Early-est:     Panama    2026.10.12-23:20:38.13    q:A      mb:5.4    Mwp:6.2    Mwpd:-    Td*T50Ex:2.3     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: 5.4 [130]    Mwp: 6.2 [73]    Mwpd: 6.3Xinv [56] Region: Panama Origin Time: 2026.10.12-23:20:38.13 UTC Hypocenter: lat: 7.79°  lon: -81.34°  [+/-8km]    depth: 10km  [+/-8km] Location Quality: qualityCode:  A     stdErr: 1.6s   assocPhases: 254   usedPhases: 186 minDist: 3.5°   maxDist: 169.1°   AzGap: 39°   2ndAzGap: 46°   atten: -1.46 [+/-0.13] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 7km   maxHorUnc: 8km   azMaxHorUnc: 42° 68%ConfEllipsoid:   semiMajorAxisLength: 11km   majorAxisAzimuth: 225°   majorAxisPlunge: 8°   semiIntermediateAxisLength: 9km   intermediateAxisAzimuth: 320°   intermediateAxisPlunge: 37°   semiMinorAxisLength: 7km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 9% T50Ex: 0.5 [88]    Td: 4.5s [28]    Td*T50Ex: 2.3 [28]    To: 14.3s [74] Closest plate boundaries:    Nazca - Panama [oceanic transform fault]: distance: ~70km    Cocos - Nazca [oceanic transform fault]: distance: ~180km    Cocos \ Panama [subduction zone]: distance: ~180km    Panama - Caribbean [continental convergent boundary]: distance: ~190km    North Andes / Nazca [subduction zone]: distance: ~290km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (180km)  no  no Prob underwater:  9%  9%  9% Td*T50Ex:    2.3    2.3    2.3 Td*To:      64.4      64.4      64.4 Mwp magnitude:        6.2        6.2        6.2 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: 117°   dip: 73°   rake: -6° Nodal Plane 2: strike: 208°   dip: 84°   rake: -163° Quality: azimuthalGap: -1°   stationPolarityCount: 179   misfitWeightCount: 21.2   misfit: 0.14   stationDistributionRatio: 0.49   meanDistP: 26.6   meanDistT: 39.0   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 105°   dip: 11°   rake: 50° Nodal Plane 2: strike: 326°   dip: 82°   rake: 97° Quality: azimuthalGap: 38°   stationPolarityCount: 179   misfit: 0.27   stationDistributionRatio: 0.62   rmsAngDiffAccPref: 35.04   fracAcc30degPref: 0.58   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 102°   dip: 61°   rake: 4° Nodal Plane 2: strike: 11°   dip: 87°   rake: 151° Quality: azimuthalGap: -1°   stationPolarityCount: 84   misfitWeightCount: 13.4   misfit: 9999.90   stationDistributionRatio: 0.22   meanDistP: 30.0   meanDistT: 36.4   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_aref
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 98°   dip: 33°   rake: 9° Nodal Plane 2: strike: 0°   dip: 85°   rake: 123° Quality: azimuthalGap: -1°   stationPolarityCount: 75   misfitWeightCount: 14.0   misfit: 9999.90   stationDistributionRatio: 0.52   meanDistP: 25.7   meanDistT: 37.3   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_mwp

Event ID: smi:KOERI/ee/event/1791847243339
Event info last updated: 2026.10.13-00:20:47 UTC
Event first association/location: 2026.10.12-23:25:31 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI