GPS survey station, Mauna Loa, Hawaii, USA. Here, GPS is being used as a tool to monitor volcanic activity. The movement of magma beneath the surface of a volcano can change the shape of the ground. Magma moving near the surface of a volcano causes the ground above it to shift upwards. GPS is able to measure these changes, making it a useful tool to help predict eruptions. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US Geological Survey |
Bildgröße: | 4827 px × 3620 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |