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
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 (raster) 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.

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


Episode Timeline

IDAlertScoreDateMag, DepthMMI*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
800000 people
3.4 million people
8.7 million people

Affected Provinces

Intensity Region Province Country Population
Southern Mindanao Philippines 450000 people
Northern Mindanao Philippines 310000 people
Southern Mindanao Philippines 420000 people
Northern Mindanao Philippines 980000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Tinago Southern Mindanao Philippines Village - 22 km
San Juan Southern Mindanao Philippines Village - 23 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
Otiela Surigao del Sur Philippines Village - 35 km
Cagwait Southern Mindanao Philippines Village - 37 km
Lianga Southern Mindanao Philippines Village 14000 people 39 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
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
Buenavista Southern Mindanao Philippines Village 2600 people 65 km
Bunawan Northern Mindanao Philippines Village 15000 people 69 km
San Isidro Northern Mindanao Philippines Village - 69 km
Libertad Northern Mindanao Philippines Village 5800 people 71 km
Salvacion Southern Mindanao Philippines Village 6000 people 73 km
Tigao Surigao del Sur Philippines Village 2100 people 73 km
Pagtilaan Southern Mindanao Philippines Village - 74 km
Cuevas Northern Mindanao Philippines Village 2200 people 76 km
Burgos Surigao del Sur Philippines Village 3500 people 77 km
La Paz Northern Mindanao Philippines Village 3600 people 78 km
Sibahay Southern Mindanao Philippines Village - 80 km
Gracia Northern Mindanao Philippines Village - 80 km
Guadalupe Northern Mindanao Philippines Village 3400 people 80 km
Lanuza Southern Mindanao Philippines Village 2000 people 81 km
San Gabriel Northern Mindanao Philippines Village - 81 km
Tuburan Surigao del Sur Philippines Village - 81 km
Verdo Northern Mindanao Philippines Village - 81 km
Madrelino Surigao del Sur Philippines Village - 82 km
Santa Josefa Southern Mindanao Philippines Village 4100 people 82 km
Boston Davao Oriental Philippines Village 2900 people 82 km
Carmen Southern Mindanao Philippines Village 2800 people 83 km
Santo Tomas Northern Mindanao Philippines Village 3000 people 85 km
Limot Northern Mindanao Philippines Village - 87 km
Esperanza Northern Mindanao Philippines Village 6100 people 88 km
Caigangan Northern Mindanao Philippines Village - 88 km
Cateel Southern Mindanao Philippines Village 6500 people 89 km
Madrid Southern Mindanao Philippines Village 3100 people 89 km
Jagamitan Southern Mindanao Philippines Village - 89 km
Langasian Northern Mindanao Philippines Village - 90 km
Santa Tereza Northern Mindanao Philippines Village - 90 km
Kubo Northern Mindanao Philippines Village - 90 km
Sapa Southern Mindanao Philippines Village - 93 km
Ambacon Northern Mindanao Philippines Village - 93 km
San Rafael Southern Mindanao Philippines Village 2100 people 93 km
Hulip Southern Mindanao Philippines Village - 94 km
Tungao Northern Mindanao Philippines Village 8800 people 95 km
Cantilan Surigao del Sur Philippines Village 9300 people 96 km
San Antonio Southern Mindanao Philippines Village - 97 km
Moncayo Southern Mindanao Philippines Village - 98 km
Sukod Southern Mindanao Philippines Village - 98 km
Bilay Northern Mindanao Philippines Village - 98 km
Las Nieves Northern Mindanao Philippines Village - 98 km
Nuevo Trabajo Northern Mindanao Philippines Village - 99 km
Ampayon Northern Mindanao Philippines Village - 100 km
Carrascal Surigao del Sur Philippines Village 4400 people 100 km
Bankerohan Southern Mindanao Philippines Village - 101 km
Kinablañgan Davao Oriental Philippines Village 5400 people 102 km
Los Angeles Northern Mindanao Philippines Village 4000 people 103 km
Babag Southern Mindanao Philippines Village 3200 people 103 km
San Vicente Northern Mindanao Philippines Village - 104 km
Butuan Northern Mindanao Philippines City 250000 people 106 km
Corinto Northern Mindanao Philippines Village - 106 km
Antonio Luna Northern Mindanao Philippines Village - 107 km
Manganon Southern Mindanao Philippines Village - 109 km
La Trinidad Northern Mindanao Philippines Village - 110 km
Ngan Southern Mindanao Philippines Village - 110 km
Magallanes Agusan del Norte Philippines Village 6500 people 111 km
Compostela Southern Mindanao Philippines Village 42000 people 112 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity 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

Intensity 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
Butuan Philippines 106 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.