USGS: Magnitude 8.7 - Northern Sumatra, Indonesia
Magnitude 8.7 - Northern Sumatra, Indonesia
2005
March 28 16:09:36 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake
Information Center
World Data Center for Seismology,
Denver
A great earthquake occurred at 16:09:36 (UTC)
on Monday, March 28, 2005. The magnitude 8.7 event has been
located in NORTHERN SUMATRA, INDONESIA. (This event has been
reviewed by a seismologist.)
Magnitude
8.7
Date-Time
Monday, March 28, 2005
at 16:09:36 (UTC)
= Coordinated Universal Time
Monday, March 28, 2005 at 11:09:36 PM
= local time
at epicenter
Time of Earthquake in other Time Zones
Location
2.076°N, 97.013°E
Depth
30 km (18.6
miles) set by location program
Region
NORTHERN SUMATRA,
INDONESIA
Distances
205 km (125 miles) WNW of Sibolga,
Sumatra, Indonesia
245 km (155 miles) SW of Medan,
Sumatra, Indonesia
535 km (330 miles) WSW of KUALA
LUMPUR, Malaysia
1410 km (880 miles) NW of JAKARTA, Java,
Indonesia
Location Uncertainty
horizontal +/- 4.8 km
(3.0 miles); depth fixed by location
program
Parameters
Nst=135, Nph=135, Dmin=537.4 km,
Rmss=0.79 sec, Gp= 43°,
M-type=moment magnitude (Mw),
Version=7
Source
USGS NEIC (WDCS-D)