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. |
This view shows the cracks in Mattole Road going north toward Ferndale. In this area, severe cracking reduced traffic to one lane (one way). The road cracks were due to soil compaction and downhill slumping of the adjacent road shoulders. 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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