January 2025 SCGS Meeting

Happy Holidays from South Coast Geological Society! SCGS invites you to attend our first meeting and lecture of 2025! Join us at Dave & Busters in Orange. Nic Barth, Associate Professor of Geology at University of California-Riverside, will present his lecture: Someone Else's Fault! - An Introduction to New Zealand's Alpine Fault.

Abstract:

This talk will provide a whirlwind tour of the Alpine Fault in New Zealand, often considered one of the world’s “big three” active continental strike-slip fault systems (alongside Turkey’s North Anatolian and the San Andreas). The fast slip rate (∼30 mm/yr), regular recurrence interval (249 ± 58 yr), and time of last earthquake (1717 CE) yield a 75% probability of Alpine Fault surface rupture in the next 50 years, making this one of the world’s most anticipated earthquakes and distinct national-level hazards. The race is on for scientists to learn what they can and communicate it into actionable policy and planning before this earthquake strikes. This talk will provide an overview of our state of knowledge, including the most spatiotemporally complete paleoearthquake record in the world and new lidar-revealed insights into earthquake displacements, slip rates, uplift rates, and landscape effects. A spotlight will be placed on a recent study that used curved scratches (slickenlines) on fault surfaces to constrain the rupture locations of past Alpine Fault earthquakes, demonstrating the utility of a brand new paleoseismological tool applicable to surface-rupturing faults globally.

Speaker Information:

Nicolas Barth is an Associate Professor of Geology at the University of California, Riverside. He received a BSc & MSc in Geology at UC Santa Barbara and a PhD at the University of Otago in New Zealand. Among diverse research interests, his main aim is to improve our understanding of active faults and the evolution of landscapes.

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Thank you to our corporate sponsors whose generous donations help make these events sustainable! If you or your company would like to become a 2025 corporate sponsor, please fill out the form on our website and contact [email protected].

https://southcoastgeology.org/index.php/corporate-sponsors/

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Dave & Busters

20 City Blvd W

Orange, CA 92868

Member : $50

Non-Member: $60

Students: $20

2025 Membership fee (dues to be paid at check-in or here as a registration add-on): $40

6:00 PM - Check in and social hour

6:30 PM - Dinner served

7:00 PM - Presentation begins

Walk-ins welcome, but please register by 5:00 PM Friday, January 3 to help us guarantee enough food is prepared. To avoid lines and undue hassle, registration is now pre-pay only.

Event Venue & Nearby Stays

Dave & Buster's, 20 City Boulevard West, Orange, United States