The Montenegro, Yugoslavia, earthquake of April 15, 1979: source orientation and strength
Physics of the Earth and Planetary Interiors
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Abstract
Long-period teleseismic P, S and Rayleigh waves and geologic considerations indicate that the Montenegro earthquake involved thrust faulting on a plane striking nearly parallel to the Adriatic coast and dipping ca. 15?? toward the Yugoslav mainland. There is some support from modeling of body waves recorded on long-period WWSSN instruments for a focal depth of 22 km, but the possibility of a multiple source and the difficulty of matching some of the detailed characteristics of the P- and S-wave forms reduce our confidence in the determination of the depth. Fortunately, the source orientation and moment of the event are not sensitive functions of the depth. The long-period (256 s) moment was 4.6 ?? 1019 Nm (4.6 ?? 1026 dyne-cm). The moment obtained by fitting the first cycle of P and S waves recorded on WWSSN long-period instruments is about four times smaller. This increase of moment with period is consistent with spectral estimates of the moment from SH waves recorded at SRO and ASRO stations. ?? 1981.
Suggested Citation
Boore, D., Sims, J., Kanamori, H., Harding, S., 1981, The Montenegro, Yugoslavia, earthquake of April 15, 1979: source orientation and strength: Physics of the Earth and Planetary Interiors, v. 27, no. 2, p. 133-142, https://doi.org/10.1016/0031-9201(81)90041-8.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The Montenegro, Yugoslavia, earthquake of April 15, 1979: source orientation and strength |
| Series title | Physics of the Earth and Planetary Interiors |
| DOI | 10.1016/0031-9201(81)90041-8 |
| Volume | 27 |
| Issue | 2 |
| Year Published | 1981 |
| Language | English |
| Publisher | Elsevier |
| Publisher location | Amsterdam, Netherlands |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Physics of the Earth and Planetary Interiors |
| First page | 133 |
| Last page | 142 |