Sir Charles Lyell notes the following phenomena attending earthquakes:
"Irregularities in the seasons preceding or following the shocks; sudden gusts of wind, interrupted by dead calms; violent rains at unusual seasons, or in countries where, as a rule, they are almost unknown; a reddening of the sun's disk, and haziness in the air, often continued for months; an evolution of electric matter, or of inflammable gas from the soil, with sulphurous and mephitic vapours; noises underground, like the running of carriages, or the discharge of artillery, or distant thunder; animals uttering cries of distress, and evincing extraordinary alarm, being more sensitive than men to the slightest movement; a sensation like sea-sickness, and a dizziness in the head, experienced by men. These, and other phenomena, less connected with our present subject as geologists, have recurred again and again at distant ages, and in all parts of the globe."
THE END
[FOOTNOTES:]
[1] A point on the other side of the earth directly opposite a given point.
[2] A fracture of a stratum, or a general rock mass, with a relative displacement of the opposite sides of the break.
The plane or fracture of a fault, known as the fault-plane, is seldom vertical. The higher side is called the heaved or upthrow side; the opposite side the thrown or downthrow side.
[3] Tectonic Earthquake. An earthquake due to the sudden slip of faulted strata.
[4] I. e., burnt out mountain, extinct volcano.