Early-est:     Southern Iran    2026.02.13-19:50:45.06    q:C      mb:4.3*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1771012226949.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1771012226949.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1771012226949.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: 4.3* [12]    Mwp: - [0]    Mwpd: - [0]
Region: Southern Iran
Origin Time: 2026.02.13-19:50:45.06 UTC
Hypocenter: lat: 27.64°  lon: 52.49°  [+/-12km]    depth: 237km  [+/-19km]
Location Quality: qualityCode:  C     stdErr: 1.3s   assocPhases: 33   usedPhases: 12
minDist: 14.1°   maxDist: 64.0°   AzGap: 120°   2ndAzGap: 212°   atten: -0.75 [+/-0.44]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 9km   maxHorUnc: 12km   azMaxHorUnc: 2°
68%ConfEllipsoid:   semiMajorAxisLength: 21km   majorAxisAzimuth: 355°   majorAxisPlunge: 57°   semiIntermediateAxisLength: 12km   intermediateAxisAzimuth: 215°   intermediateAxisPlunge: 26°   semiMinorAxisLength: 10km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 78%
T50Ex: 0.4 [7]    Td: -s [0]    Td*T50Ex: - [0]    To: 3.6s [7]
Closest plate boundaries:
   Arabia - Eurasia [continental convergent boundary]: distance: ~10km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 YES (10km)
 no
Prob underwater:
 78%
 78%
 78%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       237km
       237km
       237km
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.1771012226949.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 162°   dip: 76°   rake: 177°
Nodal Plane 2: strike: 252°   dip: 87°   rake: 14°
Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 5.3   misfit: 0.00   stationDistributionRatio: 0.45   meanDistP: 52.2   meanDistT: 48.1   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1771012226949.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.1771012226949.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 153°   dip: 83°   rake: -179°
Nodal Plane 2: strike: 63°   dip: 89°   rake: -7°
Quality: azimuthalGap: 119°   stationPolarityCount: 9   misfit: 0.10   stationDistributionRatio: 0.79   rmsAngDiffAccPref: 43.31   fracAcc30degPref: 0.38   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1771012226949.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1771012226949
Event info last updated: 2026.02.13-20:49:00 UTC
Event first association/location: 2026.02.13-20:02:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA