Activity for the period December 19-25, 2005:

Updated at 9:00 AM on Monday, December 19, 2005:

The realtime computer system detected four earthquakes in the Long Valley Caldera area since the last update on December 18. All of the events were located outside the caldera in the Sierra Nevada W-SW of Toms Place. The largest of the four was a magnitude M=2.2.

Updated at 9:00 AM on Tuesday, December 20, 2005:

The realtime computer system detected two earthquakes in the Long Valley Caldera area since the last update on December 19. One of the events was located inside the caldera below the resurgent dome ~10 km (6 miles) E-NE of Mammoth Lakes. The other event was located south of the caldera near the Owens River Gorge ~ 3 km (2 miles) N of Toms Place. Both events were below magnitude 2.0.

Updated at 10:00 AM on Wednesday, December 21, 2005:

The realtime computer system detected one magnitude M=1.9 earthquake in the Long Valley Caldera area since the last update on December 20. The event was located south of the caldera in the Sierra Nevada W-SW of Toms Place.

Updated at 2:00 PM on Thursday, December 22, 2005:

The realtime computer system detected four earthquakes in the Long Valley Caldera area since the last update on December 21. One event was located inside the caldera in the south moat. The other three were located in the Sierra Nevada to the southwest of Toms Place. All four events were below 2.0 in magnitude.

Updated at 11:00 AM on Friday, December 23, 2005:

The realtime computer system detected three earthquakes in the Long Valley Caldera area since the last update on December 22. One event was located inside the caldera in the south moat. Another was located in the Sierra Nevada to the southwest of Toms Place. The third was located in Round Valley. All three events were below 2.0 in magnitude.

No updates available for Dec 24-25, 2005