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Origin
PublicID |
2019p380530 |
UTC Time |
2019-05-21T19:05:54Z |
Latitude |
-34.62 (± 4.6
km)
|
Longitude |
-179.31 (± 9.0
km)
|
Depth |
12 km (± 0 km) |
Depth Type |
operator assigned |
Earth Model |
iasp91 |
Used Phase Count |
32 |
Used Station Count |
25 |
Standard Error |
1.18 (s) |
Azimuthal Gap |
154.99 (degrees) |
Minimum Distance |
3.51 (degrees) |
Magnitudes
Type |
Magnitude |
Station Count |
Preferred (MLv) |
5.1 (± 0.2) |
|
ML |
5.3 (± 0.3) |
18 |
MLv |
5.1 (± 0.2) |
18 |
M |
5.1 |
18 |
GeoNet combines magnitudes into a summary magnitude, M, which consists of a weighted average of the individual magnitudes and attempts to be a best possible compromise between all magnitudes for a range of earthquake sizes.
Summary magnitude for GeoNet is then defined as:
M = (2 * MLv + (0.4 * number_of stations(Mw(mB)) - 1) * Mw(mB)) / (2 + (0.4 * number_of_stations(Mw(mB)) - 1))
Where MLv is local magnitude calculated on the vertical component and Mw(mB) is a Mw estimation based of mB by Bormann and Saul (2008).