M 5.6 in United States on 18 Jul 2018 19:06 UTC
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: 5.6M
Depth: 28.04 Km
Lat/Lon: 54.4006 , -160.7164
Event Date: 18 Jul 2018 19:06 UTC
18 Jul 2018 08:06 Local
Exposed Population: Few people within 100km
Source: NEIC us2000g83v
Inserted at: 18 Jul 2018 20:09 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
NEIC 0 0
us2000g83v 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.

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
1220131 0 18 Jul 2018 19:06 5.5M, 10km N/A Few people (in 100km) 00:05 NTWC    
1220135 0 18 Jul 2018 19:06 5.7M, 13.02km 3.54 N/A (in MMI>=VII) 00:14 NEIC
1220141 0 18 Jul 2018 19:06 5.6M, 28.04km 3.77 N/A (in MMI>=VII) 01:03 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. The alertlevel for this event is GREEN

Intensity Population
no people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1220135 54.447/-160.802 5.7 13.02 3.54 18 Jul 2018 19:24 00:18 (new episode)
2 0 1220141 54.447/-160.802 5.7 13.02 3.54 18 Jul 2018 20:09 01:03 (new episode)
3 0 1220141 54.401/-160.716 5.6 28.04 3.77 18 Jul 2018 20:14 01:08 (upd of #2)
4 0 1220141 54.401/-160.716 5.6 28.04 3.77 18 Jul 2018 21:11 02:05 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Alaska United States no people
Alaska United States 2200 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Unga Alaska United States Village - 88 km
Squaw Harbor Alaska United States Village - 95 km
Belkofski Alaska United States Village - 115 km
Village Alaska United States Village - 117 km
Pauloff Harbor Alaska United States Village - 129 km
Sanak Alaska United States Village - 136 km
Herendeen Bay Alaska United States Village - 152 km
Port Moller Alaska United States Village - 177 km
Bear River Alaska United States Village - 197 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
Squaw Harbor unknown 0 93 km
Sand Point SDP 6 Civ. Paved Yes 4000 103 km
King Cove KVC 47 0 128 km
Pauloff Harbor KPH unknown 0 128 km
Herendeen Bay 6 0 156 km
Cold Bay CDB 30 Civ. Paved Yes 10400 157 km
Blinn Lake 15 0 162 km
Port Moller PML unknown 0 179 km
Nelson Lagoon NLG 4 0 181 km
Johnsons Landing 40 0 184 km

Ports

Intensity Name LOCODE Country Distance
Unga Wake Island 88 km
Baralof Bay Wake Island 93 km
Sand Point Wake Island 105 km
Belkofski Wake Island 114 km
King Cove Wake Island 126 km
Sanak Island Wake Island 137 km
Cold Bay Wake Island 156 km
Fort Randal Wake Island 159 km
Port Moller Wake Island 177 km

More information

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