Early-est:     Colombia    2026.08.10-13:18:11.69    q:B      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1786367893018.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1786367893018.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1786367893018.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: 4.8* [20]    Mwp: - [0]    Mwpd: - [0]
Region: Colombia
Origin Time: 2026.08.10-13:18:11.69 UTC
Hypocenter: lat: 4.86°  lon: -76.28°  [+/-13km]    depth: 102km  [+/-18km]
Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 44   usedPhases: 24
minDist: 5.6°   maxDist: 151.8°   AzGap: 71°   2ndAzGap: 121°   atten: -1.99 [+/-0.38]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 13km   azMaxHorUnc: 5°
68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 242°   majorAxisPlunge: 79°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 2°   intermediateAxisPlunge: 6°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.6 [11]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.0s [11]
Closest plate boundaries:
   Nazca \ North Andes [subduction zone]: distance: ~190km
   North Andes / Nazca [subduction zone]: distance: ~230km
Subduction geometry:    Zone: South America: DEBUG: error: [Errno 2] No such file or directory: 'gmt'    Slab depth at epicenter: error: evaluating slab depth: -999.9
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (190km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       102km
       102km
       102km
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.1786367893018.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 284°   dip: 56°   rake: -139°
Nodal Plane 2: strike: 167°   dip: 57°   rake: -42°
Quality: azimuthalGap: -1°   stationPolarityCount: 21   misfitWeightCount: 10.6   misfit: 0.12   stationDistributionRatio: 0.47   meanDistP: 40.2   meanDistT: 48.4   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1786367893018.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.1786367893018.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 264°   dip: 90°   rake: 155°
Nodal Plane 2: strike: 354°   dip: 65°   rake: 0°
Quality: azimuthalGap: 120°   stationPolarityCount: 21   misfit: 0.22   stationDistributionRatio: 0.77   rmsAngDiffAccPref: 37.26   fracAcc30degPref: 0.51   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1786367893018.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1786367893018
Event info last updated: 2026.08.10-14:17:00 UTC
Event first association/location: 2026.08.10-13:26:04 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA