Significant earthquakes of 1984

July 19, 1984 Earthquake: Wales, United Kingdom

July 19, 1984 · M4.7

A magnitude 4.7 earthquake struck Wales, United Kingdom on July 19, 1984 at 06:56:10 UTC, 13 km below the surface.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date
July 19, 1984
Time
06:56:10 UTC
Place
Wales, United Kingdom
Magnitude
4.7 (Ms)
Focal depth
13 km (8 mi)
Tsunami
None recorded
Epicenter
52.878° N, 4.198° W

The toll

Injuries
Few (about 1 to 50)
Damage
Limited (under about $1 million)

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What the record says

NCEI’s account, from the sources it cites.

Minor injuries and damage (VI) in the northern Wales area. Rocks tumbled down a mountain side at Tremadoc, Gwynedd County, Wales. Felt (V) in eastern Ireland. Felt throughout Wales, in western Britain, and in ports of Scotland. (reference #1053)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1984The 1900sEvery quake the USGS located in 1984Recent earthquakes near hereThis day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 9868.