正在上课，地震了

Magnitude	4.5
Date-Time	Tuesday, September 25, 2012 at 15:15:09 UTC Tuesday, September 25, 2012 at 08:15:09 AM at epicenter Time of Earthquake in other Time Zones
Location	39.169°N, 123.166°W
Depth	9.9 km (6.2 miles)
Region	NORTHERN CALIFORNIA
Distances	4 km (2 miles) N (357°) from Talmage, CA 4 km (3 miles) ENE (58°) from Ukiah, CA 23 km (14 miles) W (274°) from Upper Lake, CA 162 km (101 miles) WNW (295°) from Sacramento, CA
Location Uncertainty	horizontal +/- 0.2 km (0.1 miles); depth +/- 0.7 km (0.4 miles)
Parameters	Nph= 50, Dmin=12 km, Rmss=0.13 sec, Gp= 32°, M-type=regional moment magnitude (Mw), Version=6
Source	California Integrated Seismic Net: USGS Caltech CGS UCB UCSD UNR
Event ID	nc71847715