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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2025-610-FA

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AKA: none

Other ID: WA Lakes 2025

Status: Pending

Organization(s): USGS, Pacific Coastal and Marine Science Center

Funding Program(s): Coastal and marine earthquake, tsunami, and landslide active margin field studies (ZP00EQV)

Contact(s): Drake Singleton, Boe Derosier, Daniel Brothers

Information Specialist(s):

Data Type(s): Sonar: Multibeam, Seismics: Sub Bottom Profiler, Sampling: Geology

Scientific Purpose/Goals: To identify lacustrine sedimentary evidence for large, potentially destructive prehistoric earthquakes in Central Washington

Vehicle(s): MarFac; Ford F350 MT use only; pickup - white; G43-2784H, MarFac; Sprinter

Start Port/Location: Santa Cruz

End Port/Location: Wenatchee

Start Date: 2025-07-07

End Date: 2025-07-21

Equipment Used: Norbit Winghead, Gravity Core, subbottomprofiler

Information to be Derived: lakefloor geomorphology, bathymetry, subbottom stratigraphy, sedimentology, age control. Derived from the Chirp 516 profiles, Norbit multibeam, percussion gravity cores

Summary of Activity and Data Gathered:

Notes: San Lorenzo will be towed from santa cruz; sprinter van for core transport and chirp trailer

Location:

Lake Wenatchee, Lake Kachess, Lake Wallowa

Boundaries
North: 49.4224094 South: 45.00209791 West: -121.38574004 East: -115.91894478

Platform(s):

photo of San Lorenzo
San Lorenzo

Publications

Portals/Viewers

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Norbit Winghead --- Multibeam
Gravity Core --- Geology
subbottomprofiler --- Sub Bottom Profiler

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