M 6.8 in United States from 30 Aug 2013 16:25 UTC to 16:25

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: 6.8M
Depth: 33 Km
Event Date: 30 Aug 2013 16:25 UTC
30 Aug 2013 07:25 Local
Exposed Population:
About 100 people within 100km
Source: NEIC usb000jdt7
Inserted at: 30 Aug 2013 16:39 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 0 0
usb000jdt7 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
1007232 0 30 Aug 2013 16:25 6.8M, 33km N/A Few people (in 100km) 0m (at 00:00) 00:14 NEIC
1007245 0 30 Aug 2013 16:25 7M, 34.5km N/A Few people (in 100km) 0.1m (at 01:12) 00:23 NEIC
1007265 0 30 Aug 2013 16:25 7M, 33.5km N/A No people affected (in 100km) 0.1m (at 02:12) 01:50 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  0.1m in Atka, United States. This height is estimated for 30-Aug-2013 17:39:61.

Alert Date (UTC) Name Country Wave height (m)
30-Aug-2013 17:39:61 Atka United States  0.1

See full locations list (RSS)


Initial conditions

Title: " Andreanof Islands"

Fault parameters

  • Latitude: 52
  • Longitude: -172.8
  • Length: 39 km
  • Width: 11 km
  • Magnitude: 6.8 M

Okada parameters:

  • Slip: 1 m
  • Strike: 261 (geogr angle: north=0, south=180)
  • Dip: 15 degree
  • Rake: 90 degree
  • Depth: 33 km

Calculation parameters

  • Calculation space (lon/lat): -175.8, 49, -169.8, 55
  • Instead of Step -> use Cell size:.37 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.