M 4.7 in Japan on 28 Feb 2016 16:29 UTC

Hazard models

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: 4.7M
Depth: 88.69 Km
Lat/Lon: 25.2531 , 124.8492
Event Date: 28 Feb 2016 16:29 UTC
29 Feb 2016 00:29 Local
Exposed Population:
About 61322 people within 100km
Source: NEIC
Inserted at: 28 Feb 2016 17:54 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
1120865 n.a 28 Feb 2016 16:29 4.7M, 88.69km N/A 60 thousand (in 100km) 01:24 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 Karimata, Hirara, Shiokawa, Ichimasui, and Kuninaka.

Radius Population
100 km 61000 people
75 km 53000 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

Affected populated places

Name Region Province Country City class Population Distance
Kuninaka Okinawa Japan Village - 57 km
Karimata Okinawa Japan Village - 59 km
Ichimasui Okinawa Japan Village - 59 km
Hirara Okinawa Japan Village 34000 people 67 km
Shiokawa Okinawa Japan Village - 67 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
Shimojishima SHI 16 Civ. Paved Yes 9800 56 km
9 68 km
Hirara MMY 45 Civ. Paved Yes 6500 69 km

Ports

Name LOCODE Country Distance
Hirara Japan 65 km
Myako Island Japan 79 km

More information

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