M 4.9 in Solomon Islands on 17 Nov 2021 23:46 UTC
EQ parameters

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: 4.9M
Depth: 35 Km
Lat/Lon: -10.6176 , 165.2378
Event Date: 17 Nov 2021 23:46 UTC
18 Nov 2021 10:46 Local
Exposed Population:
20 thousand in 100km
Source: NEIC us7000fuyl
Inserted at: 18 Nov 2021 00:07 UTC
INFORM Coping capacity of the alert score
6.6 (Solomon Is.)


For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000fuyl Scaled population (vector) 3.91  
  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
1410523 0 17 Nov 2021 23:46 4.9M, 35km N/A 20 thousand (in 100km) 00:21 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 Trevanion, Bema, Malemgeulu, Matamotu, Menamini, Nudung, Nemboe, Malue, Nevea, Menelu, and Neembuna.

Radius Population
100 km 19000 people
75 km 15000 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
Trevanion Solomon Islands Village - 56 km
Bema Solomon Islands Village - 57 km
Malemgeulu Solomon Islands Village - 57 km
Matamotu Solomon Islands Village - 57 km
Menamini Solomon Islands Village - 59 km
Nudung Solomon Islands Village - 61 km
Nemboe Solomon Islands Village - 63 km
Malue Solomon Islands Village - 63 km
Nevea Solomon Islands Village - 64 km
Menelu Solomon Islands Village - 67 km
Noli Solomon Islands Village - 68 km
Nonea Solomon Islands Village - 69 km
Foa Solomon Islands Village - 69 km
Neembuna Solomon Islands Village - 69 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.


Name LOCODE Country Distance
Graciosa Bay Soloman Islands 66 km

More information

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