M 6.9 in Southeast Of Loyalty Islands from 26 May 2022 15:37 UTC to 15:38

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: 6.9M
Depth: 10 Km
Event Date: 26 May 2022 15:38 UTC
27 May 2022 02:38 Local
Exposed Population: Few people affected in 100km
Source: NTWC at00rchy3g
Inserted at: 26 May 2022 15:51 UTC
INFORM Coping capacity of the alert score:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 Tsunami GDACS score
NTWC 0 0.1 0.1
at00rchy3g Scaled population (vector) 0 Max wave alert 0.19m  
  C1 rapid impact -0.59 Max wave realtime 0.19m  
  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
1445291 0.1 26 May 2022 15:38 6.9M, 10km N/A Few people (in 100km) 0.2m (at 00:52) 00:13 NTWC
1445292 0 26 May 2022 15:37 6.4M, 10km N/A N/A (in MMI>=VII) 0m (at 00:00) 00:23 NEIC
1445468 0 26 May 2022 15:37 6.4M, 10km N/A N/A (in MMI>=VII) 0m (at 00:00) 23:06 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

The maximum Wave height is  0.2m in Anelghowhat, Vanuatu. This height is estimated for 26-May-2022 16:30:97.

Alert Date (UTC) Name Country Wave height (m)
26-May-2022 16:30:97 Anelghowhat Vanuatu  0.2
26-May-2022 16:30:97 Umetch Vanuatu  0.2
26-May-2022 16:35:16 Isino Vanuatu  0.1

See full locations list (RSS)


Initial conditions

Title: ""southeast of the Loyalty Islands""

Fault parameters

  • Latitude: -22.9
  • Longitude: 172
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 281 (geogr angle: north=0, south=180)
  • Dip: 20 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 169, -25.9, 175, -19.9
  • Instead of Step -> use Cell size:.5 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.