Use of a bubble tiltmeter as a horizontal seismometer

Wayne F. Miller*, Robert J. Geller, Seth Stein

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Summary. A bubble tiltmeter has been used as a horizontal seismometer. With the appropriate filters, the bubble system has good response for displacement over the passband of conventional seismometers (from about 10 Hz to 200 s), and for tilt from about 1 Hz to DC. The accuracy of the response is confirmed by comparing the filtered bubble output to conventional seismic instruments. The agreement between the filtered bubble records and broad band (T0= 1 s, Tg= 90 s) and short period (T0= 1 s, Tg= 0.2 s) conventional records is extremely good in every case. The small size, broad‐band response, and lack of moving parts make the bubble ideal as an instrument for remote environments. In particular, the instrument seems ideal for the ocean bottom, land and marine boreholes and planetary missions.

Original languageEnglish (US)
Pages (from-to)661-668
Number of pages8
JournalGeophysical Journal of the Royal Astronomical Society
Volume54
Issue number3
DOIs
StatePublished - Sep 1978

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

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