M 4.9 in United States on 12 Jul 2019 13:11 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: 4.9M
Depth: 9.67 Km
Lat/Lon: 35.6373329 , -117.5876694
Event Date: 12 Jul 2019 13:11 UTC
12 Jul 2019 06:11 Local
Exposed Population: About 21000 people in MMI
120000 people within 100km
Source: CALTECH ci38548295
Inserted at: 13 Jul 2019 13:15 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
CALTECH 0 0
ci38548295 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
1265335 0 12 Jul 2019 13:11 4.7M, 3.6km 5.81 N/A (in MMI>=VII) 00:04 CALTECH
1265337 0 12 Jul 2019 13:11 4.84M, 3.6km 5.81 150 thousand (in 100km) 00:06 CALTECH
1265338 0 12 Jul 2019 13:11 4.9M, 9.67km 6.36 N/A (in MMI>=VII) 1d 00:03 CALTECH
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 California (population 112) . The alertlevel for this event is GREEN

Intensity Population
21000 people
10000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1265335 35.557/-117.569 4.7 3.6 5.812 12 Jul 2019 13:16 00:04 (new episode)
2 0 1265338 35.637/-117.588 4 9.67 6.4 12 Jul 2019 13:19 00:08 (new episode)
3 0 1265338 35.637/-117.588 4.9 9.67 6.42 12 Jul 2019 13:29 00:18 (upd of #2)
4 0 1265338 35.638/-117.585 4.9 9.95 6.36 12 Jul 2019 13:43 00:31 (upd of #3)
5 0 1265338 35.638/-117.585 4.9 9.95 6.36 12 Jul 2019 14:15 01:03 (upd of #4)
6 0 1265338 35.638/-117.585 4.9 9.95 6.36 13 Jul 2019 01:15 12:03 (upd of #5)
7 0 1265338 35.638/-117.585 4.9 9.95 6.36 13 Jul 2019 13:15 1d 00:03 (upd of #6)

Affected Provinces

Intensity Region Province Country Population
California United States 21000 people
California United States 10000 people
California United States 2400 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
China Lake California United States Village - 6 km
Ridgecrest California United States Village 25000 people 8 km
Searles California United States Village - 18 km
Westend California United States Village - 19 km
Searles Valley California United States Village 1900 people 22 km
Trona California United States Village - 24 km
Red Mountain California United States Village - 31 km
Garlock California United States Village - 32 km
Atolia California United States Village - 36 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
Ridgecrest Community Hospital 698 0 8 km
China Lake Nwc 696 Mil. Paved Yes 9900 11 km
Inyokern IYK 749 Civ. Paved No 7100 22 km
Trona TRH 523 0 31 km

More information

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