Early-est:     Near Coast of Guerrero, Mexico    2026.02.13-06:03:21.01    q:B      mb:4.7*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1770962604027.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1770962604027.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1770962604027.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: 4.7* [20]    Mwp: - [0]    Mwpd: - [0]
Region: Near Coast of Guerrero, Mexico
Origin Time: 2026.02.13-06:03:21.01 UTC
Hypocenter: lat: 16.39°  lon: -98.56°  [+/-18km]    depth: 65km  [+/-33km]
Location Quality: qualityCode:  B     stdErr: 1.1s   assocPhases: 68   usedPhases: 22
minDist: 3.0°   maxDist: 65.6°   AzGap: 239°   2ndAzGap: 244°   atten: -1.03 [+/-0.54]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 18km   azMaxHorUnc: 15°
68%ConfEllipsoid:   semiMajorAxisLength: 35km   majorAxisAzimuth: 45°   majorAxisPlunge: 69°   semiIntermediateAxisLength: 21km   intermediateAxisAzimuth: 180°   intermediateAxisPlunge: 15°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 75%
T50Ex: 0.4 [15]    Td: -s [0]    Td*T50Ex: - [0]    To: 4.2s [15]
Closest plate boundaries:
   Cocos \ North America [subduction zone]: distance: ~70km
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 (70km)
 no
 no
Prob underwater:
 75%
 75%
 75%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       65km
       65km
       65km
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.1770962604027.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 109°   dip: 39°   rake: -148°
Nodal Plane 2: strike: 353°   dip: 70°   rake: -55°
Quality: azimuthalGap: -1°   stationPolarityCount: 22   misfitWeightCount: 7.4   misfit: 0.15   stationDistributionRatio: 0.43   meanDistP: 49.1   meanDistT: 45.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1770962604027.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.1770962604027.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: 151°   stationPolarityCount: 22   misfit: 0.99   stationDistributionRatio: 0.66   rmsAngDiffAccPref: 53.55   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1770962604027.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1770962604027
Event info last updated: 2026.02.13-07:02:01 UTC
Event first association/location: 2026.02.13-06:15:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA