M 6.4 in United States from 12 Aug 2018 14:58 UTC to 14:58

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: 6.4M
Depth: 20 Km
Lat/Lon: 69.725 , -145.136
Event Date: 12 Aug 2018 14:58 UTC
12 Aug 2018 06:58 Local
Exposed Population: About 300 people within 100km
Source: NTWC     at00pdcsa7
Inserted at: 12 Aug 2018 15:04 UTC
INFORM Coping capacity of the alert score
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC     0 0 0
at00pdcsa7 Scaled population (vector) 2.19 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0m  
  C2 earthquake 0      
  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
1223584 0 12 Aug 2018 14:58 6.4M, 20km N/A Few people (in 100km) 0m (at 00:00) 00:05 NTWC    
1223585 0 12 Aug 2018 14:58 6.5M, 3.4km N/A Few people (in 100km) 0m (at 00:00) 00:06 ALASKA EC
1223588 0 12 Aug 2018 14:58 6.4M, 3.1km 7.74 N/A (in MMI>=VII) 0m (at 00:00) 00:07 ALASKA EC
1223591 0.5 12 Aug 2018 14:58 6.5M, 1.3km 7.74 N/A (in MMI>=VII) 0.5m (at 00:00) 00:13 ALASKA EC
1223594 0 12 Aug 2018 14:58 6.5M, 2.8km 7.83 N/A (in MMI>=VII) 0m (at 00:00) 00:15 ALASKA EC
1223595 0 12 Aug 2018 14:58 6.5M, 0.1km 7.83 N/A (in MMI>=VII) 0m (at 00:00) 00:18 ALASKA EC
1223598 0 12 Aug 2018 14:58 6.4M, 5km 7.76 N/A (in MMI>=VII) 0m (at 00:00) 00:20 ALASKA EC
1223606 0 12 Aug 2018 14:58 6.1M, 9.9km 6.03 N/A (in MMI>=VII) 00:38 ALASKA EC
1223648 0 12 Aug 2018 14:58 6.4M, 9.9km 6.56 N/A (in MMI>=VII) 0m (at 00:00) 01:46 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 <1000 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 29 km
Flaxman Island FXM unknown 0 61 km
West Kavik VKW unknown 0 69 km
Barter Island BTI 2 Civ. Unpaved Yes 4800 74 km
Badami Airstrip 8 0 84 km
Fin Creek FNK unknown 0 99 km

Ports

Name LOCODE Country Distance
Kaktovik Wake Island 72 km

More information

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