M 7.5 in Fiji from 06 Sep 2018 15:49 UTC to 15:49

Hazard models

EQ parameters
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: 7.5M
Depth: 662 Km
Event Date: 06 Sep 2018 15:49 UTC
07 Sep 2018 03:49 Local
Exposed Population: About 7000 people within 100km
Source: GEOFON gfz2018rmib
Inserted at: 06 Sep 2018 15:56 UTC
INFORM Coping capacity of the alert score:
3.4 (Fiji)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
GEOFON 0 0 0
gfz2018rmib Scaled population (vector) 0 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0m  
  C2 earthquake 0      
  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
1227268 0.1 06 Sep 2018 15:49 8.1M, 668.9km N/A 7 thousand (in 100km) 0.1m (at 02:48) 00:06 PTWC
1227269 0 06 Sep 2018 15:49 7.5M, 662km N/A 8 thousand (in 100km) 0m (at 00:00) 00:07 GEOFON
1227270 0.1 06 Sep 2018 15:49 8.1M, 669km N/A 9 thousand (in 100km) 0.1m (at 03:34) 00:08 NTWC    
1227273 0 06 Sep 2018 15:49 7.8M, 608.59km 3.76 N/A (in MMI>=VII) 0m (at 00:00) 00:22 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: "M7.5 Fiji Islands"

Fault parameters

  • Latitude: -18.53
  • Longitude: 179.47
  • Length: 89 km
  • Width: 24 km
  • Magnitude: 7.5 M

Okada parameters:

  • Slip: 2.3 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 662 km

Calculation parameters

  • Calculation space (lon/lat): 171.97, -26.03, 186.97, -11.03
  • Instead of Step -> use Cell size:1.15 minutes

Sea Level

More information

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

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