M 4.9 in Japan on 21 Nov 2016 21:50 UTC
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: 4.9M
Depth: 10 Km
Lat/Lon: 37.3028 , 141.6021
Event Date: 21 Nov 2016 21:50 UTC
22 Nov 2016 06:50 Local
Exposed Population:
424753 people within 100km
Source: NEIC us10007b8y
Inserted at: 21 Nov 2016 22:13 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10007b8y Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1147743 0 21 Nov 2016 21:50 4.9M, 10km N/A 420 thousand (in 100km) 00:22 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 , Region of Tohoku (population 9,984,608) . The nearest places are Oragahama, Tomioka, Ide, Kami-Shigeoka, Shimo-Kitabo, Bogoya, Naraha, Kami-Asamigawa, Futaba, Kiyohashi, and Jikenjo.

Radius Population
100 km 630000 people
75 km 320000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people
Kanto Japan 38.5 million people
Chubu Japan 5.2 million people
Hokkaido Japan 5.8 million people
Kinki Japan 22.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Oragahama Fukushima Japan Village - 51 km
Tomioka Fukushima Japan Village - 53 km
Ide Fukushima Japan Village - 53 km
Kami-Shigeoka Fukushima Japan Village - 53 km
Shimo-Kitabo Fukushima Japan Village - 54 km
Bogoya Fukushima Japan Village - 54 km
Naraha Fukushima Japan Village - 55 km
Kami-Asamigawa Fukushima Japan Village - 55 km
Futaba Fukushima Japan Village - 55 km
Kiyohashi Fukushima Japan Village - 56 km
Takatsudo Fukushima Japan Village - 56 km
Yotsukura Fukushima Japan Village - 57 km
Ogawara Fukushima Japan Village - 58 km
Namie Fukushima Japan Village 22000 people 58 km
Okuma Fukushima Japan Village - 58 km
Arayashik Fukushima Japan Village - 58 km
Onaba Fukushima Japan Village - 58 km
Onoda Fukushima Japan Village - 59 km
Kariyado Fukushima Japan Village - 61 km
Odaka Fukushima Japan Village - 61 km
Hokidaira Fukushima Japan Village - 61 km
Omori Fukushima Japan Village - 62 km
Otojiro Fukushima Japan Village - 62 km
Gomaisawa Fukushima Japan Village - 63 km
Dozan Fukushima Japan Village - 63 km
Kayahama Fukushima Japan Village - 63 km
Aratame Fukushima Japan Village - 64 km
Nakanouchi Fukushima Japan Village - 64 km
Shimo-Takaku Fukushima Japan Village - 65 km
Nakayama Fukushima Japan Village - 65 km
Toyoma Fukushima Japan Village - 65 km
Sekimori Fukushima Japan Village - 66 km
Takahira Fukushima Japan Village - 67 km
Taira Fukushima Japan City - 67 km
Odashiro Fukushima Japan Village - 67 km
Uzugawa Fukushima Japan Village - 67 km
Shimo-Kawauchi Fukushima Japan Village - 68 km
Ena Fukushima Japan Village - 68 km
Haramachi Fukushima Japan Village 47000 people 68 km
Mishima Fukushima Japan Village - 68 km
Takahagi Fukushima Japan Village - 69 km
Minami-Ibi Fukushima Japan Village - 69 km
Ohahama Fukushima Japan Village - 69 km
Yoshima Fukushima Japan Village - 69 km
Shimo-Yata Fukushima Japan Village - 69 km
Eda Fukushima Japan Village - 70 km
Jikenjo Fukushima Japan Village - 70 km

see full list

Critical infrastructure

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

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 74 km
Soma JPSMA Japan 81 km

Dams

Reservoir Dam Name River Year Distance
Sakashita Sakashita Okawaragawa 1973 59 km
Ogaki Ogaki Ukedogawa 1985 68 km
Yokokawa Yokokawa Otagawa 1983 70 km
Takanokura Takanokura Mizunashigawa 1975 73 km
Takashibako Takashiba Samekawa 1961 86 km
Shitokiko Shitoki Shitokigawa 1983 90 km
Tamanotameike Tamano Udagawa 1945 92 km
Mizunuma Mizunuma Hanazonokawa 1966 96 km
Bobatako Sengozawa Kitasugawa 1974 100 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAINI JAPAN 4 50 km
FUKUSHIMA-DAIICHI JAPAN 6 52 km

More information

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