Looking at all available geotagged tweets within 1,000km of the epicenter for the first SoCal earthquake, it look approximately 45-60 seconds after the quake before tweet volume started to really ramp up. This is looking at 1 second intervals. Need to reduce radius to ~100km.
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Ahhhh... that's a shame 🙁 Thanks for linking!
it's a not a shame, its a disaster for data analists
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