M 7 in United States on 30 Nov 2018 17:29 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: 7.0M
Depth: 40.9 Km
Event Date: 30 Nov 2018 17:29 UTC
30 Nov 2018 08:29 Local
Exposed Population: 390000 people within 100km
Source: NEIC us1000hyfh
Inserted at: 30 Nov 2018 17:56 UTC
INFORM Coping capacity of the alert score: 2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0.9 0.1 0.9
us1000hyfh Scaled population (vector) 3.96 Max wave alert 0.11m  
  C1 shakemap -0.59 Max wave realtime 0.11m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.65      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1239013 0.9 30 Nov 2018 17:29 6.7M, 43.9km N/A 390 thousand 0m (at 00:00) 00:04 ALASKA EC
1239017 0.9 30 Nov 2018 17:29 6.6M, 42.8km N/A 390 thousand 0m (at 00:00) 00:10 ALASKA EC
1239019 1 30 Nov 2018 17:29 6.6M, 35.5km 7.05 390 thousand 0m (at 00:00) 00:11 ALASKA EC
1239027 1 30 Nov 2018 17:29 6.7M, 31.1km 7.05 390 thousand 0.1m (at 00:00) 00:14 ALASKA EC
1239028 0.8 30 Nov 2018 17:29 6.6M, 39.1km 7.59 390 thousand 0m (at 00:00) 00:15 ALASKA EC
1239035 0.9 30 Nov 2018 17:29 7M, 40.9km 7.59 390 thousand 0.1m (at 00:08) 00:27 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 Tsunami wave height is  0.1m in Hope, United States. This height is estimated for 30-Nov-2018 17:47:65.

Alert Date (UTC) Name Country Tsunami wave height (m)
30-Nov-2018 17:47:65 Hope United States  0.1
30-Nov-2018 18:11:94 Sunrise United States  0.1
30-Nov-2018 18:09:73 Girdwood United States  0.1
30-Nov-2018 17:29:00 Potter Hill United States  0.1
30-Nov-2018 17:29:00 Anchorage United States  0.1
30-Nov-2018 18:01:55 Birchwood United States  0.1
30-Nov-2018 17:29:00 John Fitzgerald Kennedy City United States  0.1

See full locations list (RSS)


Initial conditions

Title: ""13km N of Anchorage""

Fault parameters

  • Length: 50 km
  • Width: 14 km
  • Magnitude: 7 M

Okada parameters:

  • Slip: 1.3 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 41 km

Calculation parameters

  • Calculation space (lon/lat): -154.437, 56.84, -145.437, 65.84
  • Instead of Step -> use Cell size:.75 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.