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
Lat/Lon: 61.34 , -149.9366
Event Date: 30 Nov 2018 17:29 UTC
30 Nov 2018 08:29 Local
Exposed Population: 100000 people in MMI>=VII
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) 3.99 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.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


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 (in 100km) 0m (at 00:00) 00:04 ALASKA EC
1239017 0.9 30 Nov 2018 17:29 6.6M, 42.8km N/A 390 thousand (in 100km) 0m (at 00:00) 00:10 ALASKA EC
1239019 1 30 Nov 2018 17:29 6.6M, 35.5km 7.05 210 thousand (in MMI>=VII) 0m (at 00:00) 00:11 ALASKA EC
1239027 1 30 Nov 2018 17:29 6.7M, 31.1km 7.05 210 thousand (in MMI>=VII) 0.1m (at 00:00) 00:14 ALASKA EC
1239028 0.8 30 Nov 2018 17:29 6.6M, 39.1km 7.59 40 thousand (in MMI>=VII) 0m (at 00:00) 00:15 ALASKA EC
1239035 0.9 30 Nov 2018 17:29 7M, 40.9km 7.59 110 thousand (in MMI>=VII) 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.

Exposed population

The earthquake happened in United States ,of Alaska (population 572,432) . The alertlevel for this event is GREEN

Intensity Population
4200 people
97000 people
230000 people
89000 people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 1 1239019 61.318/-149.944 6.7 43.9 7.05 30 Nov 2018 17:43 00:14 (new episode)
2 1 1239027 61.318/-149.944 6.7 43.9 7.05 30 Nov 2018 17:44 00:14 (new episode)
3 1 1239028 61.318/-149.944 6.7 43.9 7.05 30 Nov 2018 17:45 00:15 (new episode)
4 0.8 1239028 61.318/-149.944 6.7 43.9 7.05 30 Nov 2018 17:50 00:21 (upd of #3)
5 0.8 1239035 61.333/-149.933 6.6 39.1 7.26 30 Nov 2018 17:57 00:27 (new episode)
6 1 1239035 61.333/-149.933 6.6 39.1 7.26 30 Nov 2018 18:02 00:33 (upd of #5)
7 0.8 1239035 61.333/-149.933 6.6 39.1 7.26 30 Nov 2018 18:21 00:52 (upd of #6)
8 0.9 1239035 61.333/-149.933 6.6 39.1 7.26 30 Nov 2018 18:40 01:11 (upd of #7)
9 0.9 1239035 61.34/-149.937 6.6 40.9 7.72 30 Nov 2018 23:11 05:41 (upd of #8)

