Early-est:     Jalisco, Mexico    2026.10.02-06:53:53.13    q:B      mb:4.6*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1790924033443.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1790924033443.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1790924033443.mech.hash.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 4.6* [17]    Mwp: 5.3X [1]    Mwpd: 5.7Xinv [1]
Region: Jalisco, Mexico
Origin Time: 2026.10.02-06:53:53.13 UTC
Hypocenter: lat: 19.48°  lon: -103.98°  [+/-13km]    depth: 140km  [+/-17km]
Location Quality: qualityCode:  B     stdErr: 1.1s   assocPhases: 39   usedPhases: 23
minDist: 4.5°   maxDist: 140.9°   AzGap: 132°   2ndAzGap: 179°   atten: -0.83 [+/-0.37]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 13km   azMaxHorUnc: 8°
68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 27°   majorAxisPlunge: 68°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 183°   intermediateAxisPlunge: 21°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.1 [11]    Td: 3.9Xs [1]    Td*T50Ex: - [0]    To: 3.5s [11]
Closest plate boundaries:
   Cocos \ North America [subduction zone]: distance: ~150km
   Rivera - Cocos [oceanic convergent boundary]: distance: ~160km
   North America / Rivera [subduction zone]: distance: ~160km
Subduction geometry:    Zone: Central America: DEBUG: error: [Errno 2] No such file or directory: 'gmt'    Slab depth at epicenter: error: evaluating slab depth: -999.9
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (150km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       140km
       140km
       140km
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)
./hypo.1790924033443.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 106°   dip: 31°   rake: -6°
Nodal Plane 2: strike: 202°   dip: 87°   rake: -121°
Quality: azimuthalGap: -1°   stationPolarityCount: 22   misfitWeightCount: 5.4   misfit: 0.19   stationDistributionRatio: 0.43   meanDistP: 51.3   meanDistT: 47.8   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1790924033443.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (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/_polarity_waveform
./hypo.1790924033443.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (No solution available)
Nodal Plane 1: strike: 999°   dip: 99°   rake: 999°
Nodal Plane 2: strike: 324°   dip: 13°   rake: 135°
Quality: azimuthalGap: 179°   stationPolarityCount: 22   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1790924033443.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1790924033443
Event info last updated: 2026.10.02-07:52:00 UTC
Event first association/location: 2026.10.02-06:59:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA