Beginning of 
RECORD OF AFTER-SHOCKS. 
Record of after-shocks — Continued. 

415 






Day. aiatek Duration. |Intensity. Loeality. Remarks, 
ve girly HS] secs 
ITO 0 Ip ee | Ee oe Pee Los Angeles ...... Two shocks about 6 m. apart 
followed by slight tremors 
for about 1 h. 
12825 Rae oe Lo seaoae ates Pane eednones sate. Horizontal tremors 10 s. be- 
fore, increased intensity, 
strongest at end. No sound. 
VN AS ake Sees = | Rene ot ee ae San Francisco.... | Sharp, main portion with twist, 
A. G. McA. 
Qa Omeiatse sMeh we oon | 9. See Reno, Nevada.... 
ee Pe oe e lye ace Palle ee see Another shock later. 
Gl Peas Saeed ei mee 1m Sacramento ...... Seemed to be north and south. 
Bet Se, lea ccs IV-V | Hagen, Wadsworth, On east slope of Virginia 
ete. Range, Sierra Nevadas; 
northwest-southeast. During 
next 1.5 h. 3 more, G. D. L. 
RO) A ares | eee III |S. F. Peninsula... | Slight. 
Pe eee Se ee Ye dkwe Laurel Glen ...... Tremor with 2 sharp after- 
shocks. 
UR OG Se eenoan 2 So oe | oe Woke Yerba Buena..... Light. 
Mile Rocks....... Slight shocks during day. 
Lge 0. ae ee Hpesce ilitesece BNITOK aso se5 so 7M el 18h 
DELO SE eae, | Oise Vee ee PA ha ec | |r te te Southampton Shoal| Vertical; direction upward. 
Tremor, 5 s. after; 2 sharp 
shocks, cracking sound co- 
incident. 
eS es ee, ae ae an Wiketaier ed erd ce Shock too light to be felt. It 
was detected by motion of 
bubbles of latitude levels. 
The oscillation was 4 or 1 
division (N. and 8.) d= 1.0”, 
So. T, 
Gene ae aes ween see Purnekaite sc on 2 oon South-north, slight. 
ALAS COUR Sy boro allel ye San Francisco.... | Tremor, A. G. McA. 
Be) eee cele terol INORG ee a 
ice Seo ae ale ee oe eee Laurel Glen ....-. Short and sharp. 
DRO Lea ee once lk scree San Francisco.... | Moderate, A. G. McA. 
GLO se SE Nee eyes Mile Rocks....... Moderate. 
(rs Sean Saher || ede ed ORO eehor Vertical. Strongest at middle. 
(Pub sae | ae ee eee Laurel Glen ...... Short and sharp. 
SLOP atc eid os co Bal Daca Ge San Francisco.... | Moderate, A. G. McA. 
MTG S 0) Sectors eed Sk con. cicrds IN" Steiesee Tuoclummnes..o--.- About 11" 30™ a.m. 
Go ip’ Vy a tg oe eas Sa Ae ie iW Santa Monica..... | North-south. Time not accu- 
rate. 
PAS PER Be et | eaety ia (allege Laurel Glen.....-. Light. 
DELO ee ee LO oeeetere IV S. F. Peninsula... 
Del Orr rao « ae set LE One see Followed after 4 s. by another 
brief motion. 
ae eee ee isis ee III Gree oe ee Series of gentle tremors. 
ie: See ae ane re Scott’s Valley .... | Light but decided, F. L. 
12a DF Ses nl le ems alee on oe eae Barely felt, F. L. 
LOR2O serena et ers tlh ee oe (OC es pee ee 
Bh gesazat auth ei GP aie ater, [PAN et Mile Roeks....-..- Slight shocks during day. 
NW 8 Sa A ot ae oe ey ee oe ee anasto. tes os Ws. Mi. 
Ae) eee meres ee Mee ee Scott’s Valley .... | F. L. 
OMe ee as Pre San Francisco .... | Strong, A. G. McA. 
(NUL nokta | a ha Mia Scott’s Valley... .. [at re 
iso mereye stor ihteree IV S. F. Peninsula... | Shaking houses 7 s. and re- 
peated after 5s. 
oo LO ete 5s ee Soe | eeteserers Mare Island ...... T. J. J. See. 
ee Pee ee ee Sa Scott’s Valley .... | F. L. 
od yet eas ev tyelen | ae ea (ee Mile Rocks.....-- Slight shocks during day. 
Aprs22 SH We ORs Seen ee ol as et HOMO ea ceo ileus = Be 
CE ag oe! | a ee eae Scott’s Valley .... | Two shocks barely separated, 






last continuing fully 5s.,each 
a good shake, not severe but 
steady, oscillating, F. L. 


