In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements.

What is a fault and what are the different types? A fault is a fracture or zone of fractures between two blocks of rock. Faults allow the blocks to move relative to each other. This movement may …

1 day ago · Trace the forces of plate tectonics that create faults, revealing the specific global and regional locations of major earthquake zones and seismic hotspots.

There are several types of fault lines, including normal faults where the earth is pulled apart, reverse faults where it is pushed together, and strike-slip faults where plates slide past each …

Nov 11, 2025 · fault, in geology, a planar or gently curved fracture in the rocks of Earth’s crust, where compressional or tensional forces cause relative displacement of the rocks on the …

Jul 1, 2025 · Fault lines are fractures in the Earth’s crust where tectonic plates converge, serving as the primary sites for earthquakes. This article explores the formation processes and types …

Nov 7, 2020 · Earthquake Faults and Folds in the USA. This feature layer, utilizing data from the U.S. Geological Survey"s (USGS) Earthquake Hazards Program (EHP), displays known faults …

Apr 15, 2025 · NORFOLK, Va. — Fault lines are fractures or breaks in the Earth's crust where tectonic plates move past each other, often resulting in earthquakes. These geological …

Jul 2, 2025 · A comprehensive understanding of fault lines is essential for various technological applications, including infrastructure planning, resource extraction, and hazard mitigation.

In order to maintain a current and relevant dataset, effective January 12, 2017, the USGS will maintain a limited number of metadata fields that characterize the Quaternary faults and folds …