Early-est:     Northern Colombia    2026.02.14-11:22:07.52    q:C      mb:4.2*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1771068127521.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1771068127521.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1771068127521.mech.hash.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 4.2* [9]    Mwp: - [0]    Mwpd: - [0]
Region: Northern Colombia
Origin Time: 2026.02.14-11:22:07.52 UTC
Hypocenter: lat: 8.41°  lon: -73.83°  [+/-15km]    depth: 272km  [+/-16km]
Location Quality: qualityCode:  C     stdErr: 1.6s   assocPhases: 30   usedPhases: 13
minDist: 10.5°   maxDist: 80.4°   AzGap: 145°   2ndAzGap: 271°   atten: -1.53 [+/-0.78]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 15km   azMaxHorUnc: 68°
68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 69°   majorAxisPlunge: 30°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 238°   intermediateAxisPlunge: 60°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.0 [5]    Td: 8.5Xs [1]    Td*T50Ex: - [0]    To: 0.9s [5]
Closest plate boundaries:
   North Andes - South America [continental transform fault]: distance: ~170km
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:
       272km
       272km
       272km
Slab depth at epicenter:
       n/a
       -
       -
Tsunami and Rupture predictions (TEST!): No prediction: Event too small (Mwp<7.0) or too few Mwp readings (N<20)
./hypo.1771068127521.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 47°   dip: 9°   rake: -112°
Nodal Plane 2: strike: 250°   dip: 82°   rake: -87°
Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 2.6   misfit: 0.00   stationDistributionRatio: 0.42   meanDistP: 55.5   meanDistT: 52.7   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1771068127521.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: 0°
Nodal Plane 2: strike: 270°   dip: 90°   rake: 90°
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/_polarity_waveform
./hypo.1771068127521.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (No solution available)
Nodal Plane 1: strike: 999°   dip: 99°   rake: 999°
Nodal Plane 2: strike: 324°   dip: 13°   rake: 135°
Quality: azimuthalGap: 156°   stationPolarityCount: 8   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1771068127521.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1771068127521
Event info last updated: 2026.02.14-12:21:00 UTC
Event first association/location: 2026.02.14-11:33:03 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA