M 4.9 in Solomon Islands on 20 Sep 2016 00:05 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: 4.9M
Depth: 73.29 Km
Lat/Lon: -10.9632 , 162.4938
Event Date: 20 Sep 2016 00:05 UTC
20 Sep 2016 11:05 Local
Exposed Population:
About 23733 people within 100km
Source: NEIC us10006qy5
Inserted at: 20 Sep 2016 00:33 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
us10006qy5 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
1140436 n.a 20 Sep 2016 00:05 4.9M, 73.29km N/A 20 thousand (in 100km) 00:28 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 Solomon Islands , of Solomon Is. (population 366,000) . The nearest places are Ragapu, Nafinotoga, Santa Ana I, Ghupuna, Fageifa, Mami, Star Harb, Geta, Funakumwa, and Mwarairaru.

Radius Population
100 km 24000 people
75 km 17000 people
50 km 10000 people
20 km 1500 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Solomon Is. Solomon Islands 370000 people

Affected populated places

Name Region Province Country City class Population Distance
Ragapu Solomon Islands Village - 10 km
Nafinotoga Solomon Islands Village - 13 km
Santa Ana I Solomon Islands Village - 13 km
Ghupuna Solomon Islands Village - 14 km
Fageifa Solomon Islands Village - 21 km
Mami Solomon Islands Village - 22 km
Star Harb Solomon Islands Village - 25 km
Geta Solomon Islands Village - 26 km
Funakumwa Solomon Islands Village - 29 km
Mwarairaru Solomon Islands Village - 31 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
Santa Ana NNB unknown 0 13 km
Kirakira IRA 2 0 86 km

Ports

Name LOCODE Country Distance
Cape Surville Soloman Islands 20 km
Kira Kira Soloman Islands 86 km

More information

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