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 5.1 in Philippines on 31 Jul 2022 18:48 UTC

Hazard models

Rapid Impact

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:	5.1M
Depth:	10 Km
Lat/Lon:	17.3316 , 120.7371
Event Date:	31 Jul 2022 18:48 UTC 01 Aug 2022 02:48 Local
Exposed Population:	10 thousand in MMI VI
Source:	NEIC us6000i70q
Inserted at:	05 Aug 2022 19:57 UTC
INFORM Coping capacity of the alert score:	4.2 (Philippines)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Rapid Impact)		GDACS score
NEIC	0.3		0.3
us6000i70q	Scaled population (raster)	0
	C1 rapid impact	0.43
	C2 rapid impact	0.27
	Country Vulnerability	0
	INFORM_normalised	0.89

Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1456065		0.3	31 Jul 2022 18:48	5.2M, 10km	6.12	N/A (in MMI>=VII)	N/A	00:28	NEIC
1456397		0.3	31 Jul 2022 18:48	5.1M, 10km	6.1	N/A (in MMI>=VII)	N/A	5d 01:08	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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in Philippines ,of Cordillera Administrative Region (population 1,146,000) . The alertlevel for this event is GREEN

Intensity	Population
	10000 people
	70000 people

Affected Provinces

Region Province	Country	Population
Cordillera Administrative Region	Philippines	27000 people
Ilocos	Philippines	<1000 people
Cordillera Administrative Region	Philippines	96000 people
Ilocos	Philippines	100000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Caocabayan	Cordillera Administrative Region	Philippines	Village	-	5 km
Baliga	Cordillera Administrative Region	Philippines	Village	-	6 km
Toqueng	Cordillera Administrative Region	Philippines	Village	-	7 km
Tubtubo	Cordillera Administrative Region	Philippines	Village	-	10 km
Lagaosian	Cordillera Administrative Region	Philippines	Village	-	11 km
Supo	Ilocos	Philippines	Village	-	12 km
San Guillermo	Cordillera Administrative Region	Philippines	Village	-	14 km
Labaan	Cordillera Administrative Region	Philippines	Village	-	15 km
Lidaoan	Ilocos	Philippines	Village	-	16 km
Villavicja	Cordillera Administrative Region	Philippines	Village	-	16 km
Danac	Cordillera Administrative Region	Philippines	Village	-	18 km
Pilar	Cordillera Administrative Region	Philippines	Village	-	18 km
Panpanaoil	Ilocos	Philippines	Village	-	18 km
Bazar	Cordillera Administrative Region	Philippines	Village	-	19 km
Salldeng	Cordillera Administrative Region	Philippines	Village	-	20 km
Alaludig	Cordillera Administrative Region	Philippines	Village	-	20 km
Balangan	Cordillera Administrative Region	Philippines	Village	-	21 km
Cagutuñgan	Cordillera Administrative Region	Philippines	Village	-	21 km
Ududiao	Cordillera Administrative Region	Philippines	Village	-	21 km
Naguilian	Cordillera Administrative Region	Philippines	Village	-	22 km
Baballasioan	Ilocos	Philippines	Village	-	22 km
Lupac	Ilocos	Philippines	Village	-	23 km
San Pablo	Ilocos	Philippines	Village	-	23 km
San Miguel	Cordillera Administrative Region	Philippines	Village	-	24 km
Bugbug	Cordillera Administrative Region	Philippines	Village	-	24 km
Biqui	Ilocos	Philippines	Village	-	25 km
Santa Maria	Ilocos	Philippines	Village	3600 people	28 km
Tangaoan	Ilocos	Philippines	Village	-	29 km

see full list

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.

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.