Early-est:     Northern Chile    2024.12.13-22:00:10.25    q:B      mb:4.7*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734127211630.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734127211630.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734127211630.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: 4.7* [21]    Mwp: 5.3X [1]    Mwpd: 5.5Xinv [1]
Region: Northern Chile
Origin Time: 2024.12.13-22:00:10.25 UTC
Hypocenter: lat: -22.11°  lon: -68.65°  [+/-10km]    depth: 102km  [+/-13km]
Location Quality: qualityCode:  B     stdErr: 1.5s   assocPhases: 49   usedPhases: 23
minDist: 3.2°   maxDist: 154.3°   AzGap: 84°   2ndAzGap: 85°   atten: -0.97 [+/-0.27]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 6km   maxHorUnc: 10km   azMaxHorUnc: 113°
68%ConfEllipsoid:   semiMajorAxisLength: 15km   majorAxisAzimuth: 288°   majorAxisPlunge: 47°   semiIntermediateAxisLength: 10km   intermediateAxisAzimuth: 128°   intermediateAxisPlunge: 41°   semiMinorAxisLength: 7km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.6 [15]    Td: 4.2Xs [2]    Td*T50Ex: - [0]    To: 1.6s [14]
Closest plate boundaries:
   Altiplano - South America [continental rift boundary]: distance: ~80km
   Nazca \ South America [subduction zone]: distance: ~270km
   Nazca \ Altiplano [subduction zone]: distance: ~270km
Subduction geometry:    Zone: South America: DEBUG: error: [Errno 2] No such file or directory: 'gmt'    Slab depth at epicenter: error: evaluating slab depth: -999.9
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (270km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       102km
       102km
       102km
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.1734127211630.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 334°   dip: 30°   rake: -4°
Nodal Plane 2: strike: 68°   dip: 88°   rake: -120°
Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 5.8   misfit: 0.05   stationDistributionRatio: 0.44   meanDistP: 48.1   meanDistT: 53.6   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734127211630.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.1734127211630.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 351°   dip: 9°   rake: 25°
Nodal Plane 2: strike: 236°   dip: 86°   rake: 98°
Quality: azimuthalGap: 136°   stationPolarityCount: 20   misfit: 0.26   stationDistributionRatio: 0.64   rmsAngDiffAccPref: 32.70   fracAcc30degPref: 0.64   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734127211630.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734127211630
Event info last updated: 2024.12.13-22:59:01 UTC
Event first association/location: 2024.12.13-22:05:04 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA