Surrey swarm

190219 Newdigate BGS

Newdigate earthquake on 19 February 2019. Chart: British Geological Survey

This post tracks the series of earth tremors in the Newdigate area of Surrey since 1 April 2018.

It uses data from the British Geological Survey and is updated with new information as we get it.


Key points

Last updated 17/5/2019

Total earth tremors reported by BGS website: 35

Largest tremor: 3.1ML on 27 February 2019

Number of felt tremors: 12
5/5/2019, 27/2/2019, 19/2/2019, 14/2/2019, 18/7/2018 (x3), 10/7/2018, 5/7/2018, 29/6/2018, 27/6/2018, 1/4/2018

Highest intensity of felt tremors: 5 on 27 February 2019

Largest number of tremors on one day: 4 on 18 July 2018

Range of tremors: -0.6ML-3.1ML


Timeline

Last updated 17/5/2019
Time in GMT

17 May 2019

Magnitude: 0.6
Depth: 2km
Time: 4.48am
BGS link

6 May 2019

Magnitude: -0.1ML
Depth: 2km
Time: 2.55am
BGS link

4 May 2019

Magnitude: 2.5ML
Depth: 2km
Time: 0.19am
Intensity: 4
Felt
BGS link

22 April 2019

Magnitude: 0.4ML
Depth: 2km
Time: 5.16pm
BGS link

15 April 2019

Magnitude: -0.3ML
Depth: 2km
Time: 11.54pm
BGS link

11 April 2019

Magnitude: 0.7ML
Depth: 2km
Time: 0.18pm
BGS link

14 March 2019

Magnitude: 0.0ML
Depth: 2km
Time: 1.57am
BGS link

10 March 2019

Magnitude: -0.3ML
Depth: 1km
Time: 6.51am
BGS link

8 March 2019

Magnitude: -0.1ML
Depth: 2km
Time: 2.40am
BGS link

Magnitude: 0.3ML
Depth: 2km
Time: 2.39am
BGS link

3 March 2019

Magnitude: -0.5ML
Depth: 2km
Time: 10.31pm
BGS link

Magnitude: 0.6ML
Depth: 2km
Time: 2.33am
BGS link

28 February 2019

Magnitude: -0.1ML
Depth: 2km
Time: 5.39am
BGS link

Magnitude: -0.3ML
Depth: 2km
Time: 5.37am
BGS link

27 February 2019

Magnitude: -0.5ML
Depth: 2km
Time: 4.46am
BGS link

Magnitude: -0.6ML
Depth: 2km
Time: 3.51am
BGS link

Magnitude: 3.1ML
Depth: 2km
Time: 3.42am
Intensity: 5
Felt
BGS link

Record level earthquake in Newdigate, Surrey – calls for reopening of inquiry into links to oil industry

19 February

Magnitude: 2.0ML
Depth: 2km
Time: 5.03pm
Intensity: 3
Felt
BGS Link

Surrey residents report second earthquake in a week

18 February 2019

UKOG announces that oil flow has resumed from the Portland formation after a six month shut in period. Details

14 February 2019

Magnitude: 0.2ML
Depth: 2km
Time: 8.02am
BGS link

Magnitude: 2.4ML
Depth: 2km
Time: 7.43am
Intensity: 4
Felt
BGS link

Geologists link Surrey earthquakes to oil site as new tremor felt in the area

22 November 2018

Surrey earthquakes: no link to oil and gas sites, says report, but one expert disagrees

19 October 2018

Magnitude: -0.4ML
Depth: 2.3km
Time: 11.43pm
BGS link

28 September 2018

Magnitude: -0.4ML
Depth: 2.4km
Time: 10.55pm

23 August 2018

Council leader says Surrey earthquake link to oil operations cannot be “completely ruled out”

18 August 2018

Magnitude: -0.2ML
Depth: 2.1km
Time: 3.21am

16 August 2018

Geologists challenge oil companies’ comments on Surrey earthquakes

6 August 2018

Oil exploration should halt immediately in Surrey earthquake zone – geologists

18 July 2018

Magnitude: 0.9ML
Depth: 1km
Time: 1.33pm
Intensity: 3
Felt

Magnitude: 2.4ML
Depth: 1km
Time: 1.33pm
Intensity: 3
Felt

Magnitude: 0.3ML
Depth: 1km
Time: 4am
BGS link

Magnitude: 1.9ML
Depth: 1km
Time: 3.59am
Intensity: 3
Felt

More Surrey earthquakes – second oil company says it’s not to blame

12 July 2018

Earthquake monitors installed in Surrey – welcomed by campaigners

10 July 2018

Magnitude: 1.9ML
Depth: 1km
Time: 4.03pm
Intensity: 3
Felt

5 July 2018

Magnitude: 3.0ML
Depth: 1km
Time: 10.53am
Intensity: 4
Felt

Residents demand investigation as 7th Surrey earthquake shakes area between oil sites

29 June 2019

Magnitude: 2.4ML
Depth: 1km
Time: 5.54am
Intensity: 3
Felt

27 June 2018

Magnitude: 2.6ML
Depth: 1km
Time: 12.28pm
Intensity: 3
Felt

28 April 2018

Magnitude: 1.5ML
Depth: 1km
Time: 8.30pm

4 April 2018

Oil company says “We’re not to blame for Surrey earthquake” – but local concerns remain

1 April 2018

Magnitude: 1.7ML
Depth: 1km
Time: 12.11pm

Magnitude: 1.8ML
Depth: 1km
Time: 11.14am

Magnitude: 2.6ML
Depth: 1km
Time: 11.10am
Intensity: 3
Felt