M 6.6 in United States on 30 Nov 2018 17:29 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: 6.6M
Depth: 39.1 Km
Lat/Lon: 61.3334 , -149.9331
Event Date: 30 Nov 2018 17:29 UTC
30 Nov 2018 08:29 Local
Exposed Population: Less then 100 people in MMI VIII
390000 people within 100km
Source: ALASKA EC ak20419010
Inserted at: 30 Nov 2018 17:44 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
ALASKA EC 0.8 0 0.8
ak20419010 Scaled population (vector) 3.65 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  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 5,859) . The alertlevel for this event is GREEN

Intensity Population
<1000 people
43000 people
280000 people
48000 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 38000 people
Alaska United States 280000 people
Alaska United States 44000 people
Alaska United States 53000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Bay City Alaska United States Village - 4 km
John Fitzgerald Kennedy City Alaska United States Village - 9 km
Eagle River Alaska United States Village - 19 km
Birchwood Alaska United States Village - 25 km
Chugiak Alaska United States Village - 25 km
Pittman Alaska United States Village - 33 km
Eklutna Alaska United States Village - 33 km
Houston Alaska United States Village 1200 people 34 km
Anchorage Alaska United States Major city 260000 people 15 km
Spenard Alaska United States Village - 16 km
Nunaka Valley Alaska United States Village - 17 km
Cottonwood Alaska United States Village - 27 km
Alexander Alaska United States Village - 37 km
Wasilla Alaska United States Village 5500 people 38 km
Willow Alaska United States Village 1700 people 41 km
Tanaina Alaska United States Village 5000 people 42 km
Rainbow Alaska United States Village - 40 km
Matanuska Alaska United States Village - 44 km
Gateway Alaska United States Village 3000 people 46 km
Girdwood Alaska United States Village - 59 km
Kashwitna Alaska United States Village - 59 km
Ladd Alaska United States Village - 69 km
Caswell Alaska United States Village - 73 km
Old Tyonek Alaska United States Village - 81 km
McDougal Alaska United States Village - 81 km
Montana Alaska United States Village - 83 km
Palmer Alaska United States Village 4500 people 53 km
Moose Creek Alaska United States Village - 61 km
Jonesville Alaska United States Village - 69 km
Eska Alaska United States Village - 71 km
Silvertip Alaska United States Village - 72 km
Saxton Alaska United States Village - 75 km
Portage Alaska United States Village - 76 km
Sunshine Alaska United States Village - 93 km
Skwentina Alaska United States Village - 95 km
Sterling Alaska United States Village 4700 people 100 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
Soldotna Alaska United States Village 3800 people 112 km
Soldocna Alaska United States Village - 113 km
Kenai Alaska United States Village 6900 people 113 km
Kustatan Alaska United States Village - 120 km
Port Ashton Alaska United States Village - 175 km
San Juan Cannery Alaska United States Village - 175 km
Crab Bay Alaska United States Village - 176 km
Latouche Alaska United States Village - 181 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) Distance
Goose Bay 24 0 8 km
Sleepers Strip 38 0 9 km
Point Mackenzie 22 0 11 km
Bryant Ahp FRN 115 0 17 km
Little Susitna 21 0 18 km
Fire Island 17 0 22 km
Big Lake BGQ 46 0 23 km
Settlers Bay Airstrip 55 0 25 km
Birchwood 29 Civ. Paved No 4000 25 km
Lincoln Village Airpark 76 0 27 km
Twin Lake 61 0 28 km
Hilltop 114 0 28 km
Hunt Strip 61 0 32 km
Visnaw Lake 91 0 35 km
Satterburgs 107 0 35 km
Gannon's Landing 116 0 37 km
Elmendorf AFB EDF 65 Mil. Paved Yes 10000 12 km
Merrill Field MRI 42 Civ. Paved Yes 4000 14 km
Anchorage International ANC 44 Civ. Paved Yes 11500 18 km
Campbell Airstrip 87 0 21 km
Flying Crown 14 0 26 km
Rabbit Creek 11 0 29 km
Jack Fish Landing 46 0 34 km
Wicker WWA 96 Civ. Unpaved No 3700 35 km
Nancy Lake 66 0 39 km
Wasilla Lake 101 0 39 km
Memory Lake 128 0 43 km
Hardee Field 201 0 34 km
Honeybee Lake Aero Park 61 0 43 km
Gattis Strip 98 0 43 km
Colberg 38 0 43 km
Four Corners 91 0 45 km
Shirley Lake 56 0 45 km
Deshka Landing 34 0 46 km
B & B Boys Ranch 91 0 46 km
Boisselle's Strip 122 0 47 km
Willow WOW 67 Civ. Unpaved No 4400 47 km
Cardwell Strip 130 0 48 km
Sky Ranch At Pioneer Peak 37 0 49 km
Bold 274 0 51 km
Hope 61 0 51 km
Thomas Strip 58 0 52 km
Laub 30 0 53 km
Jewell 34 0 55 km
Kashwitna Lake 57 0 56 km
Rustic Wilderness 58 0 61 km
Beluga BVU 40 Priv. Unpaved Yes 5000 62 km
Tyonek TYE 34 0 71 km
South Gasline 116 0 72 km
Secluded Lake 91 0 77 km
Montana Creek 76 0 83 km
Butte Municipal 20 0 53 km
Palmer Municipal PAQ 71 Civ. Paved Yes 6000 54 km
Wasilla Creek Airpark 84 0 55 km
Downwind Landing 67 0 57 km
Abi 229 0 58 km
Girdwood AQY 46 0 60 km
Jonesville Mine 265 0 69 km
Parker Lake 76 0 84 km
Nikolai Creek 9 0 89 km
West Papoose Lake Airpark 76 0 90 km
Graham 308 0 92 km
Skwentna SKW 45 Civ. Unpaved No 3400 97 km
Skilak Blm Helistop 84 0 99 km
Offshore Ststems-Kenai 46 0 99 km
Rotor Air 61 0 101 km
Carty's Airstrip 46 0 102 km
Dutch Landing Strip 91 0 102 km
Mackeys Lakes 53 0 107 km
Arness Lake 38 0 107 km
Dahler Homestead 91 0 107 km
Talkeetna TKA 109 Civ. Paved Yes 3500 110 km
Kenai Municipal ENA 28 Civ. Paved Yes 7500 111 km
Soldotna SXQ 33 Civ. Paved Yes 5000 113 km
Trading Bay Production 61 0 116 km
Gaede 35 0 117 km
Doyle Estates 15 0 117 km
Oceanic OCI unknown 0 166 km
Port Oceanic PRL unknown 0 171 km
Chenega Bay 22 0 176 km
Falls Bay Spb FLJ unknown 0 179 km

Ports

Intensity Name LOCODE Country Distance
Anchorage USANC Wake Island 14 km
Palmer Wake Island 50 km
Tyonek USTYE Wake Island 72 km
Nikiski USNKI Wake Island 108 km
Kenai Wake Island 113 km
West Foreland USWFO Wake Island 119 km
Crab Bay Wake Island 176 km

More information

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