M 6.9 in North Of Ascension Island from 29 Aug 2016 04:29 UTC to 04:29

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: 6.9M
Depth: 10 Km
Event Date: 29 Aug 2016 04:29 UTC
29 Aug 2016 03:29 Local
Exposed Population: No people within 100km
Source: NEIC us20006uy6
Inserted at: 29 Aug 2016 04:54 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 1 0.5
us20006uy6 Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1138205 0.5 29 Aug 2016 04:29 6.8M, 10km N/A No people affected (in 100km) 0m (at 00:00) 00:08 GEOFON
1138211 0.5 29 Aug 2016 04:30 7.4M, 10km N/A No people affected (in 100km) 0.2m (at 01:48) 00:15 NTWC    
1138220 0.5 29 Aug 2016 04:29 6.9M, 10km N/A N/A (in MMI>=VII) 0m (at 00:00) 00:24 NEIC
1138225 0.5 29 Aug 2016 04:29 7.1M, 10km N/A N/A (in MMI>=VII) 0m (at 00:00) 00:54 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: "M6.9 North of Ascension Island"

Fault parameters

  • Latitude: -.072
  • Longitude: -17.814
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 74 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -20.814, -3.072, -14.814, 2.928
  • Instead of Step -> use Cell size:.5 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.