Natural Resources Canada
www.nrcan.gc.ca
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DATE TIME LAT LONG DEPTH MAG AGNCY REGION AND COMMENT
- DATE-TIME
- YYYY/MM/DD HH:MM:SS Given in Coordinated Universal Time (UTC), which is equivalent to Greenwich Mean Time (GMT). Chart to convert to Canadian time zones.
- LAT and LONG
- Geographic latitude and longitude of the epicentre in decimal degrees.
- DEPTH
- Depth of the focus (hypocentre) given in kilometers below sea level. A focal depth assigned by a geophysicist is marked with (g). Depth of either 0 or 1 km is usually assigned to mining-related activity. Freely determined depths are marked with (*)
- MAG
- Earthquake Magnitude Type: ML (local, roughly equivalent to the original Richter magnitude used in California), MN (Nuttli, a type of body wave magnitude), Mw (Moment magnitude). Please note that very small earthquakes can have a negative magnitude.
- REGION and COMMENT
- Epicentral region and general comments.
