From: Natural Disasters, by Patrick Abbot (used w/o permission)
A 2-dimensional seismic gap
From: Natural Disasters, by Patrick Abbot (used w/o permission)
Building at USGS Menlo Park, retro-fitted to be earthquake-resistant Photo by Donald Hyndman, taken from: Natural Hazards and Disasters by Hyndman & Hundman (used w/o permission)
Photo by Patrick Abbot, taken from: Natural Disasters, by Patrick Abbot (used w/o permission)
techniques_for_earthquake_resistance.html
From: Natural Disasters, by Patrick Abbot (used w/o permission)
CENTER FOR THE STUDY OF ACTIVE VOLCANISM (CSAV) OUTREACH
From: Natural Disasters, by Patrick Abbot (used w/o permission)