On this segment of Shaky Ground, Geologist Lori Dengler takes on the word epicenter.

Depending on magnitude, the "dot on the map" may or may not be an accurate representation of the seismic waves of a given earthquake.


On your next road trip, Geologist Lori Dengler recommends taking in a little geology.  Uncover the geologic storyline wherever the road takes you.

Earthquakes occur on faults and fault ruptures many miles beneath the surface.  Dr. Lori Dengler says we needn't worry about storms and surface water affecting our seismic reality.

HSU Geology Dept.

Small earthquakes really don't do much for stress release - but they do facilitate healthy discussions about preparedness. 

Dr. Lori Dengler shares some logarithmic understanding of the smaller quakes in our region.

HSU Geology Dept.

Big wave surfers are in a class of their own. But Geologist Lori Dengler encourages sticking with giant waves generated by big storms. On this segment of Shaky Ground, Lori shares some of the science behind the nature of the utterly unrideable tsunami.

The unplanned, the unexpected can happen at any time. Wherever summertime journeys take you, Geologist Lori Dengler says, be prepared. 

Geologist Lori Dengler talks about NOAA's National Tsunami Hazard Mitigation Program. This program provides and facilitates vital warning systems and emergency response coordination.

Will this essential program be cut by the current US administration?

From measuring the "size of the wiggle" to monitoring a "seismic moment",  Geologist Lori Dengler discusses the scientific endeavor to quantify earthquakes.

HSU Geology Dept.

Geologist Lori Dengler discusses the legacy of Humboldt's 1992 earthquake. This legacy includes an expanded awareness of the Cascadia subduction zone, which continues to inform emergency planners and professionals to this day.

HSU Geology Dept.

Did you know that California's Northcoast is the most seismically active region of the contiguous 48 states?

Geologist Lori Dengler discusses thrust faulting and our changing coastline.


25 years later, HSU Professor Lori Dengler discusses Humboldt's 1992 earthquake.

A rememberance will be held at the Warfinger Building in Eureka on April 29 at 6pm.