See here too:
And here, from December 2016:
And this is what the Rashbi, Rabbi Shimon Bar Yochai, says: See pages 3,4, ref. 31-34. He talks of earthquakes and of a dark cloud covering the earth. Could that be referring to the dark cloud of ash produced by a volcano like Yellowstone erupting after all these earthquakes, G-d forbid?
World War III, Geulah, Moshiach and Tefillah.pdf
... And somebody doesn't want you to know the truth about Yellowstone, and the seriousness of the situation!
MORE IMPORTANT UPDATE and confirmation of warnings, June 29th:
And finally UPDATE WITHIN AN UPDATE, REALLY IMPORTANT INFORMATION ABOUT YELLOWSTONE FROM NATIONAL GEOGRAPHIC, July 10th;