Early-est:     France    2026.08.08-10:42:47.54    q:B      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1786185766012.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1786185766012.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1786185766012.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: 4.1X [2]    Mwp: - [0]    Mwpd: - [0]
Region: France
Origin Time: 2026.08.08-10:42:47.54 UTC
Hypocenter: lat: 44.63°  lon: 6.83°  [+/-20km]    depth: 12km  [+/-50km]
Location Quality: qualityCode:  B     stdErr: 0.8s   assocPhases: 19   usedPhases: 14
minDist: 0.5°   maxDist: 135.8°   AzGap: 73°   2ndAzGap: 98°   atten: -9.90 [+/-0.00]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 16km   maxHorUnc: 20km   azMaxHorUnc: 139°
68%ConfEllipsoid:   semiMajorAxisLength: 53km   majorAxisAzimuth: 151°   majorAxisPlunge: 70°   semiIntermediateAxisLength: 20km   intermediateAxisAzimuth: 262°   intermediateAxisPlunge: 8°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.5X [1]    Td: -s [0]    Td*T50Ex: - [0]    To: 0.8Xs [1]
Closest plate boundaries:
   Eurasia \ Africa [subduction zone]: distance: ~710km
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:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       12km
       12km
       12km
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.1786185766012.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 304°   dip: 44°   rake: -48°
Nodal Plane 2: strike: 72°   dip: 59°   rake: -123°
Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 6.1   misfit: 0.00   stationDistributionRatio: 0.48   meanDistP: 48.7   meanDistT: 45.1   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1786185766012.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.1786185766012.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 265°   dip: 28°   rake: -81°
Nodal Plane 2: strike: 74°   dip: 63°   rake: -95°
Quality: azimuthalGap: 101°   stationPolarityCount: 10   misfit: 0.27   stationDistributionRatio: 0.76   rmsAngDiffAccPref: 39.72   fracAcc30degPref: 0.53   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1786185766012.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1786185766012
Event info last updated: 2026.08.08-11:41:02 UTC
Event first association/location: 2026.08.08-10:45:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA