We don't know enough about rock and crustal stresses to improve predictability of single, catastrophic events to a range of years, and more likely centuries. Like when will Yellowstone blow again? Might be next year, might be in 2482. If imminent, it may be preceded by small earthquake swarms. But every they aren't certain predictability. At Yellowstone such swarms have occurred and then subsided without warning or consequence.

Chinese scientists investigated links of animal behavioral change and earthquakes. Results showed no correlation.

A few years ago bison herds left Yellowstone in large numbers. Nothing happened, and they returned.

The felon visited the roof of the White House. Two problems. The building isn't tall enough, and there were no crowds below to shout, "JUMP!"