M 4.7 in Japan on 10 Apr 2014 04:19 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: 4.7M
Depth: 79.55 Km
Lat/Lon: 35.6641 , 139.9578
Event Date: 10 Apr 2014 04:19 UTC
10 Apr 2014 13:19 Local
Exposed Population:
38839164 people within 100km
Source: NEIC
Inserted at: 10 Apr 2014 04:45 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC -0.9 -0.9
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
1046346 -0.9 10 Apr 2014 04:19 4.7M, 79.55km N/A 38.8 million (in 100km) 00:26 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 Tokyo, Chiba, and Funabashi.

Radius Population
100 km 38.8 million people
75 km 35.1 million people
50 km 26.5 million people
20 km 6.2 million people
10 km 1.8 million people
5 km 260000 people
2 km 7700 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Funabashi Chiba Japan City 560000 people 5 km
Tokyo Tokyo Japan Capital 8.1 million people 12 km
Chiba Chiba Japan Major city 920000 people 17 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
Shimofusa 30 Civ. Paved Yes 7300 16 km
Shimoshizu 30 18 km

Ports

Name LOCODE Country Distance
Katunan Ko Japan 2 km
Anegasaki JPANE Japan 15 km
Ogasawara JPOGA Japan 15 km
Chiba JPCHB Japan 16 km
Tokyo JPTYO Japan 19 km
Goi JPGOI Japan 20 km

Dams

Reservoir Dam Name River Year Distance
Yamakura Yamakura Yamakuragawa 1964 25 km

More information

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