USGS Professonal Paper 1096 - IRIS

GENERAL INFORMATION
ALABAMA
Mobile:
AI
Opera.ted by:
Address:
Spring Hill College
Seismic Observatory
Spring Hill College
Hobi le, AL 36608
Telephone: 205-460-2315
Address '0 obtain records:
Prior '0 1952:
WWSSN records:
None available.
National Geophysical .nd Solar-Terrestrial Data Center
NOM/EDS, 062
Pen .nd ink, since 1952 : Boulder, CO 80302
Spring Hill College
Hobile, AL 36608
SITE INFORMATION
Code
Stab_on name
latitude longitude Ele Hate gate
(deg N.) (deg w. ) (meters) opened
Foundation; geologic
closed 'g'
...
SHA Spring Hill College----- 30.6944 88.1428 61 12/1910 Open-- Unconsolidated clayey sand.
._--
INSTRUMENTATION
Code Typ,
Seismometer Galvo Typ' Magnification
Component T (sec) Tg(sec) recording at T
0 0
Remarks
SRA Benioff 1051--------- Z 1.0 0.76 Phot.o paper 6.25 K WWSSN.
Benioff 1101--------- NS,EW 1.0 .74 --do------- 6.25 K Do.
Sprengne ther--------- Z 15.0 100 --do------- 1 .5 K WWSSN. Magnification
30 sec. "
__ do _______
--do----------------- NS EW 15 0 JOO
75 K DO
Eisele AC transducer- Z,NS,EW 15.0 --- Pen .nd ink 5 K Nonstandard instruments.
Timing system: WWSSN standard used fo, .11 ins truments ., this station .
System response curves: See figure 1, p. 363.
SHORT HISTORY
Th, Spring Hill College Seismic Observatory began operations in December 1910 with