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| Earthquake: Brynmawr, Cardiff and valleys feel tremors | Earthquake: Brynmawr, Cardiff and valleys feel tremors |
| (42 minutes later) | |
| The epicentre of the earthquake was just north of Brynmawr, Blaenau Gwent | The epicentre of the earthquake was just north of Brynmawr, Blaenau Gwent |
| An earthquake has shaken parts of Wales, with tremors felt for 100 miles. | |
| The British Geological Survey (BGS) said the 3.7 magnitude quake happened at 23:59 GMT on Friday and was 1.8 miles (3km) under the Earth's surface. | |
| The epicentre was north of Brynmawr, Blaenau Gwent, and west of Crickhowell, Powys, but people on Twitter reported feeling it as far away as Birmingham. | |
| Gwent Police said it received multiple calls overnight but it was "business as usual" for the force. | |
| BBC journalist Alex Humphreys said she felt the "mini earthquake" in Cardiff, 30 miles (50km) away. | BBC journalist Alex Humphreys said she felt the "mini earthquake" in Cardiff, 30 miles (50km) away. |
| "My whole bed shook," she tweeted. Others described it as a "scary" experience. | |
| Brian Baptie, BGS head of seismology, said it was the largest earthquake in south Wales since a 4.6 magnitude quake about 25 miles (40km) west, near Swansea, in February 2018. | |
| He added that, on average, Britain only gets about one earthquake with a magnitude of 3.7 or greater each year. | |
| A seismograph shows the force and duration of Friday night's quake | |
| The largest earthquake ever recorded in the UK was in the North Sea on 7 June 1931, with a magnitude of 6.1. | The largest earthquake ever recorded in the UK was in the North Sea on 7 June 1931, with a magnitude of 6.1. |
| The epicentre was in the Dogger Bank area, 75 miles (120km) north-east of Great Yarmouth, Norfolk. | The epicentre was in the Dogger Bank area, 75 miles (120km) north-east of Great Yarmouth, Norfolk. |
| Wales' most powerful quake was on the Llyn Peninsula, Gwynedd, in 1984 - measuring 5.4, it began at a depth of more than 12 miles (20km). | Wales' most powerful quake was on the Llyn Peninsula, Gwynedd, in 1984 - measuring 5.4, it began at a depth of more than 12 miles (20km). |
| Swansea earthquake tremor 'frightening' | Swansea earthquake tremor 'frightening' |
| Earthquake felt across parts of UK | Earthquake felt across parts of UK |
| The BGS said smaller quakes were not unusual in Wales, with 70 measuring more than 3.5 between 1727 and 1984. | The BGS said smaller quakes were not unusual in Wales, with 70 measuring more than 3.5 between 1727 and 1984. |
| A 5.2 magnitude earthquake in Swansea in 1906 was one of the most damaging British earthquakes of the 20th Century, with damage to chimneys and walls reported across south Wales. | |
| The British Geological Survey said the quake's epicentre was just north of Brynmawr and west of Crickhowell | The British Geological Survey said the quake's epicentre was just north of Brynmawr and west of Crickhowell |
| Listeners told BBC Radio Wales Breakfast that they felt the "earth shake" in Ebbw Vale, which brought people out of their homes and into the streets. | |
| Robert Griffiths, from Rhiwbina, Cardiff, said he had just sat down to watch TV after a night out when "all of a sudden the whole house shook". | Robert Griffiths, from Rhiwbina, Cardiff, said he had just sat down to watch TV after a night out when "all of a sudden the whole house shook". |
| "The ceiling creaked, we immediately turned the television off and thought 'what on Earth was that?' | "The ceiling creaked, we immediately turned the television off and thought 'what on Earth was that?' |
| "It was kind of like 20 trucks had driven in front of the house so it was most unusual and quite strange." | "It was kind of like 20 trucks had driven in front of the house so it was most unusual and quite strange." |
| Stephanie Palfrey from Blackrock, near Abergavenny, said she "thought the mountain right behind the house was sliding down". | Stephanie Palfrey from Blackrock, near Abergavenny, said she "thought the mountain right behind the house was sliding down". |
| "Other villagers came out of their homes to see what the noise was," she said. | "Other villagers came out of their homes to see what the noise was," she said. |
| "We live in an old cottage. You could hear it rattling. It was quite something." | "We live in an old cottage. You could hear it rattling. It was quite something." |
| Geoffrey Davies described an "almighty bang" at Llangattock, near Crickhowell. | Geoffrey Davies described an "almighty bang" at Llangattock, near Crickhowell. |
| "Initially we didn't know what to think. It was the sort of bang I had never heard," he added. | "Initially we didn't know what to think. It was the sort of bang I had never heard," he added. |
| "When someone says 'it shook you to the core', it was that kind of feeling." | "When someone says 'it shook you to the core', it was that kind of feeling." |
| Elsewhere, Cat said she "thought we were going mad" in Blaenavon, Torfaen, as her "bed and house shook side to side". | Elsewhere, Cat said she "thought we were going mad" in Blaenavon, Torfaen, as her "bed and house shook side to side". |
| Dr Ian Stimpson, a senior geologist at Keele University, in Newcastle-under-Lyme, Staffordshire, said such events "happen relatively infrequently" in the UK. | Dr Ian Stimpson, a senior geologist at Keele University, in Newcastle-under-Lyme, Staffordshire, said such events "happen relatively infrequently" in the UK. |
| "They are a big shock. An earthquake of this size, probably the UK has about three of them a year on average," he said. | "They are a big shock. An earthquake of this size, probably the UK has about three of them a year on average," he said. |
| "These earthquakes are way smaller than the Turkish earthquake for example - that was a million times more powerful than the earthquake last night." | "These earthquakes are way smaller than the Turkish earthquake for example - that was a million times more powerful than the earthquake last night." |
| Other recent earthquakes in Wales were much smaller than Friday's. | Other recent earthquakes in Wales were much smaller than Friday's. |
| The BGS reported a tremor with a magnitude of 0.9 in Llwynmawr, near Chirk, Wrexham, on 4 February, one of 1.1 at Llandybie, Carmarthenshire, on 20 January and one with a magnitude of 2 at Llanbedr, Powys, on 27 December. | The BGS reported a tremor with a magnitude of 0.9 in Llwynmawr, near Chirk, Wrexham, on 4 February, one of 1.1 at Llandybie, Carmarthenshire, on 20 January and one with a magnitude of 2 at Llanbedr, Powys, on 27 December. |
| Related Topics | Related Topics |
| Blaenavon | Blaenavon |
| Ebbw Vale | Ebbw Vale |
| Crickhowell | Crickhowell |
| Brynmawr | Brynmawr |
| Cardiff | Cardiff |
| Llangattock | |
| Llandybie | Llandybie |
| Rhiwbina | Rhiwbina |
| Blackrock | |
| Chirk | Chirk |
| Llanbedr | Llanbedr |
| Earthquakes | Earthquakes |