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August 30, 2022 — Collecting Rock Samples on Ta‘ū Island

Detailed Description

A USGS Hawaiian Volcano Observatory geologist collects a rock sample using a rock hammer on Ta‘ū Island, American Samoa. HVO staff are in American Samoa responding to earthquake activity. While there to install monitoring instrumentation, they are also collecting rock samples to better understand past volcanic activity in American Samoa. USGS image by J. Chang.

Sources/Usage

Public Domain.