07/01/21 11:27:42 UTC
Epicenter 1.21N 126.29E
Me 7.5 Broadband Source Parameters: BROADBAND DEPTH: 22.0 km RADIATED ENERGY No. of sta: 13 Focal mech. C Energy 3.5+0.4*10**15 Nm COMMENT: Complex earthquake observed on broadband displacement seismograms. A small event is followed by a larger event occurring about 10 seconds later. Depth from synthetics of broadband displacement seismograms based on larger event.
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Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver