M 5.5 - 8 km WNW of Popayán, Colombia
- 1983-03-31 13:12:52 (UTC)
- 2.461°N 76.686°W
- 22.2 km depth
ShakeMap
Between 250 and 350 people killed, many injured and extensive damage (VIII) in the Popayan area. Felt from Bogota to Pasto. CENTROID, MOMENT TENSOR SOLUTION HARVARD EVENT-FILE NAME B033183A DATA USED: GDSN L.P. BODY WAVES: 18S, 46C, T=45 CENTROID LOCATION: ORIGIN TIME 13:12:59.8 0.5 LAT 2.45N 0.04;LON 76.81W 0.06 DEP 56.8 4.3;HALF-DURATION 3.0 MOMENT TENSOR; SCALE 10**24 D-CM MRR=0.14 0.14; MTT=2.65 0.17 MFF=-2.78 0.27; MRT=0.89 0.18 MRF=-0.12 0.15; MTF=2.02 0.14 PRINCIPAL AXES: 1.(T) VAL=3.51;PLG=13;AZM=342 2.(N) -0.01; 75; 136 3.(P) -3.50; 6; 251 BEST DOUBLE COUPLE:M0=3.5*10**24 NP1:STRIKE=26;DIP=76;SLIP=175 NP2:Strike=117;Dip=85;Slip=14