Download Event Information
Origin
PublicID |
1548911 |
UTC Time |
1966-01-15T10:53:09Z |
Latitude |
-36.17 (± 0.2
km)
|
Longitude |
179.64 (± 0.2
km)
|
Depth |
33 km (± 0 km) |
Depth Type |
operator assigned |
Earth Model |
nz1d |
Used Phase Count |
9 |
Used Station Count |
5 |
Standard Error |
0.80 (s) |
Azimuthal Gap |
326.00 (degrees) |
Minimum Distance |
1.75 (degrees) |
Magnitudes
Type |
Magnitude |
Station Count |
Preferred (ML) |
4.4 (± 0.3) |
|
ML |
4.4 (± 0.3) |
8 |
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).