5.6 Mw - SANTA CRUZ ISLANDS REGION

Preliminary Earthquake Report
Magnitude 5.6 Mw
Date-Time
7 Aug 2011 06:22:35 UTC
7 Aug 2011 17:22:35 near epicenter
7 Aug 2011 16:22:35 standard time in your timezone
Location 11.795S 168.385E
Depth 411 km
Distances
437 km (272 miles) NNE (18 degrees) of Santo (Luganville), Vanuatu
662 km (412 miles) N (1 degrees) of PORT-VILA, Vanuatu
2329 km (1447 miles) E (98 degrees) of PORT MORESBY, Papua New Guinea
Location Uncertainty Horizontal: 14.1 km; Vertical 6.3 km
Parameters Nph = 397; Dmin = 959.6 km; Rmss = 0.91 seconds; Gp = 21°
M-type = Mw; Version = 6
Event ID US c0005a1t


David Cottle

UBB Owner & Administrator