Interesting that it seems to have been working up to this since yesterday.
2.8 2005/01/06 06:37:01 34.098N 117.445W 5.7 1 km ( 1 mi) SW of Fontana, CA
4.4 2005/01/06 06:35:26 34.136N 117.431W 0.0 3 km ( 2 mi) N of Fontana, CA
3.3 2005/01/06 06:22:38 34.122N 117.433W 2.8 2 km ( 1 mi) N of Fontana, CA
2.5 2005/01/06 04:32:45 34.126N 117.441W 2.2 2 km ( 1 mi) NNW of Fontana, CA
3.6 2005/01/06 04:11:29 34.128N 117.429W 3.0 2 km ( 2 mi) NNE of Fontana, CA
2.5 2005/01/06 04:11:13 34.130N 117.439W 2.1 3 km ( 2 mi) N of Fontana, CA
1.6 2005/01/05 06:26:11 34.104N 117.442W 5.1 1 km ( 0 mi) WSW of Fontana, CA
1.6 2005/01/05 06:12:15 34.106N 117.438W 5.3 0 km ( 0 mi) W of Fontana, CA