Geological Features

Fault Lines Tectonic Plates Seismic Zones Ring of Fire Volcanoes Volcanic Regions Subduction Zones Active Volcanoes Faults Soil Composition Continental Regions Sedimentology Tectonic Regions Seafloor Topography Tectonic Boundaries Stratovolcanoes Calderas Mendocino Fracture Zone Tectonic Activity Illinois Basin-Ozark Dome Fault Zones Fracture Zones Cultural Landscapes Glaciers Fault Dynamics Submarine Geology Islands Volcanic Activity Himalayan Belt Submerged Landscapes Earthquake Zones Rock Formations Subterranean Structures Fault Systems Mountain Ranges Earth's Crust Coastal Areas Oceanography Volcanic Arcs

Magnitude 3.1 Quake Rattles San Ramon, Extends East Bay Swarm

USGS characterizes the activity as a recurring Calaveras Fault swarm that has not caused reported damage.

Magnitude 5.9 Earthquake Strikes Off Oregon Coast With No Tsunami Threat

Magnitude 2.8 Quake Rattles East Bay Early Thursday

Ancient Mantle Anomaly Beneath Appalachians Linked to Greenland Rift

Seven Shallow Earthquakes Strike Morris County in 18-Hour Swarm