Absolute far-field displacements from the 28 June 1992 Landers earthquake sequence

Absolute far-field displacements from the 28 June 1992 Landers earthquake sequence

Displacements observed for the Landers earthquake indicate that the depth of the bottom of the rupture is shallower towards the northern end. Displacements were dominantly symmetric and the rupture extended farther south on the Johnson Valley fault than has been mapped on the basis of surface ground...

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Veröffentlicht in:Nature (London) 1993-01, Vol.361 (6410), p.340-342
Hauptverfasser: Blewitt, Geoffrey, Heflin, Michael B., Hurst, Kenneth J., Jefferson, David C., Webb, Frank H., Zumberge, James F.
Format: Artikel
Sprache:eng
Schlagworte:
Earth sciences
Earth, ocean, space
Earthquakes
Exact sciences and technology
Geophysics
Internal geophysics
Plate tectonics
Seismic activity
Seismology
Solid-earth geophysics, tectonophysics, gravimetry
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Beschreibung
Zusammenfassung:Displacements observed for the Landers earthquake indicate that the depth of the bottom of the rupture is shallower towards the northern end. Displacements were dominantly symmetric and the rupture extended farther south on the Johnson Valley fault than has been mapped on the basis of surface ground offsets. The combined geodetic moment for the Landers and Big Bear earthquakes agrees well with teleseismic estimates.
ISSN:0028-0836
1476-4687
DOI:10.1038/361340a0