Norwegian Seismologists believe they detected a signature. https://www.reuters.com/world/europe/norwegian-seismologists-say-data-shows-explosions-time-ukraine-

Norwegian Seismologists believe they detected a signature. https://www.reuters.com/world/europe/norwegian-seismologists-say-data-shows-explosions-time-ukraine-dam-blast-2023-06-09/ https://www.reuters.com/world/europe/norwegian-seismologists... (Not to dismiss the effects of Russia's deliberate overfilling.)