Volcanic avalanches, also known as pyroclastic flows, are dangerous due to their high temperatures, speeds, and destructive force. They can travel at incredibly fast speeds, reaching hundreds of kilometers per hour, making it nearly impossible to outrun them. The extreme heat of volcanic avalanches, often exceeding 1,000 degrees Celsius, can cause severe burns, ignite fires, and vaporize everything in their path. The massive amount of rock, ash, and gas in these avalanches can bury entire communities, destroy infrastructure, and cause widespread devastation in a matter of minutes. Overall, volcanic avalanches pose a significant threat to both human life and property in volcanic regions.