M 4.8 in Philippines from 20 Jul 2009 17:14 UTC to 17:14

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: 4.8M
Depth: Km
Lat/Lon: 19.18 , 120.18
Event Date: 20 Jul 2009 17:14 UTC
21 Jul 2009 01:14 Local
Exposed Population:
about 30000 people within 100km
Source: GEOFON
Inserted at: 21 Jul 2009 08:03 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
GEOFON 0.5 0.5
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
61755 0.5 20 Jul 2009 17:15 4.8M, 362km N/A No people affected (in 100km) 00:18 GEOFON
61756 0.5 20 Jul 2009 17:14 4.6M, 38.7km N/A No people affected (in 100km) 00:24 NEIC
61775 0.5 20 Jul 2009 17:14 4.9M, 2km N/A 30 thousand (in 100km) 13:09 EMSC
61783 0.5 20 Jul 2009 17:14 4.8M, 32km N/A 30 thousand (in 100km) 14:49 GEOFON
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 Philippines , Region of Ilocos (population 3,551,000) .

Radius Population
100 km no people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Ilocos Philippines 3.6 million people
Cordillera Administrative Region Philippines 1.1 million people
Cagayan Valley Philippines 2.3 million people
Central Luzon Philippines 6.2 million people
Southern Tagalog Philippines 8.3 million people
National Capital Region Philippines 7.9 million people

Critical infrastructure

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

More information

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