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Chirp sub-bottom profiler deployment

By Pacific Coastal and Marine Science Center
A man guides a data collection instrument, that is strapped to two large pontoons, out into water from the stern of a boat.
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Detailed Description

USGS scientist Jackson Currie deploys a chirp sub-bottom profiler (in the center) from research vessel Parke Snavely. The chirp is attached to pontoons to keep the equipment from running aground in the shallow waters of San Pablo Bay, California.

Sources/Usage

Public Domain.

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View from a dock near a calm bay with boats docked and one motoring slowly through the bay with a large outcrop in background.

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By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center
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From Point Conception to Cape Mendocino, seafloor faults have been, in the past, mapped in varying ways and without enough detail to assess their earthquake potential. To provide this important information, USGS uses advanced technology to image offshore faults that could trigger devastating earthquakes near densely populated areas and a nuclear power plant.
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Related

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View from a dock near a calm bay with boats docked and one motoring slowly through the bay with a large outcrop in background.

Offshore Faults along Central and Northern California

From Point Conception to Cape Mendocino, seafloor faults have been, in the past, mapped in varying ways and without enough detail to assess their earthquake potential. To provide this important information, USGS uses advanced technology to image offshore faults that could trigger devastating earthquakes near densely populated areas and a nuclear power plant.
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center
link

Offshore Faults along Central and Northern California

From Point Conception to Cape Mendocino, seafloor faults have been, in the past, mapped in varying ways and without enough detail to assess their earthquake potential. To provide this important information, USGS uses advanced technology to image offshore faults that could trigger devastating earthquakes near densely populated areas and a nuclear power plant.
Learn More
link
A group stands on the stern of a ship preparing an instrument attached to a cabling system.

Chirp 512i

A sub-bottom profiler like the EdgeTech SB-512i Chirp emits acoustic pulses to produce an image of the layers of sediment below the seafloor.
By
Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center
link

Chirp 512i

A sub-bottom profiler like the EdgeTech SB-512i Chirp emits acoustic pulses to produce an image of the layers of sediment below the seafloor.
Learn More
link
An instrument rests on the deck of a ship, its cables suspended above it, while a scientist looks on.

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A sub-bottom profiler like the EdgeTech SB-516 Chirp emits acoustic pulses to produce an image of the layers of sediment below the seafloor.
By
Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center
link

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A sub-bottom profiler like the EdgeTech SB-516 Chirp emits acoustic pulses to produce an image of the layers of sediment below the seafloor.
Learn More
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