Related Articles

Geologic Hazards

New Orleans Levees Need to be Raised 11-ft

February 20, 2008 rockman Geologic Hazards Comments Off on New Orleans Levees Need to be Raised 11-ft

The US Army Corps of Engineers has issued a report that indicates the eastern portion of the levee system that protects Bernard Parrish will need to be raised by 11-ft to 29-ft to protect against the 100-year hurricane. Levees along Lake Pontchartrain were designed in the 1960s for what was then considered to be 200-yr and 300-yr hurricanes. Now they are judged sufficient for the 100-yr event. More at NOLA.COM.

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One of six areas proposed for sea walls is a stretch of Ocean Boulevard in Shell Beach, where erosion is eating away at the bluffs and beach, exposing a storm drain pipe.
Project Related

USACE wants 6 sea walls at Pismo Beach

December 15, 2010 rockman Project Related Comments Off on USACE wants 6 sea walls at Pismo Beach

Coastal erosion is threatening existing structures at Shell Beach and northern Pismo Beach near San Luis Obispo, California. The Army Corps of Engineers suggests 6 sea walls to protect infrastructure such as two sewage treatment […]

Damage to Lower Van Norman Dam from 1971 San Fernando Earthquake
Geologic Hazards

50th Anniversary of San Fernando Earthquake

February 24, 2021 rockman Geologic Hazards Comments Off on 50th Anniversary of San Fernando Earthquake

I posted about the 10th anniversary of the Christchurch Earthquake, but there was another notable earthquake anniversary recently…the 50th anniversary of the 1971 San Fernando earthquake. Khaled Chowdhury from the US Army Corps of Engineers […]