Richard Dixon Oldham
1858-1936
Irish geologist and seismologist who established the existence of Earth's core. Based on his landmark survey of the 1897 Assam earthquake, Oldham identified three...
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Richard Dixon Oldham
1858-1936
Irish geologist and seismologist who established the existence of Earth's core. Based on his landmark survey of the 1897 Assam earthquake, Oldham identified three...
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Richard Dixon Oldham is credited with discovering the two main types of body waves -- elastic shock waves that travel through the Earth during earthquakes. The first of these waves is called a P , or ...
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Richard Dixon Oldham
Richard Dixon Oldham