J1 Earthquake Early Warning
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Quake ID: 111110064905
Chiba-ken Toho-oki
Time of Quake Magnitude Depth
22:37 JST 21 Apr 2011 6.0 70 km

Intensity Prefecture
5 Lower Chiba
4 Ibaraki
3 Yamanashi
3 Kanagawa
3 Tokyo
3 Saitama
3 Gunma
3 Tochigi
3 Fukushima
3 Miyagi
2 Shizuoka
2 Nagano
2 Niigata
2 Yamagata
2 Iwate
1 Aomori
1 Akita

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