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experimental

Entry: Seismometer

URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_caf80271

Electromechanical instrument used to detect and record earthquakes or any other ground motion.

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is a Concept | Sensor
changed on 17 Nov 2023 08:31:48.390
submitted byHélène Bressan
accepted on 20 May 2022 09:42:08.384

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date accepted 20 May 2022 09:42:08.384
date submitted 20 May 2022 09:41:38.785
definition
entity Seismometer
source graph graph

description
en Electromechanical instrument used to detect and record earthquakes or any other ground motion.
en A sensor that responds to point ground motions or structural acceleration and usually produces a signal that can be recorded in terms of displacement, velocity, or acceleration of the seismometer mass with respect to the ground on which the seismometer is installed. A seismometer is usually a damped oscillating mass that is connected with a ground-fixed base and frame via a suspension, e.g., a spring (see pendulum with Figure 1). Thus the mass serves as an inertial reference for detecting and measuring seismic ground motion relative to the suspended mass. These relative motions are commonly directly recorded or transformed into an electrical voltage (see transducer), which was traditionally recorded analog on paper, film or magnetic tape. Nowadays, digital recording media are almost exclusively used. The seismometer record can mathematically be converted to a record of the absolute ground motion. For inertial seismometers (sensors), see Chapter 5 and DS 5.1 of this Manual. Another, ...
fr Instrument électromécanique utilisé pour enregistrer les séismes ou tout autre mouvement de sol.
item class Concept | Sensor
label
en Seismometer
fr Sismomètre
modified 17 Nov 2023 08:31:48.390
notation c_caf80271
register mots clefs
status status experimental
submitter
account name h.bressan@brgm.fr
name Hélène Bressan

type register item
version info 7
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Definition

description
en Electromechanical instrument used to detect and record earthquakes or any other ground motion.
en A sensor that responds to point ground motions or structural acceleration and usually produces a signal that can be recorded in terms of displacement, velocity, or acceleration of the seismometer mass with respect to the ground on which the seismometer is installed. A seismometer is usually a damped oscillating mass that is connected with a ground-fixed base and frame via a suspension, e.g., a spring (see pendulum with Figure 1). Thus the mass serves as an inertial reference for detecting and measuring seismic ground motion relative to the suspended mass. These relative motions are commonly directly recorded or transformed into an electrical voltage (see transducer), which was traditionally recorded analog on paper, film or magnetic tape. Nowadays, digital recording media are almost exclusively used. The seismometer record can mathematically be converted to a record of the absolute ground motion. For inertial seismometers (sensors), see Chapter 5 and DS 5.1 of this Manual. Another, ...
fr Instrument électromécanique utilisé pour enregistrer les séismes ou tout autre mouvement de sol.
exact match I0010000
in scheme Vocabulaire des mots clefs
label
en Seismometer
fr Sismomètre
pref label
en Seismometer
fr Sismomètre
same as I0010000
source wats
top concept of Vocabulaire des mots clefs
type Concept | Sensor
was attributed to Pole FormaTerre