Early-est:     Off Coast of Southern Chile    2024.12.21-09:13:05.29    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734772385343.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734772385343.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734772385343.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: 5.0* [4]    Mwp: - [0]    Mwpd: - [0]
Region: Off Coast of Southern Chile
Origin Time: 2024.12.21-09:13:05.29 UTC
Hypocenter: lat: -40.41°  lon: -75.40°  [+/-7km]    depth: 18km  [+/-9km]
Location Quality: qualityCode:  B     stdErr: 0.9s   assocPhases: 15   usedPhases: 10
minDist: 3.0°   maxDist: 12.0°   AzGap: 205°   2ndAzGap: 248°   atten: -1.65 [+/-1.06]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 7km   maxHorUnc: 7km   azMaxHorUnc: 124°
68%ConfEllipsoid:   semiMajorAxisLength: 9km   majorAxisAzimuth: 149°   majorAxisPlunge: 53°   semiIntermediateAxisLength: 8km   intermediateAxisAzimuth: 245°   intermediateAxisPlunge: 4°   semiMinorAxisLength: 8km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [6]    Td: 0.1Xs [1]    Td*T50Ex: - [0]    To: 2.3s [5]
Closest plate boundaries:
   Nazca \ South America [subduction zone]: distance: ~20km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (20km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       18km
       18km
       18km
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.1734772385343.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 118°   dip: 19°   rake: -173°
Nodal Plane 2: strike: 21°   dip: 88°   rake: -71°
Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 2.6   misfit: 0.02   stationDistributionRatio: 0.34   meanDistP: 48.1   meanDistT: 47.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734772385343.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.1734772385343.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: 249°   stationPolarityCount: 8   misfit: 0.99   stationDistributionRatio: 0.52   rmsAngDiffAccPref: 46.39   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734772385343.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734772385343
Event info last updated: 2024.12.21-10:12:00 UTC
Event first association/location: 2024.12.21-09:23:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA