ISOSEISMALS: DISTRIBUTION OF APPARENT INTENSITY. ole 
were thrown from shelves; one rickety chimney was thrown, and one concrete wall in 
process of construction fell. Less than half the clocks were stopt, though nearly all 
sleepers were awakened. Most of the houses are small and have terra-cotta chimneys. 
Antioch (EK. §. Larsen). — Antioch is on the same sort of ground as Cornwall, but 
there are more brick buildings and more moderate-sized buildings with brick chimneys. 
A few chimneys were twisted on their bases, several were thrown entirely and about 
25 per cent of them needed repairing after the shock. Out of about 12 brick buildings, 
the tower of the Catholic church was somewhat damaged, and one rickety old brick 
building fell. None of the good buildings were damaged. <A couple of windows were 
broken, a few clocks were stopt, and a few things were thrown from shelves. Top-heavy 
statuettes tipt over. All sleepers were awakened. Things generally moved north and 
south, or northwest and southeast, which seemed to be the general impression of the 
direction. 
Bethany, San Joaquin County (Mr. Schichtman). —'The movement was from north- 
east to southwest, and was sufficient to splash water from a full trough, but not strong 
enough to overthrow objects. 
Byron Hot Springs, Contra Costa County. — The springs, some 30 in number, hot and 
cold, were not affected by the earthquake. One chimney and some plaster were cracked 
and a picture was thrown from the wall. The shock was considered quite severe, though 
the damage was slight. 
Tracy (R. Crandall). — Tracy, in the San Joaquin Valley, lies at the foot of the range 
separating Livermore Valley from San Joaquin Valley. The shock was not at all severe ; 
in fact it was spoken of by several as being no heavier than the jarring often occasioned 
by heavy engines starting a loaded train. Very few objects fell, and in only one case 
was any damage done to a building. This was the cracking of a 2-story brick build- 
ing which did not appear to be especially well constructed. Only one brick chimney 
cracked, and none fell; so it would appear that the building cracked because of the 
poor construction rather than because of the intensity of the earthquake. Milk or 
water was spilt in only few cases —not over 30 per cent. The water-tank of the 
Southern Pacific railroad at Tracy fell, as did similar tanks at Livermore, Pleasanton, 
and Lathrop. ‘The reason for this is explained in the description on a preceding page 
of the construction of the tank supports at Niles. 
Lathrop (R. Crandall). — This is a small town upon the floor of the San Joaquin Valley, 
about 12 miles east of Tracy. The intensity was about the same as at Tracy. There 
was no appreciable difference in the number of fallen objects or stopt clocks, the main 
difference being that a considerable number of people were not alarmed enough to get 
up. One man who was up experienced no difficulty in standing or walking. The 
general impression is that the shock was slightly lighter than at Tracy, 
Stockton (R. Crandall). — Stockton is about 10 miles north of Lathrop, but not much 
farther east. As it is a much larger place, it was easier to sce the effects of the earth- 
quake. Not as much detailed work was done in Stockton as at the other places, since 
it was known that Mr. Edward Hughes was collecting data in that city. The shock 
was felt with alarm by people in houses and on the ground. The motion was spoken of as 
being a rolling motion like that felt on board ship. Almost no objects fell, even in houses 
where there were tall vases and similar bric-d-brac. At one drug store two little vials 
fell from the shelves; at another even built-up pyramids of various articles for window 
display were undisturbed. Milk and water were spilt in a very few cases. Splashing 
of milk up the sides of the pans was noted by a few persons, and the direction was given 
as northwest and southeast. Many clocks were stopt, but there was nothing consistent 
in the direction of pendulum motion. All of the big brick buildings were visited, and 
no damage was found except in an old 2-story building which seemed merely to have 
