The Bureau central sismologique français - Réseau national de surveillance sismique (BCSF-Rénass) is a component of the National Observation Action (ANO) “Seismology” of the National Observation Service (SNO) “Solid Earth”, labelled by the CNRS-INSU

The BCSF-Rénass, located in Strasbourg and managed by the Ecole et Observatoire des Sciences de la Terre (EOST), is in charge of:

- monitoring seismic activity in mainland France and in border areas,

- discriminating between natural and anthropogenic seismicity (of human origin or induced by man: mining activities, explosions, demining, exploitation of the subsoil, notably geothermal energy production, etc.), determining and disseminating the parameters of the seismic sources (location of the hypocenter, time of origin, magnitudes, etc.)

- collecting macroseismic data, evaluating intensities, and producing ShakeMaps,

- centralizing, archiving and disseminating seismological data for research purposes in Earth Sciences (newsletters and catalogs),

- transmitting the source parameters to international seismological centers (European-Mediterranean Seismological Center - EMSC, International Seismological Center - ISC),

- informing the public and the media of the observations made.

BCSF-Rénass

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Maximum communal intensities in mainland France (1921-2021)

Collection

Dataset of maximum communal intensities in mainland France (1921-2021) with its cartographic representation and the related note.

Mainland France

Jan. 1, 1921 - Dec. 31, 2021

Macroseismic intensity

Last updated on June 29, 2026

Dataset of maximum communal intensities in mainland France (1921-2021)

Dataset in collection Maximum communal intensities in mainland France (1921-2021)

Mainland France

Jan. 1, 1921 - Dec. 31, 2021

Macroseismic intensity

Last updated on Dec. 15, 2022

Map of maximum communal intensities in mainland France (1921-2021)

Image in collection Maximum communal intensities in mainland France (1921-2021)

Mainland France

Jan. 1, 1921 - Dec. 31, 2021

Macroseismic intensity

Last updated on Dec. 15, 2022

Note on the dataset and map of the maximum communal intensities in mainland France (1921-2021)

Other in collection Maximum communal intensities in mainland France (1921-2021)

Mainland France

Jan. 1, 1921 - Dec. 31, 2021

Macroseismic intensity

Last updated on Dec. 15, 2022