Early-est:     Finland    2025.08.01-17:46:05.46    q:C      mb:4.2*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754070365580.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754070365580.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754070365580.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: 4.2* [12]    Mwp: - [0]    Mwpd: - [0]
Region: Finland
Origin Time: 2025.08.01-17:46:05.46 UTC
Hypocenter: lat: 69.45°  lon: 26.95°  [+/-36km]    depth: 5km  [+/-40km]
Location Quality: qualityCode:  C     stdErr: 1.9s   assocPhases: 15   usedPhases: 11
minDist: 18.8°   maxDist: 68.8°   AzGap: 213°   2ndAzGap: 261°   atten: -1.07 [+/-0.58]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 26km   maxHorUnc: 36km   azMaxHorUnc: 154°
68%ConfEllipsoid:   semiMajorAxisLength: 46km   majorAxisAzimuth: 329°   majorAxisPlunge: 25°   semiIntermediateAxisLength: 39km   intermediateAxisAzimuth: 188°   intermediateAxisPlunge: 59°   semiMinorAxisLength: 31km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.2 [4]    Td: 1.2Xs [1]    Td*T50Ex: - [0]    To: 18.6Xs [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:
       5km
       5km
       5km
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.1754070365580.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 15°   dip: 24°   rake: 111°
Nodal Plane 2: strike: 173°   dip: 68°   rake: 81°
Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 6.4   misfit: 0.12   stationDistributionRatio: 0.07   meanDistP: 55.4   meanDistT: 55.5   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754070365580.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.1754070365580.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: 336°   stationPolarityCount: 10   misfit: 0.99   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 38.55   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754070365580.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754070365580
Event info last updated: 2025.08.01-18:45:05 UTC
Event first association/location: 2025.08.01-18:03:04 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA