PublicID | 2018p971535 |
UTC Time | 2018-12-26T11:13:55Z |
Latitude | -46.39 (± 6.0 km) |
Longitude | 165.47 (± 7.0 km) |
Depth | 33 km (± 0 km) |
Depth Type | operator assigned |
Earth Model | tab |
Used Phase Count | 23 |
Used Station Count | 13 |
Standard Error | 1.09 (s) |
Azimuthal Gap | 300.90 (degrees) |
Minimum Distance | 0.87 (degrees) |
Type | Magnitude | Station Count |
Preferred (ML) | 3.5 (± 0.3) | |
MLv | 3.1 | 1 |
ML | 3.5 (± 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).
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.