Accession Number:

AD0729898

Title:

High-Gain, Long-Period Seismograph Station Installation Report, Chiang Mai, Thailand,

Descriptive Note:

Corporate Author:

LAMONT-DOHERTY GEOLOGICAL OBSERVATORY PALISADES NY

Personal Author(s):

• Murphy, Andrew J.

Report Date:

1971-03-31

Pagination or Media Count:

68.0

Abstract:

This report describes the installation of a high-gain, long-period seismograph system at Chiang Mai, Thailand. The station is located at 18 degrees 47 min. 24 sec. north latitude, 98 degrees 58 min. 37 sec. east longitude, at an elevation of 416 m above sea level in a concrete surface vault adjacent to the World-Wide Standardized Seismic Network WWSSN station CHG instrument vault. The system consists of three Geotech seismometers with natural periods of 30 sec one vertical and two horizontal each with two velocity transducers and one displacement transducer.

Descriptors:

• *SEISMOLOGICAL STATIONS
• *UNDERGROUND EXPLOSIONS
• CONSTRUCTION
• DETECTION
• INSTALLATION
• NETWORKS
• PERFORMANCE(ENGINEERING)
• SEISMOMETERS
• SITE SELECTION
• THAILAND

Subject Categories:

• Seismology
• Seismic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE