M 6.2 in Southeast Of Loyalty Islands from 14 Aug 2022 21:04 UTC to 21:04

Event summary|Scenario pre-calculated

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

Earthquake Magnitude: 6.2M
Depth: 105 Km
Event Date: 14 Aug 2022 21:04 UTC
15 Aug 2022 08:04 Local
Exposed Population: Few people affected in MMI -
Source: GEOFON gfz2022pwrx
Inserted at: 16 Aug 2022 06:27 UTC
INFORM Coping capacity of the alert score:
1.1 ()

This is a pre-calculated grid scenario. The exact calculation for this event is available here

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
Tsunami GDACS score
GEOFON 0 0 0
gfz2022pwrx Scaled population (vector) 0 Max wave scenario 0m  
  C1 rapid impact -0.59 Max wave realtime 0m  
  C2 rapid impact 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1456901 0 14 Aug 2022 21:04 6.2M, 105km 4.9 Few people (in 100km) 0m (at 00:00) 1d 09:22 GEOFON
1456905 0 14 Aug 2022 21:04 6.2M, 82.536km 5.08 N/A (in MMI>=VII) 0m (at 00:00) 1d 09:23 NEIC
1456937 0 14 Aug 2022 21:04 6.1M, 80.644km 4.88 N/A (in MMI>=VII) 1d 09:25 NEIC
1457070 0 14 Aug 2022 21:04 6.4M, 78km 5.59 N/A (in MMI>=VII) 0m (at 00:00) 1d 09:27 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: "Case 171 -22 6.5"

Fault parameters

  • Latitude: -22
  • Longitude: 171
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 300 (geogr angle: north=0, south=180)
  • Dip: 39 degree
  • Rake: 90 degree
  • Depth: 5 km

Calculation parameters

  • Calculation space (lon/lat): 169.5, -23.5, 172.5, -20.5
  • 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.