magnetic anomaly

American  

noun

Geology.

1. a departure from the normal magnetic field of the earth.

---

Etymology

Origin of magnetic anomaly

First recorded in 1895–1900

Example Sentences

His project, called Lunar Vertex, will investigate the magnetic anomaly in a region called Reiner Gamma, which contains a bright surface marking shaped like a tadpole.

From Scientific American

This anomaly, like the muon’s magnetic anomaly, hints at an unknown “influencer” — a particle or force interfering with the reaction.

From New York Times

The Great Blue Spot “is really a magnetic anomaly,” Connerney said.

From Washington Post

According to new findings gathered from a magnetic anomaly near Jupiter’s equator known as the Great Blue Spot, Jupiter has experienced a change in its magnetic field during the last five years, and the Great Blue Spot is slowly drifting eastward at approximately 2 inches per second, taking 350 years to make its way around the planet.

From The Verge

Experts like Koh say Indonesia will have to expand the area of search again if the magnetic anomaly is proven not to be the vessel and warn that if the submarine is lost at an”extreme depth”, it might be possible to retrieve.

From Reuters