Early-est:     Northern Colombia    2025.01.30-05:03:43.98    q:B      mb:4.7    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1738213425598.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1738213425598.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1738213425598.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1738213425598.mech.fmamp_amp_mwp.thumb.jpg

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details:
Magnitude: mb: 4.7 [18]    Mwp: 4.5X [1]    Mwpd: - [0]
Region: Northern Colombia
Origin Time: 2025.01.30-05:03:43.98 UTC
Hypocenter: lat: 6.77°  lon: -73.09°  [+/-16km]    depth: 149km  [+/-17km]
Location Quality: qualityCode:  B     stdErr: 1.1s   assocPhases: 58   usedPhases: 26
minDist: 0.9°   maxDist: 150.3°   AzGap: 99°   2ndAzGap: 119°   atten: -1.53 [+/-0.26]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 16km   azMaxHorUnc: 55°
68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 231°   majorAxisPlunge: 28°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 121°   intermediateAxisPlunge: 33°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.0 [14]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.1s [11]
Closest plate boundaries:
   North Andes - South America [continental convergent boundary]: distance: ~120km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       149km
       149km
       149km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1738213425598.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 22°   dip: 35°   rake: 162°
Nodal Plane 2: strike: 126°   dip: 80°   rake: 56°
Quality: azimuthalGap: -1°   stationPolarityCount: 25   misfitWeightCount: 9.1   misfit: 0.20   stationDistributionRatio: 0.57   meanDistP: 41.4   meanDistT: 28.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1738213425598.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 36°   dip: 31°   rake: -137°
Nodal Plane 2: strike: 267°   dip: 70°   rake: -66°
Quality: azimuthalGap: 92°   stationPolarityCount: 25   misfit: 0.43   stationDistributionRatio: 0.83   rmsAngDiffAccPref: 45.52   fracAcc30degPref: 0.42   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1738213425598.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: nan°
Nodal Plane 2: strike: nan°   dip: nan°   rake: nan°
Quality: azimuthalGap: -1°   stationPolarityCount: 0   misfitWeightCount: -1.0   misfit: -1.00   stationDistributionRatio: -1.00   meanDistP: -1.0   meanDistT: -1.0   qualityCode: X
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_aref
./hypo.1738213425598.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: nan°
Nodal Plane 2: strike: nan°   dip: nan°   rake: nan°
Quality: azimuthalGap: -1°   stationPolarityCount: 0   misfitWeightCount: -1.0   misfit: -1.00   stationDistributionRatio: -1.00   meanDistP: -1.0   meanDistT: -1.0   qualityCode: X
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_mwp
./hypo.1738213425598.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1738213425598
Event info last updated: 2025.01.30-06:04:01 UTC
Event first association/location: 2025.01.30-05:08:03 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI