The Laschamp event is a geomagnetic excursion that occurred approximately 41,000 years ago. During this event, the Earth's magnetic field experienced significant and temporary changes, leading to a rapid decline in magnetic intensity and a partial, though not complete, reversal of the magnetic poles. Key features of the Laschamp event include: 1. **Duration**: The excursion lasted for about 1,000 years, during which time the magnetic field's intensity dropped to low levels.
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