Early-est: Panama 2026.10.10-04:14:04.12 q:A mb:5.4 Mwp:6.2 Mwpd:- Td*T50Ex:2.6 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 [122] Mwp: 6.2 [46] Mwpd: 6.2Xinv [33]
Region:	Panama
Origin Time:	2026.10.10-04:14:04.12 UTC
Hypocenter:	lat: 7.48° lon: -80.59° [+/-6km] depth: 20km [+/-9km]
Location Quality:	qualityCode: A stdErr: 1.7s assocPhases: 259 usedPhases: 163 minDist: 5.1° maxDist: 169.7° AzGap: 40° 2ndAzGap: 45° atten: -1.47 [+/-0.15]
Location Uncertainty:	68%ConfEllipse: minHorUnc: 6km maxHorUnc: 6km azMaxHorUnc: 73° 68%ConfEllipsoid: semiMajorAxisLength: 10km majorAxisAzimuth: 59° majorAxisPlunge: 63° semiIntermediateAxisLength: 7km intermediateAxisAzimuth: 284° intermediateAxisPlunge: 20° semiMinorAxisLength: 7km

Tsunamigeneic Assesment:

Discriminants:

Prob Underwater: <1%
T50Ex: 0.5 [102]    Td: 4.8s [35]    Td*T50Ex: 2.6 [35]    To: 9.3s [88]
Closest plate boundaries:
   Nazca - Panama [continental convergent boundary]: distance: ~10km
   North Andes / Nazca [subduction zone]: distance: ~210km
Subduction geometry: none or not available

Decision table (TEST!):

Event type:

Subduction Zone

Other Thrust/Normal

Strike-slip

Compatible close plate boundary?:

YES (210km)

YES (10km)

Prob underwater:

<1%

Td*T50Ex:

2.6

Td*To:

44.6

Mwp magnitude:

6.2

Hypocenter depth:

20km

Slab depth at epicenter:

n/a

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1:	strike: 97° dip: 12° rake: -59°
Nodal Plane 2:	strike: 246° dip: 80° rake: -96°
Quality:	azimuthalGap: -1° stationPolarityCount: 155 misfitWeightCount: 23.7 misfit: 0.16 stationDistributionRatio: 0.49 meanDistP: 20.3 meanDistT: 16.2 qualityCode: B
Method:	methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity

./hypo.1791605643745.mech.fmamp_polarity.mechanism.jpg

First-motion Focal Mechanism (HASH): (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1:	strike: 59° dip: 3° rake: -126°
Nodal Plane 2:	strike: 275° dip: 88° rake: -88°
Quality:	azimuthalGap: 40° stationPolarityCount: 155 misfit: 0.35 stationDistributionRatio: 0.70 rmsAngDiffAccPref: 28.56 fracAcc30degPref: 0.70 qualityCode: C
Method:	methodID: smi:gov.usgs/focalmec/HASH_1.2

./hypo.1791605643745.mech.hash.mechanism.jpg

First-motion Focal Mechanism (FMAMP_AMP_AREF): (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1:	strike: 130° dip: 66° rake: 10°
Nodal Plane 2:	strike: 36° dip: 81° rake: 156°
Quality:	azimuthalGap: -1° stationPolarityCount: 84 misfitWeightCount: 14.1 misfit: 9999.90 stationDistributionRatio: 0.50 meanDistP: 48.3 meanDistT: 28.0 qualityCode: D
Method:	methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_aref

./hypo.1791605643745.mech.fmamp_amp_aref.mechanism.jpg

First-motion Focal Mechanism (FMAMP_AMP_MWP): (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1:	strike: 21° dip: 52° rake: -137°
Nodal Plane 2:	strike: 260° dip: 57° rake: -47°
Quality:	azimuthalGap: -1° stationPolarityCount: 43 misfitWeightCount: 11.6 misfit: 9999.90 stationDistributionRatio: 0.54 meanDistP: 32.3 meanDistT: 30.1 qualityCode: C
Method:	methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_mwp

./hypo.1791605643745.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1791605643745
Event info last updated: 2026.10.10-05:15:08 UTC
Event first association/location: 2026.10.10-04:19:04 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI

Early-est: Panama 2026.10.10-04:14:04.12 q:A mb:5.4 Mwp:6.2 Mwpd:- Td*T50Ex:2.6 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!

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