[21]

Phil. Trans for year XXXVI

Mr Caldcleugh thinks earthquakes not periodic.

on the 20th of Feb 2 Volcanos in activity seen from plain of Talca & others to the North of state of activity -  direction of gr earthquake from SW to NE (Does not Molina mention direction). Sea first vanished returned (1/2 hour after great shock - flowed again,- returned, then enormous wave - 4 waves - Port of Maule flowed above such mark - did not retire, but 50 minutes afterwards grt. wave,- another rush 1/2 hour afterwards & during 48 hours repeated rollers came forwards with diminished violence.

Juan Fernandez 360 miles from coast, "sea rose to height of Mole, in similar manner to that of Concepcion and then receded, leaving Cumberland bay dry, and in the second rush rose 15 ft above the usual level - Therefore in both case retiring appears first great movement.

at Valparaiso no wave - merely retired & advanced

In May. 1751 wave destroyed Concepcion. (see

 

[21v]

W Parish -  At Cauquenes short time after shock temperature changed from 118° to 92° - as in 1822

On the 19th noise heard from Coseguina at 1/2 six following morning cloud observed, eruptions & earthquakes. (Ashes which fell are stratified) which lasted till 23d

A most curious paper on a shell-like substance by L. Horner formed manufactory of Cloth by L. Horner Phil. Transact. XXXVI Is there any animal Matter in my [illeg]

[Leonard Horner; David Brewster, 1836. On an artificial substance, resembling shell. Philosophical Transactions of the Royal Society of London 126: 49-56.]

 

{NB. a statement current in papers about Juan Fernandez having sunk}