M 7 in Southeast Of Loyalty Islands on 14 Sep 2022 11:04 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: 7.0M
Depth: 144.885 Km
Event Date: 14 Sep 2022 11:04 UTC
14 Sep 2022 22:04 Local
Exposed Population: About 9000 people in MMI
20 thousand in MMI&>=V
Source: NEIC us7000i7ya
Inserted at: 14 Sep 2022 12:02 UTC
INFORM Coping capacity of the alert score:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us7000i7ya Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 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
1461999 0 14 Sep 2022 11:04 7M, 141km N/A No people affected (in 100km) 0m (at 00:00) 00:09 GEOFON
1462000 0 14 Sep 2022 11:04 7M, 124km N/A No people affected (in 100km) 0m (at 00:00) 00:11 PTWC
1462001 0 14 Sep 2022 11:04 7M, 124km N/A No people affected (in 100km) 0m (at 00:00) 00:14 NTWC
1462003 0 14 Sep 2022 11:04 6.7M, 143.274km 4.67 N/A (in MMI>=VII) 0m (at 00:00) 00:23 NEIC
1462009 0 14 Sep 2022 11:04 7M, 144.885km 5.4 N/A (in MMI>=VII) 0m (at 00:00) 00:58 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: ""southeast of the Loyalty Islands""

Fault parameters

  • Latitude: -21.191
  • Longitude: 170.24
  • Length: 50 km
  • Width: 14 km
  • Magnitude: 7 M

Okada parameters:

  • Slip: 1.3 m
  • Strike: 329 (geogr angle: north=0, south=180)
  • Dip: 39 degree
  • Rake: 90 degree
  • Depth: 145 km

Calculation parameters

  • Calculation space (lon/lat): 165.74, -25.691, 174.74, -16.691
  • Instead of Step -> use Cell size:.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.