Early-est:     Nicaragua    2026.06.26-11:57:31.51    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:0.4     fmamp_polarity:./hypo.1782475050417.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1782475050417.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1782475050417.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* [41]    Mwp: 6.4X [1]    Mwpd: 6.4Xinv [1]
Region: Nicaragua
Origin Time: 2026.06.26-11:57:31.51 UTC
Hypocenter: lat: 12.00°  lon: -86.54°  [+/-27km]    depth: 177km  [+/-53km]
Location Quality: qualityCode:  B     stdErr: 1.3s   assocPhases: 81   usedPhases: 63
minDist: 2.2°   maxDist: 153.3°   AzGap: 46°   2ndAzGap: 49°   atten: -1.32 [+/-0.29]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 20km   maxHorUnc: 27km   azMaxHorUnc: 77°
68%ConfEllipsoid:   semiMajorAxisLength: 54km   majorAxisAzimuth: 77°   majorAxisPlunge: 78°   semiIntermediateAxisLength: 32km   intermediateAxisAzimuth: 256°   intermediateAxisPlunge: 12°   semiMinorAxisLength: 25km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 4%
T50Ex: 0.3 [26]    Td: 1.3s [5]    Td*T50Ex: 0.4 [5]    To: 2.1s [26]
Closest plate boundaries:
   Caribbean / Cocos [subduction zone]: distance: ~140km
   Panama - Caribbean [continental convergent boundary]: distance: ~180km
   Cocos \ Panama [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 (140km)
 no
 no
Prob underwater:
 4%
 4%
 4%
Td*T50Ex:
   0.4
   0.4
   0.4
Td*To:
     2.7
     2.7
     2.7
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       177km
       177km
       177km
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.1782475050417.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 276°   dip: 37°   rake: 152°
Nodal Plane 2: strike: 29°   dip: 73°   rake: 56°
Quality: azimuthalGap: -1°   stationPolarityCount: 42   misfitWeightCount: 13.3   misfit: 0.10   stationDistributionRatio: 0.43   meanDistP: 41.3   meanDistT: 42.1   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1782475050417.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.1782475050417.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 264°   dip: 59°   rake: -130°
Nodal Plane 2: strike: 143°   dip: 49°   rake: -43°
Quality: azimuthalGap: 96°   stationPolarityCount: 42   misfit: 0.26   stationDistributionRatio: 0.82   rmsAngDiffAccPref: 27.61   fracAcc30degPref: 0.78   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1782475050417.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782475050417
Event info last updated: 2026.06.26-12:56:00 UTC
Event first association/location: 2026.06.26-12:00:03 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA