M 4.5 in Indonesia on 20 Apr 2017 04:38 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: 4.5M
Depth: 130.77 Km
Lat/Lon: 5.4595 , 127.2732
Event Date: 20 Apr 2017 04:38 UTC
20 Apr 2017 12:38 Local
Exposed Population:
About 6000 people within 100km
Source: NEIC us10008j67
Inserted at: 20 Apr 2017 05:12 UTC
INFORM Coping capacity of the alert score
1.1 (Indonesia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
us10008j67 Scaled population (vector) 0  
  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
1164627 n.a 20 Apr 2017 04:38 4.5M, 130.77km N/A 7 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 Indonesia , Province of Sulawesi Utara (population 2,665,773) .

Radius Population
100 km 6600 people
75 km no 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
Sulawesi Utara Indonesia 2.7 million people
Southern Mindanao Philippines 4.5 million people
Central Mindanao Philippines 3.2 million people
Northern Mindanao Philippines 3.5 million people
Maluku Indonesia 2 million people
Western Mindanao Philippines 3.2 million people

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Name LOCODE Country Distance
Talaud Island Indonesia 95 km

More information

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