What earthquake had a magnitude of 6.4 and is categorized under blind thrust earthquakes?

The Coalinga Nose earthquake, which occurred in 1983, is a noteworthy example of a blind thrust earthquake with a magnitude of 6.4. Blind thrust earthquakes are characterized by fault structures that are not visible at the surface but can generate significant seismic activity due to movement along these hidden fault lines.

In the case of the Coalinga Nose event, it was caused by a blind thrust fault related to the tectonic processes in the region, which is influenced by the complex interaction of the Pacific and North American tectonic plates. This earthquake was particularly significant as it demonstrated how even seemingly minor faults could produce substantial earthquakes if they are capable of generating enough energy beneath the surface.

Understanding the nature of blind thrust earthquakes, including their risks and impacts, is crucial for geological assessment and earthquake preparedness, particularly in California, where such seismic events are more frequent due to the state's geological features.