Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| aftershock | an earthquake that follows and has its epicenter near a larger earthquake. |
| aseismic | free from earthquakes; designed to withstand earthquakes. |
| coseismal | connecting points simultaneously affected by an earthquake; (noun) a coseismal line. |
| coseismic | connecting points simultaneously affected by an earthquake; (noun) a coseismal line. |
| earthquake | a quaking or shaking of the earth. |
| earthquaked | shaken or destroyed by an earthquake. |
| earthquaking | having the nature of an earthquake. |
| epicenter | (US) the point on the Earth's surface that is directly above the focus of an earthquake. |
| epicentre | the point on the Earth's surface that is directly above the focus of an earthquake. |
| epicentrum | the point on the Earth's surface that is directly above the focus of an earthquake. |
| foreshock | a minor tremor that precedes an earthquake. |
| groundswell | a broad, deep undulation of the ocean caused by a distant gale or earthquake. |
| hypocenter | the point under the earth's surface where the energy of an earthquake is first released. |
| intraplate | relating to or occurring within the interior of a tectonic plate, eg an intraplate earthquake. |
| isoseismal | a line connecting points of same earthquake intensity. |
| isoseismic | a line connecting points of same earthquake intensity. |
| megaquake | a very large earthquake. |
| megathrust | as in megathrust earthquake, an earthquake of exceptional destructive power. |
| microearthquake | an earthquake of low intensity. |
| microquake | a very small earthquake. |
| microseismic | relating to a microseism, a small earth tremor. |
| microseismical | relating to a microseism, a small earth tremor. |
| microseismicity | the state of being microseismic. |
| moonquake | a seismic disturbance on the moon. |
| quake | a tremor, an earthquake (verb) to shake or vibrate |
| seism | an earthquake. |
| seismal | relating to a seism or earthquake. |
| seismic | relating to earthquakes. |
| seismical | relating to earthquakes. |
| seismically | (Adv.) SEISMICAL, relating to earthquakes. |
| seismicity | the degree of vulnerability to earthquakes. |
| seismogram | a seismograph record. |
| seismograph | an instrument for recording earthquakes. |
| seismographer | one who uses a seismograph. |
| seismographic | relating to seismography. |
| seismographical | relating to seismography. |
| seismography | measurement by use of the seismograph. |
| seismologic | related to seismology. |
| seismological | related to seismology. |
| seismologically | (Adv.) SEISMOLOGICAL, related to seismology. |
| seismologist | one who studies earthquakes. |
| seismology | the study of earthquakes. |
| seismometer | an instrument for measuring earthquake intensity. |
| seismometric | relating to measurement by seismometer. |
| seismometrical | relating to measurement by seismometer. |
| seismometry | the scientific study of earthquakes. |
| seismonastic | relating to seismonasty, response to mechanical shock. |
| seismoscope | an instrument for detecting earthquakes. |
| seismoscopic | pertaining to a seismoscope, an instrument for detecting earthquakes. |
| temblor | (Spanish) an earthquake or earth tremor. |
| terremotive | related to an earthquake. |
| triangulation | in geology, a method of locating an epicenter by determining how far it lies from three widely separated seismographs. |
| tromometer | an instrument for measuring slight earthquake shocks. |
| tromometric | relating to a tromometer, an instrument for measuring slight earthquake shocks. |
| waterquake | a seismic disturbance affecting the sea. |