M 6.6 in Fiji on 30 Sep 2018 10:52 UTC

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: 6.6M
Depth: 551.19 Km
Event Date: 30 Sep 2018 10:52 UTC
30 Sep 2018 22:52 Local
Exposed Population: About 2000 people within 100km
Source: NEIC us1000h4l1
Inserted at: 30 Sep 2018 11:11 UTC
INFORM Coping capacity of the alert score:
1.1 (Fiji)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us1000h4l1 Scaled population (vector) 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
1230092 0 30 Sep 2018 10:52 6.8M, 590.7km N/A 2 thousand (in 100km) 0m (at 00:00) 00:07 PTWC
1230093 0 30 Sep 2018 10:52 6.8M, 591km N/A 2 thousand (in 100km) 0m (at 00:00) 00:10 NTWC    
1230095 0 30 Sep 2018 10:52 6.6M, 551.19km 2.78 N/A (in MMI>=VII) 0m (at 00:00) 00:18 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: "M6.6 FIJI REGION"

Fault parameters

  • Latitude: -18.34
  • Longitude: -178.11
  • Length: 31 km
  • Width: 8 km
  • Magnitude: 6.6 M

Okada parameters:

  • Slip: .9 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 546 km

Calculation parameters

  • Calculation space (lon/lat): -179.61, -19.84, -176.61, -16.84
  • Instead of Step -> use Cell size:.25 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.