Early-est:     Colombia    2026.08.10-12:34:26.91    q:A      mb:5.8    Mwp:7.3*    Mwpd:7.7    Td*T50Ex:13.3     fmamp_polarity:./hypo.1786365269632.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1786365269632.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1786365269632.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: 5.8 [130]    Mwp: 7.3* [104]    Mwpd: 7.7 [112]
Region: Colombia
Origin Time: 2026.08.10-12:34:26.91 UTC
Hypocenter: lat: 4.92°  lon: -76.14°  [+/-10km]    depth: 90km  [+/-13km]
Location Quality: qualityCode:  A     stdErr: 1.2s   assocPhases: 350   usedPhases: 178
minDist: 5.6°   maxDist: 171.2°   AzGap: 29°   2ndAzGap: 36°   atten: -1.54 [+/-0.27]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 8km   maxHorUnc: 10km   azMaxHorUnc: 24°
68%ConfEllipsoid:   semiMajorAxisLength: 14km   majorAxisAzimuth: 332°   majorAxisPlunge: 58°   semiIntermediateAxisLength: 12km   intermediateAxisAzimuth: 216°   intermediateAxisPlunge: 15°   semiMinorAxisLength: 9km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 3.2 [131]    Td: 4.2s [36]    Td*T50Ex: 13.3 [36]    To: 114.6s [131]
Closest plate boundaries:
   Nazca \ North Andes [subduction zone]: distance: ~210km
   North Andes / Nazca [subduction zone]: distance: ~240km
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 (210km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   13.3
   13.3
   13.3
Td*To:
     481.3
     481.3
     481.3
Mwp magnitude:
       7.3*
       7.3*
       7.3*
Hypocenter depth:
       90km
       90km
       90km
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.1786365269632.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1: strike: 130°   dip: 66°   rake: 162°
Nodal Plane 2: strike: 227°   dip: 74°   rake: 25°
Quality: azimuthalGap: -1°   stationPolarityCount: 148   misfitWeightCount: 29.1   misfit: 0.06   stationDistributionRatio: 0.56   meanDistP: 15.8   meanDistT: 19.1   qualityCode: A
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1786365269632.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 117°   dip: 59°   rake: 176°
Nodal Plane 2: strike: 208°   dip: 87°   rake: 31°
Quality: azimuthalGap: -1°   stationPolarityCount: 37   misfitWeightCount: 6.5   misfit: 0.00   stationDistributionRatio: 0.50   meanDistP: 43.4   meanDistT: 39.5   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity_waveform
./hypo.1786365269632.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 116°   dip: 79°   rake: 170°
Nodal Plane 2: strike: 208°   dip: 81°   rake: 11°
Quality: azimuthalGap: 66°   stationPolarityCount: 148   misfit: 0.09   stationDistributionRatio: 0.76   rmsAngDiffAccPref: 16.01   fracAcc30degPref: 1.00   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1786365269632.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1786365269632
Event info last updated: 2026.08.10-13:33:03 UTC
Event first association/location: 2026.08.10-12:39:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA