Earthquakes create ripple effects in Earth's upper atmosphere that can disrupt satellite communications and navigation systems we rely on. Scientists have now used Japan's extensive network of Global ...

PACIFICA -- An earthquake swarm rattled under Pacifica early Tuesday with a 3.5 temblor followed in rapid fire manner by aftershocks. According to the U.S. Geological Survey, the initial jolt of 3.5 ...

Global Navigation Satellite System (GNSS) receivers help with precise location tracking and can detect disturbances in the upper atmosphere (ionosphere) by measuring delays and changes in ...

That “crack” spotted in a hillside after Sparta, North Carolina, suffered a 5.1 earthquake Sunday may be a lot less ominous than some people feared. It shocked tourists in town for the weekend, but ...