Early-est:     Armenia - Azerbaijan - Iran Bord Reg    2024.12.20-23:01:58.36    q:B      mb:4.5*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734735719246.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734735719246.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734735719246.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: 4.5* [17]    Mwp: - [0]    Mwpd: - [0]
Region: Armenia - Azerbaijan - Iran Bord Reg
Origin Time: 2024.12.20-23:01:58.36 UTC
Hypocenter: lat: 39.93°  lon: 46.27°  [+/-22km]    depth: 9km  [+/-16km]
Location Quality: qualityCode:  B     stdErr: 2.6s   assocPhases: 24   usedPhases: 19
minDist: 1.2°   maxDist: 43.4°   AzGap: 61°   2ndAzGap: 108°   atten: -0.75 [+/-0.38]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 15km   maxHorUnc: 22km   azMaxHorUnc: 38°
68%ConfEllipsoid:   semiMajorAxisLength: 28km   majorAxisAzimuth: 218°   majorAxisPlunge: 3°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 128°   intermediateAxisPlunge: 0°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.5 [10]    Td: 1.4Xs [2]    Td*T50Ex: - [0]    To: 20.7s [9]
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:
       9km
       9km
       9km
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.1734735719246.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 179°   dip: 28°   rake: -155°
Nodal Plane 2: strike: 66°   dip: 79°   rake: -64°
Quality: azimuthalGap: -1°   stationPolarityCount: 19   misfitWeightCount: 6.9   misfit: 0.02   stationDistributionRatio: 0.47   meanDistP: 47.9   meanDistT: 42.8   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734735719246.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.1734735719246.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 208°   dip: 80°   rake: 166°
Nodal Plane 2: strike: 300°   dip: 76°   rake: 11°
Quality: azimuthalGap: 61°   stationPolarityCount: 17   misfit: 0.12   stationDistributionRatio: 0.70   rmsAngDiffAccPref: 37.88   fracAcc30degPref: 0.37   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734735719246.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734735719246
Event info last updated: 2024.12.21-00:00:00 UTC
Event first association/location: 2024.12.20-23:07:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA