M 5.4 in United States on 12 Aug 2018 16:02 UTC

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: 5.4M
Depth: 5.5 Km
Lat/Lon: 69.5982 , -144.9546
Event Date: 12 Aug 2018 16:02 UTC
12 Aug 2018 08:02 Local
Exposed Population: About 300 people within 100km
Source: ALASKA EC ak20077947
Inserted at: 12 Aug 2018 17:06 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)		 GDACS score
ALASKA EC 0 0
ak20077947 Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1223624 0 12 Aug 2018 16:02 5.6M, 20km N/A Few people (in 100km) 00:04 NTWC    
1223625 0 12 Aug 2018 16:02 5.5M, 8.1km N/A Few people (in 100km) 00:05 ALASKA EC
1223626 0 12 Aug 2018 16:02 5.5M, 5km 5.95 N/A (in MMI>=VII) 00:06 ALASKA EC
1223628 0 12 Aug 2018 16:02 5.5M, 9.2km 5.95 N/A (in MMI>=VII) 00:08 ALASKA EC
1223630 0 12 Aug 2018 16:02 5.6M, 5.9km 6.91 N/A (in MMI>=VII) 00:09 ALASKA EC
1223632 0 12 Aug 2018 16:02 5.6M, 5.7km 6.91 N/A (in MMI>=VII) 00:17 ALASKA EC
1223633 0 12 Aug 2018 16:02 5.6M, 2.7km 7.1 N/A (in MMI>=VII) 00:20 ALASKA EC
1223634 0 12 Aug 2018 16:02 5.6M, 0.3km 6.14 N/A (in MMI>=VII) 00:23 ALASKA EC
1223653 0 12 Aug 2018 16:02 5.4M, 5.5km 4.96 N/A (in MMI>=VII) 01:03 ALASKA EC
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.

Exposed population

The earthquake happened in United States , State of Alaska (population 572,432) .

Radius Population
100 km <1000 people
75 km <1000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Alaska United States 570000 people

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Brown Low Point 2 0 45 km
West Kavik VKW unknown 0 76 km
Flaxman Island FXM unknown 0 80 km
Barter Island BTI 2 Civ. Unpaved Yes 4800 82 km

Ports

Name LOCODE Country Distance
Kaktovik Wake Island 80 km

More information

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