Overall Green Earthquake alert in Philippines on 20 Jan 2018 19:56 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 20 Jan 2018 19:56 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:	23.1 Km
Lat/Lon:	17.1264 , 120.194
Event Date:	20 Jan 2018 19:56 UTC 21 Jan 2018 03:56 Local
Exposed Population:	3060000 people within 100km
Source:	NEIC us2000clwt
Inserted at:	20 Jan 2018 20:40 UTC
INFORM Coping capacity of the alert score	4.2 (Philippines)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us2000clwt	Scaled population (vector)	6.29
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	-0.18
	INFORM_normalised	0.89

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1194922		0	20 Jan 2018 19:56	4.9M, 23.1km	N/A	3.1 million (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 Philippines , Region of Ilocos (population 3,551,000) . The nearest places are Santa Cruz, Candon, Candon Pt, Cabaritan, Dili, Pinipin, Matanobong, San Jose, Bitalag, Tagudin, and Napsong.

Radius	Population
100 km	3.1 million people
75 km	1.7 million people
50 km	640000 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
Bicol	Philippines	3.9 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Santa Cruz	Ilocos Sur	Philippines	Village	2800 people	27 km
Candon	Ilocos	Philippines	Village	11000 people	27 km
Candon Pt		Philippines	Village	-	28 km
Cabaritan	Ilocos	Philippines	Village	-	29 km
Dili	Ilocos Sur	Philippines	Village	-	30 km
Pinipin	Ilocos	Philippines	Village	-	31 km
Matanobong	Ilocos Sur	Philippines	Village	-	32 km
San Jose	Ilocos	Philippines	Village	-	32 km
Bitalag	Ilocos	Philippines	Village	-	34 km
Tagudin	Ilocos	Philippines	Village	3800 people	34 km
Agdeppa	Ilocos	Philippines	Village	-	36 km
Arangin-Dinaratan	Ilocos	Philippines	Village	-	36 km
Sanguspa	Ilocos	Philippines	Village	-	36 km
Luna	Ilocos	Philippines	Village	-	37 km
Biqui	Ilocos	Philippines	Village	-	37 km
Tangaoan	Ilocos	Philippines	Village	-	37 km
Lupac	Ilocos	Philippines	Village	-	40 km
Santa Maria	Ilocos	Philippines	Village	3600 people	40 km
Uso	Ilocos	Philippines	Village	-	40 km
Tal-li-pugo	Ilocos	Philippines	Village	-	41 km
Ursuban	Ilocos	Philippines	Village	-	41 km
Namatingan	Ilocos	Philippines	Village	-	42 km
Old Centro	Ilocos	Philippines	Village	-	43 km
Tammocalao	La Union	Philippines	Village	-	44 km
Narvacan	Ilocos	Philippines	Village	3000 people	45 km
Panpanaoil	Ilocos	Philippines	Village	-	45 km
Baballasioan	Ilocos	Philippines	Village	-	46 km
Tibo	Ilocos	Philippines	Village	-	47 km
Bacnotan	Ilocos	Philippines	Village	3100 people	48 km
Lettac	Ilocos	Philippines	Village	-	48 km
Fuarte	Ilocos Sur	Philippines	Village	-	49 km
Villavicja	Cordillera Administrative Region	Philippines	Village	-	49 km
Lidaoan	Ilocos	Philippines	Village	-	50 km
Amilongan	Ilocos	Philippines	Village	-	50 km
San Pablo	Ilocos	Philippines	Village	-	51 km
Tubaday	Ilocos	Philippines	Village	-	51 km
Vigan	Ilocos	Philippines	Village	48000 people	53 km
Tubtubo	Cordillera Administrative Region	Philippines	Village	-	53 km
Banacao	Ilocos	Philippines	Village	-	53 km
Pilar	Cordillera Administrative Region	Philippines	Village	-	53 km
Supo	Ilocos	Philippines	Village	-	54 km
Limu	Ilocos	Philippines	Village	-	55 km
Barbarit	Cordillera Administrative Region	Philippines	Village	-	55 km
Baliga	Cordillera Administrative Region	Philippines	Village	-	57 km
Cagutuñgan	Cordillera Administrative Region	Philippines	Village	-	57 km
Obobug	Ilocos	Philippines	Village	-	57 km
Dain	Ilocos	Philippines	Village	-	57 km
Carsuan	Cordillera Administrative Region	Philippines	Village	-	57 km
Pacpacac	Ilocos	Philippines	Village	-	57 km
San Fernando	Ilocos	Philippines	Village	82000 people	58 km
Basiing	Ilocos	Philippines	Village	-	58 km
Lagaosian	Cordillera Administrative Region	Philippines	Village	-	59 km
Santiago	Ilocos	Philippines	Village	-	59 km
Amantoc	Ilocos	Philippines	Village	-	59 km
Cervantes	Ilocos	Philippines	Village	3100 people	59 km
Caocabayan	Cordillera Administrative Region	Philippines	Village	-	61 km
Lingsat	Ilocos	Philippines	Village	-	61 km
Calay-ab	Ilocos	Philippines	Village	-	62 km
Patiacan	Ilocos	Philippines	Village	-	63 km
Lasitas	Ilocos	Philippines	Village	-	64 km
Palintocang	Ilocos	Philippines	Village	-	64 km
Talebubu	Ilocos	Philippines	Village	-	64 km
Mabalili	Cordillera Administrative Region	Philippines	Village	-	64 km
Bimmotobol	Ilocos	Philippines	Village	-	65 km
Magsingal	Ilocos	Philippines	Village	4500 people	66 km
Tinas	Ilocos	Philippines	Village	-	67 km
Balacbac	Ilocos	Philippines	Village	-	67 km
Baccuit	La Union	Philippines	Village	-	67 km
Lepanto	Cordillera Administrative Region	Philippines	Village	-	68 km
Toqueng	Cordillera Administrative Region	Philippines	Village	-	68 km
Sumadel	Cordillera Administrative Region	Philippines	Village	-	68 km
Alaludig	Cordillera Administrative Region	Philippines	Village	-	69 km
Bangued	Cordillera Administrative Region	Philippines	Village	14000 people	69 km
Amposungan	Cordillera Administrative Region	Philippines	Village	-	69 km
San Guillermo	Cordillera Administrative Region	Philippines	Village	-	69 km
Bañacao	Cordillera Administrative Region	Philippines	Village	-	69 km
Guisit	Ilocos Sur	Philippines	Village	-	70 km
Taoang	Ilocos	Philippines	Village	-	70 km
Napsong	Cordillera Administrative Region	Philippines	Village	-	70 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
Vigan		4	Civ.	Paved	No	3400	50 km
San Fernando	SFE	4	Civ.	Paved	No	3900	60 km
Loakan	BAG	1292	Civ.	Paved	No	5500	95 km

Ports

Name	LOCODE	Country	Distance
Port San Esteban		Philippines	34 km
Pandan		Philippines	48 km
Poro / San Fernando	PHPRO	Philippines	57 km
San Fernando	PHSFE	Philippines	58 km
Salomague		Philippines	76 km
Bolinao		Philippines	87 km
Gan Bay		Philippines	100 km

Dams

Reservoir	Dam Name	River	Year	Distance
	Ambuklao	Agno	1955	94 km
	Binga	Agno	1959	99 km

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.