Early-est:     Panama    2026.10.09-20:25:41.11    q:A      mb:5.6    Mwp:6.9    Mwpd:-    Td*T50Ex:2.9     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: 5.6 [132]    Mwp: 6.9 [10]    Mwpd: 7.0Xinv [8] Region: Panama Origin Time: 2026.10.09-20:25:41.11 UTC Hypocenter: lat: 7.65°  lon: -81.42°  [+/-8km]    depth: 20km  [+/-10km] Location Quality: qualityCode:  A     stdErr: 1.4s   assocPhases: 248   usedPhases: 196 minDist: 3.6°   maxDist: 169.2°   AzGap: 32°   2ndAzGap: 39°   atten: -1.67 [+/-0.14] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 5km   maxHorUnc: 8km   azMaxHorUnc: 30° 68%ConfEllipsoid:   semiMajorAxisLength: 11km   majorAxisAzimuth: 22°   majorAxisPlunge: 50°   semiIntermediateAxisLength: 9km   intermediateAxisAzimuth: 224°   intermediateAxisPlunge: 37°   semiMinorAxisLength: 7km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5 [124]    Td: 5.5s [22]    Td*T50Ex: 2.9 [22]    To: 14.6s [115] Closest plate boundaries:    Nazca - Panama [oceanic transform fault]: distance: ~60km    Cocos - Nazca [oceanic transform fault]: distance: ~160km    Cocos \ Panama [subduction zone]: distance: ~160km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (160km)  no  YES (60km) Prob underwater:  >99%  >99%  >99% Td*T50Ex:    2.9    2.9    2.9 Td*To:      80.3      80.3      80.3 Mwp magnitude:        6.9        6.9        6.9 Hypocenter depth:        20km        20km        20km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY): Nodal Plane 1: strike: 72°   dip: 21°   rake: 119° Nodal Plane 2: strike: 221°   dip: 71°   rake: 79° Quality: azimuthalGap: -1°   stationPolarityCount: 150   misfitWeightCount: 22.9   misfit: 0.18   stationDistributionRatio: 0.56   meanDistP: 23.6   meanDistT: 23.5   qualityCode: B 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: 11°   dip: 13°   rake: 62° Nodal Plane 2: strike: 220°   dip: 78°   rake: 96° Quality: azimuthalGap: 31°   stationPolarityCount: 150   misfit: 0.27   stationDistributionRatio: 0.60   rmsAngDiffAccPref: 33.04   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: 144°   dip: 29°   rake: -163° Nodal Plane 2: strike: 39°   dip: 82°   rake: -62° Quality: azimuthalGap: -1°   stationPolarityCount: 29   misfitWeightCount: 7.8   misfit: 9999.90   stationDistributionRatio: 0.65   meanDistP: 26.7   meanDistT: 40.8   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: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 291°   dip: 51°   rake: -12° Nodal Plane 2: strike: 28°   dip: 81°   rake: -141° Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 4.1   misfit: 9999.90   stationDistributionRatio: 0.33   meanDistP: 32.4   meanDistT: 51.5   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_mwp

Event ID: smi:KOERI/ee/event/1791577541821
Event info last updated: 2026.10.09-21:25:55 UTC
Event first association/location: 2026.10.09-20:30:42 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI