Early-est:     Nepal    2024.12.20-22:29:09.26    q:C      mb:5.1*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734733748844.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734733748844.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734733748844.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: 5.1* [33]    Mwp: - [0]    Mwpd: - [0]
Region: Nepal
Origin Time: 2024.12.20-22:29:09.26 UTC
Hypocenter: lat: 29.83°  lon: 81.20°  [+/-35km]    depth: 15km  [+/-41km]
Location Quality: qualityCode:  C     stdErr: 1.6s   assocPhases: 62   usedPhases: 38
minDist: 11.2°   maxDist: 148.8°   AzGap: 161°   2ndAzGap: 187°   atten: -1.04 [+/-0.30]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 26km   maxHorUnc: 35km   azMaxHorUnc: 169°
68%ConfEllipsoid:   semiMajorAxisLength: 47km   majorAxisAzimuth: 342°   majorAxisPlunge: 37°   semiIntermediateAxisLength: 38km   intermediateAxisAzimuth: 198°   intermediateAxisPlunge: 47°   semiMinorAxisLength: 31km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.5 [21]    Td: 0.5Xs [1]    Td*T50Ex: - [0]    To: 30.7s [17]
Closest plate boundaries:
   Eurasia - India [continental convergent boundary]: distance: ~110km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 YES (110km)
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       15km
       15km
       15km
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.1734733748844.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 56°   dip: 3°   rake: -117°
Nodal Plane 2: strike: 263°   dip: 87°   rake: -89°
Quality: azimuthalGap: -1°   stationPolarityCount: 36   misfitWeightCount: 7.6   misfit: 0.14   stationDistributionRatio: 0.68   meanDistP: 44.4   meanDistT: 32.9   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734733748844.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.1734733748844.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: 187°   stationPolarityCount: 36   misfit: 0.99   stationDistributionRatio: 0.73   rmsAngDiffAccPref: 35.96   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734733748844.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734733748844
Event info last updated: 2024.12.20-23:28:00 UTC
Event first association/location: 2024.12.20-22:37:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA