310 REPORT OF THE CALIFORNIA EARTHQUAKE COMMISSION. 
were broken in the building, and glassware was wrecked in quantities. Neither church 
nor school-house suffered any damage. The shock was mostly in a north-south direction. 
Danville (F. EX. Matthes). — Most chimneys were cracked or twisted; a few were 
broken off completely. Glassware in saloons and goods in a grocery store were thrown 
down in quantities in various directions. Water was observed to splash out from two 
tanks in the village, in a southerly direction in each case. Water-pipes laid over the 
surface of the ground at a neighboring ranch were reported to have been thrown out of 
alinement. 
Walnut Creek (F. E. Matthes). — About 50 per cent of all chimneys were thrown 
down. <A water-tank at the livery stable fell. Goods in the grocery store were thrown 
down in quantities. The direction of the shock was not ascertainable. Two barns, 
weak structures, were moved slightly from their foundations. Plaster in several houses 
was cracked. 
Clayton (G. D. Louderback). — At the northern base of Mount Diablo the intensity of 
the shock was much less than in the alluviated valley-bottom at Concord. No chimneys 
were thrown down, and no dishes nor glassware were knocked off shelves, but milk in 
pans was skimmed by the rocking motion. On a hillside above Peach Tree Spring, on 
the west side of Mount Diablo and very near the contact of the Knoxville shales and the 
Franciscan, a crack opened in the ground about 80 feet long, in a north and south 
direction, gaping 4.5 inches. 
Concord (F. EK. Matthes). — Conditions here were much the same as at Walnut Creek. 
The only brick building, a bank, was cracked. Most of the chimneys were cracked, and 
about 50 per cent had fallen. A water-tank at the depot was thrown down. 
Martinez (F. E. Matthes). — Most of the brick buildings here suffered severely ; nearly 
all are more or less cracked, and the stone facing of several was partly demolished. 
The roofs of the bank and other buildings were wrecked. A small stone house, built 
of large blocks, was completely ruined, probably owing to vigorous vibrations of an 
adjoining wooden water-tower near the Alhambra Hotel. The stones started in the east 
abutment of Main Street bridge. Many window-panés were broken. Most of the chim- 
neys were broken off. ‘The court-house was little injured, except for the pediment above 
the entrance, where many large stones have been loosened. One of the chimneys of 
the Bull’s Head Oil Works lost a corner; the others were left undamaged. The railroad 
track east of Martinez, near Bull’s Head Oil Works, was thrown 3 inches out of aline- 
ment to the north. Many cracks occurred in the embankment on both sides of the track. 
A series of 5 small transverse waves was found in the embankment about 0.5 mile west 
of Peyton Station. The distance between crests was about 10 to 15 feet; amplitude 
estimated at 3 inches. This embankment lies in flat marshy land. A small railroad 
bridge near Avon Station was thrown 4 inches toward the east abutment, but it had been 
repaired at the time of the visit. 
(W. Stoddard.)— Buildings were loosened in general, the fronts of some falling out. 
The north and south walls seemed to suffer most. Parts of a large wooden building, 
particularly the window-sashes, were moved in a southwesterly direction. 'The wooden 
props supporting another building were tilted a little toward the southwest. Another 
building was moved 0.5 inch toward the south. The southern part of the town was 
damaged more than the northern part. In the cemetery 6 slabs and pillars fell a little 
east of north; 2 pillars fell to the west; 2 pillars were twisted on their bases and shifted 
to the west; 1 pillar was tilted to the south immediately next one which fell to the east. 
A clock at the court-house had its pendulum broken. The pendulum was about 2 feet 
long. The level of the underground water rose after the shock. 
Cornwall and Black Diamond (E. 8. Larsen). — The towns are about 0.5 mile apart, 
both located on the bay flat and underlain by a tough hardpan. A very few things 
