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

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
Depth:	44.5 Km
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.

Click on image to zoom it.

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.

Tsunami affected locations

The maximum Wave height is 1.3m in Oteiza, Philippines. This height is estimated for 2-Dec-2023 15:14:16.

Alert	Date (UTC)	Name	Country	Wave height (m)
	2-Dec-2023 15:14:16	Oteiza	Philippines	1.3
	2-Dec-2023 15:43:34	Antipolo	Philippines	1.1
	2-Dec-2023 15:14:95	Buenavista	Philippines	1.0
	2-Dec-2023 15:24:59	Pagtilaan	Philippines	0.8
	2-Dec-2023 15:55:92	Salvacion	Philippines	0.7
	2-Dec-2023 16:21:95	Konlei	Palau	0.2
	2-Dec-2023 15:44:65	Ngalkol	Palau	0.2
	2-Dec-2023 16:16:13	Anitaguipan Pt	Philippines	0.2
	2-Dec-2023 16:16:13	Punta Maria	Philippines	0.2
	2-Dec-2023 18:08:76	Kinabutan	Philippines	0.2
	2-Dec-2023 15:34:15	Baganga	Philippines	0.2
	2-Dec-2023 16:44:77	Cagosoan Pt	Philippines	0.2
	2-Dec-2023 16:49:32	Kulagsing	Philippines	0.2
	2-Dec-2023 18:37:92	Abihao	Philippines	0.1
	2-Dec-2023 17:21:17	Maundori	Indonesia	0.1
	2-Dec-2023 16:41:98	Alegria	Philippines	0.1
	2-Dec-2023 16:32:67	Dolores	Philippines	0.1
	2-Dec-2023 16:06:14	Malakal	Palau Islands	0.1
	2-Dec-2023 17:22:65	Mapid	Philippines	0.1
	2-Dec-2023 16:19:04	Sulat	Philippines	0.1
	2-Dec-2023 16:19:04	San Francisco	Philippines	0.1
	2-Dec-2023 16:05:18	Homonhon	Philippines	0.1
	2-Dec-2023 18:06:34	Cambalion	Philippines	0.1
	2-Dec-2023 18:12:05	Tumanao	Philippines	0.1
	2-Dec-2023 18:27:67	Maco	Philippines	0.1
	2-Dec-2023 18:24:15	Waigeo	Indonesia	0.1
	2-Dec-2023 15:39:22	Baculin	Philippines	0.1
	2-Dec-2023 15:06:47	Batong	Philippines	0.1
	2-Dec-2023 17:49:55	Limao	Philippines	0.1
	2-Dec-2023 17:49:55	Davao_PH	Philippines	0.1
	2-Dec-2023 18:13:04	Basao	Philippines	0.1
	2-Dec-2023 17:24:09	Tuburan	Philippines	0.1
	2-Dec-2023 17:24:09	Madrelino	Philippines	0.1
	2-Dec-2023 14:51:53	Burgos	Philippines	0.1
	2-Dec-2023 16:09:73	Taganito	Philippines	0.1
	2-Dec-2023 17:56:29	Ibran	Philippines	0.1
	2-Dec-2023 17:49:05	Samal	Philippines	0.1
	2-Dec-2023 17:49:05	Tagbitanag	Philippines	0.1
	2-Dec-2023 18:58:09	Cabugao	Philippines	0.1
	2-Dec-2023 18:26:67	Hiju	Philippines	0.1
	2-Dec-2023 18:34:31	Bagalay	Philippines	0.1
	2-Dec-2023 17:30:55	Paya	Philippines	0.1
	2-Dec-2023 17:30:55	Gigoso	Philippines	0.1
	2-Dec-2023 17:40:32	Emboron	Indonesia	0.1
	2-Dec-2023 16:16:45	Zaragosa	Philippines	0.1
	2-Dec-2023 15:59:18	Santa Cruz	Philippines	0.1
	2-Dec-2023 17:42:97	Jovellar	Philippines	0.1
	2-Dec-2023 15:06:92	Hernani	Philippines	0.1
	2-Dec-2023 16:18:16	Tagabaquid	Philippines	0.1
	2-Dec-2023 15:07:03	Marmag	Philippines	0.1
	2-Dec-2023 17:29:44	Placer	Philippines	0.1
	2-Dec-2023 18:38:84	Rizal	Philippines	0.1
	2-Dec-2023 18:47:43	Numancia	Philippines	0.1
	2-Dec-2023 15:56:13	Melekeok	Palau	0.1
	2-Dec-2023 18:35:49	Apis	Philippines	0.1
	2-Dec-2023 15:59:58	Galakasan	Palau	0.1
	2-Dec-2023 18:19:75	Tanauan	Philippines	0.1
	2-Dec-2023 15:35:19	Manay	Philippines	0.1
	2-Dec-2023 15:01:48	Bobon	Philippines	0.1
	2-Dec-2023 18:09:45	Manikling	Philippines	0.1
	2-Dec-2023 18:09:45	Wason	Philippines	0.1
