35 km is at the bottom of being considered a "shallow" quake. Here's a breakdown graphic showing depth:
Quakes in this area are normally pretty deep (see the green and blue dots)
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
Magnitude 6.9 SANTA CRUZ ISLANDS
Sunday, September 02, 2007 at 01:05:19 UTC
Historic Seismicity
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
