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 (1.2 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:	44.5 Km
Lat/Lon:	8.61 , 126.446
Event Date:	02 Dec 2023 14:37 UTC 02 Dec 2023 22:37 Local
Exposed Population:	800 thousand (in MMI>=VII)
Source:	PTWC pt23336002
Inserted at:	02 Dec 2023 14:46 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
PTWC	1.5		1.1		1.5
pt23336002	Scaled population (vector)	4.66	Max wave alert	1.25m
	C1 rapid impact	0.43	Max wave realtime	1.25m
	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 15,837) . The nearest places are Tinago, San Juan, Unidad, Antipolo, Carpenito, Marihatag, Salvacion, Santo Niño, Oteiza, Hinatuan, and San Isidro.

Radius	Population
100 km	1.7 million people
75 km	940000 people
50 km	370000 people
20 km	7500 people
10 km	<1000 people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Southern Mindanao	Philippines	16000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Tinago	Southern Mindanao	Philippines	Village	-	22 km
San Juan	Southern Mindanao	Philippines	Village	-	23 km
Unidad	Southern Mindanao	Philippines	Village	3300 people	25 km
Antipolo	Southern Mindanao	Philippines	Village	-	26 km
Carpenito	Southern Mindanao	Philippines	Village	-	27 km
Marihatag	Southern Mindanao	Philippines	Village	3800 people	27 km
Salvacion	Southern Mindanao	Philippines	Village	2100 people	28 km
Santo Niño	Southern Mindanao	Philippines	Village	-	29 km
Oteiza	Southern Mindanao	Philippines	Village	-	29 km
Hinatuan	Southern Mindanao	Philippines	Village	9900 people	30 km
Batunan	Southern Mindanao	Philippines	Village	-	32 km
Otiela	Surigao del Sur	Philippines	Village	-	35 km
Cagwait	Southern Mindanao	Philippines	Village	-	37 km
Lianga	Southern Mindanao	Philippines	Village	14000 people	39 km
Amaga	Southern Mindanao	Philippines	Village	2200 people	41 km
Lawigan	Southern Mindanao	Philippines	Village	-	43 km
La Paz	Southern Mindanao	Philippines	Village	2300 people	46 km
Bislig	Southern Mindanao	Philippines	Village	66000 people	46 km
Somosomo	Southern Mindanao	Philippines	Village	-	47 km
Mangagoy	Southern Mindanao	Philippines	Village	-	48 km
Bahao	Southern Mindanao	Philippines	Village	-	49 km
Barcelona	Southern Mindanao	Philippines	Village	3500 people	49 km
Tago	Southern Mindanao	Philippines	Village	6200 people	51 km
Santa Ana	Northern Mindanao	Philippines	Village	-	52 km
Bayogan	Northern Mindanao	Philippines	Village	-	55 km
Anoling	Northern Mindanao	Philippines	Village	-	55 km
Pamaypayan	Southern Mindanao	Philippines	Village	-	56 km
Tandag	Surigao del Sur	Philippines	Village	29000 people	58 km
Kayogyog	Southern Mindanao	Philippines	Village	-	59 km
Prosperidad	Northern Mindanao	Philippines	Village	-	60 km
Lingig	Surigao del Sur	Philippines	Village	6300 people	64 km
Abaga	Southern Mindanao	Philippines	Village	-	64 km
Novela	Northern Mindanao	Philippines	Village	-	64 km
Buenavista	Southern Mindanao	Philippines	Village	2600 people	65 km
Borbon	Northern Mindanao	Philippines	Village	2100 people	67 km
Dulangan	Northern Mindanao	Philippines	Village	-	68 km
Bunawan	Northern Mindanao	Philippines	Village	15000 people	69 km
San Isidro	Northern Mindanao	Philippines	Village	-	69 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	48 km
Tandag	TDG	5	Civ.	Paved	No	4400	59 km

Ports

Name	LOCODE	Country	Distance
Lamon Anchorage		Philippines	17 km
Hinatuan		Philippines	29 km
Aras Asan		Philippines	34 km
Bislig / Mindanao	PHBPH	Philippines	48 km
Tandag		Philippines	59 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.