M 4.5 in Japan on 12 Feb 2016 12:59 UTC
EQ parameters
Shakemap
Tsunami

Event summary

This is a preliminary assessment. The final GDACS Alert Level has been/will be published using more detailed information.

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 4.5M
Depth: 90.82 Km
Lat/Lon: 27.084 , 127.5359
Event Date: 12 Feb 2016 12:59 UTC
12 Feb 2016 21:59 Local
Exposed Population:
1008422 people within 100km
Source: NEIC
Inserted at: 12 Feb 2016 13:30 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
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
1119305 n.a 12 Feb 2016 12:59 4.5M, 90.82km N/A 1 million (in 100km) 00:30 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) . The nearest places are Shimajiri, Maetomari, Toguchi, Izena, Gakiya, Higashieue, Aguni, Hama, and Tana.

Radius Population
100 km 1 million people
75 km 99000 people
50 km 7600 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

Affected populated places

Name Region Province Country City class Population Distance
Shimajiri Okinawa Japan Village - 41 km
Izena Okinawa Japan Village - 43 km
Gakiya Okinawa Japan Village - 43 km
Maetomari Okinawa Japan Village - 44 km
Tana Okinawa Japan Village - 45 km
Higashieue Okinawa Japan Village - 50 km
Toguchi Okinawa Japan Village - 60 km
Aguni Okinawa Japan Village - 63 km
Hama Okinawa Japan Village - 64 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
Ie Jima IEJ 75 Civ. Paved No 4900 47 km
Kadena AB DNA 45 Mil. Paved Yes 12100 84 km
Yoron RNJ 16 Civ. Paved Yes 3900 86 km

Ports

Name LOCODE Country Distance
Oku Japan 74 km
Kin Wan JPKIN Japan 92 km
Heianza JPHEI Japan 92 km
Nishihara JPNHR Japan 97 km
Naha JPNAH Japan 98 km

Dams

Reservoir Dam Name River Year Distance
Kannako Kanna Kannafukujigawa 1993 78 km
Okukubi Okukubigawa 2001 79 km

More information

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