The epicenter is estimated to have occurred at 8°20' S. 77°50' W. at a depth of 30 – 40 km. The surface fault was observed to run about 18 km northwest from Quiches toward Conchucos. The quake was "the first well-observed instance of major faulting."
The epicenter is estimated to have occurred at 8°20' S. 77°50' W., at a depth of 30 – 40 km. The surface fault was observed to extend approximately 18 km northwest from Quiches toward Conchucos. This earthquake was "the first well-documented case of significant faulting."