Early-est:     Azores - Cape St. Vincent Ridge    2026.03.27-01:47:22.52    q:B      mb:-    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: 4.2X [3]    Mwp: - [0]    Mwpd: - [0] Region: Azores - Cape St. Vincent Ridge Origin Time: 2026.03.27-01:47:22.52 UTC Hypocenter: lat: 36.36°  lon: -10.22°  [+/-16km]    depth: 15km  [+/-18km] Location Quality: qualityCode:  B     stdErr: 1.0s   assocPhases: 10   usedPhases: 9 minDist: 1.6°   maxDist: 88.5°   AzGap: 167°   2ndAzGap: 230°   atten: -0.86 [+/-0.44] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 16km   azMaxHorUnc: 90° 68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 89°   majorAxisPlunge: 10°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 317°   intermediateAxisPlunge: 75°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5X [1]    Td: -s [0]    Td*T50Ex: - [0]    To: 2.5Xs [1] Closest plate boundaries:    Eurasia - Africa [oceanic convergent boundary]: distance: ~20km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  no  YES (20km)  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        15km        15km        15km 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):    (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
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: 0°   stationPolarityCount: 1   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: F Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1774576044805
Event info last updated: 2026.03.27-02:46:00 UTC
Event first association/location: 2026.03.27-02:02:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA