Hi Chris,

I did say 15.9 miles because:

Magnitude 1.9 - duration magnitude (Md)
Time Friday, May 9, 2003 at 6:07:56 PM (PDT)
Saturday, May 10, 2003 at 1:07:56 (UTC)
Distance from Willows, CA - 15 km (10 miles) E (79 degrees)
Hamilton City, CA - 21 km (13 miles) S (181 degrees)
Durham, CA - 22 km (13 miles) WSW (241 degrees)
Chico, CA - 25 km (16 miles) SW (218 degrees)

Coordinates 39 deg. 33.1 min. N (39.552N), 122 deg. 1.1 min. W (122.018W)
Depth 25.6 km (15.9 miles)
Location Quality Fair
Location Quality Parameters Nst= 13, Nph= 13, Dmin=34 km, Rmss=0.05 sec, Erho=1.1 km, Erzz=1.9 km, Gp=172.8 degrees
Event ID# nc51127947