M 5.7 in Solomon Islands on 21 May 2015 19:32 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: 5.7M
Depth: 5 Km
Lat/Lon: -9.7796 , 160.3321
Event Date: 21 May 2015 19:32 UTC
22 May 2015 06:32 Local
Exposed Population:
195740 people within 100km
Source: NEIC
Inserted at: 21 May 2015 23:19 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.6 0.6
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
1081427 0.7 21 May 2015 19:32 6M, 10km N/A 200 thousand (in 100km) 00:22 NEIC
1081440 0.5 21 May 2015 19:32 5.6M, 5km N/A 200 thousand (in 100km) 03:40 NEIC
1081441 0.6 21 May 2015 19:32 5.7M, 5km N/A 200 thousand (in 100km) 03:46 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 Honiara, Raurembo, Lova, and Ngalituturiha.

Radius Population
100 km 200000 people
75 km 140000 people
50 km 49000 people
20 km 4600 people
10 km 1300 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Solomon Is. Solomon Islands 370000 people

Affected populated places

Name Region Province Country City class Population Distance
Ngalituturiha Solomon Islands Village - 1 km
Lova Solomon Islands Village - 2 km
Raurembo Solomon Islands Village - 4 km
Honiara Solomon Islands Capital 56000 people 57 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
Avu Avu AVU unknown 14 km
Mbambanakira MBU unknown 46 km
Henderson International HIR 9 49 km

Ports

Name LOCODE Country Distance
Aola Bay Soloman Islands 33 km
Honiara SBHIR Soloman Islands 57 km

More information

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