Berkeley Seismo Lab GPS station PTRB, at Point Reyes National Seashore

The Berkeley Seismological Laboratory conducts essential research on earthquakes and solid earth processes while collecting and delivering high quality geophysical data.

We provide robust and real-time earthquake and hazard information on Northern California earthquakes, in collaboration with our partners.

We enable the broad consumption of earthquake information by the general public while educating and training students at all levels.

Road is nearly cut in half due to NZ temblor.

An Earthquake of Two Flavors

Not all earthquakes are created equal. Instead, there are certain distinct flavors of earthquakes. In temblors "California Style" the two flanks of an earthquake fault slide past each other horizontally with no or only very little vertical movement. This flavor is called "strike-slip". In other quakes, the movement of one of the blocks of a fault

Gravity map of San Pablo Bay

The Missing Link

It has long been suspected, but scientists could not be sure. Are two of the most dangerous earthquake faults in Northern California, the Hayward Fault and the Rodgers Creek Fault, separate entities or are they connected in some way? The answer to this question lies literally in the mud...

graph with error bars

Monitoring the Lassen Volcanic Center

The Lassen Volcanic Center sits atop a hydrothermal system that might one day be the scene of hydrothermal explosions. Researchers keep watch over this area, and a new form of monitoring may soon be added to their arsenal. The Berkeley Seismology Lab’s Taka’aki Taira, along with Florent Brenguier (Université Grenoble Alpes) have developed a system that analyzes seismic “noise” -- vibrations without a distinct source...

Arrows on map of Honshu show its shift to the East

Predicting Presidents and Not Earthquakes

In earthquake science, the 1970's and 1980's were full of hope that we seismologists would finally be able to answer one of the fundamental - and at the same time most vexing - questions society throws at us all the time: "When can we expect the next Big One?"...