M 4.7 in Eastern Honshu, Japan on 24 Aug 2014 08:26 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: 82.22 Km
Lat/Lon: 36 , 139.82
Event Date: 24 Aug 2014 08:26 UTC
24 Aug 2014 17:26 Local
Exposed Population:
40682560 people within 100km
Source: NEIC
Inserted at: 24 Aug 2014 09:09 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC -0.9 0
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
1058563 0 24 Aug 2014 08:26 4.7M, 82.22km N/A 40.7 million (in 100km) 00:42 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, Saitama, Hojubana, and Hoshubana.

Radius Population
100 km 40.7 million people
75 km 35.5 million people
50 km 23.8 million people
20 km 2.9 million people
10 km 610000 people
5 km 84000 people
2 km 12000 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Hojubana Saitama Japan Village - 3 km
Hoshubana Chiba Japan Village - 3 km
Saitama Saitama Japan Major city 1.1 million people 33 km
Tokyo Tokyo Japan Capital 8.1 million people 37 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
Chiba-ken 19 2 km
Honda 12 27 km
Shimofusa 30 Civ. Paved Yes 7300 28 km

Ports

Name LOCODE Country Distance
Tokyo JPTYO Japan 32 km
Ogasawara JPOGA Japan 36 km
Katunan Ko Japan 39 km

Dams

Reservoir Dam Name River Year Distance
Miyukiko Gongendochosetsuchi Nakagawa 1991 16 km

More information

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