	2-Dec-2023 18:41:42	Talavera	Philippines	0.1
	2-Dec-2023 16:48:41	Damar	Indonesia	0.1
	2-Dec-2023 17:50:09	Davao	Philippines	0.1
	2-Dec-2023 17:15:33	Magnesia	Philippines	0.1
	2-Dec-2023 18:21:58	Hinunangan	Philippines	0.1
	2-Dec-2023 17:58:14	Posiposi	Indonesia	0.1
	2-Dec-2023 17:58:14	Wayabula	Indonesia	0.1
	2-Dec-2023 17:25:73	Sagorong	Philippines	0.1
	2-Dec-2023 15:55:91	Galap	Palau	0.1
	2-Dec-2023 17:33:97	Jailolo	Indonesia	0.1
	2-Dec-2023 18:25:84	Insjoerifoeri	Indonesia	0.1
	2-Dec-2023 18:06:17	Namber	Indonesia	0.1
	2-Dec-2023 18:06:17	Rewasidori	Indonesia	0.1
	2-Dec-2023 18:09:16	Sarwadori	Indonesia	0.1
	2-Dec-2023 18:09:16	Krai	Indonesia	0.1
	2-Dec-2023 18:03:74	Wandebori	Indonesia	0.1
	2-Dec-2023 15:03:54	Asgad	Philippines	0.1
	2-Dec-2023 15:07:03	Llorente	Philippines	0.1
	2-Dec-2023 17:32:13	San Policarpo	Philippines	0.1
	2-Dec-2023 19:00:03	Mati	Philippines	0.1
	2-Dec-2023 17:15:84	Mamahan	Indonesia	0.1
	2-Dec-2023 18:24:28	Kumasi	Philippines	0.1
	2-Dec-2023 19:05:61	Beo	Indonesia	0.1
	2-Dec-2023 17:52:16	Dadaotan	Philippines	0.1
	2-Dec-2023 18:24:15	Pandasan	Philippines	0.1
	2-Dec-2023 18:19:78	Lasang	Philippines	0.1
	2-Dec-2023 16:58:77	Tjiu	Indonesia	0.1
	2-Dec-2023 16:24:55	Dowongigila	Indonesia	0.1
	2-Dec-2023 17:59:71	Wajabula	Indonesia	0.1
	2-Dec-2023 18:30:06	Doitia	Indonesia	0.1
	2-Dec-2023 15:54:15	Karaeru	Palau	0.1
	2-Dec-2023 16:57:07	Meti	Philippines	0.1
	2-Dec-2023 17:57:72	Pandan	Philippines	0.1
	2-Dec-2023 18:08:52	Watam	Indonesia	0.1
	2-Dec-2023 18:49:02	Gamgola	Indonesia	0.1
	2-Dec-2023 17:07:51	Nuni	Indonesia	0.1
	2-Dec-2023 17:42:35	Menggari	Indonesia	0.1
	2-Dec-2023 17:42:35	Saunbri	Indonesia	0.1
	2-Dec-2023 18:02:17	Wombdisaoe	Indonesia	0.1
	2-Dec-2023 18:08:76	Baon	Philippines	0.1
	2-Dec-2023 17:55:04	Sirawan	Philippines	0.1
	2-Dec-2023 17:53:92	Pequeno	Philippines	0.1
	2-Dec-2023 15:54:15	Ulubosan	Palau	0.1
	2-Dec-2023 19:00:51	Lawa-an	Philippines	0.1
	2-Dec-2023 18:24:91	Marabut	Philippines	0.1
	2-Dec-2023 16:52:15	Rizal	Philippines	0.1
	2-Dec-2023 17:11:86	Ngofakiaha	Indonesia	0.1
	2-Dec-2023 18:38:84	Cadagatan	Philippines	0.1
	2-Dec-2023 18:13:34	Besir	Indonesia	0.1
	2-Dec-2023 18:59:66	Adadikam	Indonesia	0.1
	2-Dec-2023 18:59:66	Mamoribo	Indonesia	0.1

See full locations list (RSS)

Initial conditions

Title: ""Mindanao""

Fault parameters

Latitude: 8.61
Longitude: 126.446
Length: 112 km
Width: 31 km
Magnitude: 7.7 M

Okada parameters:

Slip: 2.9 m
Strike: 163 (geogr angle: north=0, south=180)
Dip: 57 degree
Rake: 90 degree
Depth: 45 km

Calculation parameters

Calculation space (lon/lat): 115.946, -1.89, 136.946, 19.11
Instead of Step -> use Cell size:1.75 minutes

Sea Level

More information

Timeline:
Tsunami calculations performed to this case, click here
Montecarlo:
Tsunami Montecarlo simulation performed to this case, click here

Populated places affected by tsunami:
http://webcritech.jrc.ec.europa.eu/ModellingOutput/TsunamiSurge/JETS_System/2023/12/35115/locations.xml
Populated places affected by tsunami (KML):
http://webcritech.jrc.ec.europa.eu/ModellingOutput/TsunamiSurge/JETS_System/2023/12/35115/locations.kml

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.