Download Event Information
Origin
PublicID |
2015p658786 |
UTC Time |
2015-09-01T18:01:39Z |
Latitude |
-39.56 (± 35.8
km)
|
Longitude |
174.22 (± 51.9
km)
|
Depth |
42 km (± 50 km) |
Depth Type |
free |
Earth Model |
nz3drx |
Used Phase Count |
14 |
Used Station Count |
14 |
Standard Error |
1.28 (s) |
Azimuthal Gap |
91.79 (degrees) |
Minimum Distance |
0.17 (degrees) |
Magnitudes
Type |
Magnitude |
Station Count |
Preferred (M) |
2.5 |
|
ML |
2.6 (± 0.3) |
10 |
MLv |
2.5 (± 0.2) |
10 |
M |
2.5 |
10 |
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).