Early-est:     Off Coast of Southern Chile    2026.02.14-08:28:51.30    q:C      mb:4.9*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1771057731256.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1771057731256.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1771057731256.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: 4.9* [8]    Mwp: - [0]    Mwpd: - [0]
Region: Off Coast of Southern Chile
Origin Time: 2026.02.14-08:28:51.30 UTC
Hypocenter: lat: -48.47°  lon: -76.34°  [+/-20km]    depth: 9km  [+/-14km]
Location Quality: qualityCode:  C     stdErr: 1.8s   assocPhases: 14   usedPhases: 12
minDist: 5.8°   maxDist: 152.2°   AzGap: 88°   2ndAzGap: 141°   atten: -1.32 [+/-0.54]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 20km   azMaxHorUnc: 87°
68%ConfEllipsoid:   semiMajorAxisLength: 24km   majorAxisAzimuth: 87°   majorAxisPlunge: 8°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 192°   intermediateAxisPlunge: 62°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.7 [6]    Td: -s [0]    Td*T50Ex: - [0]    To: 113.3s [4]
Closest plate boundaries:
   Antarctica \ South America [subduction zone]: distance: ~40km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (40km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
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.1771057731256.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 124°   dip: 27°   rake: -54°
Nodal Plane 2: strike: 265°   dip: 69°   rake: -106°
Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 3.5   misfit: 0.09   stationDistributionRatio: 0.61   meanDistP: 47.6   meanDistT: 49.6   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1771057731256.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.1771057731256.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: 199°   stationPolarityCount: 9   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1771057731256.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1771057731256
Event info last updated: 2026.02.14-09:27:01 UTC
Event first association/location: 2026.02.14-08:51:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA