M 5 in Solomon Is. on 28 Dec 2020 20:03 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: 5.0M
Depth: 58.62 Km
Lat/Lon: -11.3958 , 166.3213
Event Date: 28 Dec 2020 20:03 UTC
29 Dec 2020 07:03 Local
Exposed Population:
About 23000 people within 100km
Source: NEIC us6000d3re
Inserted at: 28 Dec 2020 21:44 UTC
INFORM Coping capacity of the alert score
6.6 (Solomon Is.)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000d3re Scaled population (vector) 3.84  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0.44  
  INFORM_normalised 1.18  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1350149 0 28 Dec 2020 20:03 5M, 64.63km N/A 20 thousand (in 100km) 00:20 NEIC
1350157 0 28 Dec 2020 20:03 5M, 58.62km N/A 20 thousand (in 100km) 01:41 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 Nimbau, Asimboa, Apakhö, Avita, Tanabili, Malombo, Nama, Vana, Lale, Vanikoro Is, and Arambu.

Radius Population
100 km 23000 people
75 km 4900 people
50 km 1800 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
Nimbau Solomon Islands Village - 19 km
Asimboa Solomon Islands Village - 19 km
Apakhö Solomon Islands Village - 21 km
Avita Solomon Islands Village - 24 km
Tanabili Solomon Islands Village - 26 km
Malombo Solomon Islands Village - 29 km
Nama Solomon Islands Village - 56 km
Vana Solomon Islands Village - 57 km
Lale Solomon Islands Village - 58 km
Vanikoro Is Solomon Islands Village - 61 km
Peu Solomon Islands Village - 63 km
Arambu Solomon Islands Village - 67 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 63 km

Ports

Name LOCODE Country Distance
Peu Soloman Islands 65 km
Graciosa Bay Soloman Islands 90 km

More information

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