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Map of the Great Glen Fault and other late Caledonian strike-slip faults in Scotland and northwestern Ireland. The Great Glen Fault is a strike-slip fault that runs through the Great Glen in Scotland. Occasional moderate tremors have been recorded over the past 150 years.
The two mantle domains tightly bracket the fault. The lamprophyre magmas were generated at depths of at least 100 km. At the end of the Caledonian Orogeny the Great Glen Fault was a major vertical discontinuity that transected the sub-continental lithospheric mantle.
This map shows only those earthquakes with epicenters located within the boundaries of Ohio, even though earthquakes in nearby states or countries may have been felt or may have caused damage in Ohio.
- C. W. Stover, B. G. Reagor, S. T. Algermissen
- 1987
- 10.3133/mf1975
- Seismicity map of the state of Ohio
The Ohio Department of Natural Resources Division of Geological Survey provides an interactive map of earthquake epicenters and magnitudes for past earthquakes in Ohio. For each earthquake, users can click on the symbol to find out specific information and access a full earthquake report.
In the middle of the 19th century, geologists identified the Great Glen as the location of an ancient fault line, detailing a normal sense of displacement of at least 1000 m of downthrow on its SE side (as reported by Kennedy 1946).
Sep 13, 2024 · A popular conceptual tectonic model envisages the Great Glen Fault to be part of a sinistral strike-slip system active during the mid-Silurian to early Devonian with c. 700 km of displacement.
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Aug 12, 2024 · A popular conceptual tectonic model envisages the Great Glen Fault to be part of a sinistral strike-slip system active during the mid-Silurian through early Devonian with c. 700 km of displacement.
