M 6.8 in Philippines from 23 Jul 2021 20:48 UTC to 20:48

Hazard models

EQ parameters
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: 6.8M
Depth: 104 Km
Lat/Lon: 13.8 , 120.5
Event Date: 23 Jul 2021 20:48 UTC
24 Jul 2021 04:48 Local
Exposed Population: 12980000 people within 100km
Source: NTWC at00qwpttl
Inserted at: 23 Jul 2021 21:14 UTC
INFORM Coping capacity of the alert score
4.2 (Philippines)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC 1.2 0 1.2
at00qwpttl Scaled population (vector) 6.68 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0m  
  C2 earthquake 0      
  Country Vulnerability -0.18      
  INFORM_normalised 0.89      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1387166 1.2 23 Jul 2021 20:49 6.8M, 104.3km N/A 13 million (in 100km) 0m (at 00:00) 00:19 PTWC
1387168 1.2 23 Jul 2021 20:48 6.8M, 104km N/A 13 million (in 100km) 0m (at 00:00) 00:26 NTWC
1387170 0.3 23 Jul 2021 20:48 6.7M, 112km 5.03 N/A (in MMI>=VII) 0m (at 00:00) 00:35 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 Tagalog (population 8,266,000) . The nearest places are Calatagan, Bucal, Bocboc, Binubusan, Navotas, Canda, Looc, Balayan, Dao, Abalete, and Balete.

Radius Population
100 km 13 million people
75 km 3.6 million people
50 km 1.1 million people
20 km 51000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Southern Tagalog Philippines 8.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Calatagan Southern Tagalog Philippines Village 16000 people 15 km
Bucal Batangas Philippines Village - 20 km
Bocboc Philippines Village - 21 km
Binubusan Southern Tagalog Philippines Village 6600 people 24 km
Navotas Southern Tagalog Philippines Village - 25 km
Canda Southern Tagalog Philippines Village - 27 km
Looc Southern Tagalog Philippines Village 2600 people 28 km
Balayan Southern Tagalog Philippines Village 50000 people 30 km
Dao Southern Tagalog Philippines Village - 32 km
Abalete Southern Tagalog Philippines Village - 32 km
Lian Southern Tagalog Philippines Village 7500 people 33 km
Nasugbu Southern Tagalog Philippines Village 62000 people 34 km
Tuy Southern Tagalog Philippines Village 8400 people 35 km
Balagnam Southern Tagalog Philippines Village - 35 km
Calaca Southern Tagalog Philippines Village 37000 people 37 km
Maricaban Philippines Village - 40 km
Bolboc Southern Tagalog Philippines Village - 41 km
Calamias Southern Tagalog Philippines Village - 41 km
Calawang Southern Tagalog Philippines Village - 41 km
Paluan Southern Tagalog Philippines Village 4500 people 42 km
Bagalañgit Batangas Philippines Village 2400 people 43 km
Looc Southern Tagalog Philippines Village 3000 people 43 km
Wawa Southern Tagalog Philippines Village 4800 people 46 km
Taal Southern Tagalog Philippines Village 40000 people 46 km
Ignonoc Southern Tagalog Philippines Village - 48 km
Mabini Batangas Philippines Village 2700 people 48 km
Gamao Philippines Village - 50 km
Lubang Mindoro Occidental Philippines Village 5700 people 50 km
Malaue Southern Tagalog Philippines Village - 51 km
Magallanes Southern Tagalog Philippines Village 3300 people 51 km
Baluguhan Southern Tagalog Philippines Village - 52 km
Calampan Southern Tagalog Philippines Village - 53 km
Luksuhin Southern Tagalog Philippines Village 4500 people 53 km
Bayuyuñgan Southern Tagalog Philippines Village - 55 km
Bauan Southern Tagalog Philippines Village 33000 people 55 km
Maslud Southern Tagalog Philippines Village - 55 km
Balagbag Southern Tagalog Philippines Village - 57 km
Mendez Nunez Southern Tagalog Philippines Village - 58 km
Puerto Galera Southern Tagalog Philippines Village 3300 people 58 km
Maragondon Southern Tagalog Philippines Village 23000 people 59 km
Banaba Southern Tagalog Philippines Village 4400 people 60 km
Batangas Southern Tagalog Philippines City 240000 people 61 km
Cuenca Southern Tagalog Philippines Village 22000 people 61 km
Tinga Southern Tagalog Philippines Village - 63 km
Naic Southern Tagalog Philippines City 55000 people 64 km
Mamburao Southern Tagalog Philippines Village 24000 people 64 km
Ilihan Batangas Philippines Village 3500 people 65 km
Pajo Batangas Philippines Village - 65 km
Boot Southern Tagalog Philippines Village 4800 people 69 km
Silang Southern Tagalog Philippines City 120000 people 69 km
Balete Southern Tagalog Philippines Village 8600 people 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
Lubang LBX 5 Civ. Paved No 3900 43 km
Mamburao MBO 4 Civ. Paved No 3900 67 km
Fernando AB 372 Mil. Paved No 4900 70 km
Sangley Point AB SGL 2 Mil. Paved No 8600 88 km
Ninoy Aquino International MNL 23 Civ. Paved Yes 12200 96 km

Ports

Name LOCODE Country Distance
Pagapas Philippines 19 km
Tilic Philippines 33 km
Calaca Philippines 33 km
Nasugbu PHNUG Philippines 34 km
Paluan Philippines 43 km
Tabangoa PHTBG Philippines 58 km
Batangas PHBLG Philippines 60 km
Mamburao Philippines 67 km
Mariveles Philippines 70 km
Bataan PHBTN Philippines 78 km
Calapan / Batangas PHCLP Philippines 83 km
Cavite PHCVE Philippines 87 km

More information

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