Tag Archive for 'Fault zone'

The surface of Europa looms large in this newly-reprocessed color view; image scale is 1.6 km per pixel; north on Europa is at right. Image credit: NASA / JPL-Caltech / SETI Institute.

Europa’s Ocean Floor is Surprisingly Calm, New Modeling Study Suggests

Jan 7, 2026 by News Staff

A new analysis of stress, tides and interior forces suggests Jupiter’s icy moon Europa lacks the active seafloor faulting needed for robust hydrothermal...

The 2016 7.1 earthquake on the Romanche Fracture Zone in the equatorial Atlantic. The map location is given by the red rectangle on the inset globe. Image credit: Hicks et al, doi: 10.1038/s41561-020-0619-9.

Geoscientists Record ‘Boomerang’ Earthquake in Atlantic Ocean

Aug 12, 2020 by News Staff

Earthquakes occur when rocks suddenly break on a fault — a boundary between two blocks or plates. During large earthquakes, the breaking of rock...

This map shows the California Borderland and its major tectonic features, as well as the locations of earthquakes greater than magnitude 5.5. The dashed box shows the area of the new study. Large arrows show relative plate motion for the Pacific-North America fault boundary. Image credit: Mark Legg.

Researchers Map Active Fault Zones off Southern California Coast

Jun 1, 2015 by News Staff

According to a group of scientists headed by Dr Mark Legg of Legg Geophysical in Huntington Beach, residents of coastal Southern California could be surprised...