M 4.6 in Japan on 10 Oct 2016 16:00 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: 4.6M
Depth: 48.58 Km
Lat/Lon: 37.8719 , 141.8062
Event Date: 10 Oct 2016 16:00 UTC
11 Oct 2016 01:00 Local
Exposed Population:
301709 people within 100km
Source: NEIC us20007d3f
Inserted at: 10 Oct 2016 16:45 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us20007d3f 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
1142517 0 10 Oct 2016 16:00 4.6M, 48.58km N/A 300 thousand (in 100km) 00:44 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 Futawatashi, Aji, Oshika, Ikenohama, Ayukawahama, Niiyama, Kukunari, Oharahama, Kobuchi, Nitoda, and Sendai.

Radius Population
100 km 1.7 million people
75 km 43000 people
50 km <1000 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

Affected populated places

Name Region Province Country City class Population Distance
Futawatashi Miyagi Japan Village - 51 km
Aji Miyagi Japan Village - 53 km
Oshika Miyagi Japan Village - 53 km
Ikenohama Miyagi Japan Village - 54 km
Ayukawahama Miyagi Japan Village - 54 km
Niiyama Miyagi Japan Village - 55 km
Kukunari Miyagi Japan Village - 56 km
Oharahama Miyagi Japan Village - 57 km
Kobuchi Miyagi Japan Village - 58 km
Nitoda Miyagi Japan Village - 59 km
Odomari Miyagi Japan Village - 59 km
Tomari Miyagi Japan Village - 59 km
Koamikura Miyagi Japan Village - 62 km
Yagawa Miyagi Japan Village - 62 km
Fukkiura Miyagi Japan Village - 62 km
Yoriiso Miyagi Japan Village - 63 km
Kitsunezaki Miyagi Japan Village - 63 km
Samenoura Miyagi Japan Village - 63 km
Takenohama Miyagi Japan Village - 64 km
Terama Miyagi Japan Village - 68 km
Kotake Miyagi Japan Village - 68 km
Izushima Miyagi Japan Village - 70 km
Sendai Miyagi Japan Major city 1 million people 91 km

see full list

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Matsushima 2 Civ. Paved Yes 8800 78 km
Sendai SDJ 5 Civ. Paved Yes 9800 84 km
Kasuminome 5 0 86 km

Ports

Name LOCODE Country Distance
Onagawa JPONG Japan 70 km
Ishinomaki JPISM Japan 74 km
Soma JPSMA Japan 74 km
Shiogama JPSGM Japan 84 km

Dams

Reservoir Dam Name River Year Distance
Yokokawa Yokokawa Otagawa 1983 85 km
Takanokura Takanokura Mizunashigawa 1975 85 km
Ogaki Ogaki Ukedogawa 1985 90 km
Tarumizuko Tarumizu Masudagawa 1976 91 km
Sakashita Sakashita Okawaragawa 1973 94 km
Tamanotameike Tamano Udagawa 1945 94 km

Nuclear plants

Name Country Reactors Distance
ONAGAWA JAPAN 3 64 km
FUKUSHIMA-DAIICHI JAPAN 6 85 km
FUKUSHIMA-DAINI JAPAN 4 92 km

More information

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