M 4.7 in Japan on 23 Oct 2012 00:37 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: 26.5 Km
Lat/Lon: 39.5704 , 143.027
Event Date: 23 Oct 2012 00:37 UTC
23 Oct 2012 10:37 Local
Exposed Population:
No people within 100km
Source: NEIC usb000db8e
Inserted at: 23 Oct 2012 00:53 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usb000db8e 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
120392 0.5 23 Oct 2012 00:37 4.7M, 26.5km N/A No people affected (in 100km) 00:16 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) . The nearest places are and Morioka.

Radius Population
100 km 98000 people
75 km no 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

Affected populated places

Name Region Province Country City class Population Distance
Morioka Iwate Japan Major city 290000 people 161 km

see full list

Critical infrastructure

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

Ports

Name LOCODE Country Distance
Miyako JPMYK Japan 91 km
Yamada Japan 92 km

More information

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