Download Event Information
Origin
PublicID |
2014p626406 |
UTC Time |
2014-08-20T18:29:28Z |
Latitude |
-36.60 (± 14.8
km)
|
Longitude |
177.21 (± 5.7
km)
|
Depth |
12 km (± 0 km) |
Depth Type |
operator assigned |
Earth Model |
nz3drx |
Used Phase Count |
18 |
Used Station Count |
13 |
Standard Error |
0.64 (s) |
Azimuthal Gap |
228.87 (degrees) |
Minimum Distance |
1.21 (degrees) |
Magnitudes
Type |
Magnitude |
Station Count |
Preferred (M) |
3.2 |
|
MLv |
3.2 (± 0.1) |
10 |
ML |
3.2 (± 0.2) |
10 |
M |
3.2 |
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).