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CISN Testing Center ShakeAlert Performance Summaries

CISN Testing Center ShakeAlert Performance Summaries Event Summaries for M4.0+ California ShakeMap Events (23 Feb 2013 - 1 Oct 2012). M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013). 4.3 75.1 km (46.7 mi) SW of San Ysidro , CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258

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CISN Testing Center ShakeAlert Performance Summaries

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  1. CISN Testing Center ShakeAlert Performance Summaries Event Summaries for M4.0+ California ShakeMap Events (23 Feb 2013 - 1 Oct 2012)

  2. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  3. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  4. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  5. No CTC Event Summary because event is outside ShakeAlert Testing Region

  6. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  7. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  8. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  9. No CTC Event Summary because event is outside the ShakeAlert Testing Region. This ShakeMap location has been relocated and the ANSS epicenter is further offshore.

  10. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  11. No CTC Event Summary because event is outside ShakeAlert Testing Region

  12. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  13. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  14. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  15. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  16. M4+ ShakeMap Events (1 Oct 2012 – 23 Feb 2013) 4.3 75.1 km (46.7 mi) SW of San Ysidro, CA32.0937, -117.631, 33km Feb 23 2013 04:40:15 UTC 11248258 4.0 21.3 km (13.3 mi) SE of Markleeville, CA38.5598, -119.616, 7km Jan 24 2013 23:25:51 UTC 71928201 4.0 115.2 km (71.6 mi) W of Petrolia, CA40.4415, -125.636, 18km Jan 24 2013 11:22:57 UTC 71927951 4.0 87.6 km (54.5 mi) W of Petrolia, CA40.3875, -125.316, 16km Jan 13 2013 10:28:18 UTC 71920936 4.0 18.9 km (11.8 mi) SSW of Ocotillo Wells, CA32.999, -116.24, 4km Dec 22 2012 21:37:45 UTC 15267105 4.1 20.4 km (12.7 mi) SSE of Pt. Fermin San Pedro, CA33.5283, -118.236, 19km Dec 14 2012 10:50:53 UTC 15263761 6.1 OFF THE COAST OF CALIFORNIA32.4135, -119.372, 11km Dec 14 2012 10:36:18 UTC 15263753 4.0 8.3 km (5.2 mi) NW of Pinnacles, CA36.592, -121.199, 9km Oct 29 2012 04:25:16 UTC 71870540 5.3 20.2 km (12.6 mi) SW of New Idria, CA36.3097, -120.856, 9km Oct 21 2012 06:55:10 UTC 71863625 4.0 60.5 km (37.6 mi) SSE of Calexico, CA32.18, -115.21, 10km Oct 19 2012 02:51:56 UTC 15232441 4.2 22.2 km (13.8 mi) SW of Ocotillo Wells, CA33.0123, -116.312, 11km Oct 08 2012 00:39:08 UTC 15226257 4.1 16.1 km (10.0 mi) WNW of Ocotillo, CA32.8047, -116.144, 10km Oct 02 2012 08:28:15 UTC 15223417

  17. The ”target region" for ShakeAlerts is considered all of California. This is the region for which we want to issue ShakeAlerts. We want to evaluate the ShakeAlert system performance for all events that might generate hazard-level shaking in the target area evaluate ShakeAlert performance for any events that might cause significant shaking in the target area. We define the ShakeAlert "testing region” (black polygon in figure below) as the catalog region we use to select events from the ANSS catalog. The “testing region” is about 100km in each direction larger than the target region to include events that affect the target region with epicenters outside the “target region” This is the reason why the testing area is larger than California. ShakeAlert Testing Region Polygon Coordinates 43.0, -125.2 43.0, -119.0 39.4, -119.0 35.7, -114.0 34.3, -113.1 32.9, -113.5 32.2, -113.6 31.7, -114.5 31.5, -117.1 31.9, -117.9 32.8, -118.4 33.7, -121.0 34.2, -121.6 37.7, -123.8 40.2, -125.4 40.5, -125.4 43.0, -125.2

  18. ShakeAlert Cumulative Performance Summaries for (1 Sept 2011 - 25 Feb 2013) using ANSS catalog events in the RELM California Testing region for M3.5 and larger events with network codes CI or NC

  19. End

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