M 5.7 in Japan on 05 Oct 2021 17:46 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 5.7M
Depth: 44.77 Km
Lat/Lon: 40.076 , 142.2531
Event Date: 05 Oct 2021 17:46 UTC
06 Oct 2021 02:46 Local
Exposed Population: 210000 people in MMI
680 thousand in 100km
Source: NEIC us6000frzg
Inserted at: 18 Oct 2021 16:12 UTC
INFORM Coping capacity of the alert score: 1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000frzg Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1400474 0 05 Oct 2021 17:46 5.6M, 53.46km 4.83 N/A (in MMI>=VII) 12d 22:28 NEIC
1400633 0 05 Oct 2021 17:46 5.7M, 44.77km 4.99 N/A (in MMI>=VII) 12d 22:26 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Japan ,of Tohoku (population 189,242) . The alertlevel for this event is GREEN

Intensity Population
210000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1400474 40.081/142.223 5.6 53.5 3.771 05 Oct 2021 18:23 00:37 (new episode)
2 0 1400474 40.081/142.223 5.6 53.5 3.771 05 Oct 2021 18:45 00:59 (upd of #1)
3 0 1400633 40.081/142.223 5.6 53.5 4.833 05 Oct 2021 19:51 02:05 (new episode)
4 0 1400633 40.076/142.253 5.7 44.8 4.993 06 Oct 2021 17:51 1d 00:05 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Tohoku Japan 190000 people
Tohoku Japan 1.1 million people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Fudai Iwate Japan Village - 29 km
Shimanokoe Iwate Japan Village - 31 km
Hachinohe Aomori Japan City 240000 people 80 km
Noda-Tamagawa Iwate Japan Village - 34 km
Omoto Iwate Japan Village - 35 km
Noda Iwate Japan Village - 37 km
Otomo Iwate Japan Village - 38 km
Kuji Iwate Japan Village - 39 km
Settai Iwate Japan Village - 40 km
Numafukuro Iwate Japan Village - 41 km
Kudschi Iwate Japan Village - 42 km
Motomura Iwate Japan Village - 45 km
Taro Iwate Japan Village - 45 km
Mikkamachi Iwate Japan Village - 45 km
Iwaizumi Iwate Japan Village - 46 km
Uge Iwate Japan Village - 48 km
Futatsuya Iwate Japan Village - 51 km
Kami-ugei Iwate Japan Village - 52 km
Sasasawa Iwate Japan Village - 54 km
Miyako Iwate Japan City 51000 people 54 km
Taneichi Iwate Japan Village - 55 km
Kado Iwate Japan Village - 55 km
Akedo Iwate Japan Village - 56 km
Omoe Iwate Japan Village - 57 km
Ono Iwate Japan Village - 58 km
Asanai Iwate Japan Village - 59 km
Neichi Iwate Japan Village - 59 km
Tsugaruishi Iwate Japan Village - 62 km
Ishihama Iwate Japan Village - 63 km
Kawajiri Iwate Japan Village - 63 km
Wainai Iwate Japan Village - 63 km
Kariya Iwate Japan Village - 64 km
Moichi Iwate Japan Village - 64 km
Kuriyama Iwate Japan Village - 65 km
Haratai Iwate Japan Village - 68 km
Osawa Iwate Japan Village - 70 km
Kanahama Aomori Japan Village - 70 km
Toda Iwate Japan Village - 71 km
Oura Iwate Japan Village - 71 km
Nagaimura Iwate Japan Village - 72 km
Yamada Iwate Japan Village 20000 people 73 km
Tashiro Aomori Japan Village - 73 km
Karumai Iwate Japan Village - 73 km
Motoki Iwate Japan Village - 73 km
Katasu Iwate Japan Village - 74 km
