Early-est:     Off Coast of Central America    2026.05.30-11:06:13.19    q:B      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1780139173522.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1780139173522.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1780139173522.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: 4.8* [14]    Mwp: - [0]    Mwpd: - [0]
Region: Off Coast of Central America
Origin Time: 2026.05.30-11:06:13.19 UTC
Hypocenter: lat: 12.09°  lon: -88.48°  [+/-26km]    depth: 9km  [+/-35km]
Location Quality: qualityCode:  B     stdErr: 2.3s   assocPhases: 20   usedPhases: 16
minDist: 2.3°   maxDist: 43.9°   AzGap: 210°   2ndAzGap: 245°   atten: -1.31 [+/-0.38]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 22km   maxHorUnc: 26km   azMaxHorUnc: 51°
68%ConfEllipsoid:   semiMajorAxisLength: 40km   majorAxisAzimuth: 99°   majorAxisPlunge: 54°   semiIntermediateAxisLength: 32km   intermediateAxisAzimuth: 208°   intermediateAxisPlunge: 14°   semiMinorAxisLength: 21km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.2 [9]    Td: 1.7Xs [1]    Td*T50Ex: - [0]    To: 2.1s [9]
Closest plate boundaries:
   Caribbean / Cocos [subduction zone]: distance: ~50km
   Cocos \ North America [subduction zone]: distance: ~270km
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 (50km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       9km
       9km
       9km
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.1780139173522.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 32°   dip: 46°   rake: 22°
Nodal Plane 2: strike: 286°   dip: 74°   rake: 134°
Quality: azimuthalGap: -1°   stationPolarityCount: 17   misfitWeightCount: 3.1   misfit: 0.03   stationDistributionRatio: 0.46   meanDistP: 50.9   meanDistT: 51.8   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1780139173522.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.1780139173522.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: 270°   stationPolarityCount: 15   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1780139173522.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1780139173522
Event info last updated: 2026.05.30-12:05:00 UTC
Event first association/location: 2026.05.30-11:15:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA