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2025 Annual Campaign GPS measurements in progress

Detailed Description

Campaign, also known as 'survey', GPS data augment the permanent, continuously recording GPS instruments in HVO's monitoring network. In this photo, a tripod mounted with a GPS antenna is temporarily installed over a benchmark the rim of Moku‘āweoweo, the caldera at the summit of Mauna Loa. Hawai‘i Volcanoes National Park Mauna Loa Summit Cabin is visible in the background. USGS image by A. Ellis.

Sources/Usage

Public Domain.

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