Activity for the period August 29 - September 4, 2005:

Updated at 9:00 AM (PDT) on Monday, August 29, 2005:

The realtime computer system detected and located five small earthquakes in the Long Valley caldera region since the last update at 11:00 AM on the 28th. All of the events were located in the Sierra Nevada south of the caldera and were of magnitude M<2.0.

Updated at 8:00 AM (PDT) on Tuesday, August 30, 2005:

The realtime computer system detected and located four small earthquakes in the Long Valley caldera region since the last update at 9:00 AM on the 29th. Two events, a magnitude M=2.6 and M=2.1, were located on the north flank of Mammoth Mountain. The third and forth events were located in the south moat of the caldera (M=0.8) and in the Sierra Nevada near Pioneer Basin (M=1.7), respectively.

Elsewhere in the region, a M=2.2 earthquake was detected east of Mono Lake, approximately 37 km (23 miles) from Lee Vining.

Updated at 9:00 AM (PDT) on Wednesday, August 31, 2005:

The realtime computer system detected and located three small earthquakes in the Long Valley caldera region since the last update at 8:00 AM on the 30th. All of the events were located in the Sierra Nevada south of the caldera and had magnitudes of M<2.0.

Updated at 9:00 AM (PDT) on Thursday, September 1, 2005:

The realtime computer system detected and located four small earthquakes in the Long Valley caldera region since the last update at 9:00 AM on the 31st. All of the events were located in the Sierra Nevada south of the caldera. The largest had a magnitude of M=2.2.

Updated at 9:00 AM (PDT) on Friday, September 2, 2005:

The realtime computer system detected and located two small earthquakes in the Long Valley caldera region since the last update at 9:00 AM on the 1st. Both of the events were located in the Sierra Nevada south of the caldera and had magnitudes of M<2.0.

Updated at 12:00 PM (PDT) on Saturday, September 3, 2005:

The realtime computer system detected and located two small earthquakes in the Long Valley caldera region since the last update at 9:00 AM on the 2nd. Both of the events were located in the Sierra Nevada south of the caldera and had magnitudes of M=2.3 and M=1.3.

Updated at 12:00 PM (PDT) on Sunday, September 4, 2005:

The realtime computer system detected and located two small earthquakes in the Long Valley caldera region since the last update at 12:00 PM on the 3rd. Both of the events were located in the Sierra Nevada south of the caldera and had magnitudes of M=1.5 and M=1.8.