There may be some ability to trigger vibrations below the earth's surface, whether it is HAARP or some other technology. Supposedly the Russians have a submarine that fires a torpedo armed with a nuclear warhead at the seabed off the coast of a target area that triggers tsunamis. There was also that seismic event in November 2018 that "rang the earth like a bell" with an unnatural wave pattern.
There may be some ability to trigger vibrations below the earth's surface, whether it is HAARP or some other technology. Supposedly the Russians have a submarine that fires a torpedo armed with a nuclear warhead at the seabed off the coast of a target area that triggers tsunamis. There was also that seismic event in November 2018 that "rang the earth like a bell" with an unnatural wave pattern.