A geomagnetic reversal is a change in the Earth's dipole magnetic field such that the positions of magnetic north and magnetic south are interchanged (not...
44 KB (4,927 words) - 22:18, 7 May 2025
The following is a list of geomagnetic reversals, showing the ages of the beginning and end of each period of normal polarity (where the polarity matches...
3 KB (75 words) - 14:25, 9 November 2024
with geomagnetic north becoming geomagnetic south and vice versa – an event known as a geomagnetic reversal. Evidence of geomagnetic reversals can be...
10 KB (1,193 words) - 22:03, 11 May 2025
North magnetic pole (redirect from North Geomagnetic Pole)
magnetic south and vice versa – an event known as a geomagnetic reversal. Evidence of geomagnetic reversals can be seen at mid-ocean ridges where tectonic...
26 KB (2,858 words) - 13:59, 17 June 2025
Earth's magnetic field (redirect from Geomagnetic)
places. These reversals of the geomagnetic poles leave a record in rocks that are of value to paleomagnetists in calculating geomagnetic fields in the...
79 KB (8,967 words) - 01:01, 16 June 2025
that the reversal lasted 22,000 years. The apparent duration at any particular location can vary by an order of magnitude, depending on geomagnetic latitude...
8 KB (738 words) - 18:49, 26 May 2025
Laschamp event (redirect from Adams Transitional Geomagnetic Event)
or Laschamps event, also termed the Adams event, was a geomagnetic excursion (a short reversal of the Earth's magnetic field). It occurred between 42...
9 KB (828 words) - 02:47, 2 June 2025
2012 phenomenon (section Geomagnetic reversal)
feels daily from the Moon. Another idea tied to 2012 involved a geomagnetic reversal (often referred to as a pole shift by proponents), possibly triggered...
137 KB (13,629 words) - 20:11, 17 May 2025
A geomagnetic excursion, like a geomagnetic reversal, is a significant change in the Earth's magnetic field. Unlike reversals, an excursion is not a long-term...
12 KB (1,566 words) - 13:14, 25 May 2025
Extinction event (section Geomagnetic reversal)
Permian–Triassic extinctions. One theory is that periods of increased geomagnetic reversals will weaken Earth's magnetic field long enough to expose the atmosphere...
149 KB (15,140 words) - 08:04, 19 June 2025
January 27, 1987) was an American geophysicist. His work on dating geomagnetic reversals, with Richard Doell and Brent Dalrymple, made a major contribution...
19 KB (1,905 words) - 01:02, 25 March 2025
spun out of control, losing its solar panels in the process. Geomagnetic reversal Geomagnetic storm Large low-shear-velocity provinces Operation Argus Space...
16 KB (1,618 words) - 20:25, 23 May 2025
on the past behavior of the geomagnetic field and the past location of tectonic plates. The record of geomagnetic reversals preserved in volcanic and sedimentary...
20 KB (2,267 words) - 15:19, 14 June 2025
for the Apple II The Reversal, a 2010 novel by Michael Connelly Geomagnetic reversal, a change in a planet's magnetic field such that the positions of...
2 KB (311 words) - 05:47, 7 June 2025
the polarity of the Earth's field reverses. These geomagnetic reversals, analyzed within a Geomagnetic Polarity Time Scale, contain 184 polarity intervals...
49 KB (5,248 words) - 18:19, 1 June 2025
event List of geomagnetic reversals Herrero-Bervera, Emilio, and S. Keith Runcorn. "Transition Fields during the Geomagnetic Reversals and Their Geodynamic...
3 KB (340 words) - 18:43, 26 May 2025
of the geomagnetic field reversals (GMFR) of Earth's magnetic field. Extensive studies were dedicated to the calibration of the normal-reversal patterns...
115 KB (14,380 words) - 15:02, 24 June 2025
The Gauss–Matuyama Reversal was a geologic event approximately 2.58 Ma when the Earth's magnetic field underwent a geomagnetic reversal from normal polarity...
6 KB (679 words) - 14:24, 24 June 2025
his 1906 discovery of geomagnetic reversal. The current period of normal polarity, Brunhes Chron, and the Brunhes–Matuyama reversal are named for him. Brunhes...
3 KB (262 words) - 19:34, 26 May 2025
reversals. In 1985, Muller and others proposed a geophysical model that explained the magnetic reversals as the result of a decrease in geomagnetic field...
15 KB (1,896 words) - 19:50, 1 July 2025
with theories including a nearby supernova, climate change, or a geomagnetic reversal.: 1095 The Alvarezes' impact hypothesis was rejected by many paleontologists...
85 KB (8,270 words) - 16:28, 1 July 2025
structures obscured by overlying material. The magnetic variation (geomagnetic reversals) in successive bands of ocean floor parallel with mid-ocean ridges...
19 KB (2,038 words) - 03:37, 26 April 2025
places. These reversals of the geomagnetic poles leave a record in rocks that are of value to paleomagnetists in calculating geomagnetic fields in the...
26 KB (3,152 words) - 00:58, 16 June 2025
Geodesy Geoid Physical geodesy Magnetism Earth's magnetic field Geomagnetic reversal Magnetosphere Paleomagnetism Solar wind Waves Seismology Spectroscopy...
64 KB (9,156 words) - 05:37, 23 May 2025
do not trap energetic charged particles in orbit around the planet. Geomagnetic storms can cause electron density to increase or decrease relatively...
42 KB (4,791 words) - 16:26, 13 June 2025
movement of the Indian plate is an illusion wrought by large errors in geomagnetic reversal timing around the Cretaceous–Paleogene boundary, and that a recalibration...
14 KB (1,566 words) - 16:36, 4 June 2025
Geodesy Geoid Physical geodesy Magnetism Earth's magnetic field Geomagnetic reversal Magnetosphere Paleomagnetism Solar wind Waves Seismology Spectroscopy...
14 KB (1,474 words) - 23:00, 1 June 2025
Geodesy Geoid Physical geodesy Magnetism Earth's magnetic field Geomagnetic reversal Magnetosphere Paleomagnetism Solar wind Waves Seismology Spectroscopy...
28 KB (3,249 words) - 01:08, 20 June 2025
states that the Earth's oceanic crust acts as a recorder of reversals in the geomagnetic field direction as seafloor spreading takes place. Harry Hess...
12 KB (1,382 words) - 22:30, 1 June 2024
see the individual linked articles. Brunhes–Matuyama reversal – Most recent geomagnetic reversal event (about 780,000 years ago) Geologic time scale –...
31 KB (2,109 words) - 00:05, 20 March 2025