Explore Search: Magnetics

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Scientists hold borehole tool.

September 15, 2011

Nuclear Magnetic Resonance Tool

Scientists work on equipment in snow-covered area.

Surface nuclear magnetic resonance in Alaska

Azimuth mark, Absolutes building and Coil building at Boulder magnetic observatory.

Boulder Magnetic Observatory

The Boulder magnetic observatory. Variations and Proton Sensor buildings at the lower right.

Boulder Magnetic Observatory

Zeiss Jena 010B Theodolite for making absolute measurements at Boulder magnetic observatory.

September 29, 2009

Boulder Magnetic Observatory

BisonCore displays live map of magnetic data from Saucer Shark for decision making and live environment interpretation

BisonCore (MagEdition) displays live magnetic data (top) and lidar altitude (bottom)

USGS Research Geologist uses a field meter to measure magnetic susceptibility of basalt flows in the Mojave Desert.

Measuring magnetic susceptibility in the field

Image: Interior of Rock Magnetics Laboratory in the Tarpaper Shack (room 40)

Interior of Rock Magnetics Laboratory in the Tarpaper Shack (room 40)

Two men stand and a woman sits on tilled earth near marsh grass, woman works on a black box, one man holds paper.

October 29, 2015

Magnetic base station setup

Black and white photograph of scientists in the field

December 31, 1950

Measuring Kīlauea magnetic field strength

Measurements of the magnetic field surrounding the Mount St. Helens...

Measurements of magnetic field surrounding the Mount St. Helens' dome

Color photograph of helicopter survey over volcano

Airborne Electromagnetic and Magnetic (AEM) survey over Kīlauea caldera on July 28, 2022

USGS scientists J. Alton Anderson and Carole D. Johnson prepare to collect a Nuclear Magnetic Resonance (NMR) log at a well.

September 18, 2014

USGS scientists prepare to collect a Nuclear Magnetic Resonance log

Color photograph of helicopter survey over volcano

Airborne Electromagnetic and Magnetic (AEM) survey over Kīlauea caldera on July 28, 2022

Internal look at the MC-ICP-MS flight tube when magnet is removed

November 19, 2019

Internal look at the MC-ICP-MS flight tube when magnet is removed

Color photograph of helicopter survey over volcano

Airborne Electromagnetic and Magnetic (AEM) survey over Kīlauea caldera on July 28, 2022

Color photograph of helicopter survey in caldera

Airborne Electromagnetic and Magnetic (AEM) survey over Kīlauea caldera on July 28, 2022

Color photograph of helicopter survey over volcano

Airborne Electromagnetic and Magnetic (AEM) survey over Kīlauea caldera on July 28, 2022

Color photograph of helicopter survey over volcano

Airborne Electromagnetic and Magnetic (AEM) survey over Kīlauea caldera on July 28, 2022

Does the Earth's magnetic field affect human health?

Image: Tarpaper Shacks in Menlo Park, California

Tarpaper Shacks in Menlo Park, California

Image shows a small aircraft at an airport with a stinger tail on it for the airborne geophysical data collection

February 7, 2023

Aircraft with Geophysical Survey Equipment

thermal-ionization mass spectrometer

December 15, 2022

The Triton thermal-ionization mass spectrometer

More signs for Fredericksburg Magnetic Observatory.

Geomagnetism Fredericksburg

Shumagin Magnetic Observatory sign.

Geomagnetism Shumagin

Image: Sitka Geomagnetic Observatory

January 27, 2011

Sitka Geomagnetic Observatory

Electronics building at Sitka magnetic observatory Alaska.

January 27, 2011

Geomagnetism Sitka

Brick signs for Fredericksburg Magnetic Observatory and National Ocean Service.

Geomagnetism Fredericksburg

Image: Sitka Geomagnetic Observatory

January 27, 2011

Sitka Geomagnetic Observatory

Image: Honolulu Geomagnetic Observatory

November 23, 2010

Honolulu Geomagnetic Observatory

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