Early-est:     Off W. Coast of Baja California    2026.06.21-06:32:01.12    q:B      mb:4.6*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1782023518757.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1782023518757.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1782023518757.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: 4.6* [24]    Mwp: - [0]    Mwpd: - [0]
Region: Off W. Coast of Baja California
Origin Time: 2026.06.21-06:32:01.12 UTC
Hypocenter: lat: 24.12°  lon: -115.95°  [+/-13km]    depth: 23km  [+/-14km]
Location Quality: qualityCode:  B     stdErr: 1.9s   assocPhases: 53   usedPhases: 24
minDist: 9.4°   maxDist: 145.1°   AzGap: 94°   2ndAzGap: 164°   atten: -0.37 [+/-0.31]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 13km   azMaxHorUnc: 36°
68%ConfEllipsoid:   semiMajorAxisLength: 16km   majorAxisAzimuth: 33°   majorAxisPlunge: 12°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 283°   intermediateAxisPlunge: 57°   semiMinorAxisLength: 11km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [15]    Td: 2.9Xs [2]    Td*T50Ex: - [0]    To: 3.8s [15]
Closest plate boundaries:
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       23km
       23km
       23km
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.1782023518757.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 82°   dip: 12°   rake: 25°
Nodal Plane 2: strike: 328°   dip: 85°   rake: 101°
Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 7.1   misfit: 0.11   stationDistributionRatio: 0.29   meanDistP: 48.8   meanDistT: 52.7   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1782023518757.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.1782023518757.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: 163°   stationPolarityCount: 20   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1782023518757.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782023518757
Event info last updated: 2026.06.21-07:31:01 UTC
Event first association/location: 2026.06.21-06:41:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA