Search results
Results from the WOW.Com Content Network
Davidson Seamount is a seamount (underwater volcano) located off the coast of Central California, 80 mi (129 km) southwest of Monterey and 75 mi (121 km) west of San Simeon. At 26 mi (42 km) long and 8 mi (13 km) wide, it is one of the largest known seamounts in the world. [ 4 ]
Supervolcano – Volcano that has had an eruption with a volcanic explosivity index (VEI) of 8; Trans-Mexican Volcanic Belt – Active volcanic belt that covers central-southern Mexico; Volcanic arc – Chain of volcanoes formed above a subducting plate; Volcanic explosivity index – Predictive Qualitative scale for explosiveness of volcanic ...
The Geologic History of the surrounding area including the volcano (which is covered with heavy concentrations of chaparral, oak, Pacific madrone, manzanita, western white pine and other plant species of the California coastal mountains) has been studied and documented by the USGS and prominent geologists as far back as 1938. At an approximate ...
These are the volcanoes monitored by the California Volcano Observatory, in order of highest to lowest risk assessment. Mt Shasta. According to USGS risk assessment of the volcanoes in CalVO's region, the following volcanoes were ranked "very high threat potential". [4] Mount Shasta in far-northern California, north of Redding
The volcanoes with historical eruptions include: Mount Rainier, Glacier Peak, Mount Baker, Mount Hood, Lassen Peak, and Mount Shasta. Renewed volcanic activity in the Cascade Arc, such as the 1980 eruption of Mount St. Helens, has offered a great deal of evidence about the structure of the Cascade Arc. One effect of the 1980 eruption was a ...
The Long Valley Caldera, which includes Mammoth Lakes area, has been having seismic activity, which can precede a volcanic eruption. Scientists say not to worry. One of California's riskiest ...
The Gorda Ridge (or plural, Ridges) (centered 41° 36' N, 127° 22' W), is a tectonic spreading center, located roughly 200 kilometres (120 mi) off the northern coast of California and southern Oregon. Running northeast to southwest, the region is roughly 300 kilometres (190 mi) in length. [1]
The Tsunami advisory had largely been cancelled by 9 p.m. along the California coast, including in Los Angeles and Orange counties. However it remained in effect in San Luis Obispo and Santa ...