M 4.5 in Mexico on 20 Jul 2016 19:06 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: 4.5M
Depth: 47.26 Km
Lat/Lon: 16.6442 , -97.8561
Event Date: 20 Jul 2016 19:06 UTC
20 Jul 2016 14:06 Local
Exposed Population:
987350 people within 100km
Source: NEIC us20006g9b
Inserted at: 20 Jul 2016 19:51 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us20006g9b 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
1134382 0 20 Jul 2016 19:06 4.5M, 47.26km N/A 990 thousand (in 100km) 00:44 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, and La Reforma.

Radius Population
100 km 990000 people
75 km 660000 people
50 km 340000 people
20 km 24000 people
10 km 5100 people
5 km 2000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Oaxaca Mexico 3.3 million people

Affected populated places

Name Region Province Country City class Population Distance
La Reforma Oaxaca Mexico Village - 4 km
Oaxaca Oaxaca Mexico Major city 260000 people 127 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
Pinotepa Nacional PNO unknown 43 km
Ta lo de Soto 149 63 km
Tlaxiaco 2045 65 km

More information

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