Mark IngallsGood morning #SFBA! If you slept through last night's #earthquake, still fill out the USGS survey. "I slept through it" is still a useful data point.
https://earthquake.usgs.gov/earthquakes/eventpage/nc75337442/tellus
Union City, CA WeatherI felt it and captured it here in Union City on my Raspberry Shake.
Here is another waveform of the 4.6 from my Shake for your viewing pleasure. As you can see, the shaking lasted quite a while.
