Overall Orange Earthquake alert in Philippines from 02 Dec 2023 14:37 UTC to 14:37

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 7.7 Earthquake and Tsunami (1.6 m) in Philippines from 02 Dec 2023 14:37 UTC to 14:37

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	7.7M
Glide number:	EQ-2023-000245-PHL
Depth:	45 Km
Lat/Lon:	8.6 , 126.4
Event Date:	02 Dec 2023 14:37 UTC 02 Dec 2023 22:37 Local
Exposed Population:	790 thousand (in MMI>=VII)
Source:	NTWC at00s51n9y
Inserted at:	02 Dec 2023 14:47 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)		Tsunami		GDACS score
NTWC	1.5		1.2		1.5
at00s51n9y	Scaled population (vector)	4.7	Max wave scenario	0.67m
	C1 rapid impact	0.43	Max wave realtime	1.55m
	C2 rapid impact	0.27
	Country Vulnerability	0
	INFORM_normalised	0.89

Maximum expected impact using different data sources.

Episode Timeline

ID	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1539231	1.5	02 Dec 2023 14:37	7.7M, 44.5km	N/A	800 thousand (in 100km)	1.3m (at 00:37)	00:09	PTWC
1539232	1.5	02 Dec 2023 14:37	7.7M, 45km	7.02	790 thousand (in 100km)	1.6m (at 01:07)	00:10	NTWC
1539234	1.5	02 Dec 2023 14:37	7.6M, 32.8km	7.2	880 thousand (in MMI>=VII)	0.7m (at 01:15)	00:16	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 Southern Mindanao (population 39,419) . The nearest places are Tinago, Unidad, San Juan, Carpenito, Antipolo, Salvacion, Marihatag, Oteiza, Santo Niño, Hinatuan, and Libertad.

Radius	Population
100 km	1.9 million people
75 km	1.1 million people
50 km	470000 people
20 km	14000 people
10 km	1100 people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Southern Mindanao	Philippines	39000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Tinago	Southern Mindanao	Philippines	Village	-	18 km
Unidad	Southern Mindanao	Philippines	Village	3300 people	20 km
San Juan	Southern Mindanao	Philippines	Village	-	21 km
Carpenito	Southern Mindanao	Philippines	Village	-	23 km
Antipolo	Southern Mindanao	Philippines	Village	-	24 km
Salvacion	Southern Mindanao	Philippines	Village	2100 people	24 km
Marihatag	Southern Mindanao	Philippines	Village	3800 people	25 km
Oteiza	Southern Mindanao	Philippines	Village	-	25 km
Santo Niño	Southern Mindanao	Philippines	Village	-	26 km
Hinatuan	Southern Mindanao	Philippines	Village	9900 people	27 km
Batunan	Southern Mindanao	Philippines	Village	-	27 km
Otiela	Surigao del Sur	Philippines	Village	-	33 km
Lianga	Southern Mindanao	Philippines	Village	14000 people	34 km
Amaga	Southern Mindanao	Philippines	Village	2200 people	36 km
Cagwait	Southern Mindanao	Philippines	Village	-	36 km
Lawigan	Southern Mindanao	Philippines	Village	-	42 km
Bislig	Southern Mindanao	Philippines	Village	66000 people	44 km
La Paz	Southern Mindanao	Philippines	Village	2300 people	45 km
Somosomo	Southern Mindanao	Philippines	Village	-	45 km
Mangagoy	Southern Mindanao	Philippines	Village	-	46 km
Bahao	Southern Mindanao	Philippines	Village	-	47 km
Santa Ana	Northern Mindanao	Philippines	Village	-	47 km
Barcelona	Southern Mindanao	Philippines	Village	3500 people	48 km
Bayogan	Northern Mindanao	Philippines	Village	-	50 km
Tago	Southern Mindanao	Philippines	Village	6200 people	50 km
Anoling	Northern Mindanao	Philippines	Village	-	50 km
Pamaypayan	Southern Mindanao	Philippines	Village	-	54 km
Prosperidad	Northern Mindanao	Philippines	Village	-	55 km
Tandag	Surigao del Sur	Philippines	Village	29000 people	57 km
Kayogyog	Southern Mindanao	Philippines	Village	-	58 km
Novela	Northern Mindanao	Philippines	Village	-	59 km
Abaga	Southern Mindanao	Philippines	Village	-	60 km
Borbon	Northern Mindanao	Philippines	Village	2100 people	62 km
Lingig	Surigao del Sur	Philippines	Village	6300 people	62 km
Dulangan	Northern Mindanao	Philippines	Village	-	63 km
Buenavista	Southern Mindanao	Philippines	Village	2600 people	63 km
Bunawan	Northern Mindanao	Philippines	Village	15000 people	64 km
San Isidro	Northern Mindanao	Philippines	Village	-	66 km
Libertad	Northern Mindanao	Philippines	Village	5800 people	67 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
Bislig	BPH	3	Civ.	Paved	No	3900	45 km
Tandag	TDG	5	Civ.	Paved	No	4400	58 km

Ports

Name	LOCODE	Country	Distance
Lamon Anchorage		Philippines	15 km
Hinatuan		Philippines	27 km
Aras Asan		Philippines	33 km
Bislig / Mindanao	PHBPH	Philippines	46 km
Tandag		Philippines	58 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.
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