EARTHQUAKES ON THE PACIFIC COAST 33 



San Francisco Bulletin, March 5, 1864. This date is often fixed in 

 September or on December 8, The Sundays were: September 6, 13, 

 20, 27; October 4, 11, 18, 25; November 1, 8, 15, 22, 29; December 6, 

 13, 20, 27. 



1812. October 8; 



Sliocks for forty days at San Juan Capistrano. — B. Ms. 



1812. October 21; IX. 



Specially hard shock at San Juan Capistrano. — B. Ms. 



1812. December S; VIII. ? 



From San Diego to Purisima; most severe at San Juan Capistrano. 

 It is not clear that it was felt at either San Diego or at San Luis 

 Eey. At San Gabriel the church was badly cracked and lost the 

 top of the tower. — H. H. B. 



1812. December 21; VIII. ? 



At San Fernando the church received serious damages. At San 

 Buenaventura, three heavy shocks before January 1. At Santa 

 Barbara, a long series of shocks, beginning on the 21st and lasting 

 several months. — H. H. B. 



Santa Inez; two shocks, fifteen minutes apart, beginning at 10 a.m. 

 At Purisima (IX), at 10.30 a.m., December 21, the earth shook for 

 four minutes so violently that it was difficult to stand. Half an 

 hour later another more violent shock. A succession of light 

 shocks this day and the next.^ — H. H. B. 



P. Gil reported that there was a huge earthquake wave at sea. A 

 stick with a pendant ball was set up at the Mission (Santa Bar- 

 bara), and the ball vibrated continually for eight days, and later, 

 at intervals for fifteen days. A ship at Kefugio (IX) was carried 

 up a caiaon by the ■wave and returned to sea. — H. H. B. 



Several asphaltum springs formed in the mountains and tulares; 

 gaps in the Sierra; the "shore volcano" has more openings, and 

 another is repoi'ted behind the Sierra de los Pinos. — H. H. B. [? ?] 



1812. 



San Francisco. Seiiora Juana Briones relates that in 1812 the earth- 

 quakes were so severe as to cause tidal waves which covered 

 the ground where the plaza now is. — (Communicated by J. K. 

 Jarboe, Esq.) 



181.3 or 1815. IX. 



John Gilroy says an earthquake shook down all the buildings " in 

 the region " (probably Santa Clara Valley) in one of these years. 

 — B. ]\Is. 



1815. .lanuary IS: 



Five shocks at Santa Barbara. — H. H. B. 

 3 



