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Interesting. Looks like quakes sometimes emit a burst of RF days to weeks before they strike.
I wonder what causes the RF. Or maybe, something causes the EM, which contributes to disruptions below.
So you are saying, earthquakes can "broadcast" themselves ahead of time?
Increases in noise on 15 and 10 meters were detected some 10 hours before the earthquake, diminishing about 3 hours afterward.
But when did we start using bandwidth (15 and 10 meter) instead of frequency (28 MHz) to describe radio transmissions? Sounds geeky.
http://www.arrl.org/news/report-california-earthquakes-disrupted-hf-propagation-on-west-coast
Maybe this can be used to predict earthquakes.