Early-est:     Near Coast of Nicaragua    2025.08.04-23:06:57.52    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* [16]    Mwp: 4.2X [1]    Mwpd: - [0] Region: Near Coast of Nicaragua Origin Time: 2025.08.04-23:06:57.52 UTC Hypocenter: lat: 12.35°  lon: -87.45°  [+/-20km]    depth: 97km  [+/-19km] Location Quality: qualityCode:  B     stdErr: 2.0s   assocPhases: 23   usedPhases: 19 minDist: 1.7°   maxDist: 147.6°   AzGap: 125°   2ndAzGap: 189°   atten: -0.79 [+/-0.41] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 20km   azMaxHorUnc: 89° 68%ConfEllipsoid:   semiMajorAxisLength: 27km   majorAxisAzimuth: 90°   majorAxisPlunge: 27°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 212°   intermediateAxisPlunge: 47°   semiMinorAxisLength: 16km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [9]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.7s [8] Closest plate boundaries:    Caribbean / Cocos [subduction zone]: distance: ~120km 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 (120km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        97km        97km        97km 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: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 355°   dip: 24°   rake: 118° Nodal Plane 2: strike: 144°   dip: 69°   rake: 78° Quality: azimuthalGap: -1°   stationPolarityCount: 19   misfitWeightCount: 5.4   misfit: 0.09   stationDistributionRatio: 0.52   meanDistP: 47.3   meanDistT: 41.3   qualityCode: C 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):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 79°   dip: 32°   rake: 158° Nodal Plane 2: strike: 188°   dip: 79°   rake: 60° Quality: azimuthalGap: 97°   stationPolarityCount: 19   misfit: 0.31   stationDistributionRatio: 0.84   rmsAngDiffAccPref: 43.73   fracAcc30degPref: 0.39   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1754348814164
Event info last updated: 2025.08.05-00:05:01 UTC
Event first association/location: 2025.08.04-23:13:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA