Early-est:     Near Coast of Nicaragua    2026.05.31-10:51:56.24    q:B      mb:4.5*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     fmamp_polarity_waveform:     hash:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details: Magnitude: mb: 4.5* [4]    Mwp: 4.5X [1]    Mwpd: - [0] Region: Near Coast of Nicaragua Origin Time: 2026.05.31-10:51:56.24 UTC Hypocenter: lat: 12.31°  lon: -87.90°  [+/-12km]    depth: 84km  [+/-19km] Location Quality: qualityCode:  B     stdErr: 1.3s   assocPhases: 12   usedPhases: 11 minDist: 1.8°   maxDist: 43.8°   AzGap: 207°   2ndAzGap: 223°   atten: -1.08 [+/-0.90] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 12km   azMaxHorUnc: 37° 68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 80°   majorAxisPlunge: 66°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 191°   intermediateAxisPlunge: 9°   semiMinorAxisLength: 13km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [4]    Td: -s [0]    Td*T50Ex: - [0]    To: 4.3s [4] Closest plate boundaries:    Caribbean / Cocos [subduction zone]: distance: ~80km 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 (80km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        84km        84km        84km 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)

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 339°   dip: 24°   rake: -89° Nodal Plane 2: strike: 158°   dip: 66°   rake: -90° Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 2.3   misfit: 0.01   stationDistributionRatio: 0.53   meanDistP: 52.4   meanDistT: 55.6   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
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
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: 196°   stationPolarityCount: 8   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1780224716467
Event info last updated: 2026.05.31-11:50:00 UTC
Event first association/location: 2026.05.31-10:58:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA