Early-est:     Sicily, Italy    2026.02.09-13:50:42.47    q:B      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1770645043835.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1770645043835.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1770645043835.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: 4.0X [3]    Mwp: - [0]    Mwpd: - [0]
Region: Sicily, Italy
Origin Time: 2026.02.09-13:50:42.47 UTC
Hypocenter: lat: 38.61°  lon: 14.07°  [+/-6km]    depth: 14km  [+/-7km]
Location Quality: qualityCode:  B     stdErr: 1.1s   assocPhases: 17   usedPhases: 11
minDist: 0.6°   maxDist: 9.5°   AzGap: 111°   2ndAzGap: 139°   atten: -2.08 [+/-0.92]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 4km   maxHorUnc: 6km   azMaxHorUnc: 103°
68%ConfEllipsoid:   semiMajorAxisLength: 8km   majorAxisAzimuth: 103°   majorAxisPlunge: 33°   semiIntermediateAxisLength: 6km   intermediateAxisAzimuth: 280°   intermediateAxisPlunge: 57°   semiMinorAxisLength: 5km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.6X [1]    Td: -s [0]    Td*T50Ex: - [0]    To: -s [0]
Closest plate boundaries:
   Eurasia \ Africa [subduction zone]: distance: ~10km
   Eurasia - Africa [continental convergent boundary]: distance: ~40km
   Eurasia / Africa [subduction zone]: distance: ~180km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (10km)
 YES (40km)
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       14km
       14km
       14km
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.1770645043835.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 123°   dip: 18°   rake: 32°
Nodal Plane 2: strike: 3°   dip: 81°   rake: 106°
Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 4.1   misfit: 0.00   stationDistributionRatio: 0.51   meanDistP: 44.7   meanDistT: 50.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1770645043835.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.1770645043835.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 162°   dip: 10°   rake: 83°
Nodal Plane 2: strike: 348°   dip: 80°   rake: 91°
Quality: azimuthalGap: 127°   stationPolarityCount: 8   misfit: 0.26   stationDistributionRatio: 0.87   rmsAngDiffAccPref: 43.32   fracAcc30degPref: 0.41   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1770645043835.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1770645043835
Event info last updated: 2026.02.09-14:49:02 UTC
Event first association/location: 2026.02.09-13:52:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA