The USGS said this morning that two twin quakes struck off the coast the coast of California and Mexico. One tremor was a 6.4, another was a 6.1. Both were recorded at shallow depths. The earthquakes occurred only within seconds of each other..
There was 80 miles between both quakes, making it unlikely that the second was an aftershock..
So far this morning, no reports of damages have been seen, but people do confirm that they felt the shaking.