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experimental

Entry: Aftershock

URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_c593958a

Earthquake that follows a largest earthquake (referred to as the mainshock) in a sequence of earthquakes occurring in the same area. Aftershocks are generally smaller than the mainshock, and may be observed over a period of weeks, months, or years depending of the mainshock magnitude.

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is a feature of interest | Concept
changed on 17 Nov 2023 08:31:48.639
submitted byHélène Bressan
accepted on 20 May 2022 09:42:08.383

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date accepted 20 May 2022 09:42:08.383
date submitted 20 May 2022 09:41:38.813
definition
entity Aftershock
source graph graph

description
en Earthquake that follows a largest earthquake (referred to as the mainshock) in a sequence of earthquakes occurring in the same area. Aftershocks are generally smaller than the mainshock, and may be observed over a period of weeks, months, or years depending of the mainshock magnitude.
en An earthquake occurring as a consequence of a larger earthquake (referred to as the mainshock) at roughly the same location. Aftershocks are smaller than the mainshock and within 1-2 fault lengths distance from the mainshock fault. The sequence of such earthquakes following a larger one generally shows a regular decrease in the rate of occurrence, first discovered by Omori (1894), indicating a stress relaxation and redistribution process as the rocks accommodate to their new post-earthquake state. Aftershocks can continue over a period of weeks, months, or years, decreasing in frequency with time. In general, the larger the mainshock, the larger and more numerous the aftershocks, and the longer they will continue.
fr Séisme ayant lieu après un séisme de plus forte magnitude (appelé choc principal) dans une séquence de séismes se produisant dans la même région. Les répliques sont généralement plus petites que le choc principal et peuvent être observées sur une période de plusieurs semaines, mois ou années, selon la magnitude du choc principal.
item class Concept | feature of interest
label
en Aftershock
fr Réplique
modified 17 Nov 2023 08:31:48.639
notation c_c593958a
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 Earthquake that follows a largest earthquake (referred to as the mainshock) in a sequence of earthquakes occurring in the same area. Aftershocks are generally smaller than the mainshock, and may be observed over a period of weeks, months, or years depending of the mainshock magnitude.
en An earthquake occurring as a consequence of a larger earthquake (referred to as the mainshock) at roughly the same location. Aftershocks are smaller than the mainshock and within 1-2 fault lengths distance from the mainshock fault. The sequence of such earthquakes following a larger one generally shows a regular decrease in the rate of occurrence, first discovered by Omori (1894), indicating a stress relaxation and redistribution process as the rocks accommodate to their new post-earthquake state. Aftershocks can continue over a period of weeks, months, or years, decreasing in frequency with time. In general, the larger the mainshock, the larger and more numerous the aftershocks, and the longer they will continue.
fr Séisme ayant lieu après un séisme de plus forte magnitude (appelé choc principal) dans une séquence de séismes se produisant dans la même région. Les répliques sont généralement plus petites que le choc principal et peuvent être observées sur une période de plusieurs semaines, mois ou années, selon la magnitude du choc principal.
exact match c 20b1dd6a
in scheme Vocabulaire des mots clefs
label
en Aftershock
fr Réplique
pref label
en Aftershock
fr Réplique
same as c 20b1dd6a
source wats
top concept of Vocabulaire des mots clefs
type feature of interest | Concept
was attributed to Pôle FormaTerre