USGS Energy and Broadband Solution

SAMOA ISLANDS REGION
09/10/19 22:49:38 UTC
Epicenter: 15.35S 172.26W 

  Me   5.8
Broadband Source Parameters:
 BROADBAND DEPTH:        18.0 km
 RADIATED ENERGY
  No. of sta: 11  Focal mech.  F
  Energy       1.0+0.2*10**13 Nm
 COMMENT:  Depth from synthetics
  of broadband displacement
  seismograms.

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

For more information, contact George Choy, choy@usgs.gov

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver