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

Hazard models

Rapid Impact

Shakemap

Tsunami

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 (raster)	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.

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

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	7	800 thousand (in MMI>=VII)	1.3m (at 00:37)	00:09	PTWC
1539232	1.5	02 Dec 2023 14:37	7.7M, 45km	7.02	790 thousand (in MMI>=VII)	1.6m (at 01:07)	00:10	NTWC
1539234	1.5	02 Dec 2023 14:37	7.6M, 32.8km	7.39	1.1 million (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.

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 Southern Mindanao (population 4,457,000) . The alertlevel for this event is ORANGE

Intensity	Population
	790000 people
	3.5 million people
	8.8 million people

Affected Provinces

Region Province	Country	Population
Southern Mindanao	Philippines	440000 people
Northern Mindanao	Philippines	330000 people
Southern Mindanao	Philippines	530000 people
Northern Mindanao	Philippines	1 million people
Central Mindanao	Philippines	<1000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Tinago	Southern Mindanao	Philippines	Village	-	18 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
Otiela	Surigao del Sur	Philippines	Village	-	33 km
Lianga	Southern Mindanao	Philippines	Village	14000 people	34 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
Prosperidad	Northern Mindanao	Philippines	Village	-	55 km
Tandag	Surigao del Sur	Philippines	Village	29000 people	57 km
Kayogyog	Southern Mindanao	Philippines	Village	-	58 km
Abaga	Southern Mindanao	Philippines	Village	-	60 km
Lingig	Surigao del Sur	Philippines	Village	6300 people	62 km
Bunawan	Northern Mindanao	Philippines	Village	15000 people	64 km
San Isidro	Northern Mindanao	Philippines	Village	-	66 km
Buenavista	Southern Mindanao	Philippines	Village	2600 people	63 km
Libertad	Northern Mindanao	Philippines	Village	5800 people	67 km
Salvacion	Southern Mindanao	Philippines	Village	6000 people	70 km
Tigao	Surigao del Sur	Philippines	Village	2100 people	72 km
Pagtilaan	Southern Mindanao	Philippines	Village	-	72 km
Cuevas	Northern Mindanao	Philippines	Village	2200 people	72 km
La Paz	Northern Mindanao	Philippines	Village	3600 people	73 km
Gracia	Northern Mindanao	Philippines	Village	-	75 km
Guadalupe	Northern Mindanao	Philippines	Village	3400 people	75 km
Burgos	Surigao del Sur	Philippines	Village	3500 people	76 km
Verdo	Northern Mindanao	Philippines	Village	-	76 km
San Gabriel	Northern Mindanao	Philippines	Village	-	76 km
Santa Josefa	Southern Mindanao	Philippines	Village	4100 people	78 km
Sibahay	Southern Mindanao	Philippines	Village	-	78 km
Lanuza	Southern Mindanao	Philippines	Village	2000 people	79 km
Santo Tomas	Northern Mindanao	Philippines	Village	3000 people	80 km
Tuburan	Surigao del Sur	Philippines	Village	-	80 km
Boston	Davao Oriental	Philippines	Village	2900 people	81 km
Carmen	Southern Mindanao	Philippines	Village	2800 people	81 km
Madrelino	Surigao del Sur	Philippines	Village	-	81 km
Esperanza	Northern Mindanao	Philippines	Village	6100 people	83 km
Limot	Northern Mindanao	Philippines	Village	-	83 km
Caigangan	Northern Mindanao	Philippines	Village	-	84 km
Langasian	Northern Mindanao	Philippines	Village	-	85 km
Kubo	Northern Mindanao	Philippines	Village	-	85 km
Santa Tereza	Northern Mindanao	Philippines	Village	-	86 km
Jagamitan	Southern Mindanao	Philippines	Village	-	86 km
Madrid	Southern Mindanao	Philippines	Village	3100 people	87 km
Cateel	Southern Mindanao	Philippines	Village	6500 people	88 km
Ambacon	Northern Mindanao	Philippines	Village	-	88 km
Tungao	Northern Mindanao	Philippines	Village	8800 people	91 km
Sapa	Southern Mindanao	Philippines	Village	-	91 km
Hulip	Southern Mindanao	Philippines	Village	-	91 km
San Rafael	Southern Mindanao	Philippines	Village	2100 people	92 km
Las Nieves	Northern Mindanao	Philippines	Village	-	94 km
Bilay	Northern Mindanao	Philippines	Village	-	94 km
Nuevo Trabajo	Northern Mindanao	Philippines	Village	-	94 km
Moncayo	Southern Mindanao	Philippines	Village	-	94 km
Sukod	Southern Mindanao	Philippines	Village	-	95 km
Cantilan	Surigao del Sur	Philippines	Village	9300 people	95 km
Ampayon	Northern Mindanao	Philippines	Village	-	96 km
San Antonio	Southern Mindanao	Philippines	Village	-	96 km
Bankerohan	Southern Mindanao	Philippines	Village	-	98 km
Carrascal	Surigao del Sur	Philippines	Village	4400 people	98 km
Los Angeles	Northern Mindanao	Philippines	Village	4000 people	99 km
San Vicente	Northern Mindanao	Philippines	Village	-	99 km
Babag	Southern Mindanao	Philippines	Village	3200 people	100 km
Kinablañgan	Davao Oriental	Philippines	Village	5400 people	101 km
Corinto	Northern Mindanao	Philippines	Village	-	101 km
Butuan	Northern Mindanao	Philippines	City	250000 people	102 km
Antonio Luna	Northern Mindanao	Philippines	Village	-	103 km
La Trinidad	Northern Mindanao	Philippines	Village	-	105 km
Adlay	Southern Mindanao	Philippines	Village	2500 people	105 km
Manganon	Southern Mindanao	Philippines	Village	-	107 km
Magallanes	Agusan del Norte	Philippines	Village	6500 people	107 km
Ngan	Southern Mindanao	Philippines	Village	-	108 km
Dapnan	Southern Mindanao	Philippines	Village	-	108 km
Santa Rosa	Northern Mindanao	Philippines	Village	-	109 km
Lagab	Southern Mindanao	Philippines	Village	-	110 km
Compostela	Southern Mindanao	Philippines	Village	42000 people	110 km
Cabadbaran	Northern Mindanao	Philippines	Village	31000 people	111 km
Abon-abon	Southern Mindanao	Philippines	Village	-	111 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
Butuan	BXU	43	Civ.	Paved	No	6000	109 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
Butuan		Philippines	101 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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