| PublicID | 2012p591720 |
| UTC Time | 2012-08-06T22:22:58Z |
| Latitude | -25.38 (± 14.3 km) |
| Longitude | -178.22 (± 63.4 km) |
| Depth | 542 km (± 17 km) |
| Depth Type | free |
| Earth Model | iasp91 |
| Used Phase Count | 41 |
| Used Station Count | 23 |
| Standard Error | 1.78 (s) |
| Azimuthal Gap | 334.08 (degrees) |
| Minimum Distance | 3.87 (degrees) |
| Type | Magnitude | Station Count |
| Preferred (M) | 3.4 | |
| mB | 4.3 (± 0.4) | 5 |
| Mw(mB) | 3.4 (± 0.4) | 5 |
| M | 3.4 | 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).
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.
