Over the past century, technological advancements have vastly improved volcano monitoring. One key innovation was the introduction of modern borehole tiltmeters, devices that measure very small ...
Earth’s magnetic field surrounds us every second of the day, everywhere on the planet. Anyone who has picked up a pocket compass and seen the magnetic needle quickly align itself has seen the action ...
Episode 39 of the ongoing eruption at Kīlauea is expected to begin Dec. 24-25, 2025. PC: USGS (12.23.25) The forecast window ...