| This database and map summarizes evidence for faults and folds with Quaternary
(<1.6 Ma) movement in Ecuador and its offshore regions. Ecuador borders the
Pacific Coast and as such lies above the active subduction interface between
the Nazca and South American plates. Remote-sensing data, regional geologic
mapping, consulting reports, and other literature contain evidence for Quaternary
faulting and folding and reactivation of crustal fault and fault zones, although
most of this data is of a reconnaissance nature. The map and report (database)
include geologic and geographic information for these faults, including estimates
of fault ages, slip rates, recurrence intervals, and references. This publication,
which is the ninth in a series for Central and South America countries, is
a product of the International Lithosphere Program’s Task Group II-2 “World
Map of Major Active Faults.” The other country reports are available as
USGS Open-File Reports 98-481 (Costa Rica), 98-779 (Panama), 00-018(Venezuela),
00-180 (Argentina), 00-283(Bolivia/Chile), 00-284 (Colombia), 00-437 (Managua
area, Nicaragua), and 02-230 (Brazil). |
