There were tornadoes, range fires, floods and earthquakes in the ancient times same as today. The Natives didn’t have written languages and their histories were stories passed down by elders, markings on walls (pictographs and petroglyphs.) There’s no way to get an accurate account of Indians who perished in these natural disasters but there likely were considerable losses.
I found one I

True West June 2019
In This Issue:
Features
Western Books & Movies
To The Point
Departments
- Did Old West Lawmen Carry their own Weapons?
- Did She or Didn’t She?
- Toppenish, Washington
- Did Doc Holliday “Open the Ball” Behind the O.K. Corral?
- Natural Disasters in Ancient Times
- What are the Origins of the Code of the West?
- Prehistoric Americans and Science
- Canyon Springs Ambush
- What History Has Taught Me: Walter Hill
- The Old Pueblo’s Historic Cuisine
- After the Battle for the Alamo, Did Any of the Wives or Children of Crockett, Bowie or Travis Visit the Site?
- Bringing Law and Order
- Old Wrist-Breaker
- Outhouses In Hotels
- Did the Punitive Expedition influence the start of the Immigration and Naturalization Service/U.S. Border Patrol?
- George Catlin Paints the West
- Bad Bill Longley
- What Can you Tell me about Joaquin Murrieta?
- Burial Site: Battle of the Alamo
- Guns That Won the West
- Butch Cassidy Would Do a Double Take
- What Exactly is Locoweed?