M 5 in Philippines on 20 Sep 2007 03:31 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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 5.0M
Depth: 37.6 Km
Lat/Lon: 19.2287 , 121.301
Event Date: 20 Sep 2007 03:31 UTC
20 Sep 2007 11:31 Local
Exposed Population:
about 84000 people within 100km
Source: NEIC
Inserted at: 20 Sep 2007 08:02 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 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
30604 0.5 20 Sep 2007 03:31 5.1M, 37.5km N/A 60 thousand (in 100km) 02:30 NEIC
30606 0.5 20 Sep 2007 03:31 5M, 37.6km N/A 80 thousand (in 100km) 04:31 NEIC
30613 0.5 20 Sep 2007 03:31 5M, 40km N/A 90 thousand (in 100km) 05:25 EMSC
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 Cagayan Valley (population 2,341,000) .

Radius Population
100 km 76000 people
75 km 18000 people
50 km 5400 people
20 km 1100 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Country Region Province Population
Philippines Cagayan Valley 2.3 million people
Philippines Ilocos 3.6 million people
Philippines Cordillera Administrative Region 1.1 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
Taggat 5 75 km

Ports

Name LOCODE Country Distance
Calayan Philippines 22 km
Claveria Philippines 73 km

More information

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