M 7.7 in Papua New Guinea from 10 Sep 2022 23:46 UTC to 23:46

Hazard models

Rapid Impact
Shakemap
Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 7.7M
Depth: 10 Km
Event Date: 10 Sep 2022 23:46 UTC
11 Sep 2022 09:46 Local
Exposed Population: 70 thousand (in MMI>=VII)
Source: GEOFON gfz2022rufw
Inserted at: 10 Sep 2022 23:58 UTC
INFORM Coping capacity of the alert score:
7.6 (Papua New Guinea)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 Tsunami GDACS score
GEOFON 1.7 0 1.7
gfz2022rufw Scaled population (vector) 3.65 Max wave alert 0m  
  C1 rapid impact -0.59 Max wave realtime 0m  
  C2 rapid impact 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1.3      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1461336 1.7 10 Sep 2022 23:46 7.7M, 10km N/A 70 thousand (in 100km) 0m (at 00:00) 00:11 GEOFON
1461338 2.9 10 Sep 2022 23:46 7.7M, 78.8km 7.83 1.1 million (in 100km) 00:14 PTWC
1461339 2.8 10 Sep 2022 23:46 7.7M, 79km 7.83 1.1 million (in 100km) 00:15 NTWC
1461341 2.8 10 Sep 2022 23:46 7.6M, 61.37km 8.03 970 thousand (in MMI>=VII) 00:22 NEIC
1461351 2.9 10 Sep 2022 23:46 7.6M, 90.013km 7.89 1.2 million (in MMI>=VII) 01:09 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

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

See full locations list (RSS)


Initial conditions

Title: ""M7.7 Papua New Guinea Region""

Fault parameters

  • Latitude: -6.38
  • Longitude: 146.67
  • Length: 112 km
  • Width: 31 km
  • Magnitude: 7.7 M

Okada parameters:

  • Slip: 2.9 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 136.17, -16.88, 157.17, 4.12
  • Instead of Step -> use Cell size:1.75 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.