Method for determining source region of volcanic tremor

Details Method for determining source region of volcanic tremor Method for determining source region of volcanic tremor

1991-01-04

1992-02-04

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

By combining or comparing signals

367129, 364420, 364421, G01V 100, G01S 380, G01S 3808

Patent

active

050864157

ABSTRACT:
The source region of a volcanic tremor is determined by simultaneously detecting the tremor using seismometers installed at at least four separate points, obtaining correlation functions among pairs of the detected values, calculating at least three observation time lags corresponding to the maximal values of the correlation functions, and using the at least three observation time lags for determining the source region of the volcanic tremor.

REFERENCES:
patent: 4031501 (1977-06-01), Caruso
patent: 4317186 (1982-02-01), Nishi et al.
patent: 4480322 (1984-10-01), Orieux et al.
patent: 4961143 (1990-10-01), Takahashi et al.

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