M 4.58 in United States on 12 Jul 2019 09:51 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: 4.6M
Depth: 28.82 Km
Lat/Lon: 47.8728333333333 , -122.016333333333
Event Date: 12 Jul 2019 09:51 UTC
12 Jul 2019 02:51 Local
Exposed Population: About 10000 people in MMI
4350000 people within 100km
Source: U WASH uw61535372
Inserted at: 15 Jul 2019 22:04 UTC
INFORM Coping capacity of the alert score: 2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
U WASH 0 0
uw61535372 Scaled population (raster) 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
1265322 0 12 Jul 2019 09:51 4.7M, 6km 4.46 N/A (in MMI>=VII) 00:19 NTWC
1265326 0 12 Jul 2019 09:51 4.57M, 22.31km 4.6 N/A (in MMI>=VII) 00:43 U WASH
1265334 0 12 Jul 2019 09:51 4.59M, 24.25km 4.61 N/A (in MMI>=VII) 03:18 U WASH
1265344 0 12 Jul 2019 09:51 4.58M, 28.82km 4.59 N/A (in MMI>=VII) 3d 12:13 U WASH
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 Washington (population 9,423) . The alertlevel for this event is GREEN

Intensity Population
11000 people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1265322 47.861/-122.062 4.7 26.98 4.73 12 Jul 2019 10:00 00:09 (new episode)
2 0 1265322 47.861/-122.062 4.7 26.98 4.46 12 Jul 2019 10:02 00:10 (upd of #1)
3 0 1265322 47.861/-122.062 4.7 26.98 4.46 12 Jul 2019 10:11 00:19 (upd of #2)
4 0 1265326 47.861/-122.062 4.7 26.98 4.46 12 Jul 2019 10:32 00:40 (new episode)
5 0 1265326 47.872/-122.008 4.6 22.31 4.6 12 Jul 2019 10:35 00:43 (upd of #4)
6 0 1265334 47.872/-122.008 4.6 22.31 4.6 12 Jul 2019 13:07 03:16 (new episode)
7 0 1265334 47.871/-122 4.6 24.25 4.61 12 Jul 2019 13:10 03:18 (upd of #6)
8 0 1265344 47.871/-122 4.6 24.25 4.61 12 Jul 2019 19:48 09:57 (new episode)
9 0 1265344 47.873/-122.016 4.6 28.82 4.59 12 Jul 2019 19:53 10:01 (upd of #8)
10 0 1265344 47.873/-122.016 4.6 28.82 4.59 15 Jul 2019 22:04 3d 12:13 (upd of #9)

Affected Provinces

Intensity Region Province Country Population
Washington United States 9400 people
Washington United States 440000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Monroe Washington United States Village 14000 people 3 km
Roosevelt Washington United States Village <1000 people 2 km
South Snohomish Washington United States Village - 7 km
Cathcart Washington United States Village 3000 people 7 km
High Rock Washington United States Village - 7 km
Snohomish Washington United States Village 8500 people 7 km
Three Lakes Washington United States Village 2500 people 8 km
Clearview Washington United States Village - 9 km
Larimers Corner Washington United States Village - 10 km
Maltby Washington United States Village 8300 people 10 km
Turner Corner Washington United States Village - 12 km
Machias Washington United States Village 1000 people 12 km
Sultan Washington United States Village 3300 people 14 km
Murphys Corner Washington United States Village - 14 km
Mill Creek Washington United States Village 12000 people 14 km
Cavalero Corner Washington United States Village - 15 km
West Lake Stevens Washington United States Village 18000 people 15 km
Cottage Lake Washington United States City 24000 people 15 km
Kennard Corner Washington United States Village - 15 km
Woodinville Washington United States Village 9200 people 16 km
Lake Stevens Washington United States Village 6400 people 16 km
Hartford Washington United States Village - 17 km
Martha Lake Washington United States Village 13000 people 17 km
Everett Washington United States City 91000 people 17 km
Fairmont Washington United States Village - 18 km
Novelty Washington United States Village - 18 km
Lochsloy Washington United States Village 2100 people 20 km
Mukilteo Washington United States Village 18000 people 23 km
Redmond Washington United States Village 45000 people 23 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
Firstair Field 15 0 2 km
Harvey Field 5 0 8 km
B & M Ranch 113 0 9 km
Jim & Julie's 5 0 11 km
Evergreen General Hospital 58 0 14 km
Wilson 11 0 16 km
Heineck Farm 3 0 17 km
Calkins Equipment Company 3 0 17 km
Ed Large Field 98 0 19 km
Roesler Timber Company 43 0 20 km
Naval Station Everett 6 0 20 km
Jobe Skis Plant 1 9 0 23 km

Ports

Intensity Name LOCODE Country Distance
Everett USEVT Wake Island 18 km
Mukiteo Wake Island 23 km

Dams

Intensity Reservoir Dam Name River Year Distance
Chaplain Lake South Dam Chaplain Creek 1930 16 km

More information

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