M 5.3 in Japan from 02 May 2008 05:41 UTC to 05:41
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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 5.3M
Depth: Km
Lat/Lon: 37.2 , 141.8
Event Date: 02 May 2008 05:41 UTC
02 May 2008 14:41 Local
Exposed Population:
410000 people within 100km
Source: JMA
Inserted at: 02 May 2008 05:51 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
JMA 0.5 0.5
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
38524 0.5 02 May 2008 05:41 5.3M, 30km N/A 410 thousand (in 100km) 00:10 JMA
38525 0.5 02 May 2008 05:41 5.3M, 57km N/A 3.9 million (in 100km) 00:16 GEOFON
38526 0.5 02 May 2008 05:41 5.1M, 38.8km N/A 710 thousand (in 100km) 00:21 NEIC
38535 0.5 02 May 2008 05:41 5.2M, 38km N/A 1 million (in 100km) 02:45 EMSC
38537 0.5 02 May 2008 05:41 5M, 37.8km N/A 640 thousand (in 100km) 05:20 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) .

Radius Population
100 km 430000 people
75 km 19000 people
50 km no 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

Critical infrastructure

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

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 84 km

Dams

Reservoir Dam Name River Year Distance
Sakashita Sakashita Okawaragawa 1973 79 km
Ogaki Ogaki Ukedogawa 1985 89 km
Yokokawa Yokokawa Otagawa 1983 91 km
Takanokura Takanokura Mizunashigawa 1975 94 km
Takashibako Takashiba Samekawa 1961 99 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAINI JAPAN 4 69 km
FUKUSHIMA-DAIICHI JAPAN 6 72 km

More information

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