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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2020-625-FA

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AKA: none

Other ID: Alaska Lakes 2020

Status: Completed

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

Funding Program(s): Other (Other)

Principal Investigator(s): Daniel Brothers

Affiliate Investigator(s): Peter Haeussler (ASC)

Information Specialist(s): Alicia Balster-gee

Data Type(s): Location-Elevation: Navigation, Sampling: Geology, Seismics: Sub Bottom Profiler

Scientific Purpose/Goals: 2018 Anchorage earthquake response studies in lacustrine settings (supplemental project)

Vehicle(s): None

Start Port/Location: Anchorage

End Port/Location: Anchorage

Start Date: 2020-08-08

End Date: 2020-08-27

Equipment Used: navigation equipment, Gravity Core, 512 chirp-source, subbottomprofiler

Information to be Derived: subbottom profiles and short gravity cores in lakes

Summary of Activity and Data Gathered: Operations during field activity 2020-625-FA successfully collected a geophysical (Chirp) and geologic (sediment cores) dataset.

Staff: Daniel Brothers, Drake Singleton

Affiliate Staff:

Notes: Drake Singleton, new postdoc at PCMSC, will be co-leading this.


Lakes in the Anchorage region

North: 62.07350818 South: 59.46479157 West: -153.14100266 East: -148.15200806




Singleton, D.M., Brothers, D.S., Hill, J.C., Haeussler, P.J., and Witter, R.C., 2023, Geophysical and core sample data collected in lakes and fjords of southcentral Alaska following the 2018 Anchorage earthquake: U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
navigation equipment --- Navigation
Gravity Core --- Geology
512 chirp-source --- Sub Bottom Profiler
subbottomprofiler --- Sub Bottom Profiler

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