Copyright Information: All images are in the public domain and available for free. If you use this image, credit NOAA/NGDC, Lindie Brewer, U.S. Geological Survey. |
A distant view of the same slide. Landslides were widespread and blocked or impeded traffic on the few roads available in the area. Two large landslides occurred east of Petrolia and Honeydew. These created large dust clouds and generated noise that was heard all over the valley. The slides that flowed across the roadways into neighboring ravines broke off trees and brushes. The slides hampered rescue and relief efforts. Image Credit: Lindie Brewer. U.S. Geological Survey April 25, 1992 Cape Mendocino USA earthquake On April 25, 1992 at 11:06 am local time (April 25 at 18:06 GMT), a magnitude 7.1 earthquake occurred in the Cape Mendocino area. Two additional earthquakes, magnitudes 6.6 and 6.7 occurred the next morning (April 26 at 00:41 and 04:18 am local time). The first earthquake was located six miles north of Petrolia, California, in a sparsely populated part of southwestern Humboldt County. Five small communities were located within a 50-mile radius of these events: Honeydew, Petrolia, Rio Dell, Scotia, and Ferndale. Event Data:
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