Environment ❯ Natural Phenomena

Earthquakes

Tsunamis Impact Assessment Impact on Communities Seismic Events Tsunami Alerts Impact on Society Aftershocks Volcanoes Tectonic Activity Impact on Infrastructure Ring of Fire Volcanic Eruptions Tremors Geological Activity Volcanic Activity Effects on Communities Regional Effects Geological Features Impact on Coastal Areas Seismic Waves Fault Lines Causes of Earthquakes Volcanotectonics Seismic Zones Effects on Flora Impact on Regions Impact on Nature Seismic Intensity Pacific Ring of Fire Impact on Rotation Measurement Techniques Impact on Wildlife Tectonic Plates Tsunami Geological Events

Magnitude 6.0 Quake Near Anchorage Rattles Southcentral Alaska on Thanksgiving

Officials report no tsunami threat.

Paso Robles 4.1 and San Ramon 3.3 Quakes Rattle California With Little Damage

Strong 6.5 Quake Off Guadeloupe Triggers M6.0 Aftershock

Study Finds Cascadia Megathrust Often Triggers Northern San Andreas in Closely Timed Quakes