Magnitude 1.9 Earthquake
Seismogram recorded by CBR, the station closest to the earthquake (among those in our web page display) in Bollinger Canyon, 6 miles south of Walnut Creek and 10 miles north of Hayward and from station JSB, located across San Francisco Bay on San Bruno Mountain.
Here we see one earthquake recorded on two stations. The earthquake occurred at 19:44 PDT April 24 (02:44 UTC, April 25), 2000, 6 km northeast of Danville, Calif, at a depth of 7 km (red dot on map). The magnitude is 1.9.