M 6.3 in Solomon Is. on 22 Apr 2015 22:57 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: 6.3M
Depth: 72 Km
Lat/Lon: -12.0254 , 166.4238
Event Date: 22 Apr 2015 22:57 UTC
23 Apr 2015 09:57 Local
Exposed Population:
About 5784 people within 100km
Source: NEIC
Inserted at: 23 Apr 2015 00:31 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
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
1077299 n.a 22 Apr 2015 22:57 5.8M, 73.91km N/A 6 thousand (in 100km) 00:19 NEIC
1077307 n.a 22 Apr 2015 22:57 6.3M, 72km 4.67 6 thousand (in 100km) 01:33 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 Solomon Islands , of Solomon Is. (population 366,000) . The nearest places are Vanikoro Is, Peu, Lale, Nama, and Vana.

Radius Population
100 km 5600 people
75 km 2400 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
Solomon Is. Solomon Islands 370000 people
Vanuatu Vanuatu 170000 people

Affected populated places

Name Region Province Country City class Population Distance
Vanikoro Is Solomon Islands Village - 60 km
Peu Solomon Islands Village - 61 km
Lale Solomon Islands Village - 63 km
Nama Solomon Islands Village - 63 km
Vana Solomon Islands 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
Santa Cruz SCZ unknown 0 68 km

Ports

Name LOCODE Country Distance
Peu Soloman Islands 64 km

More information

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