Esashika Iwate Japan Village - 74 km
Funakoshi Iwate Japan Village - 76 km
Ichinosawa Aomori Japan Village - 78 km
Akasawa Iwate Japan Village - 79 km
Niita Iwate Japan Village - 80 km
Kozawa Iwate Japan Village - 80 km
Otsuchi Iwate Japan Village 16000 people 83 km
Anto Iwate Japan Village - 83 km
Fukuoka Iwate Japan Village - 84 km
Hiratsudo Iwate Japan Village - 84 km
Kenyoshi Aomori Japan Village - 87 km
Sannohe Aomori Japan Village - 89 km
Ichikawa Aomori Japan Village - 89 km
Fudaba Iwate Japan Village - 89 km
Sawa Iwate Japan Village - 90 km
Ryoishi Iwate Japan Village - 90 km
Ogida Aomori Japan Village - 90 km
Mita Aomori Japan Village - 90 km
Kawaguchi Iwate Japan Village - 91 km
Tegurabashi Aomori Japan Village - 94 km
Johoji Iwate Japan Village - 94 km
Joyanagi Iwate Japan Village - 95 km
Kamaishi Iwate Japan City 42000 people 95 km
Gonohe Aomori Japan Village - 95 km
Shibutami Iwate Japan Village - 96 km
Furumagi Aomori Japan Village - 97 km
Terada Iwate Japan Village - 97 km
Shirahama Iwate Japan Village - 98 km
Takko Aomori Japan Village - 98 km
Shikada Aomori Japan Village - 100 km
Obuke Iwate Japan Village - 101 km
Misawa Aomori Japan Village 43000 people 101 km
Morioka Iwate Japan Major city 290000 people 103 km
Tono Iwate Japan Village 27000 people 103 km
Fujishima Aomori Japan Village - 103 km
Barajima Iwate Japan Village - 103 km
Shimizugashira Aomori Japan Village - 103 km
Araya Iwate Japan Village - 105 km
Sambongi Aomori Japan Village - 106 km
Tanichito Aomori Japan Village - 108 km
Mirumaemachi Iwate Japan Village - 109 km
Ogara Aomori Japan Village - 109 km
Hizume Iwate Japan Village - 109 km
Yashikidai Iwate Japan Village - 110 km
Horyo Aomori Japan Village - 111 km
Tayama Iwate Japan Village - 112 km
Kurauchi Aomori Japan Village - 112 km
Matsuo Iwate Japan Village - 113 km
Ishidoriya Iwate Japan Village - 115 km
Kochi Iwate Japan Village - 116 km
Shichinohe Aomori Japan Village - 116 km
Kakkonda Iwate Japan Village - 116 km
Shizukuishi Iwate Japan Village 20000 people 117 km
Tsuchisawa Iwate Japan Village - 117 km
Rokkasho Aomori Japan Village - 119 km
Masuzawa Iwate Japan Village - 121 km
Teranomae Iwate Japan Village - 121 km
Sabishiro Aomori Japan Village - 122 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Hachinohe HHE 46 Mil. Paved Yes 7300 85 km
Ippongibara 304 0 101 km
Misawa Naf MSJ 36 Mil. Paved Yes 10000 102 km
Hanamaki HNA 91 Civ. Paved Yes 6500 120 km

Ports

Intensity Name LOCODE Country Distance
Fudai Japan 27 km
Hachinohe JPHHE Japan 78 km
Miyako JPMYK Japan 54 km
Yamada Japan 73 km
Kamaishi JPKIS Japan 95 km

Dams

Intensity Reservoir Dam Name River Year Distance
Setsukinaidamuko Setsukinai Setsukinaigawa 1986 65 km
Yukiyagawa Yukiyagawa Yukiyagawa 1976 67 km
Gandoko Gando Tandogawa 1960 80 km
Sotoyama Sotoyama Sotoyamagawa 1943 89 km
Nanbukatafujiko Shijushida Kitakamigawa 1968 101 km
Goshoko Gosho Shizukuishigawa 1981 113 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.