seismic

Sometimes seis·mal

[sahyz-mik, sahys-]

adjective

1. pertaining to, of the nature of, or caused by an earthquake or vibration of the earth, whether due to natural or artificial causes.

seismic

/ ˈsaɪzmɪk /

adjective

1. Also (less commonly): seismical. relating to or caused by earthquakes or artificially produced earth tremors

2. of enormous proportions or having highly significant consequences

   seismic social change

seismic

1. Relating to an earthquake or to other tremors of the Earth, such as those caused by large explosions.

Other Word Forms

• seismically adverb
• nonseismic adjective
• unseismal adjective
• unseismic adjective

Word History and Origins

Origin of seismic¹

First recorded in 1855–60; seism + -ic

Example Sentences

Here’s what you need to know about the drill, and how best to prepare for a seismic disaster:

Read more on Los Angeles Times

It’s been known for that, but I believe that there’s a whole seismic shift going on.

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Although not everyone agrees that supershear earthquakes are inherently more destructive than other types, the potential implications are massive and need to be accounted for in seismic forecasts, the scientists contend.

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Most residents of the state are accustomed to the idea of earthquakes, but scientists say a particularly dangerous type has been largely ignored: "supershear" earthquakes that move so quickly they overtake their own seismic waves.

Read more on Science Daily

Earthquakes are a near-daily occurrence in the Philippines, which is situated on the Pacific "Ring of Fire", an arc of intense seismic activity stretching from Japan through Southeast Asia and across the Pacific basin.

Read more on Barron's

Related Words

• tectonic