Download Event Information
Origin
PublicID |
2024p706891 |
UTC Time |
2024-09-18T13:10:38Z |
Latitude |
-32.67 (± 31.7
km)
|
Longitude |
179.56 (± 49.8
km)
|
Depth |
381 km (± 50 km) |
Depth Type |
free |
Earth Model |
iasp91 |
Used Phase Count |
15 |
Used Station Count |
10 |
Standard Error |
0.65 (s) |
Azimuthal Gap |
349.38 (degrees) |
Minimum Distance |
4.99 (degrees) |
Magnitudes
Type |
Magnitude |
Station Count |
Preferred (Mw(mB)) |
3.7 (± 0.4) |
|
mB |
4.5 (± 0.3) |
2 |
Mw(mB) |
3.7 (± 0.4) |
2 |
MLv |
4.4 (± 0.3) |
5 |
M |
4.4 |
5 |
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).