M 6.1 in Japan on 12 Sep 2020 02:44 UTC
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: 6.1M
Depth: 32.09 Km
Lat/Lon: 38.7591 , 142.2473
Event Date: 12 Sep 2020 02:44 UTC
12 Sep 2020 11:44 Local
Exposed Population: 1610000 people in MMI>=IV
630000 people within 100km
Source: NEIC us7000bm9m
Inserted at: 13 Sep 2020 02:49 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
us7000bm9m 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
1331467 0 12 Sep 2020 02:44 5.9M, 33.41km 3.92 630 thousand 00:20 NEIC
1331473 0 12 Sep 2020 02:44 6.1M, 32.09km 4.17 640 thousand 1d 00:05 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 9,984,608) . The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1331467 38.757/142.251 5.9 33.4 3.919 12 Sep 2020 03:10 00:25 (new episode)
2 0 1331473 38.759/142.247 6.1 32.1 4.173 12 Sep 2020 03:24 00:40 (new episode)
3 0 1331473 38.759/142.247 6.1 32.1 4.173 12 Sep 2020 04:50 02:06 (upd of #2)
4 0 1331473 38.759/142.247 6.1 32.1 4.173 13 Sep 2020 02:49 1d 00:05 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Tohoku Japan 1.4 million people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Ryori Iwate Japan Village - 51 km
Kesennuma Miyagi Japan Village 58000 people 52 km
Tomari Iwate Japan Village - 52 km
Okkirai Iwate Japan Village - 55 km
Tadagoe Miyagi Japan Village - 56 km
Matsuzaki Miyagi Japan Village - 56 km
Ofunato Iwate Japan Village 36000 people 56 km
Oya Miyagi Japan Village - 59 km
Shirahama Iwate Japan Village - 59 km
Imaizumi Iwate Japan Village - 60 km
Rikuzen-Takata Iwate Japan Village - 60 km
Hongo Iwate Japan Village - 62 km
Minato Miyagi Japan Village - 62 km
Isatomae Miyagi Japan Village - 63 km
Motoyoshi Miyagi Japan Village - 64 km
Kamaishi Iwate Japan City 42000 people 65 km
Terahama Miyagi Japan Village - 66 km
Tsuya Miyagi Japan Village - 68 km
Ohama Miyagi Japan Village - 69 km
Ryoishi Iwate Japan Village - 69 km
Shizugawa Miyagi Japan Village - 70 km
Tsukihama Miyagi Japan Village - 71 km
Setamai Iwate Japan Village - 71 km
Shimo-orikabe Iwate Japan Village - 72 km
Anto Iwate Japan Village - 72 km
Ogatsu Miyagi Japan Village - 73 km
Kami-tsuyakawa Iwate Japan Village - 73 km
Oritate Miyagi Japan Village - 74 km
Ohashi Iwate Japan Village - 74 km
Fudaba Iwate Japan Village - 74 km
Kawaguchi Iwate Japan Village - 75 km
Kutsukake Iwate Japan Village - 75 km
Nagatsura Miyagi Japan Village - 76 km
Otsuchi Iwate Japan Village 16000 people 77 km
Funakoshi Iwate Japan Village - 78 km
Surisawa Iwate Japan Village - 78 km
Fujisawa Iwate Japan Village - 78 km
Ohara Iwate Japan Village - 79 km
Onagawahama Miyagi Japan Village - 79 km
Sawa Iwate Japan Village - 79 km
Yagawa Miyagi Japan Village - 79 km
Oenokawara Miyagi Japan Village - 79 km
Oura Iwate Japan Village - 79 km
Niiyama Miyagi Japan Village - 80 km
Semmaya Iwate Japan Village - 81 km
Oshika Miyagi Japan Village - 82 km
Yokamachi Iwate Japan Village - 83 km
Maeya Miyagi Japan Village - 83 km
Yamada Iwate Japan Village 20000 people 83 km
Futsukamachi Iwate Japan Village - 83 km
Osawa Iwate Japan Village - 83 km
Oharahama Miyagi Japan Village - 83 km
Akabane Iwate Japan Village - 83 km
Yanaizu Miyagi Japan Village - 84 km
Kozawa Iwate Japan Village - 85 km
Iinogawa Miyagi Japan Village - 86 km
Usuginu Iwate Japan Village - 86 km
Watanoha Miyagi Japan Village - 86 km
Aji Miyagi Japan Village - 87 km
Sarusawa Iwate Japan Village - 88 km
Nitoda Miyagi Japan Village - 88 km
Tono Iwate Japan Village 26000 people 89 km
Ishihama Iwate Japan Village - 89 km
Kamata Miyagi Japan Village - 89 km
Kamimachi Miyagi Japan Village - 89 km
Nagasaka Iwate Japan Village - 91 km
Ishinomaki Miyagi Japan City 110000 people 91 km
Otomomachi Iwate Japan Village - 91 km
Niita Iwate Japan Village - 91 km
Sanuma Miyagi Japan City - 91 km
Nishino Miyagi Japan Village - 93 km
Nekkomachi Iwate Japan Village - 93 km
Wakayanagi Miyagi Japan Village - 93 km
Ide Iwate Japan Village - 94 km
Tsugaruishi Iwate Japan Village - 94 km
Wakuchi Iwate Japan Village - 94 km
Wabuchi Miyagi Japan Village - 96 km
Omoe Iwate Japan Village - 96 km
Shinden Miyagi Japan Village - 97 km
Ichinoseki Iwate Japan City 62000 people 98 km
Sasasawa Iwate Japan Village - 99 km
Wakuya Miyagi Japan City 18000 people 99 km
Arikabe Miyagi Japan Village - 100 km
Tamoyama Iwate Japan Village - 101 km
Miyako Iwate Japan City 50000 people 101 km
Oyanagi Miyagi Japan Village - 102 km
Sawabe Miyagi Japan Village - 102 km
Takagi Miyagi Japan Village - 103 km
Esashi Iwate Japan Village 32000 people 103 km
Semine Miyagi Japan Village - 103 km
Mizusawa Iwate Japan City 60000 people 104 km
Hirawata Miyagi Japan Village - 105 km
Itsukushi Iwate Japan Village - 105 km
Tajiri Miyagi Japan Village - 105 km
Tsukidate Miyagi Japan Village - 106 km
Hirose Iwate Japan Village - 107 km
Matsuyama Miyagi Japan Village - 108 km
Takakiyomizu Miyagi Japan Village - 108 km
Iwagasaki Miyagi Japan Village - 109 km
Kitamata Iwate Japan Village - 109 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)
Matsushima 2 Civ. Paved Yes 8800
Hanamaki HNA 91 Civ. Paved Yes 6500
Kasuminome 5 0

Ports

Intensity Name LOCODE Country
Ofunato JPOFT Japan
Kesennuma Ko Japan
Kamaishi JPKIS Japan
Onagawa JPONG Japan
Yamada Japan
Ishinomaki JPISM Japan
Miyako JPMYK Japan
Shiogama JPSGM Japan

Dams

Intensity Reservoir Dam Name River Year
Naganuma Naganuma Hazamagawa 2005
Kejonuma Kejonuma Tajirigawa 1995
Kurikoma Kurikoma Sanhazamagawa 1961
Senganishitameike Senganishi Shukunaigawa 1934
Hanayamako Hanayama Hazamagawa 2004

Nuclear plants

Intensity Name Country Reactors
ONAGAWA JAPAN 3

More information

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