M 4.8 in Philippines on 28 Oct 2021 05:39 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 4.8M
Depth: 10 Km
Lat/Lon: 12.868 , 124.5322
Event Date: 28 Oct 2021 05:39 UTC
28 Oct 2021 13:39 Local
Exposed Population:
2.4 million in 100km
Source: NEIC us7000fpd3
Inserted at: 28 Oct 2021 08:28 UTC
INFORM Coping capacity of the alert score
4.2 (Philippines)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000fpd3 Scaled population (vector) 6.07  
  C1 earthquake 1  
  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
1405299 0 28 Oct 2021 05:39 4.8M, 10km N/A 2.4 million (in 100km) 02:49 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 Eastern Visayas (population 3,055,000) . The nearest places are Beri, Apis, San Jose, Bobon, Prieto Diaz, Catarman, Capayan, Lavezares, Maquinalo, San Isidro, and Butag.

Radius Population
100 km 2.4 million people
75 km 1.1 million people
50 km 320000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Eastern Visayas Philippines 3.1 million people
Bicol Philippines 3.9 million people
Central Visayas Philippines 4.6 million people
Southern Tagalog Philippines 8.3 million people
Western Visayas Philippines 5.4 million people
Northern Mindanao Philippines 3.5 million people
Southern Mindanao Philippines 4.5 million people
Central Luzon Philippines 6.2 million people
National Capital Region Philippines 7.9 million people
Cagayan Valley Philippines 2.3 million people
Western Mindanao Philippines 3.2 million people
Central Mindanao Philippines 3.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Beri Philippines Village - 27 km
Apis Northern Samar Philippines Village - 30 km
San Jose Northern Samar Philippines Village 3800 people 37 km
Bobon Northern Samar Philippines Village 4700 people 38 km
Prieto Diaz Bicol Philippines Village - 42 km
Catarman Eastern Visayas Philippines Village 47000 people 42 km
Capayan Northern Samar Philippines Village - 42 km
Lavezares Eastern Visayas Philippines Village 4100 people 43 km
Maquinalo Northern Samar Philippines Village - 44 km
San Isidro Bicol Philippines Village 3000 people 44 km
Gubat Bicol Philippines Village 14000 people 45 km
Bulusan Bicol Philippines Village 6600 people 45 km
Bogtong Bicol Philippines Village - 45 km
Mondragon Northern Samar Philippines Village 5100 people 45 km
Canani Eastern Visayas Philippines Village - 48 km
Allen Eastern Visayas Philippines Village 7500 people 48 km
San Rafael Bicol Philippines Village - 49 km
Bantayan Eastern Visayas Philippines Village 4000 people 50 km
Linao Bicol Philippines Village - 51 km
Escuala Bicol Philippines Village - 52 km
Abuyog Bicol Philippines Village 3400 people 52 km
Manalibong Eastern Visayas Philippines Village - 52 km
Pambujan Northern Samar Philippines Village 11000 people 55 km
Casiguran Sorsogon Philippines Village 8600 people 56 km
Sawanga Bacon Bicol Philippines Village - 56 km
Irosin Bicol Philippines Village 21000 people 56 km
Rapu Rapu Bicol Philippines Village - 57 km
Calagundi-an Eastern Visayas Philippines Village - 57 km
Cahicsan Eastern Visayas Philippines Village - 58 km
Sorsogon Bicol Philippines Village 83000 people 58 km
Mabini Sorsogon Philippines Village - 58 km
Lamaoan Bicol Philippines Village - 60 km
Cabadiangan Philippines Village 3000 people 60 km
Pilar Philippines Village - 62 km
Laoang Philippines Village 17000 people 62 km
Capul Philippines Village 4700 people 63 km
Dawo Eastern Visayas Philippines Village - 63 km
Lope de Vega Eastern Visayas Philippines Village 2500 people 64 km
Dolos Bicol Philippines Village - 65 km
Cabigano Eastern Visayas Philippines Village - 65 km
Osiao Bicol Philippines Village 2700 people 67 km
Butag Bicol Philippines Village 2800 people 70 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
Catarman CRM 2 Civ. Paved No 4400 42 km
Sorsogon 37 Civ. Unpaved No 3200 58 km
Virac VRC 37 Civ. Paved No 5100 86 km
Calbayog CYP 3 Civ. Paved No 4800 88 km
Legaspi LGP 20 Civ. Paved No 6800 92 km

Ports

Name LOCODE Country Distance
Casiguran Philippines 57 km
Sorsogon Philippines 59 km
Laoang Philippines 62 km
Bulan Philippines 75 km
Magallanes Bay Philippines 76 km
Coal Harbor Philippines 80 km
Virac Catanduanes Island Philippines 86 km
Legazpi PHLGP Philippines 90 km
Calbayog Philippines 91 km

More information

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