Anytime an earthquake strikes anywhere in the world KRON4’s interactive earthquake map is online and in the palm of your hand at KRON4.com.
Tuesday’s 4.3 and 3.5 magnitude earthquakes near Blackhawk shortly after 1 p.m. are a reminder to be prepared for bigger and more powerful events.
The USGS says these earthquakes were on the Greenville fault. Scientists say the Greenville fault has been relatively quiet with its last major event in 1980.
KRON4 has earthquake news and how to be prepared, visit our special section on KRON4.com
In addition, KRON4 has produced a number of documentaries on Bay Area earthquakes. You can see those shows by subscribing to KRONon.tv and clicking on documentaries.