M 4.6 in Japan on 05 Feb 2016 07:02 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: 4.6M
Depth: 141.55 Km
Lat/Lon: 36.3624 , 139.1131
Event Date: 05 Feb 2016 07:02 UTC
05 Feb 2016 16:02 Local
Exposed Population:
28769696 people within 100km
Source: NEIC
Inserted at: 05 Feb 2016 09:51 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC -1 -1
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
1118559 -1 05 Feb 2016 07:02 4.6M, 141.55km N/A 28.8 million (in 100km) 02:48 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 Kanto (population 38,543,000) . The nearest places are Yokohama, Mito, Nagano, Chiba, Saitama, Kofu, Tokyo, Maebashi, Kawasaki, Yanaka, and Gokan.

Radius Population
100 km 28.8 million people
75 km 9.8 million people
50 km 3.5 million people
20 km 1.4 million people
10 km 620000 people
5 km 140000 people
2 km 16000 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Gokan Gunma Japan Village - 1 km
Komagata Gunma Japan Village - 2 km
Maebashi Gunma Japan Major city 280000 people 5 km
Tanakajima Gunma Japan Village - 5 km
Kyome Gunma Japan Village - 5 km
Kameizumi Gunma Japan Village - 6 km
Shimodaki Gunma Japan Village - 6 km
Yanaka Gunma Japan Village - 7 km
Moto-Soja Gunma Japan Village - 7 km
Kami-Bosoi Gunma Japan Village - 7 km
Ogo Gunma Japan Village - 7 km
Aramaki Gunma Japan Village - 8 km
Kawai Gunma Japan Village - 8 km
Higashi Gunma Japan Village - 8 km
Kami-Fukujima Gunma Japan Village - 8 km
Tada Gunma Japan Village - 8 km
Saitama Saitama Japan Major city 1.1 million people 43 km
Nagano Nagano Japan Major city 360000 people 88 km
Kofu Yamanashi Japan Major city 200000 people 92 km
Tokyo Tokyo Japan Capital 8.1 million people 100 km
Kawasaki Kanagawa Japan Major city 1.3 million people 107 km
Yokohama Kanagawa Japan Major city 3.6 million people 109 km
Mito Ibaraki Japan Major city 240000 people 113 km
Chiba Chiba Japan Major city 920000 people 124 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
Shimo Kolzumi 30 28 km
Onishi 20 36 km

Ports

Name LOCODE Country Distance
Tokyo JPTYO Japan 93 km
Ogasawara JPOGA Japan 98 km

Dams

Reservoir Dam Name River Year Distance
Makabechoseichi Makabe Tonegawa 1928 15 km
Narusawako Narusawa Harunashirakawa 1950 15 km

More information

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