M 4.7 in Japan on 22 Aug 2016 23:26 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: 44.94 Km
Lat/Lon: 24.2801 , 122.9416
Event Date: 22 Aug 2016 23:26 UTC
23 Aug 2016 08:26 Local
Exposed Population:
About 3421 people within 100km
Source: NEIC us10006fwi
Inserted at: 23 Aug 2016 00:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10006fwi 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
1137422 0 22 Aug 2016 23:26 5M, 43.74km N/A 3 thousand (in 100km) 00:30 NEIC
1137423 0 22 Aug 2016 23:26 4.7M, 44.94km N/A 3 thousand (in 100km) 00:33 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 and Kubura.

Radius Population
100 km 3400 people
75 km 1600 people
50 km 1600 people
20 km <1000 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
Taiwan China 22.5 million people
Fujian China 33.3 million people
Zhejiang China 45.9 million people

Affected populated places

Name Region Province Country City class Population Distance
Kubura Okinawa Japan Village - 19 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
Yonaguni OGN 21 Civ. Paved Yes 4900 21 km
Hateruma HTR unknown 0 89 km

Ports

Name LOCODE Country Distance
Irionote Island Japan 83 km

More information

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