M 6.4 in Solomon Is. on 15 Oct 2021 02:44 UTC

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: 6.4M
Depth: 22.55 Km
Lat/Lon: -8.8768 , 158.4815
Event Date: 15 Oct 2021 02:44 UTC
15 Oct 2021 13:44 Local
Exposed Population: About 4000 people in MMI
20 thousand in 100km
Source: NEIC us6000furk
Inserted at: 18 Oct 2021 14:59 UTC
INFORM Coping capacity of the alert score
6.6 (Solomon Is.)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us6000furk Scaled population (raster) 0.3 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1.18      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1402314 0.4 15 Oct 2021 02:44 6.6M, 33km N/A 30 thousand (in 100km) 0m (at 00:00) 3d 12:16 PTWC
1402316 0.4 15 Oct 2021 02:45 6.6M, 33km N/A 30 thousand (in 100km) 0m (at 00:00) 3d 12:15 NTWC
1402319 0 15 Oct 2021 02:44 6.4M, 22.55km 6.22 N/A (in MMI>=VII) 0m (at 00:00) 3d 12:14 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 Batuna, Saira, Nineveh, and Halisi.

Radius Population
100 km 24000 people
75 km 13000 people
50 km 5200 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
Northern Solomons Papua New Guinea 130000 people

Affected populated places

Name Region Province Country City class Population Distance
Batuna Solomon Islands Village - 54 km
Saira Solomon Islands Village - 59 km
Nineveh Solomon Islands Village - 66 km
Halisi Solomon Islands Village - 68 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
Sege EGM 3 0 75 km
Yandina XYA unknown 0 85 km
Viru QVU unknown 0 97 km

Ports

Name LOCODE Country Distance
Pipisala Bay Soloman Islands 73 km
Yandina SBXYA Soloman Islands 83 km
Viru Harbour SBVIU Soloman Islands 93 km

More information

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