M 5.2 in Japan from 21 Dec 2007 22:05 UTC to 22:05
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: 5.2M
Depth: Km
Lat/Lon: 26.9 , 126.8
Event Date: 21 Dec 2007 22:05 UTC
22 Dec 2007 06:05 Local
Exposed Population:
about 10000 people within 100km
Source: JMA
Inserted at: 21 Dec 2007 23:18 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
33016 0.5 21 Dec 2007 22:05 5.2M, 110km N/A 10 thousand (in 100km) 01:13 JMA
33017 0.5 21 Dec 2007 22:05 5.3M, 97.9km N/A 9 thousand (in 100km) 01:27 NEIC
33027 0.5 21 Dec 2007 22:05 5.2M, 110.8km N/A 10 thousand (in 100km) 10:58 NEIC
33030 0.5 21 Dec 2007 22:05 5.3M, 112km N/A 10 thousand (in 100km) 11:19 EMSC
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) . The nearest places are Aguni, Hama, Nakachi, Maja, Nishime, Ohara, Nakadomari, Tomari, Gima, Fuija, and Tonaki.

Radius Population
100 km 12000 people
75 km 9800 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

Affected populated places

Name Region Province Country City class Population Distance
Aguni Okinawa Japan Village - 55 km
Hama Okinawa Japan Village - 56 km
Nakachi Okinawa Japan Village - 59 km
Maja Okinawa Japan Village - 60 km
Nishime Okinawa Japan Village - 60 km
Ohara Okinawa Japan Village - 61 km
Nakadomari Okinawa Japan Village - 61 km
Tomari Okinawa Japan Village - 61 km
Gima Okinawa Japan Village - 62 km
Fuija Okinawa Japan Village - 62 km
Shimajiri Okinawa Japan Village - 66 km
Tonaki Okinawa Japan Village - 69 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
Kumejima UEO 7 Civ. Paved Yes 6500 60 km
Ie Jima IEJ 75 Civ. Paved No 4900 100 km

Ports

Name LOCODE Country Distance
Kume Island Japan 58 km

More information

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