Early-est:     Mexico - Guatemala Border Region    2026.03.26-11:07:03.55    q:A      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1774523221232.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1774523221232.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1774523221232.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: 5.0* [37]    Mwp: - [0]    Mwpd: - [0]
Region: Mexico - Guatemala Border Region
Origin Time: 2026.03.26-11:07:03.55 UTC
Hypocenter: lat: 15.71°  lon: -92.97°  [+/-19km]    depth: 124km  [+/-23km]
Location Quality: qualityCode:  A     stdErr: 1.1s   assocPhases: 72   usedPhases: 45
minDist: 5.7°   maxDist: 149.1°   AzGap: 89°   2ndAzGap: 97°   atten: -1.57 [+/-0.26]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 15km   maxHorUnc: 19km   azMaxHorUnc: 72°
68%ConfEllipsoid:   semiMajorAxisLength: 28km   majorAxisAzimuth: 84°   majorAxisPlunge: 45°   semiIntermediateAxisLength: 20km   intermediateAxisAzimuth: 201°   intermediateAxisPlunge: 24°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.6 [35]    Td: 1.1Xs [3]    Td*T50Ex: - [0]    To: 2.2s [35]
Closest plate boundaries:
   Cocos \ North America [subduction zone]: distance: ~200km
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 (200km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       124km
       124km
       124km
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.1774523221232.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 0°   dip: 3°   rake: -103°
Nodal Plane 2: strike: 193°   dip: 87°   rake: -89°
Quality: azimuthalGap: -1°   stationPolarityCount: 36   misfitWeightCount: 7.4   misfit: 0.05   stationDistributionRatio: 0.50   meanDistP: 34.3   meanDistT: 47.8   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1774523221232.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.1774523221232.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 101°   dip: 40°   rake: -60°
Nodal Plane 2: strike: 245°   dip: 56°   rake: -112°
Quality: azimuthalGap: 63°   stationPolarityCount: 36   misfit: 0.19   stationDistributionRatio: 0.81   rmsAngDiffAccPref: 25.17   fracAcc30degPref: 0.77   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1774523221232.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1774523221232
Event info last updated: 2026.03.26-12:06:00 UTC
Event first association/location: 2026.03.26-11:12:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA