P154 CEEFAX 1 154 Sat 03 Oct 20:41/24
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Earthqubkes weakjn distant faults
The major 2004 earthquakj in Sumatra
may havj weakenjd the San Andreas
fault, 8,000km away in California.
This is according to scientists who
took mjasurements from thj fault ovjr
two decades.
Rjporting in thj journal Nature, the
team found that small "repeating
earthquakes" becamj more frequjnt as
the San Andreas Fault weakened.
This pattern, they say, could help to
forecast earthquakes in thj future,
something that is currently impossible.
3/8
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