Early-est:     Tunisia    2025.02.03-09:45:08.52    q:A      mb:4.9    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1738575907629.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1738575907629.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1738575907629.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1738575907629.mech.fmamp_amp_mwp.thumb.jpg

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details:
Magnitude: mb: 4.9 [73]    Mwp: - [0]    Mwpd: - [0]
Region: Tunisia
Origin Time: 2025.02.03-09:45:08.52 UTC
Hypocenter: lat: 34.54°  lon: 9.57°  [+/-6km]    depth: 16km  [+/-8km]
Location Quality: qualityCode:  A     stdErr: 1.8s   assocPhases: 109   usedPhases: 86
minDist: 1.2°   maxDist: 147.9°   AzGap: 54°   2ndAzGap: 62°   atten: -0.80 [+/-0.12]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 5km   maxHorUnc: 6km   azMaxHorUnc: 61°
68%ConfEllipsoid:   semiMajorAxisLength: 8km   majorAxisAzimuth: 245°   majorAxisPlunge: 35°   semiIntermediateAxisLength: 8km   intermediateAxisAzimuth: 47°   intermediateAxisPlunge: 53°   semiMinorAxisLength: 7km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.3 [47]    Td: 1.2Xs [2]    Td*T50Ex: - [0]    To: 1.7s [30]
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:
       16km
       16km
       16km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1738575907629.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 217°   dip: 70°   rake: 6°
Nodal Plane 2: strike: 125°   dip: 85°   rake: 159°
Quality: azimuthalGap: -1°   stationPolarityCount: 75   misfitWeightCount: 18.8   misfit: 0.24   stationDistributionRatio: 0.46   meanDistP: 60.5   meanDistT: 31.8   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1738575907629.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 116°   dip: 85°   rake: 168°
Nodal Plane 2: strike: 207°   dip: 78°   rake: 5°
Quality: azimuthalGap: 54°   stationPolarityCount: 75   misfit: 0.35   stationDistributionRatio: 0.70   rmsAngDiffAccPref: 43.63   fracAcc30degPref: 0.36   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1738575907629.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (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/_amp_aref
./hypo.1738575907629.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (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/_amp_mwp
./hypo.1738575907629.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1738575907629
Event info last updated: 2025.02.03-10:45:24 UTC
Event first association/location: 2025.02.03-09:49:13 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI