++++++++++++++++++++++++++++++++++++++++++++++++++
     +                                                +
     +   Sierra Madre events used for the migration   +
     +                                                +
     ++++++++++++++++++++++++++++++++++++++++++++++++++

 Origin date & time   CUSPID   Mag  Depth (m)   Lat     Lon

91/06/28 14:54:31.3   151500   2.3    9100     34.24  -118.02
91/06/28 14:43:54.7  2021449   5.8    9100     34.27  -117.99  <--- Main shock
91/06/28 14:59:32.6  2021451   3.4    9100     34.25  -118.04
91/06/28 15:04:01.6  2021452   2.3   10500     34.25  -118.03
91/06/28 15:06:44.8  2021453   2.1   10800     34.25  -118.04
91/06/28 16:58:45.9  2021472   3.4    9800     34.26  -117.99
91/06/28 17:00:55.6  2021473   4.3    9500     34.25  -117.99
91/06/28 17:11:18.4  2021474   2.4   11400     34.24  -118.02
91/06/28 17:55:55.4  2021475   2.5   14100     34.26  -118.05
91/06/28 18:52:58.2  2021479   3.2   11100     34.25  -118.01
91/06/30 02:14:47.2  2021591   2.3   12000     34.24  -118.03
91/07/06 22:54:39.0  2022072   3.8   10300     34.24  -118.01
91/08/14 21:50:25.6  2026766   3.2    9800     34.25  -117.95
91/08/29 19:55:00.7  2027917   2.5   12800     34.25  -117.98
91/10/13 19:46:46.1  2031646   2.7    9300     34.27  -117.95
91/12/01 03:30:12.1  2035750   2.6   11400     34.19  -118.07
92/11/22 10:57:10.0  3079141   2.3   12400     34.11  -117.94
93/05/16 13:18:57.6  3104959   2.2    8300     34.26  -117.99