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Origin
PublicID |
2015p389742 |
UTC Time |
2015-05-25T04:48:23Z |
Latitude |
-6.43 (± 0.0
km)
|
Longitude |
154.97 (± 0.0
km)
|
Depth |
71 km (± 0 km) |
Depth Type |
free |
Earth Model |
|
Used Phase Count |
0 |
Used Station Count |
0 |
Standard Error |
3.65 (s) |
Azimuthal Gap |
0.00 (degrees) |
Minimum Distance |
0.00 (degrees) |
Magnitudes
Type |
Magnitude |
Station Count |
Preferred (M) |
5.6 |
|
mB |
6.0 (± 0.2) |
12 |
Mw(mB) |
5.6 (± 0.4) |
12 |
M |
5.6 |
12 |
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).