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seismic Articles

San Andreas Fault Affected by Irrigation

The San Andreas Fault, a continental transform that runs roughly 810 miles through California, is being affected by irrigation practices in the area, according to a study by Geologist Colin Amos from Western Washington University. Readings from GPS technology have …

Chile Aftershock Registers Magnitude 7.6

The U.S. Geological Survey reports that a magnitude 7.6 aftershock rattled Chile’s northern coast late Wednesday night, triggering a tsunami warning for regions of that country and Peru. The significant tremor came after an April 1st magnitude 8.2 quake generated …

Chile Earthquake Evacuees Return Home

Citizens of the Chilean city of Iquique were permitted to return home Wednesday morning, after an April 1st magnitude 8.2 earthquake generated a tsunami which produced 6.9 foot waves. Similar sized waves were also reported in the coastal towns Pisagua …

Peru Volcano Prompts Evacuations

A volcano in southwestern Peru called Ubinas began ejecting pyroclastic material into the sky in 2006, after over four decades of lying dormant. Recent volcanic activity has prompted officials to evacuate 60 residents of Querapi, a village near its base. …