To this class belonged the earthquake of August 13–14, 1868, and in many respects it was the most remarkable of all the great earth-throes which have desolated the neighbourhood of the Peruvian ...
There are a number of ways to measure the magnitude of an earthquake. Most scales are based on the amplitude of seismic waves recorded on seismometers. These scales account for the distance between ...
A seismometer is an instrument that records the shaking of the Earth's surface caused by seismic waves. The term seismograph usually refers to the combined seismometer and recording device. The first ...
Arkansas duck season began Saturday, and once more hunters found their way to a part of the state known as the Sunken Lands. The area covers parts of Poinsett, Craighead and Mississippi counties, and ...