Early-est:     Northern Colombia    2026.08.10-12:35:09.53    q:A      mb:5.6    Mwp:7.3*    Mwpd:7.8    Td*T50Ex:13.2     fmamp_polarity:     fmamp_polarity_waveform:     hash:

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

Earthquake Details: Magnitude: mb: 5.6 [44]    Mwp: 7.3* [39]    Mwpd: 7.8 [38] Region: Northern Colombia Origin Time: 2026.08.10-12:35:09.53 UTC Hypocenter: lat: 6.57°  lon: -76.37°  [+/-15km]    depth: 302km  [+/-19km] Location Quality: qualityCode:  A     stdErr: 1.3s   assocPhases: 237   usedPhases: 73 minDist: 4.3°   maxDist: 170.1°   AzGap: 48°   2ndAzGap: 63°   atten: -9.90 [+/-0.00] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 15km   azMaxHorUnc: 151° 68%ConfEllipsoid:   semiMajorAxisLength: 22km   majorAxisAzimuth: 334°   majorAxisPlunge: 47°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 102°   intermediateAxisPlunge: 30°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: <1% T50Ex: 2.7 [42]    Td: 5.0s [13]    Td*T50Ex: 13.2 [13]    To: 119.7s [41] Closest plate boundaries:    Nazca \ North Andes [subduction zone]: distance: ~190km    North Andes / Nazca [subduction zone]: distance: ~190km    Panama - North Andes [continental transform fault]: distance: ~200km Subduction geometry: none or not available 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:    13.2    13.2    13.2 Td*To:      598.5      598.5      598.5 Mwp magnitude:        7.3*        7.3*        7.3* Hypocenter depth:        302km        302km        302km 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)

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 318°   dip: 32°   rake: -100° Nodal Plane 2: strike: 149°   dip: 58°   rake: -84° Quality: azimuthalGap: -1°   stationPolarityCount: 103   misfitWeightCount: 10.7   misfit: 0.13   stationDistributionRatio: 0.51   meanDistP: 45.7   meanDistT: 37.7   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 345°   dip: 56°   rake: -13° Nodal Plane 2: strike: 83°   dip: 79°   rake: -145° Quality: azimuthalGap: -1°   stationPolarityCount: 30   misfitWeightCount: 6.9   misfit: 0.02   stationDistributionRatio: 0.48   meanDistP: 44.9   meanDistT: 45.3   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity_waveform
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 225°   dip: 13°   rake: -142° Nodal Plane 2: strike: 98°   dip: 82°   rake: -79° Quality: azimuthalGap: 89°   stationPolarityCount: 103   misfit: 0.20   stationDistributionRatio: 0.85   rmsAngDiffAccPref: 36.75   fracAcc30degPref: 0.54   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1786365314178
Event info last updated: 2026.08.10-13:34:04 UTC
Event first association/location: 2026.08.10-12:47:04 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA