M 5.1 in Indonesia from 20 Jul 2010 14:31 UTC to 14:31

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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 5.1M
Depth: 81 Km
Lat/Lon: -9.38 , 119.06
Event Date: 20 Jul 2010 14:31 UTC
20 Jul 2010 22:31 Local
Exposed Population:
700000 people within 100km
Source: GEOFON
Inserted at: 20 Jul 2010 14:42 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
GEOFON 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
90115 0.5 20 Jul 2010 14:31 5.1M, 81km N/A 700 thousand (in 100km) 00:11 GEOFON
90116 0.5 20 Jul 2010 14:31 5.3M, 88.6km N/A 980 thousand (in 100km) 00:23 NEIC
90117 0.5 20 Jul 2010 14:31 4.6M, 89.7km N/A 920 thousand (in 100km) 00:31 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 Indonesia , Province of Nusa Tenggara Timur (population 3,515,623) .

Radius Population
100 km 750000 people
75 km 400000 people
50 km 260000 people
20 km 38000 people
10 km 6000 people
5 km no people
2 km no people

Affected Provinces

Country Region Province Population
Indonesia Nusa Tenggara Timur 3.5 million people
Indonesia Nusa Tenggara Barat 3.6 million people

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
Tambolaka TMC 49 21 km

Ports

Name LOCODE Country Distance
Memboro Indonesia 49 km
Teluk Sape Indonesia 93 km

More information

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