A view of Summit Lake, which lies within the Summit Lake Reservation in Nevada. Photo from Summit Lake Paiute Tribe

Scientists have detected a "swarm" of earthquakes near a remote reservation in northwestern Nevada but most haven't been strong enough to be felt by people.

The swarm is centered in an area near the Summit Lake Indian Reservation, home to the Summit Lake Paiute Tribe. Some 800 tremors have been registered since July, the Associated Press reported.

Most of the quakes have been small, although two last week were measured at magnitude 4.7. The tribe hasn't said anything publicly about the tremors but not many people live on the reservation due to its remote condition -- tribal headquarters are actually in Sparks, more than 180 miles to the south.

A 3.1 magnitude earthquake hit the Pyramid Lake Paiute Tribe in October but a spokesperson at the time said there were no reports of activity from reservation residents.

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