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seismic foci vs active seismic foci

Both phrases are correct, but they are used in slightly different contexts. 'Seismic foci' refers to the points within the Earth where an earthquake originates, while 'active seismic foci' specifies that these points are currently active or producing seismic activity.

Last updated: March 19, 2024 • 860 views

seismic foci

This phrase is correct and commonly used in geology to refer to the points within the Earth where an earthquake originates.

This phrase is used in geology to describe the points within the Earth's crust where an earthquake originates.

Examples:

Scientists are studying the seismic foci to better understand earthquake patterns.
The distribution of seismic foci can help identify fault lines in the Earth's crust.

Show examples from the web [+]

Distribution of Seismic Foci in the Mediterranean and Surrounding Area and its Tectonic Implication. B. C. Papazachos. + Author Affiliations. National ...
For both categories of study the fundamental symptoms of nonlinear processes in seismic foci were found and demonstrated. Namely, the wave-field modulation ...
Influence of Nonlinear Processes in Seismic Foci on Released. Energy. V. AKSENOV1 and T. LOKAJICˇ EK2. Abstract—The results of the frequency analysis of ...
Acta Geodyn. Geomater., Vol. 10, No. 2 (170), 147–153, 2013. DOI: 10.13168/ AGG.2013.0014. REGISTRATIONS OF SEISMIC FOCI UNDER MINING COAL ...

Alternatives:

earthquake epicenters
seismic centers
quake origins
earthquake origins
seismic sources

active seismic foci

This phrase is correct and specifies that the seismic foci are currently active or producing seismic activity.

This phrase is used when referring to the points within the Earth's crust where earthquakes are currently originating or occurring.

Examples:

The monitoring station detected movement at the active seismic foci.
The region is seismically active, with multiple active seismic foci.

Show examples from the web [+]

manifested around a few places. At Sighet have been highlighted some frequently active seismic foci [18]. In 1876 three events occurred with a felt intensity of.
one of the most active seismic foci in the Pacific plate. the presence of a fossil fracture zone 70 km to the south, combined with the absence of the. Roggeveen ...
remarked the following active seismic foci: Timişoara, Vinga, Pârdani and Moldova Veche (in Banat),. Târgu Jiu (in Oltenia), North Bazna (in Transylvania), ...

Alternatives:

currently active earthquake origins
seismically active centers
active quake origins
active earthquake epicenters
active seismic sources

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