Early-est:     Chile - Bolivia Border Region    2025.04.08-22:30:42.10    q:B      mb:5.2*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1744151451264.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1744151451264.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1744151451264.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: 5.2* [14]    Mwp: - [0]    Mwpd: - [0]
Region: Chile - Bolivia Border Region
Origin Time: 2025.04.08-22:30:42.10 UTC
Hypocenter: lat: -21.04°  lon: -68.56°  [+/-13km]    depth: 80km  [+/-15km]
Location Quality: qualityCode:  B     stdErr: 1.7s   assocPhases: 39   usedPhases: 29
minDist: 4.2°   maxDist: 163.6°   AzGap: 71°   2ndAzGap: 92°   atten: -1.11 [+/-0.42]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 13km   azMaxHorUnc: 61°
68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 239°   majorAxisPlunge: 40°   semiIntermediateAxisLength: 12km   intermediateAxisAzimuth: 135°   intermediateAxisPlunge: 17°   semiMinorAxisLength: 12km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.4 [13]    Td: 0.4Xs [1]    Td*T50Ex: - [0]    To: 6.6s [13]
Closest plate boundaries:
   Altiplano - South America [continental rift boundary]: distance: ~70km
   Nazca \ Altiplano [subduction zone]: distance: ~280km
   Nazca \ South America [subduction zone]: distance: ~300km
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 (280km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       80km
       80km
       80km
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.1744151451264.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 54°   dip: 58°   rake: 151°
Nodal Plane 2: strike: 160°   dip: 66°   rake: 35°
Quality: azimuthalGap: -1°   stationPolarityCount: 15   misfitWeightCount: 7.4   misfit: 0.11   stationDistributionRatio: 0.48   meanDistP: 45.6   meanDistT: 50.3   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1744151451264.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.1744151451264.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 226°   dip: 59°   rake: 139°
Nodal Plane 2: strike: 340°   dip: 56°   rake: 38°
Quality: azimuthalGap: 105°   stationPolarityCount: 15   misfit: 0.28   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 38.17   fracAcc30degPref: 0.53   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1744151451264.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1744151451264
Event info last updated: 2025.04.08-23:29:00 UTC
Event first association/location: 2025.04.08-22:37:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA