M 4.7 in United Kingdom on 17 Feb 2018 14:31 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: 51.66 , -3.82
Event Date: 17 Feb 2018 14:31 UTC
17 Feb 2018 14:31 Local
Exposed Population:
4100000 people within 100km
Source: EMSC 649041
Inserted at: 17 Feb 2018 14:48 UTC
INFORM Coping capacity of the alert score
1.4 (United Kingdom)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
EMSC 0.2 0.2
649041 Scaled population (vector) 6.88  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 0.56  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1199424 0.3 17 Feb 2018 14:31 4.9M, 10km N/A 4.1 million (in 100km) 00:12 EMSC
1199425 0.2 17 Feb 2018 14:31 4.7M, 10km N/A 4.1 million (in 100km) 00:17 EMSC
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 United Kingdom , Division of Wales (population 2,912,776) . The nearest places are Neath, Melyn, Skewen, Cadoxton, Bryncoch, Cimla, Briton Ferry, Llandarcy, Tonna, Birchgrove, and Bristol.

Radius Population
100 km 4.1 million people
75 km 2.5 million people
50 km 1.7 million people
20 km 460000 people
10 km 210000 people
5 km 56000 people
2 km 22000 people

Affected Provinces

Region Province Country Population
Wales United Kingdom 2.9 million people

Affected populated places

Name Region Province Country City class Population Distance
Neath Neath Port Talbot, Wales United Kingdom City 47000 people 0 km
Melyn Neath Port Talbot, Wales United Kingdom Village - 1 km
Skewen Neath Port Talbot, Wales United Kingdom Village - 2 km
Cadoxton Neath Port Talbot, Wales United Kingdom Village - 2 km
Bryncoch Neath Port Talbot, Wales United Kingdom Village - 2 km
Cimla Neath Port Talbot, Wales United Kingdom Village - 3 km
Briton Ferry Neath Port Talbot, Wales United Kingdom Village 7200 people 3 km
Llandarcy Neath Port Talbot, Wales United Kingdom Village - 4 km
Tonna Neath Port Talbot, Wales United Kingdom Village 2100 people 4 km
Birchgrove Swansea, Wales United Kingdom Village - 4 km
Cilfrew Neath Port Talbot, Wales United Kingdom Village - 4 km
Fforest Goch Neath Port Talbot, Wales United Kingdom Village - 5 km
Baglan Neath Port Talbot, Wales United Kingdom Village 7400 people 5 km
Trallwyn Swansea, Wales United Kingdom Village - 5 km
Llansamlet Swansea, Wales United Kingdom Village 5800 people 5 km
Clydach Swansea, Wales United Kingdom Village 9200 people 6 km
Trebanos Neath Port Talbot, Wales United Kingdom Village - 6 km
Bryn Swansea, Wales United Kingdom Village - 6 km
Tonmawr Neath Port Talbot, Wales United Kingdom Village - 6 km
Pontrhydyfen Neath Port Talbot, Wales United Kingdom Village - 6 km
Crymlyn Burrows Swansea, Wales United Kingdom Village - 6 km
Cwmafon Neath Port Talbot, Wales United Kingdom Village - 7 km
Baglan Moor Neath Port Talbot, Wales United Kingdom Village - 7 km
Gellinudd Neath Port Talbot, Wales United Kingdom Village - 7 km
Wernfadog Swansea, Wales United Kingdom Village - 7 km
Vardre Swansea, Wales United Kingdom Village - 7 km
Clyne Neath Port Talbot, Wales United Kingdom Village - 7 km
Pentrepoeth Swansea, Wales United Kingdom Village - 7 km
Pontardawe Neath Port Talbot, Wales United Kingdom Village 9200 people 7 km
Cwmavon Neath Port Talbot, Wales United Kingdom Village - 7 km
Cilybebyll Neath Port Talbot, Wales United Kingdom Village 4600 people 7 km
Pentrechwyth Swansea, Wales United Kingdom Village - 7 km
Port Talbot Neath Port Talbot, Wales United Kingdom City 38000 people 7 km
Cilmaengwym Neath Port Talbot, Wales United Kingdom Village - 8 km
Port Tennant Swansea, Wales United Kingdom Village - 8 km
Craig-Cefn-Parc Swansea, Wales United Kingdom Village - 8 km
Cynonville Neath Port Talbot, Wales United Kingdom Village - 8 km
Landore Swansea, Wales United Kingdom Village 6700 people 8 km
Morriston Swansea, Wales United Kingdom Village 17000 people 8 km
Penycae Neath Port Talbot, Wales United Kingdom Village - 8 km
Pantlasau Swansea, Wales United Kingdom Village - 9 km
Abergarwed Neath Port Talbot, Wales United Kingdom Village - 9 km
Rhydypandy Swansea, Wales United Kingdom Village - 9 km
Goytre Neath Port Talbot, Wales United Kingdom Village - 9 km
Rhydyfro Neath Port Talbot, Wales United Kingdom Village - 9 km
Treboeth Swansea, Wales United Kingdom Village - 9 km
Llangyfelach Swansea, Wales United Kingdom Village - 9 km
Brynhyfryd Swansea, Wales United Kingdom Village - 9 km
Maritime Quarter Swansea, Wales United Kingdom Village - 9 km
Crynant Neath Port Talbot, Wales United Kingdom Village 1600 people 9 km
Abertawe Swansea, Wales United Kingdom Major city 170000 people 9 km
Duffryn Neath Port Talbot, Wales United Kingdom Village - 10 km
Salem Swansea, Wales United Kingdom Village - 10 km
Ynysfadog Neath Port Talbot, Wales United Kingdom Village - 10 km
Cwmdu Swansea, Wales United Kingdom Village - 10 km
Abercregan Neath Port Talbot, Wales United Kingdom Village - 10 km
Godrergraig Neath Port Talbot, Wales United Kingdom Village - 10 km
Gendros Swansea, Wales United Kingdom Village - 10 km
Resolven Neath Port Talbot, Wales United Kingdom Village 2400 people 10 km
Margam Neath Port Talbot, Wales United Kingdom Village 1800 people 11 km
Ravenhill Swansea, Wales United Kingdom Village - 11 km
Uplands Swansea, Wales United Kingdom Village - 11 km
Ystalyfera Neath Port Talbot, Wales United Kingdom Village 5200 people 11 km
Nantyffyllon Bridgend, Wales United Kingdom Village - 12 km
Cockett Swansea, Wales United Kingdom Village 13000 people 12 km
Fforestfach Swansea, Wales United Kingdom Village - 12 km
Caerau Bridgend, Wales United Kingdom Village - 12 km
Cymer Neath Port Talbot, Wales United Kingdom Village - 12 km
Sketty Swansea, Wales United Kingdom Village - 12 km
Tircoed Swansea, Wales United Kingdom Village - 13 km
Gurnos Powys, Wales United Kingdom Village - 13 km
Nant-y-Cafn Neath Port Talbot, Wales United Kingdom Village - 13 km
Maesteg Bridgend, Wales United Kingdom Village 21000 people 13 km
Penllergaer Swansea, Wales United Kingdom Village - 13 km
Felindre Swansea, Wales United Kingdom Village - 13 km
Glyncorrwg Neath Port Talbot, Wales United Kingdom Village 7300 people 13 km
Pontlliw Swansea, Wales United Kingdom Village 1500 people 14 km
Rhiwfawr Neath Port Talbot, Wales United Kingdom Village - 14 km
Garden Village Swansea, Wales United Kingdom Village - 14 km
Cwmgors Neath Port Talbot, Wales United Kingdom Village - 14 km
Cwmtwrch Powys, Wales United Kingdom Village - 14 km
Seven Sisters Neath Port Talbot, Wales United Kingdom Village 2600 people 14 km
Cwmfelin Bridgend, Wales United Kingdom Village - 14 km
Bolgoed Swansea, Wales United Kingdom Village - 14 km
Killay Swansea, Wales United Kingdom Village 4400 people 14 km
Waunarlwydd Swansea, Wales United Kingdom Village - 14 km
Ystradgynlais Powys, Wales United Kingdom Village 5200 people 14 km
Blackpill Swansea, Wales United Kingdom Village - 15 km
Abergwynfi Neath Port Talbot, Wales United Kingdom Village - 15 km
Gwaun-cae-Gurwen Neath Port Talbot, Wales United Kingdom Village 2900 people 15 km
Cwmdu Bridgend, Wales United Kingdom Village - 15 km
Blaengwrach Neath Port Talbot, Wales United Kingdom Village - 15 km
Grovesend Swansea, Wales United Kingdom Village - 15 km
Dunvant Swansea, Wales United Kingdom Village 5200 people 15 km
Llangynwyd Bridgend, Wales United Kingdom Village - 15 km
West Cross Swansea, Wales United Kingdom Village - 15 km
Gowerton Swansea, Wales United Kingdom Village - 15 km
Caerbont Powys, Wales United Kingdom Village - 15 km
Cwmllynfell Neath Port Talbot, Wales United Kingdom Village - 15 km
Gorseinon Swansea, Wales United Kingdom Village 18000 people 16 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
Swansea Fairwood Common SWS 90 Civ. Paved Yes 4800 19 km
St Athan 50 Mil. Paved Yes 5900 39 km
Cardiff CWL 67 Civ. Paved Yes 7700 44 km
Chivenor 8 0 67 km
Aberporth 130 0 71 km
Haverfordwest HAW 47 Civ. Paved No 5000 81 km
Bristol BRS 189 Civ. Paved Yes 6500 82 km
Filton FZO 69 Civ. Paved Yes 8000 87 km
Brawdy 112 0 93 km
Dunkeswell 259 Civ. Paved No 3100 98 km
Merryfield Navy 45 Mil. Paved No 5900 99 km

Ports

Name LOCODE Country Distance
Neath United Kingdom 1 km
Port Talbot GBPTB United Kingdom 7 km
Swansea GBSWA United Kingdom 10 km
Llanelly United Kingdom 23 km
Lynmouth United Kingdom 47 km
Barry GBBAD United Kingdom 47 km
Cardiff GBCDF United Kingdom 50 km
Ilfracombe United Kingdom 54 km
Minehead United Kingdom 55 km
Newport GBNPT United Kingdom 59 km
Tenby United Kingdom 61 km
Watchet GBWAT United Kingdom 63 km
Barnstaple United Kingdom 65 km
Weston-Super-Mare GBWSM United Kingdom 67 km
Redcliff Bay GBREB United Kingdom 72 km
Burnham On Sea United Kingdom 74 km
Cardigan United Kingdom 74 km
Appledore GBAPP United Kingdom 74 km
Portishead GBPTH United Kingdom 74 km
Bideford GBBID United Kingdom 76 km
Pembroke GBPED United Kingdom 76 km
Pembroke Dock GBPED United Kingdom 76 km
Portbury GBPRU United Kingdom 78 km
Avonmouth GBAVO United Kingdom 78 km
Bristol GBBRS United Kingdom 80 km
Chepstow GBCHT United Kingdom 80 km
Lundy Island United Kingdom 80 km
Bridgwater GBBRW United Kingdom 82 km
Clovelly United Kingdom 84 km
Aberysstwyth United Kingdom 86 km
Fishguard GBFIS United Kingdom 88 km
Sharpness & Gloucester GBSSS United Kingdom 92 km
Milford Haven GBMLF United Kingdom 93 km
Aberdovey United Kingdom 97 km

Dams

Reservoir Dam Name River Year Distance
Usk Usk 1955 33 km
Talybont Caerfanell 1939 43 km
Llyn Brianne Towy 1972 52 km
Claerwen Claerwen 1952 68 km
Caban Coch Elan 1904 70 km
Wimbleball Haddeo 1978 72 km
Craig-Goch Elan 1904 73 km
Nant-y-Moch Afon Rheidol 1962 89 km
Chew Stoke 1956 90 km
Clywedog Clywedog 1967 92 km

Nuclear plants

Name Country Reactors Distance
HINKLEY POINT UNITED KINGDOM 4 70 km
OLDBURY UNITED KINGDOM 2 87 km
BERKELEY UNITED KINGDOM 2 91 km

More information

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