M 5 in Japan on 27 Feb 2012 16:29 UTC
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: 5.0M
Depth: Km
Lat/Lon: 25.5113 , 127.184
Event Date: 27 Feb 2012 16:29 UTC
28 Feb 2012 00:29 Local
Exposed Population:
640000 people within 100km
Source: NEIC usb00086w4
Inserted at: 27 Feb 2012 17:22 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usb00086w4 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
115115 0.5 27 Feb 2012 16:29 5M, 39.7km N/A 640 thousand (in 100km) 00:53 NEIC
115116 0.5 27 Feb 2012 16:29 5M, 41.4km N/A 740 thousand (in 100km) 00:58 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 Okinawa (population 1,242,315) .

Radius Population
100 km 700000 people
75 km <1000 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
Okinawa Japan 1.2 million people
Kyushu Japan 13.3 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
Naha OKA 5 Civ. Paved Yes 9800 89 km

Ports

Name LOCODE Country Distance
Naha JPNAH Japan 91 km

More information

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