M 4.8 in Japan on 22 Nov 2012 23:26 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: 4.8M
Depth: 57.1 Km
Lat/Lon: 39.2159 , 142.217
Event Date: 22 Nov 2012 23:26 UTC
23 Nov 2012 08:26 Local
Exposed Population:
890000 people within 100km
Source: NEIC usc000dx79
Inserted at: 22 Nov 2012 23:46 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000dx79 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
121022 0.5 22 Nov 2012 23:26 4.8M, 57.1km N/A 890 thousand (in 100km) 00:19 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 950000 people
75 km 360000 people
50 km 140000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Country Region Province Population
Japan Tohoku 10 million people

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
Hanamaki HNA 91 Civ. Paved Yes 6500 94 km

Ports

Name LOCODE Country Distance
Kamaishi JPKIS Japan 26 km
Yamada Japan 36 km

More information

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