Fairly large earthquakes in the Bay Area used to be quite common, and then they stopped for no understandable reason, solving the problem once and for all. https://www.earthquakesafety.com/earthquake-history.html …pic.twitter.com/uSmlZj41p7
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
It seems natural to me that stuff on timescales much longer than a human life is hard for us to see, particularly in the New World, where we haven't been recording things for very long. It seems that multidecade long megadroughts in the American west are a thing, for example.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.