M 6.5 in Papua New Guinea from 01 Mar 2023 05:36 UTC to 05:36

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: 6.5M
Depth: 583 Km
Lat/Lon: -4.8 , 149.6
Event Date: 01 Mar 2023 05:36 UTC
01 Mar 2023 15:36 Local
Exposed Population: 100 thousand in MMI II
Source: NTWC at00rqtu8d
Inserted at: 01 Mar 2023 05:48 UTC
INFORM Coping capacity of the alert score
1.1 (Papua New Guinea)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
Tsunami GDACS score
NTWC 0 0 0
at00rqtu8d Scaled population (vector) 0 Max wave alert 0m  
  C1 rapid impact 0 Max wave realtime 0m  
  C2 rapid impact 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1492862 0 01 Mar 2023 05:36 6.5M, 582.6km N/A 100 thousand (in 100km) 0m (at 00:00) 00:10 PTWC
1492863 0 01 Mar 2023 05:36 6.5M, 583km 2.39 100 thousand (in 100km) 0m (at 00:00) 00:11 NTWC
1492865 0 01 Mar 2023 05:36 6.5M, 598.925km 2.21 N/A (in MMI>=VII) 0m (at 00:00) 00:19 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 off shore.

Radius Population
100 km 20000 people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Affected populated places

Name Region Province Country City class Population Distance
Lama West New Britain Papua New Guinea Village - 12 km
Widu West New Britain Papua New Guinea Village - 17 km
Potpot West New Britain Papua New Guinea Village - 19 km
Lambe West New Britain Papua New Guinea Village - 21 km
Witu Mission West New Britain Papua New Guinea Village - 21 km
Bali-Witu West New Britain Papua New Guinea Village - 50 km
Penatabotong West New Britain Papua New Guinea Village - 51 km
Manopo West New Britain Papua New Guinea Village - 52 km
Bali West New Britain Papua New Guinea Village - 54 km
Bulu Daba West New Britain Papua New Guinea Village - 55 km
Bulumuri West New Britain Papua New Guinea Village - 65 km
Wanguwangu West New Britain Papua New Guinea Village - 65 km
Woganakai West New Britain Papua New Guinea Village - 65 km
Buluwara West New Britain Papua New Guinea Village - 66 km
Volupai West New Britain Papua New Guinea Village - 67 km
Kumavavu West New Britain Papua New Guinea Village - 67 km
Liapo West New Britain Papua New Guinea Village - 68 km
Komaraki West New Britain Papua New Guinea Village - 69 km
Bagum West New Britain Papua New Guinea Village - 69 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
Witu WIU 1 Civ. Unpaved No 3000 22 km
Bali BAJ unknown 0 53 km
Talasea TLW unknown 0 78 km

Ports

Name LOCODE Country Distance
Peter Haven Papua New Guinea 15 km
Talasea PGTLW Papua New Guinea 77 km
Gilau PGGIL Papua New Guinea 98 km

More information

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