M 7.4 in Mexico on 18 Apr 2014 14:27 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: 7.4M
Depth: 52 Km
Lat/Lon: 17.6 , -100.9
Event Date: 18 Apr 2014 14:27 UTC
18 Apr 2014 09:27 Local
Exposed Population:
560000 people within 100km
Source: USGS pt14108001
Inserted at: 18 Apr 2014 17:10 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
USGS 0 0.3 0.2
pt14108001 Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.26m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1047363 1 18 Apr 2014 14:27 7.1M, 10km N/A 540 thousand (in 100km) 0m (at 00:38) 00:06 GEOFON
1047368 1.2 18 Apr 2014 14:27 7.5M, 51.8km N/A 580 thousand (in 100km) 0.3m (at 00:34) 00:13 NEIC
1047371 0.3 18 Apr 2014 14:27 7.5M, 51.8km N/A 580 thousand (in 100km) 0.3m (at 00:34) 00:17 USGS
1047373 1.2 18 Apr 2014 14:27 7.5M, 48.61km N/A 690 thousand (in 100km) 0.2m (at 00:38) 00:21 NEIC
1047379 1.1 18 Apr 2014 14:27 7.2M, 24km N/A 630 thousand (in 100km) 0.1m (at 00:34) 00:59 NEIC
1047399 0.2 18 Apr 2014 14:27 7.4M, 52km N/A 560 thousand (in 100km) 0.3m (at 00:36) 02:42 USGS
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 Mexico , State of Guerrero (population 2,867,451) .

Radius Population
100 km 560000 people
75 km 290000 people
50 km 130000 people
20 km 2800 people
10 km 1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Country Region Province Population
Mexico Guerrero 2.9 million people
Mexico Michoacan 3.9 million people

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Ixtapa Zihuatanejo International ZIH 6 Civ. Paved Yes 8200 49 km
Santa Barbara 299 91 km

More information

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