Historical Introduction.
9
Bedford, Leicester, Nottingham, Rutland and Lincoln. Felt
at Stamford, Doncaster, Kettering, Nottingham, Bottesford
(Leicestershire), Newark, Southwell, &c. Some old houses
thrown down at Biggleswade (Bedfordshire). Mallet gives
date as March 1st, 8.30 p.m. (Gent. Mag., vol. lxii., Part i.;
Ann. Reg., vol. xxxv.)
1793. Sept. 28th, 4 p.m. Salisbury and Shaftesbury.
Usual noise ; chimneys thrown down and bells rung. (Gent.
Mag., vol. lxiii.; Mallet.)
1795. Nov. 18th, about 11 p.m. From Leeds to Bristol
and from Norwich to Liverpool. Severe at Derby and
Nottingham. Felt also at York, Sheffield, Doncaster, North-
ampton, Coventry, Leicester, Oxford, Birmingham, &c.
Accompanied by usual subterranean noise. Chimneys thrown
down and bells rung at Nottingham and Derby. (Phil.
Trans., 1796 ; Gent. Mag., vol. lxvii. ; Mallet, &c.)
1799. Feb. 6th, night. Guernsey. " Several houses
rent from top to bottom." (Gent. Mag., vol. lxix.)
1812. May 1st, 6 h. 20 m. p.m. Wales and Gloucester-
shire. Felt at Swansea and other places towards Cardiff.
Chimneys thrown down at Neath. Accompanied by usual
sound. (Gent. Mag., vol. lxxxii., Part 1.)
1816. Aug. 13th, 10 h. 45 m. or 11 p.m. Inverness and
country for 100 miles round. Felt distinctly at Edinburgh
and Glasgow. Top of the spire of the church at Inverness
twisted round; doors swung, bells rung, and a large sluice
gate thrown up through a distance of a foot; water of Loch
Leven rendered turbid. A slight shock thirty minutes later.
(Gent. Mag., vol. lxxxvi., Part 2; 'Annals of Philosophy,'
vol. viii.; Mallet, &c.)
1838. March 17th, 1 p.m. Shrewsbury and neighbour-
ing villages ; Meole, Hanwood, Dorrington, Longden, Pontes-
bury, &c. Rumbling noise, houses and furniture violently
shaken, bells rung, and bricks thrown from a chimney. Felt
strongly in coal pits. (Ann. Reg. 1838 ; Mallet, &c.)
1839. Oct. 23rd, about 10 h. 30 m. p.m. Over nearly
two-thirds of Scotland, extending as far north as the Cale-
donian Canal. Focus probably Comrie in Perthshire, a
place constantly subject to slight shocks. The movement
here appeared to be vertical; walls were injured and furni-
ture displaced. Very loud noise heard; water in many
places agitated. (D. Milne, in Edin. New Phil. Journ.,
vol. xxxv.; Mallet, &c.)
1841. April 21st, 1 h. 35 m.a.m. Oban, Argyleshire.
Felt strongly at Lismore lighthouse, the upper part of which
was made to vibrate; loud noise heard. The ferry-house at