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Magnitude: Measuring Earthquake Energy and Scales

Magnitude: Measuring Earthquake Energy and Scales

by Gelogia Team | Jun 21, 2025 | Physical Geology & Geomorphology, Structural Geology

Magnitude is a measurement of the energy released by an earthquake. Earthquake magnitude scales in general do not directly represent any physical parameters of the source. Magnitude scales can be used to represent the relative size of earthquakes. Why Are Magnitude...
Seismographs: The Tool for Measuring Earthquakes

Seismographs: The Tool for Measuring Earthquakes

by Gelogia Team | Jun 20, 2025 | Physical Geology & Geomorphology

A seismograph is an essential device used by scientists to measure and record earthquakes. By understanding how seismographs work, we can better interpret seismic activity and improve earthquake preparedness. How Does a Seismograph Work? A seismograph is the device...
General Features of Continental Rifts

General Features of Continental Rifts

by Gelogia Team | Jun 19, 2025 | Physical Geology & Geomorphology, Structural Geology

Continental rifts are geological zones where the Earth’s crust is stretched and broken, forming deep fault-bounded valleys. These structures play a key role in understanding plate tectonics, continental breakup, and the formation of new ocean basins. This...
Application of Seismic Refraction Measurements in Groundwater

Application of Seismic Refraction Measurements in Groundwater

by Gelogia Team | Jun 17, 2025 | Hydrology, Physical Geology & Geomorphology

Application of Seismic Refraction Measurements in Groundwater: Mapping of Buried Channels using Seismic Refraction: The most common use of the seismic method in hydrogeology is the determination of the thickness of sediments overlying non-water-bearing consolidated...
Water Waves: Motion, Types, and Surf Zone Dynamics

Water Waves: Motion, Types, and Surf Zone Dynamics

by Gelogia Team | Jun 15, 2025 | Hydrology, Physical Geology & Geomorphology

 The energy that moves sand along a beach comes from the wind-driven water waves that break upon the shore. As wind blows over the surface of an ocean or a lake, some of the wind‘s energy is transferred to the water surface, forming the waves that move through the...
Ophiolites: Units, Composition, Emplacement and Formation

Ophiolites: Units, Composition, Emplacement and Formation

by Gelogia Team | Jun 12, 2025 | Physical Geology & Geomorphology

Ophiolites: Ophiolites are tectonically emplaced successions of mafic and ultramafic rocks that are considered to represent fragments of oceanic or back-arc basin crust (Coleman, 1977; Moores, 1982). Units of Ophiolites: An ideal ophiolite includes from bottom to top...
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