Early-est:     Off Coast of Jalisco, Mexico    2025.05.13-20:43:07.81    q:A      mb:5.2    Mwp:5.8*    Mwpd:-    Td*T50Ex:1.0     fmamp_polarity:./hypo.1747168987694.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1747168987694.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1747168987694.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: 5.2 [43]    Mwp: 5.8* [15]    Mwpd: 5.8Xinv [14]
Region: Off Coast of Jalisco, Mexico
Origin Time: 2025.05.13-20:43:07.81 UTC
Hypocenter: lat: 18.78°  lon: -107.27°  [+/-14km]    depth: 15km  [+/-14km]
Location Quality: qualityCode:  A     stdErr: 1.7s   assocPhases: 99   usedPhases: 46
minDist: 7.7°   maxDist: 87.6°   AzGap: 182°   2ndAzGap: 186°   atten: -0.93 [+/-0.26]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 14km   azMaxHorUnc: 3°
68%ConfEllipsoid:   semiMajorAxisLength: 17km   majorAxisAzimuth: 184°   majorAxisPlunge: 4°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 280°   intermediateAxisPlunge: 53°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [42]    Td: 2.5s [21]    Td*T50Ex: 1.0 [21]    To: 9.9s [39]
Closest plate boundaries:
   Rivera - Pacific [oceanic transform fault]: distance: ~0km
   North America / Rivera [subduction zone]: distance: ~150km
   Rivera - Cocos [oceanic convergent boundary]: distance: ~200km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (150km)
 no
 YES (0km)
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   1.0
   1.0
   1.0
Td*To:
     24.8
     24.8
     24.8
Mwp magnitude:
       5.8*
       5.8*
       5.8*
Hypocenter depth:
       15km
       15km
       15km
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.1747168987694.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 92°   dip: 35°   rake: 124°
Nodal Plane 2: strike: 233°   dip: 61°   rake: 69°
Quality: azimuthalGap: -1°   stationPolarityCount: 44   misfitWeightCount: 12.9   misfit: 0.11   stationDistributionRatio: 0.49   meanDistP: 38.9   meanDistT: 33.0   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1747168987694.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.1747168987694.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: 182°   stationPolarityCount: 44   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1747168987694.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1747168987694
Event info last updated: 2025.05.13-21:42:02 UTC
Event first association/location: 2025.05.13-20:49:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA