epicenter Depth Mag Intensity Location
12015-04-23 22:15:382015-04-23 22:15:1140.0-NL 141.1-ELNorthern inland of Iwate1005.24 Land
22015-04-23 22:15:412015-04-23 22:14:5039.1-NL 139.0-EL山形県沖106.44 Sea
32015-04-23 22:15:462015-04-23 22:14:5039.1-NL 139.0-EL山形県沖106.44 Sea
42015-04-23 22:15:472015-04-23 22:15:0339.4-NL 140.9-ELSouthern inland of Iwate1405.64 Land
52015-04-23 22:15:472015-04-23 22:14:4939.3-NL 143.9-ELOff the coast of Sanriku106.43 Sea
62015-04-23 22:15:542015-04-23 22:14:5039.8-NL 143.9-ELOff the coast of Sanriku106.33 Sea
72015-04-23 22:15:542015-04-23 22:14:4741.5-NL 143.8-ELOff the coast of Tokachi706.14 Sea
82015-04-23 22:15:552015-04-23 22:14:4741.5-NL 143.8-ELOff the coast of Tokachi706.14 Sea
92015-04-23 22:15:552015-04-23 22:15:3241.3-NL 141.2-EL青森県下北地方103.73 Land
102015-04-23 22:16:152015-04-23 22:15:3241.3-NL 141.2-EL青森県下北地方103.73 Land
112015-04-23 22:16:352015-04-23 22:15:3241.3-NL 141.2-EL青森県下北地方103.73 Land
12 (final)2015-04-23 22:16:452015-04-23 22:15:3241.3-NL 141.2-EL青森県下北地方103.73 Land
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