M 6.6 in Papua New Guinea on 07 Oct 2025 11:05 UTC

Hazard models

Rapid Impact
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: 6.6M
Depth: 99.4 Km
Event Date: 07 Oct 2025 11:05 UTC
07 Oct 2025 21:05 Local
Exposed Population: 190 thousand in MMI VI
Source: NEIC us6000rfb2
Inserted at: 07 Oct 2025 11:23 UTC
INFORM Coping capacity of the alert score:
7.6 (Papua New Guinea)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us6000rfb2 Scaled population (raster) 1.11 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1.3      
Maximum expected impact using different data sources.
Click on images to zoom it.

Episode Timeline

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1664680 1.5 07 Oct 2025 11:05 6.7M, 107.4km 6.48 420 thousand (in 100km) 0m (at 00:00) 00:09 PTWC
1664681 1.5 07 Oct 2025 11:05 6.7M, 107km N/A 420 thousand (in 100km) 0m (at 00:00) 00:10 NTWC
1664682 0 07 Oct 2025 11:05 6.6M, 99.4km 6.04 N/A (in MMI>=VII) 0m (at 00:00) 00:18 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.

Tsunami affected locations

Level Date (UTC) Name Country Wave height (m)

See full locations list (RSS)


Initial conditions

Title: ""M 6.6, 26 km WSW of Lae, Papua New Guinea""

Fault parameters

  • Latitude: -6.784
  • Longitude: 146.767
  • Length: 31 km
  • Width: 8 km
  • Magnitude: 6.6 M

Okada parameters:

  • Slip: .9 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 99 km

Calculation parameters

  • Calculation space (lon/lat): 145.267, -8.284, 148.267, -5.284
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

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