Overall Green Earthquake alert in Philippines on 25 Sep 2012 10:41 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 4.9 in Philippines on 25 Sep 2012 10:41 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:	Km
Lat/Lon:	9.7173 , 126.702
Event Date:	25 Sep 2012 10:41 UTC 25 Sep 2012 18:41 Local
Exposed Population:	300000 people within 100km
Source:	NEIC usc000cvh1
Inserted at:	25 Sep 2012 11:01 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
usc000cvh1	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

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
119863		0.5	25 Sep 2012 10:41	4.9M, 57.7km	N/A	300 thousand (in 100km)		00:19	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 Philippines , Region of Northern Mindanao (population 3,510,000) . The nearest places are General Luna, Libertad, Caridad, and Pilar.

Radius	Population
100 km	460000 people
75 km	86000 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
Northern Mindanao	Philippines	3.5 million people
Southern Mindanao	Philippines	4.5 million people
Eastern Visayas	Philippines	3.1 million people
Central Visayas	Philippines	4.6 million people
Central Mindanao	Philippines	3.2 million people
Bicol	Philippines	3.9 million people
Western Visayas	Philippines	5.4 million people
Western Mindanao	Philippines	3.2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
General Luna	Northern Mindanao	Philippines	Village	-	60 km
Libertad	Northern Mindanao	Philippines	Village	-	63 km
Caridad	Northern Mindanao	Philippines	Village	-	68 km
Pilar	Northern Mindanao	Philippines	Village	2300 people	68 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
Siargao		3				0	83 km
Tandag	TDG	5	Civ.	Paved	No	4400	92 km

Ports

Name	Country	Distance
Dapa	Philippines	71 km
Numancia	Philippines	82 km
Tandag	Philippines	89 km

More information

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

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