PublicID | 2024p141952 |
UTC Time | 2024-02-22T12:30:29Z |
Latitude | -29.63 (± 13.2 km) |
Longitude | -177.57 (± 31.5 km) |
Depth | 251 km (± 11 km) |
Depth Type | free |
Earth Model | iasp91 |
Used Phase Count | 14 |
Used Station Count | 9 |
Standard Error | 0.78 (s) |
Azimuthal Gap | 242.58 (degrees) |
Minimum Distance | 0.48 (degrees) |
Type | Magnitude | Station Count |
Preferred (mB) | 4.1 (± 0.3) | |
mB | 4.1 (± 0.3) | 5 |
Mw(mB) | 3.2 (± 0.4) | 1 |
MLv | 2.8 | 1 |
M | 2.8 | 1 |
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).
Map showing stations with picks used to locate the earthquake. Stations with picks that have a zero weight in the solution are shown as small grey circles. Those with a higher weight are shown as larger circles. The quake is shown by the largest circle.