|The Tiffindell resort in the Eastern Cape after a heavy snowfall. The heaviest snowfalls for 20 years have blocked major highways as a severe cold snap tightens its grip on South Africa.
The New Madrid seismic zone in Missouri has long intrigued scientists because, according to conventional geologic theory, large earthquakes clustered in a tectonically quiet region are difficult to understand.
But at least one AAPG member is challenging the crowd.
New Orleans independent geologist Jack M. Reed believes the origin of the earthquakes lies beneath the Gulf of Mexico.