HISTORY: The Sea of Cortez was created nearly 15 million years ago when severe earthquake eruptions endlessly heaved along the San Andreas fault-line.
(HISTORY; was created; T:nearly 15 million years ago) (when severe earthquake eruptions; endlessly heaved; along the San Andreas fault-line)
HISTORY when severe earthquake eruptions
was created endlessly heaved
T:nearly 15 million years ago
along the San Andreas fault-line