Answer: seismic

AnswerCrossword Clue
SEISMICLike fault-line activity
seismicpertaining to an earthquake, also SEISMAL
seismicof or caused by earthquakes
SEISMICHuge and abrupt
SEISMICEnormous in proportion
SEISMICHaving a momentous impact
SEISMICQuakelike
SEISMICLike earthquakes
SEISMICRelated to earthquakes
SEISMICRelated to rumbling
SEISMICEarth-shattering, maybe
SEISMICKind of wave
SEISMICEarthshaking?
SEISMICQuaking?
SEISMICSubject to earthquakes
SEISMICPertaining to earthquakes.
SEISMICSubject to earthquake.
SEISMICEarthquake-related
SEISMICCaused by an earthquake
SEISMICCaused by bad vibrations?
SEISMICEarth-shaking
SEISMICPertaining to earthquakes
SEISMICPertaining to bad vibrations?
SEISMICPertaining to quakes
SEISMICLike many tsunamis
SEISMICGroundbreaking?