# Questions tagged [geomagnetism]

Questions regarding the magnetic field emanating from Earth's interior.

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### Calculating magnetic declination for a non-axial dipole field

I'm trying to answer the following question: Compute the inclination and declination of the magnetic field that would be observed in Boulder, Colorado (40°N, 105°W) if the Earth’s field ...
3k views

### Is it possible for Earth to experience Polar Shift?

Many accounts claim that the Magnetic Field of the Earth has been seriously degrading for the past centuries and we are currently in the process of the so called Polar Shift. How likely would it be ...
335 views

### Laboratory simulation of the Earth's magnetic field

I remember reading an article where a scientist was able to make a spinning iron tube with liquid nickel inside and it created a magnetic field, providing a laboratory-scale simulation of the ...
427 views

### How long did it take for Earth's magnetic field to first appear?

Merely what the title states. My knowledge of geography/geology/*logy is limited to high-school, and some snippets, and snatches of conversation. As I understand Earth's magnetic field is attributed ...
2k views

### Does the strength of Earth's magnetic field influence its climate?

The strength and orientation of Earth's magnetic field varies with time. Does this variation of the magnetic field have any influence upon climate? For example, is there any correlation between ice ...
235 views

### What is the furthest observable phenomenon from Earth that is Earth Science?

Guessing that the Earth's magnetic field is the furthest observable Earth Science related phenomenon from Earth itself, though not completely sure.
266 views

### What are the ramifications to life on Earth when the Earth's magnetic poles switch?

This question is related to this question about the cause of the Earth's magnetic field switching polarity. My question is: How does this switch in the polarity of the magnetic field affect life on ...
347 views

### Why Earth's magnetic poles are (and were) in their positions?

This is a sort of a follow-up question to What causes the Earth to have magnetic poles? The Earth has magnetic fields, and according to dynamo theory I roughly understand why. If the Earth's rotation ...