M 4.8 in Japan on 04 Feb 2016 22:41 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: 4.8M
Depth: 31.56 Km
Lat/Lon: 35.564 , 139.6355
Event Date: 04 Feb 2016 22:41 UTC
05 Feb 2016 07:41 Local
Exposed Population:
39305648 people within 100km
Source: NEIC
Inserted at: 04 Feb 2016 23:06 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.2 0.2
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
1118518 0.2 04 Feb 2016 22:41 4.8M, 31.56km N/A 39.3 million (in 100km) 00:24 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, Shizuoka, Chiba, Saitama, Kofu, Tokyo, Maebashi, Kawasaki, Chofu, and Golanda.

Radius Population
100 km 39.3 million people
75 km 34.9 million people
50 km 30.5 million people
20 km 10.3 million people
10 km 3.6 million people
5 km 870000 people
2 km 140000 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Kawasaki Kanagawa Japan Major city 1.3 million people 7 km
Golanda Tokyo Japan Village - 9 km
Yokohama Kanagawa Japan Major city 3.6 million people 11 km
Chofu Tokyo Japan City 200000 people 12 km
Kanioshioacho Kanagawa Japan Village - 14 km
Asagaya Tokyo Japan Village - 15 km
Tsotuma K Tokyo Japan Village - 15 km
Hikago Kanagawa Japan Village - 16 km
Bessho Kanagawa Japan Village - 16 km
Okura Tokyo Japan Village - 16 km
Sagami Ono Kanagawa Japan Village - 17 km
Minami Yamato Kanagawa Japan Village - 17 km
Shimo-Yabe Tokyo Japan Village - 17 km
Tokyo Tokyo Japan Capital 8.1 million people 21 km
Chiba Chiba Japan Major city 920000 people 45 km
Saitama Saitama Japan Major city 1.1 million people 64 km
Kofu Yamanashi Japan Major city 200000 people 96 km
Maebashi Gunma Japan Major city 280000 people 105 km
Mito Ibaraki Japan Major city 240000 people 109 km
Shizuoka Shizuoka Japan Major city 700000 people 131 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
Yokohama YOK unknown 11 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 13 km
Chofu 41 Civ. Paved No 3200 15 km

Ports

Name LOCODE Country Distance
Kawasaki JPKWS Japan 12 km
Yokohama JPYOK Japan 12 km
Neghisi JPNGI Japan 18 km
Ogasawara JPOGA Japan 19 km
Tokyo JPTYO Japan 20 km

Dams

Reservoir Dam Name River Year Distance
Tamako Murayamashimo Tamagawa 2008 29 km

More information

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