Preliminary Earthquake Report
Magnitude 4.6 SOUTH SHETLAND ISLANDS
Thursday, October 22, 2009 at 22:38:56 UTC
| Magnitude | 4.6 |
|---|---|
| Date-Time |
Time of Earthquake in other Time Zones |
| Location | 61.69S 55.50W |
| Depth | 38 kilometers |
| Region | SOUTH SHETLAND ISLANDS |
| Distances |
470 km (295 miles) WSW of Coronation Island, South Orkney Islands 550 km (340 miles) NE of Palmer Station, Antarctica 1065 km (670 miles) SE of Ushuaia, Argentina 3030 km (1880 miles) S of BUENOS AIRES, Argentina |
| Location Uncertainty | Error estimate: horizontal +/- 17.9 km; depth +/- 19.8 km |
| Parameters | Nst=37, Nph=37, Dmin=548.9 km, Rmss=1.29 sec, Erho=17.9 km, Erzz=19.8 km, Gp=81.9 degrees |
| Source | USGS NEIC (WDCS-D) |
| Event ID | usnbft |

