M 4.7 in Japan on 23 Nov 2013 18:42 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: 78.13 Km
Lat/Lon: 42.6 , 143.81
Event Date: 23 Nov 2013 18:42 UTC
24 Nov 2013 03:42 Local
Exposed Population:
636819 people within 100km
Source: NEIC
Inserted at: 23 Nov 2013 23:17 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC -1 -1
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
1023479 -1 23 Nov 2013 18:42 4.7M, 78.13km N/A 640 thousand (in 100km) 04:35 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 Hokkaido (population 5,808,054) . The nearest places are and Otsu.

Radius Population
100 km 640000 people
75 km 540000 people
50 km 50000 people
20 km <1000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Hokkaido Japan 5.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Otsu Hokkaido Japan Village - 16 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
Obihiro OBO 149 Civ. Paved Yes 8200 51 km
Kushiro KUH 95 Civ. Paved Yes 7500 58 km

Ports

Name LOCODE Country Distance
Otsu JPOTU Japan 17 km
Tokachi JPTOK Japan 56 km

Dams

Reservoir Dam Name River Year Distance
Ashoroko Kakkomi Biribetsugawa 1955 76 km

More information

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