Shandal Geological Field Survey System · geologicalfieldsurvey.com
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Epicentres, plate boundaries and search radius
Circle size scales with magnitude; colour shows depth: red < 35 km, orange 35–70, green 70–300, blue > 300.
Statistical seismic hazard for any site
The USGS catalogue around the site is fitted with the Gutenberg–Richter law to give annual rates, return periods and the chance of exceedance during the design life.
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Frequency–magnitude distribution
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Magnitude through time
Rates, return periods and exceedance
Largest events
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