The Technological Richter Scale and AI Risk

Net Impact of AI on Human Welfare
Historical Examples Extraordinarily Positive Substantially Good Ambiguous Substantially Bad Catastrophic or Existential
10
Epochal
Holocene (humans become dominant species) 0%
9
Millenary
Industrial Revolution; agriculture; fire; the wheel; the printing press 0%
8
Centennial
Electricity; vaccines; the internet; the automobile 0%
7
Decennial
Social media; mobile phones; air conditioning; credit cards
⬆ AI passed this threshold circa 2026 ⬆
0%
6
Annual
VCR; microwave oven; the zipper; Post-it notes
⬆ AI passed this threshold by 2024 ⬆
0%
0% 0% 0% 0% 0% 0%
Version 2026.07.03-f