Earthquake rban: 11/20/2004 08:07:21 GMT, M=6.4, N9.58 W84.23, 16km depth, Bias: pga=0.14 pgv=0.31 

Seismic Stations
19564: Santa Catarina Pinula, Guatemala (CIIM)
     Coordinates: N14.57 W90.50 Dist: 878.0 km 
     UNK 1.4405 cm/s  1.7957 %g
38667: Bajo Boquete, Panama (CIIM)
     Coordinates: N8.77 W82.42 Dist: 218.0 km 
     UNK 2.0072 cm/s  2.4595 %g
9571: Alajuela, Costa Rica (CIIM)
     Coordinates: N10.02 W84.23 Dist: 48.5 km 
     UNK 5.0822 cm/s  5.9341 %g
9577: Atenas, Costa Rica (CIIM)
     Coordinates: N9.99 W84.39 Dist: 48.6 km 
     UNK 3.6472 cm/s  4.3326 %g
9594: Cartago, Costa Rica (CIIM)
     Coordinates: N9.87 W83.93 Dist: 45.7 km 
     UNK 8.6417 cm/s  9.8161 %g
9598: Colon, Costa Rica (CIIM)
     Coordinates: N9.92 W84.25 Dist: 37.6 km 
     UNK 6.2016 cm/s  7.1668 %g
9604: Curridabat, Costa Rica (CIIM)
     Coordinates: N9.92 W84.03 Dist: 43.3 km 
     UNK 4.4506 cm/s  5.2326 %g
9607: Desamparados, Costa Rica (CIIM)
     Coordinates: N9.90 W84.12 Dist: 37.2 km 
     UNK 3.6472 cm/s  4.3326 %g
9614: Escazu, Costa Rica (CIIM)
     Coordinates: N9.92 W84.15 Dist: 38.5 km 
     UNK 9.2346 cm/s  10.4535 %g
9632: Heredia, Costa Rica (CIIM)
     Coordinates: N10.00 W84.12 Dist: 47.8 km 
     UNK 10.5452 cm/s  11.8551 %g
9658: Naranjo, Costa Rica (CIIM)
     Coordinates: N10.10 W84.39 Dist: 60.1 km 
     UNK 8.0869 cm/s  9.2175 %g
9681: Puntarenas, Costa Rica (CIIM)
     Coordinates: N9.98 W84.84 Dist: 80.3 km 
     UNK 4.7559 cm/s  5.5723 %g
9683: Quepos, Costa Rica (CIIM)
     Coordinates: N9.45 W84.15 Dist: 16.8 km 
     UNK 24.9859 cm/s  26.8594 %g
9690: Sabanilla, Costa Rica (CIIM)
     Coordinates: N9.95 W84.03 Dist: 46.2 km 
     UNK 6.2016 cm/s  7.1668 %g
9712: San Jose, Costa Rica (CIIM)
     Coordinates: N9.93 W84.08 Dist: 41.9 km 
     UNK 10.5452 cm/s  11.8551 %g
9733: San Pedro, Costa Rica (CIIM)
     Coordinates: N9.93 W84.05 Dist: 43.3 km 
     UNK 0.4083 cm/s (T)  0.5434 %g (T)
9749: Santa Ana, Costa Rica (CIIM)
     Coordinates: N9.94 W84.18 Dist: 40.0 km 
     UNK 20.4757 cm/s  22.2397 %g
9770: Tilaran, Costa Rica (CIIM)
     Coordinates: N10.47 W84.97 Dist: 127.6 km 
     UNK 2.2921 cm/s  2.7893 %g
9773: Tres Rios, Costa Rica (CIIM)
     Coordinates: N9.90 W83.99 Dist: 43.9 km 
     UNK 3.4130 cm/s  4.0684 %g
9776: Turrialba, Costa Rica (CIIM)
     Coordinates: N9.91 W83.69 Dist: 69.3 km 
     UNK 2.6174 cm/s  3.1633 %g

Explanation of Flags
M - Manually flagged
T - Outlier
G - Amplitude off scale or below noise
I - Incomplete data
N - Not in list of known stations