Table 1. Real-Time W phase solutions obtained for the 2011 Tohoku Earthquake. The real-time instances of the W phase algorithm are running with a fixed depth, specified for each solution in the table.
From: Real-time W phase inversion during the 2011 off the Pacific coast of Tohoku Earthquake
Delay | Origin | M w | Strike/Dip/Rake, deg | Depth, km | # chan. | Mech. |
|---|---|---|---|---|---|---|
20 min | USGS automatic trigger (internal) | 9.0 | 222.7/16.8/134.6 | 24.4 | 6 |
|
22 min | PTWC automatic trigger 1 | 8.8 | 165.4/10.3/55.3 | 83.5 | 29 |
|
30 min | PTWC automatic trigger 2 | 8.8 | 194.3/22.8/81.3 | 83.5 | 74 |
|
40 min | PTWC manual trigger | 9.0 | 190.6/11.1/76.7 | 24.4 | 105 |
|
45 min | IPGS automatic trigger 1 | 9.0 | 199.6/10.8/93.5 | 24.4 | 31 |
|
48 min | USGS automatic trigger (internal) | 8.9 | 204.4/14.8/104.3 | 24.4 | 74 |
|
1 h 02 min | USGS Published | 8.9 | 162.0/16.9/45.1 | 24.4 | 89 |
|
1 h 30 min | IPGS automatic trigger 2 | 9.0 | 196.3/14.4/85.1 | 24.4 | 146 |
|
