seismometer

[ sahyz-mom-i-ter, sahys- ]

/ saɪzˈmɒm ɪ tər, saɪs- /

a seismograph equipped for measuring the direction, intensity, and duration of earthquakes by measuring the actual movement of the ground.

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First recorded in 1835–45; seismo- + -meter

seis·mo·met·ric

[sahyz-muh-me-trik, sahys-], /ˌsaɪz məˈmɛ trɪk, ˌsaɪs-/, seis·mo·met·ri·cal, adjectiveseis·mom·et·ry, noun

It is a seismometer for the shifting ground of British politics.
The War Over Blair’s Memoir|Peter Hoskin|September 7, 2010|DAILY BEAST
This is the old Cacciatore seismometer which has been long employed in Italy.
The Eruption of Vesuvius in 1872|Luigi Palmieri
In due time they reach, say the Isle of Wight, where they set the pencil of the seismometer at work.
The San Francisco Calamity|Various
Unfortunately this fate was shared by a seismometer that had been set up on the island.
The 'Ayesha' being the adventures of the landing squad of the 'Emden'|Hellmuth von Mcke

Seis′mogram, the record made by a seismometer; Seismog′rapher.
Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)|Various
Seismom′etry, the measuring the phenomena of earthquakes; Seis′moscope, a name of the simpler form of seismometer.
Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)|Various

seismometer

[ sīz-mŏm′ĭ-tər ]

A detecting device that receives seismic impulses. It is the detecting component of a seismograph. See more at seismograph.