M 4.7 in Philippines on 20 Sep 2020 17:47 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: 4.7M
Depth: 10 Km
Lat/Lon: 18.6675 , 121.0371
Event Date: 20 Sep 2020 17:47 UTC
21 Sep 2020 01:47 Local
Exposed Population:
1080000 people within 100km
Source: NEIC us7000bqix
Inserted at: 20 Sep 2020 19:24 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
us7000bqix Scaled population (vector) 6.01  
  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
1333777 0 20 Sep 2020 17:47 4.7M, 10km N/A 1.1 million (in 100km) 01:37 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 Cagayan Valley (population 2,341,000) . The nearest places are Claveria, Kilkiling, Portugal, Santiago, Batitgao, Macatel, Namuac, Filomeno, Maragnat, Aggao, and Solsona.

Radius Population
100 km 1.1 million people
75 km 640000 people
50 km 170000 people
20 km 50000 people
10 km 18000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Cagayan Valley Philippines 2.3 million people
Ilocos Philippines 3.6 million people
Cordillera Administrative Region Philippines 1.1 million people

Affected populated places

Name Region Province Country City class Population Distance
Claveria Cagayan Valley Philippines Village 10000 people 8 km
Kilkiling Cagayan Valley Philippines Village - 10 km
Portugal Cagayan Valley Philippines Village - 10 km
Santiago Cagayan Valley Philippines Village - 12 km
Batitgao Cagayan Valley Philippines Village - 13 km
Macatel Cagayan Valley Philippines Village - 14 km
Namuac Cagayan Valley Philippines Village 3000 people 15 km
Filomeno Cagayan Valley Philippines Village - 15 km
Maragnat Cagayan Valley Philippines Village - 18 km
Aggao Ilocos Philippines Village - 19 km
Bunot Cagayan Valley Philippines Village - 22 km
Adam Ilocos Philippines Village - 26 km
Bangan Cagayan Valley Philippines Village - 28 km
Tangatong Ilocos Norte Philippines Village - 28 km
Masi Cordillera Administrative Region Philippines Village - 31 km
Taccuen Cagayan Valley Philippines Village - 32 km
Bangui Ilocos Philippines Village 2400 people 32 km
Tanglagan Cordillera Administrative Region Philippines Village - 33 km
Poso Philippines Village - 35 km
Payac Ilocos Philippines Village - 37 km
Naguilian Cordillera Administrative Region Philippines Village - 37 km
San Juan Cagayan Valley Philippines Village - 38 km
Nagubugan Ilocos Philippines Village - 41 km
Fugu Cagayan Valley Philippines Village - 42 km
Marag Cordillera Administrative Region Philippines Village - 43 km
Cabayo Ilocos Philippines Village - 43 km
Sorongan Cagayan Valley Philippines Village - 45 km
Cabangaran Ilocos Philippines Village - 45 km
Tabangan Cordillera Administrative Region Philippines Village - 46 km
Banoa Cagayan Valley Philippines Village - 46 km
Buraan Ilocos Philippines Village - 47 km
Naguilian Cagayan Valley Philippines Village - 47 km
Danao Ilocos Philippines Village - 48 km
Visita Cagayan Valley Philippines Village - 48 km
Calog Cagayan Valley Philippines Village 2900 people 49 km
San Isiaro Cordillera Administrative Region Philippines Village - 49 km
Abulug Cagayan Valley Philippines Village 2400 people 51 km
Tumoc Cordillera Administrative Region Philippines Village - 51 km
Luna Cordillera Administrative Region Philippines Village - 52 km
Alsem Ilocos Philippines Village - 53 km
Karusiquis Ilocos Philippines Village - 53 km
Bojeador C Ilocos Philippines Village - 53 km
Budbudac Ilocos Philippines Village - 54 km
Colonia Number Two Cagayan Valley Philippines Village - 55 km
Batubatu Cagayan Valley Philippines Village - 56 km
Papaoar Cordillera Administrative Region Philippines Village - 57 km
Pasuquin Ilocos Philippines Village 5700 people 58 km
Cabuluan Cagayan Valley Philippines Village - 58 km
Agora Cordillera Administrative Region Philippines Village - 59 km
Pagogo Ilocos Philippines Village - 59 km
Maruaya Ilocos Philippines Village - 60 km
Zitanga Cagayan Valley Philippines Village - 60 km
Talatal Ilocos Philippines Village - 61 km
Aputan Cordillera Administrative Region Philippines Village - 61 km
Nanagan Cordillera Administrative Region Philippines Village - 61 km
San Benigno Ilocos Philippines Village - 63 km
Catuguran Cagayan Valley Philippines Village - 64 km
Tamucalao Ilocos Philippines Village - 64 km
Dibagat Cordillera Administrative Region Philippines Village - 64 km
Bacarra Ilocos Philippines City 9600 people 65 km
Malabibit Cordillera Administrative Region Philippines Village - 65 km
Mabbut Cordillera Administrative Region Philippines Village - 67 km
Linao Cagayan Valley Philippines Village - 67 km
Kapinatan Cordillera Administrative Region Philippines Village - 68 km
Ducan Cagayan Valley Philippines Village - 68 km
Bangag Cagayan Valley Philippines Village - 68 km
Iamdagan Ilocos Philippines Village - 70 km
Solsona Ilocos Philippines Village 3700 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
Taggat 5 0 8 km
Laoag International LAO 6 Civ. Paved Yes 7900 76 km

Ports

Name LOCODE Country Distance
Claveria Philippines 8 km
Abulog Philippines 51 km
Dirique Inlet Philippines 54 km
Laoag PHLAO Philippines 73 km
Aparri PHAPR Philippines 73 km
Calayan Philippines 80 km
Gan Bay Philippines 96 km

More information

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