M 4.9 in Mexico on 21 Apr 2015 13:01 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: 35 Km
Lat/Lon: 15.9984 , -96.6682
Event Date: 21 Apr 2015 13:01 UTC
21 Apr 2015 08:01 Local
Exposed Population:
730165 people within 100km
Source: NEIC
Inserted at: 21 Apr 2015 19:01 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0
Scaled population (vector) n.a  
  C1 earthquake n.a  
  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
1077166 0 21 Apr 2015 13:01 4.9M, 35km N/A 730 thousand (in 100km) 05:59 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 Mexico , State of Oaxaca (population 3,329,574) . The nearest places are Oaxaca, San Agust�n Loxicha, and Loxicha.

Radius Population
100 km 730000 people
75 km 480000 people
50 km 320000 people
20 km 58000 people
10 km 17000 people
5 km 7400 people
2 km 2000 people

Affected Provinces

Region Province Country Population
Oaxaca Mexico 3.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Loxicha Oaxaca Mexico Village - 5 km
San Agust�n Loxicha Oaxaca Mexico Village - 6 km
Oaxaca Oaxaca Mexico Major city 260000 people 118 km

see full list

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
Pochutla PUH unknown 39 km
Puerto Escondido PXM 88 Civ. Paved Yes 7500 47 km

Ports

Name LOCODE Country Distance
Puerto Angel Mexico 42 km
Punta Escondida Mexico 47 km

More information

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