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Note: The following text is a quote:

http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2007bsal.php

Magnitude 4.7 - ENGLAND, UNITED KINGDOM

2007 April 28 07:18:11 UTC
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Earthquake Details

Magnitude 4.7
Date-Time
Saturday, April 28, 2007 at 07:18:11 (UTC)
= Coordinated Universal Time
Saturday, April 28, 2007 at 8:18:11 AM
= local time at epicenter
Time of Earthquake in other Time Zones
Location 51.024°N, 1.030°E
Depth 10 km (6.2 miles) set by location program
Region ENGLAND, UNITED KINGDOM
Distances 25 km (15 miles) S of Canterbury, England, UK
85 km (55 miles) ENE of Brighton, England, UK
100 km (60 miles) ESE of LONDON, United Kingdom
150 km (95 miles) WNW of Lille, France
Location Uncertainty horizontal +/- 7.1 km (4.4 miles); depth fixed by location program
Parameters Nst= 40, Nph= 40, Dmin=395 km, Rmss=0.95 sec, Gp= 86°,
M-type=body magnitude (Mb), Version=7
Source
USGS NEIC (WDCS-D)
Event ID us2007bsal
This event has been reviewed by a seismologist.
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Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

UPDATE:

LONDON (AP) -- A moderate earthquake rattled parts of southeast England Saturday morning. There were reports of structural damage but no immediate reports of injuries.

Data from the U.S. Geological Survey said the 4.7-magnitude quake struck at 8:18 a.m., about 60 miles southeast of London.

Witnesses said cracks appeared in walls and chimneys collapsed across the county. Residents said the tremor lasting about 10 to 15 seconds.

"I was lying in bed and it felt as if someone had just got up from bed next to me," said Hendrick van Eck, 27, of Canterbury, 60 miles southeast of London.

"I then heard the sound of cracking, and it was getting heavier and heavier. It felt as if someone was at the end of my bed hopping up and down."

There are thousands of moderate quakes on this scale around the world each year, but they are rare in Britain. The country's strongest earthquake took place in the North Sea in 1931, measuring 6.1 on the Richter scale.