M 4.6 in Japan on 03 Aug 2020 04:53 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: 4.6M
Depth: 10 Km
Lat/Lon: 26.3451 , 126.2733
Event Date: 03 Aug 2020 04:53 UTC
03 Aug 2020 12:53 Local
Exposed Population:
About 9000 people within 100km
Source: NEIC us6000b8ks
Inserted at: 03 Aug 2020 05:23 UTC
INFORM Coping capacity of the alert score
1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000b8ks Scaled population (vector) 4.09  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1324651 0 03 Aug 2020 04:53 4.6M, 10km N/A 10 thousand (in 100km) 00:29 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 Ohara, Nishime, Nakachi, Nakadomari, Gima, Fuija, Shimajiri, Tomari, and Maja.

Radius Population
100 km 9700 people
75 km 8400 people
50 km 5200 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
Taiwan China 22.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Ohara Okinawa Japan Village - 45 km
Nishime Okinawa Japan Village - 47 km
Nakachi Okinawa Japan Village - 47 km
Nakadomari Okinawa Japan Village - 47 km
Gima Okinawa Japan Village - 49 km
Fuija Okinawa Japan Village - 53 km
Shimajiri Okinawa Japan Village - 53 km
Tomari Okinawa Japan Village - 53 km
Maja Okinawa Japan Village - 53 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 44 km

Ports

Name LOCODE Country Distance
Kume Island Japan 47 km

More information

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