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News
Potter Valley Project scoping meetings in Eureka give Humboldt County voice in post-dam future
3+ hour, 4+ min ago (352+ words) Environmental groups are urging the public to attend and voice their support for the planned decommissioning and dam removal and to help shape the plan’s environmental review process via NEPA. The two meetings are scheduled to take place at the…...
Lori Dengler | A vacation should always include geology
1+ mon, 4+ day ago (1104+ words) Times-Standard One of the perks of being an earth scientist is that no matter where I travel, there is always a geologic story, and this year put us in the middle of limestone country. Our big 2026 vacation took us to…...
Cal Poly Humboldt earthquake research could transform seismology on the North Coast
1+ mon, 3+ week ago (342+ words) When seismic waves travel through the ground, Riggs said, those fiber-optic lines are distorted, giving scientists information about how those waves travel along the entire length of the fiber-optic line. “It turns the whole cable itself into one long line…...
Arcata Wastewater Treatment Facility completes milestone
2+ mon, 1+ week ago (169+ words) The city of Arcata hosted a ribbon-cutting ceremony Wednesday afternoon marking the completion of Phase One of the Arcata Wastewater Treatment Facilities Improvements Project. The ceremony took place just after 4 p.m., following a site tour at the 600 South G Street wastewater…...
Lori Dengler | August landslide tsunami in Alaska ranks as the second highest of all time
2+ mon, 3+ week ago (1212+ words) Times-Standard Last summer, a massive landslide slid into a fjord south of Juneau, Alaska, producing an enormous surge of water that ran up the opposite hillside and sped down the channel, scraping off trees and soil and disturbing kayakers camped…...
Life after the dams: New water storage options mulled for Mendocino County
5+ mon, 3+ week ago (442+ words) One of the few things most people can agree on when discussing life after the Potter Valley Project is that the reservoir created by Coyote Valley Dam needs to hold more water. “Increasing the storage in Lake Mendocino is really…...
Lori Dengler | April’s 1906, 1992 earthquakes and the triple-junction connections
3+ mon, 3+ week ago (1037+ words) Times-Standard Our last three significant North Coast earthquakes all occurred in December. This was a mere coincidence and there is nothing about any particular time of year that is more earthquake-prone. The two most damaging North Coast earthquakes in the…...
Lori Dengler | A vacation in Argentina and a glimpse of Gondwanaland
8+ mon, 1+ week ago (996+ words) "Travel brings many pleasures, but for those of us with an earth science background, it is a special treat to visit different tectonic regimes and to work out some of the geologic underpinnings." My husband and I recently returned from…...
Lori Dengler | A week of earthquakes illustrates seismic sources on the North Coast
11+ mon, 1+ week ago (326+ words) What happened in this region over the past week? The USGS noted 56 earthquakes ranging in magnitude from 1.1 to 5.8. It was a somewhat more active week than typical — our weekly totals for the past few months have been in the mid…...
Lori Dengler | A 1954 cold case seismic mystery solved — maybe
11+ mon, 4+ week ago (381+ words) We didn’t have the means to explore the earthquake any further at the time. This was long before the digital era and what records remained were languishing in basements and warehouses. But I would frequently query colleagues about how we…...