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SDAG Monthly Meeting - Joint meeting with South Coast Geological Society
Wednesday - June 6, 2022


Location: El Adobe Restaurant
31891 Camino Capistrano
San Juan Capistrano
Phone: (949)493-1163


Take I-5 to the Ortega Highway exit, go west. Ortega Hwy dead-ends into Camino Capistrano (after 3 blocks); turn left and go about 11/2 blocks. El Adobe Restaurant is on the right side of the street. Parking lot is behind building. Additional parking can be found across the street...or...
Amtrak (El Adobe is 3 blocks south of the train station).

SDAG Monthly Meeting - Joint meeting with SCGS

6:00pm - Happy Hour
7:00pm - Dinner (might start this a little earlier since the projection screen is located where the buffet will be set up)
8:00pm - Presentation

happy hour
6:00pm -
Social hour  

Menu: Mexican buffet

dinner
7:00pm -
Dinner


Cost: $50.00 for non-members, $45.00 for members, $30.00 for students
Click the SDAG member checkbox on the reservation form if you are a member.

Reservations: Make your reservation online by clicking the button below no later than noon, Friday, June 3
RESERVATIONS CANNOT BE ACCEPTED AFTER Friday at noon.
Late reservations/cancellations are preferred over walk-ins or no-shows. Fees payable at the meeting or pre-pay with PayPal.
There also will be a phone credit card reader at the meeting.

IF YOU DO NOT MAKE A RESERVATION, WE CANNOT GUARANTEE YOU A MEAL.
If you are a current SDAG member and are not getting e-mail announcements,
make sure the SDAG secretary has your correct e-mail address.

speaker
8:00pm -
Program

" 2018-2020: Two Years, Eight Storms, 320+ landslides, and an Earthquake
(What does it mean, and what do we do now?)"

Speaker: Rick Wooten

Rick's presentation will highlight topics he will cover during in his Jahns' lecture series. These themes include interconnecting geoscience, weather patterns, and history in landslide hazard studies; using drones and lidar in emergency landslide responses and hazard mapping; building multi-disciplinary partnerships in applied geology and research; and, communicating with stakeholders about landslide hazards.

He will explore these topics in the context of the North Carolina Geological Survey's landslide response and landslide mapping efforts between 2018 and 2020. A two-year period of record above-normal rainfall that began in 2018 resulted in a steady increase in landslide frequency over the preceding four years throughout the Blue Ridge Mountains of western North Carolina. Eight extreme rainfall events related to low pressure systems, convective storms, and tropical cyclones triggered over 320 debris flows and debris slides, and led to the reactivation of large, slow- moving landslides that threaten property and regional infrastructure. This interval of increased landslide activity began abruptly on May 18, 2018, when a rapidly developing convective storm triggered at least 240 debris flows and debris slides that resulted in a fatality, destroyed homes, and severely damaged infrastructure. Landslides from subtropical cyclone Alberto and tropical cyclone Florence in 2018 will be discussed, as well as post-wildfire debris triggered by the August 24, 2019 convective storm that resulted in over $1 million in direct losses. The August 9, 2020 Mw 5.1 earthquake near Sparta, NC caused over $15 million in damage to buildings and infrastructure. Ongoing investigations identified the first modern fault rupture attributed to recent seismicity in the Southeastern U.S. Ground surface ruptures along the ESE-trending Little River Fault parallel other linear topographic features crossing the southern Blue Ridge in areas of concentrated landslide activity.

The confluence of new technology, the passage of National Landslide Preparedness Act and the ongoing impacts of extreme weather patterns linked to climate change present a compelling opportunity for the geoscience community to press forward in a coordinated effort to reduce losses from landslides. An essential part of meeting this challenge is building partnerships within and outside of the scientific community to increase public awareness of geologic hazards.

Richard (Rick) Wooten has over 40 years of experience in applied geology in the Cascade Mountains of Washington State and applied geologic research in the Piedmont and Blue Ridge Mountains of North Carolina. He earned his BS and MS degrees in geology at the University of Georgia in 1973 and 1980. Rick recently retired from the North Carolina Geological Survey where he was the Senior Geologist for Geohazards and Engineering Geology from 1990 to 2021. His previous work includes mapping geologic resources and conditions for land-use planning, landslide investigations, and applied geotechnical geology for the USDAForest Service on the Gifford Pinchot National Forest in Washington State from 1980 to 1990. His work with the North Carolina Geological Survey includes the scientific regulatory review and field investigations for a low-level radioactive waste disposal project and bedrock geologic mapping in the Piedmont and Blue Ridge Mountains. Since 2003, his main focus has been on landslide hazard mapping and research and responding to landslide events North Carolina Blue Ridge. He has a special interest in the relationships of ductile and brittle bedrock structures with geomorphology and landslides processes and communicating landslide hazards information with stakeholders.

Upcoming SDAG meetings - 2022

Monday June 6: - Joint meeting with South Coast Geological Society

Meetings are usually scheduled for the 3rd Wednesday evening of the month. Meeting information on this website is normally updated the second week of the month.

Recordings of past meetings

3/16/2022: Dr. David A. Novelo-Casanova & Dr. Gerardo Suárez "The Risk Atlas of Mexico City, Mexico: a tool for decision-making and disaster prevention"
https://us02web.zoom.us/rec/share/6cXhxheuNRLf951mBU-ehWXBSYm-7RrzQya-pTvG29-XrMIeo3OUPiuDsSjMhkVV.Du82etdkgOSB1C6b
Passcode: S5UVV8y$

2/16/2022: Dr. Isabelle Sacramento-Mcjilton "The Great Geological Perils of Portugal: Quiet now, big later..."
https://sdsu.zoom.us/rec/share/cFG-2q3UJ0_MArSODCZDwYbSx6MIWxNEJfYLvOGbax2c5Tqx9VBEQuE_6flSs0IO.C5a4zKF1_fLocf10

1/19/2022: Dr. Norrie Robbins "Extending the Busch-Miller (2016) Hypothesis: Acid Rain from K-Pg Bolide Impact Chemically Altered Exposed Igneous Rocks in San Diego County"
https://us02web.zoom.us/rec/share/g1owcE-POmcFiwun3utUNutGFjND072PQiSyg_YHAWz1zcwLXFyKRGBp6K8DPo3r.X15QHo14H8xGU60G
Passcode: K8^!F=ZE

Recordings of other past meetings are temporarily unavailable

If you have any information, announcements, ads or suggestions for an upcoming newsletter, please submit it to 2022 SDAG Secretary. Any news regarding upcoming events that may be of interest to the Association or news of your business can be submitted. The submittal deadline for the next SDAG newsletter is the last Friday of the month.
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