Historic Earthquakes: Energy and Broadband Solution

Magnitude 6.8 NORTHERN ALGERIA
2003 May 21 18:44:19 UTC

BROADBAND SOURCE PARAMETERS
 Energy Magnitude:
  Me                         6.7
 Radiated Energy:
  Es               2.2*10**14 Nm
  No. of sta: 16  Focal mech.  M
 Broadband Depth:        12.0 km
 COMMENT:  Complex earthquake observed on broadband displacement seismograms, with
  at least one event occurring about 5 seconds after the onset. Depth from synthetics 
  of broadband displacement seismograms based on first event.