Early-est:     South of Panama    2026.10.04-14:06:12.13    q:B      mb:4.9    Mwp:-    Mwpd:-    Td*T50Ex:0.7     fmamp_polarity:     hash:     fmamp_amp_aref:     fmamp_amp_mwp:

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

Earthquake Details: Magnitude: mb: 4.9 [21]    Mwp: 5.2X [3]    Mwpd: - [0] Region: South of Panama Origin Time: 2026.10.04-14:06:12.13 UTC Hypocenter: lat: 5.38°  lon: -82.46°  [+/-12km]    depth: 10km  [+/-12km] Location Quality: qualityCode:  B     stdErr: 2.0s   assocPhases: 50   usedPhases: 25 minDist: 4.9°   maxDist: 144.8°   AzGap: 76°   2ndAzGap: 135°   atten: -1.98 [+/-0.24] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 12km   azMaxHorUnc: 45° 68%ConfEllipsoid:   semiMajorAxisLength: 15km   majorAxisAzimuth: 48°   majorAxisPlunge: 6°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 140°   intermediateAxisPlunge: 16°   semiMinorAxisLength: 11km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [15]    Td: 1.6s [4]    Td*T50Ex: 0.7 [4]    To: 2.1s [10] Closest plate boundaries:    Cocos - Nazca [oceanic transform fault]: distance: ~60km    Nazca - Panama [oceanic transform fault]: distance: ~180km    Cocos \ Panama [subduction zone]: distance: ~230km    North Andes / Nazca [subduction zone]: distance: ~450km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  no  no  YES (60km) Prob underwater:  >99%  >99%  >99% Td*T50Ex:    0.7    0.7    0.7 Td*To:      3.4      3.4      3.4 Mwp magnitude:        -        -        - Hypocenter depth:        10km        10km        10km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 5°   dip: 13°   rake: 158° Nodal Plane 2: strike: 117°   dip: 85°   rake: 78° Quality: azimuthalGap: -1°   stationPolarityCount: 28   misfitWeightCount: 8.0   misfit: 0.16   stationDistributionRatio: 0.66   meanDistP: 41.3   meanDistT: 24.7   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH): Nodal Plane 1: strike: 338°   dip: 80°   rake: -145° Nodal Plane 2: strike: 241°   dip: 56°   rake: -12° Quality: azimuthalGap: 75°   stationPolarityCount: 28   misfit: 0.19   stationDistributionRatio: 0.73   rmsAngDiffAccPref: 12.89   fracAcc30degPref: 0.97   qualityCode: B Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (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/_amp_aref
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (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/_amp_mwp

Event ID: smi:KOERI/ee/event/1791122771940
Event info last updated: 2026.10.04-15:06:18 UTC
Event first association/location: 2026.10.04-14:12:38 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI