A major magnitude 7.0 earthquake occurred in Northern Peru this afternoon. At a depth of 145 km it shows minimal surface phases and because it is south of my location in northeastern Ohio the transverse S-phase arrival is strong.
The travel time information from the USGS Travel Time calculator is shown below:
DATE-(UTC)-TIME LAT LON DEPTH MAG Q COMMENTS 2011/08/24 17:46:11 7.64S 74.51W 145.1 7.0 US: NORTHERN PERU Expected 1s period body wave amplitude [ 3.06E+00 µm] [ 1.92E+01 µm/s] delta azimuth (degrees clockwise from north) (deg) eq-to-station station-to-eq 48.44 352.5 170.2 travel arrival time # code time(s) dy hr mn sec 1 P 507.44 0 17 54 38 2 pP 540.38 0 17 55 11 3 sP 556.85 0 17 55 27 4 PcP 591.27 0 17 56 2 5 PP 621.51 0 17 56 32 6 PP 624.66 0 17 56 35 7 ScP 812.11 0 17 59 43 8 PcS 827.54 0 17 59 58 9 S 917.67 0 18 1 28 10 sS 975.47 0 18 2 26 11 PKiKP 1000.78 0 18 2 51 12 pPKiKP 1039.54 0 18 3 30 13 sPKiKP 1054.61 0 18 3 45 14 ScS 1084.90 0 18 4 15 15 SS 1130.91 0 18 5 1 16 SS 1142.47 0 18 5 13 17 SKiKP 1199.19 0 18 6 10 18 PKKPdf 1871.17 0 18 17 22 19 SKKPdf 2069.62 0 18 20 40 20 PKKSdf 2084.70 0 18 20 55 21 SKKSdf 2283.03 0 18 24 14 22 P'P'df 2374.35 0 18 25 45 23 P'P'ab 2425.45 0 18 26 36 24 S'S'df 3215.45 0 18 39 46 25 LQ 1229.43 0 18 6 40 26 LR 1364.50 0 18 8 55