2020-11-22 19:09:28 (UTC+9) Ver.4 Epicenter Location Is Undetermined

Updated: 2020-11-22 19:09:28 (UTC+9) Ver.4

Epicenter Location is Undetermined

Is Distribution Maximum Observed Is:5- Estimated Is for Major Cities

Histogram Max. Nighttime Distance of Estimated Is Municipality Obs. Is Population [km] 1 2 3 4 5-5+6-6+7 5- Motegi,Haga,Tochigi 15,000 Unknown 4 Hitachinaka,Ibaraki 160,000 Unknown 4 Hitachi,Ibaraki 190,000 Unknown 4 Koriyama,Fukushima 340,000 Unknown 4 Mito,Ibaraki 270,000 Unknown 4 Tsuchiura,Ibaraki 140,000 Unknown 4 Aizuwakamatsu,Fukushima 130,000 Unknown 4 Iwaki,Fukushima 340,000 Unknown 3 Tsukuba,Ibaraki 210,000 Unknown 3 Oyama,Tochigi 160,000 Unknown 3 Sakura,Chiba 170,000 Unknown 3 Fukushima,Fukushima 290,000 Unknown 3 Kasukabe,Saitama 240,000 Unknown 3 Toride,Ibaraki 110,000 Unknown 3 Chikusei,Ibaraki 110,000 Unknown 3 Noda,Chiba 150,000 Unknown 3 Nasushiobara,Tochigi 120,000 Unknown 3 Narita,Chiba 130,000 Unknown 3 Ota,Gumma 220,000 Unknown S eism ic In ten sity (Is) d istrib u tio n is estim ated f ro m th e o b served d ata (c irc les) o f N IED K-N ET, KiK-n et, JM A, an d lo c al g o vern m en ts th at h ad b een 3 Asahi,Yokohama,Kanagawa 250,000 Unknown c o llec ted b y 20 20 /11/22 19:0 9:0 0 . Th e h isto g ram sh o ws f req u en c y d istrib u tio n o f estim ated Is d erived f ro m in terp o latio n o f th e o b servatio n with 250 -m m esh . Th e d aytim e an d n ig h ttim e c o rresp o n d to 9:0 0 -18 :59 an d 19:0 0 -8 :59, resp ec tively. Th e d istan c e is m easu red f ro m th e ep ic en ter to th e c en ter o f th e m u n ic ip ality.

Is Exposed-Population Estimates of Each City

5- or greater 5+ or greater 5- or 5+ or 6- or 6+ or greater greater greater greater Whole of Japan 20,000 Fukushima Prefecture < 1,000 Koriyama,Fukushima < 1,000 Ibaraki Prefecture 20,000 Not Available Mito,Ibaraki < 1,000 Hitachi,Ibaraki < 1,000 Hitachiota,Ibaraki 2,000 Kasama,Ibaraki 5,000 Hitachiomiya,Ibaraki 1,000 Naka,Ibaraki < 1,000 Sakuragawa,Ibaraki < 1,000 6- or greater 6+ or greater Namegata,Ibaraki < 1,000 Hokota,Ibaraki 5,000 Omitama,Ibaraki < 1,000 Ibaraki,Higashiibaraki,Ibaraki < 1,000 Oarai,Higashiibaraki,Ibaraki < 1,000 Shirosato,Higashiibaraki,Ibaraki 1,000 Not Available Not Available Tokai,Naka,Ibaraki < 1,000 Tochigi Prefecture < 1,000 Nasukarasuyama,Tochigi < 1,000 Motegi,Haga,Tochigi < 1,000

Th e su m m atio n o f th e exp o sed p o p u latio n f o r eac h c ity d o es n o t n ec essarily eq u al to th at o f th e p ref ec tu re o r wh o le o f Jap an .

Major Historical Damaging Earthquakes in This Region Seismic Hazard Information of J-SHIS J-SHIS is a Web service by NIED, to help prevent and prepare for earthquake disaster by providing a public portal for seismic hazard information across Japan. Is Distribution of 2% Probability of Is Distribution of Return Period of 50,000- Exceedance in 50 Years year

Historical earthquakes are unavailable until the epicenter is determined.