Affected Provinces

Intensity Region Province Country Population
Alaska United States 2500 people
Alaska United States 100000 people
Alaska United States 230000 people
Alaska United States 51000 people
Alaska United States <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
John Fitzgerald Kennedy City Alaska United States Village - 9 km
Bay City Alaska United States Village - 3 km
Anchorage Alaska United States Major city 260000 people 15 km
Eagle River Alaska United States Village - 20 km
Birchwood Alaska United States Village - 25 km
Chugiak Alaska United States Village - 25 km
Cottonwood Alaska United States Village - 27 km
Pittman Alaska United States Village - 32 km
Eklutna Alaska United States Village - 33 km
Houston Alaska United States Village 1200 people 34 km
Wasilla Alaska United States Village 5400 people 37 km
Tanaina Alaska United States Village 4900 people 42 km
Spenard Alaska United States Village - 17 km
Nunaka Valley Alaska United States Village - 17 km
Alexander Alaska United States Village - 37 km
Willow Alaska United States Village 1600 people 41 km
Kashwitna Alaska United States Village - 58 km
Girdwood Alaska United States Village - 59 km
Ladd Alaska United States Village - 70 km
Caswell Alaska United States Village - 72 km
Portage Alaska United States Village - 76 km
McDougal Alaska United States Village - 80 km
Old Tyonek Alaska United States Village - 81 km
Montana Alaska United States Village - 82 km
Rainbow Alaska United States Village - 41 km
Matanuska Alaska United States Village - 44 km
Gateway Alaska United States Village 2900 people 45 km
Silvertip Alaska United States Village - 73 km
Saxton Alaska United States Village - 75 km
Sunshine Alaska United States Village - 92 km
Skwentina Alaska United States Village - 95 km
Sterling Alaska United States Village 4700 people 101 km
Nkishka No 2 Alaska United States Village - 102 km
Nikiski Alaska United States Village 4300 people 104 km
Nikisnka Alaska United States Village - 108 km
Kenai Alaska United States Village 6900 people 113 km
Kustatan Alaska United States Village - 120 km
Eureka Roadhouse Alaska United States Village - 161 km
Port Ashton Alaska United States Village - 175 km
San Juan Cannery Alaska United States Village - 176 km
Crab Bay Alaska United States Village - 177 km
Latouche Alaska United States Village - 182 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Goose Bay 24 0
Twin Lake 61 0
Sleepers Strip 38 0
Point Mackenzie 22 0
Bryant Ahp FRN 115 0
Little Susitna 21 0
Big Lake BGQ 46 0
Fire Island 17 0
Settlers Bay Airstrip 55 0
Birchwood 29 Civ. Paved No 4000
Lincoln Village Airpark 76 0
Hilltop 114 0
Hunt Strip 61 0
Jack Fish Landing 46 0
Visnaw Lake 91 0
Satterburgs 107 0
Wicker WWA 96 Civ. Unpaved No 3700
Gannon's Landing 116 0
Wasilla Lake 101 0
Memory Lake 128 0
Elmendorf AFB EDF 65 Mil. Paved Yes 10000
Merrill Field MRI 42 Civ. Paved Yes 4000
Anchorage International ANC 44 Civ. Paved Yes 11500
Campbell Airstrip 87 0
Flying Crown 14 0
Rabbit Creek 11 0
Hardee Field 201 0
Nancy Lake 66 0
Honeybee Lake Aero Park 61 0
Gattis Strip 98 0
Four Corners 91 0
Boisselle's Strip 122 0
Bold 274 0
Hope 61 0
Laub 30 0
Jewell 34 0
Rustic Wilderness 58 0
Girdwood AQY 46 0
Beluga BVU 40 Priv. Unpaved Yes 5000
Tyonek TYE 34 0
South Gasline 116 0
Secluded Lake 91 0
Montana Creek 76 0
Parker Lake 76 0
Nikolai Creek 9 0
Colberg 38 0
Shirley Lake 56 0
Deshka Landing 34 0
B & B Boys Ranch 91 0
Willow WOW 67 Civ. Unpaved No 4400
Cardwell Strip 130 0
Sky Ranch At Pioneer Peak 37 0
Thomas Strip 58 0
Wasilla Creek Airpark 84 0
Kashwitna Lake 57 0
Skwentna SKW 45 Civ. Unpaved No 3400
Skilak Blm Helistop 84 0
Rotor Air 61 0
Dutch Landing Strip 91 0
Mackeys Lakes 53 0
Arness Lake 38 0
Dahler Homestead 91 0
Kenai Municipal ENA 28 Civ. Paved Yes 7500
Gaede 35 0
Doyle Estates 15 0
Sheep Mountain SMU 838 0
Gunsight Mountain 899 0
Skelton 1002 0
Oceanic OCI unknown 0
Chenega Bay 22 0
Falls Bay Spb FLJ unknown 0

Ports

Intensity Name LOCODE Country
Anchorage USANC Wake Island
Tyonek USTYE Wake Island
Palmer Wake Island
Nikiski USNKI Wake Island
Kenai Wake Island
West Foreland USWFO Wake Island
Crab Bay Wake Island

More information

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