Afterslip Enhanced Aftershock Activity During the 2017 Earthquake Sequence Near Sulphur Peak, Idaho

Afterslip Enhanced Aftershock Activity During the 2017 Earthquake Sequence Near Sulphur Peak, Idaho

An energetic earthquake sequence occurred during September to October 2017 near Sulphur Peak, Idaho. The normal‐faulting Mw 5.3 mainshock of 2 September 2017 was widely felt in Idaho, Utah, and Wyoming. Over 1,000 aftershocks were located within the first 2 months, 29 of which had magnitudes ≥4.0 ML...

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Veröffentlicht in:Geophysical research letters 2018-06, Vol.45 (11), p.5352-5361
Hauptverfasser: Koper, Keith D., Pankow, Kristine L., Pechmann, James C., Hale, J. Mark, Burlacu, Relu, Yeck, William L., Benz, Harley M., Herrmann, Robert B., Trugman, Daniel T., Shearer, Peter M.
Format: Artikel
Sprache:eng
Schlagworte:
Aftershocks
Earth Sciences
earthquake seismology, seismic hazard, aftershocks
Earthquakes
Forces (mechanics)
Geological faults
Geological hazards
GEOSCIENCES
Lakes
P-waves
Productivity
Seismic activity
Seismic arrays
Seismic hazard
Seismic waves
Sequencing
Sliding
Slip
Slumping
Solifluction
Sulfur
Sulphur
Tensors
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Zusammenfassung:An energetic earthquake sequence occurred during September to October 2017 near Sulphur Peak, Idaho. The normal‐faulting Mw 5.3 mainshock of 2 September 2017 was widely felt in Idaho, Utah, and Wyoming. Over 1,000 aftershocks were located within the first 2 months, 29 of which had magnitudes ≥4.0 ML. High‐accuracy locations derived with data from a temporary seismic array show that the sequence occurred in the upper (
ISSN:0094-8276
1944-8007
DOI:10.1029/2018GL078196