Early-est:     Northwestern Balkan Region    2025.08.02-10:08:25.99    q:A      mb:4.1*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754129306971.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754129306971.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754129306971.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: 4.1* [5]    Mwp: - [0]    Mwpd: - [0]
Region: Northwestern Balkan Region
Origin Time: 2025.08.02-10:08:25.99 UTC
Hypocenter: lat: 43.28°  lon: 17.64°  [+/-4km]    depth: 20km  [+/-7km]
Location Quality: qualityCode:  A     stdErr: 1.4s   assocPhases: 21   usedPhases: 16
minDist: 1.5°   maxDist: 116.0°   AzGap: 62°   2ndAzGap: 66°   atten: -1.78 [+/-0.25]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 2km   maxHorUnc: 4km   azMaxHorUnc: 84°
68%ConfEllipsoid:   semiMajorAxisLength: 7km   majorAxisAzimuth: 58°   majorAxisPlunge: 86°   semiIntermediateAxisLength: 5km   intermediateAxisAzimuth: 264°   intermediateAxisPlunge: 3°   semiMinorAxisLength: 2km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.5 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 9.6Xs [3]
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:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       20km
       20km
       20km
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.1754129306971.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 123°   dip: 7°   rake: -16°
Nodal Plane 2: strike: 229°   dip: 88°   rake: -97°
Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 3.7   misfit: 0.04   stationDistributionRatio: 0.34   meanDistP: 51.3   meanDistT: 47.5   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754129306971.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.1754129306971.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 360°   dip: 84°   rake: 94°
Nodal Plane 2: strike: 146°   dip: 7°   rake: 56°
Quality: azimuthalGap: 89°   stationPolarityCount: 9   misfit: 0.34   stationDistributionRatio: 0.81   rmsAngDiffAccPref: 52.34   fracAcc30degPref: 0.21   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754129306971.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754129306971
Event info last updated: 2025.08.02-11:07:00 UTC
Event first association/location: 2025.08.02-10:14:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA