M 4.6 in Indonesia on 21 Oct 2016 21:46 UTC
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: 4.6M
Depth: 117.6 Km
Lat/Lon: -3.9003 , 128.8951
Event Date: 21 Oct 2016 21:46 UTC
22 Oct 2016 06:46 Local
Exposed Population:
502843 people within 100km
Source: NEIC us20007g0u
Inserted at: 21 Oct 2016 23:27 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
us20007g0u 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
1143613 n.a 21 Oct 2016 21:46 4.6M, 117.6km N/A 500 thousand (in 100km) 01:40 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 Maluku (population 1,991,398) . The nearest places are Saparua, Haria, Nolot, Latu, Amahai, Kampong Pelauw, Haruku, Sepa, Namanan, and Tihulale.

Radius Population
100 km 500000 people
75 km 150000 people
50 km 30000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Maluku Indonesia 2 million people
Irian Jaya Indonesia 1.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Saparua Maluku Indonesia Village - 46 km
Haria Maluku Indonesia Village - 46 km
Nolot Maluku Indonesia Village - 49 km
Latu Maluku Indonesia Village - 59 km
Amahai Maluku Indonesia Village 47000 people 62 km
Kampong Pelauw Maluku Indonesia Village - 64 km
Haruku Maluku Indonesia Village - 64 km
Sepa Maluku Indonesia Village - 66 km
Namanan Maluku Indonesia Village - 66 km
Tihulale Maluku Indonesia Village - 66 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
Amahai AHI unknown 0 63 km
Pattimura AMQ 10 Civ. Paved Yes 6000 92 km

Ports

Name LOCODE Country Distance
Saparua Indonesia 44 km
Amahai Indonesia 63 km
Ambon IDAMQ Indonesia 85 km

More information

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