Early-est:     Rat Islands, Aleutian Islands    2026.02.14-07:10:02.90    q:A      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1771052996295.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1771052996295.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1771052996295.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* [57]    Mwp: - [0]    Mwpd: - [0]
Region: Rat Islands, Aleutian Islands
Origin Time: 2026.02.14-07:10:02.90 UTC
Hypocenter: lat: 51.96°  lon: 178.48°  [+/-14km]    depth: 92km  [+/-18km]
Location Quality: qualityCode:  A     stdErr: 1.3s   assocPhases: 95   usedPhases: 70
minDist: 2.8°   maxDist: 149.3°   AzGap: 95°   2ndAzGap: 115°   atten: -1.19 [+/-0.27]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 14km   azMaxHorUnc: 9°
68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 21°   majorAxisPlunge: 54°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 177°   intermediateAxisPlunge: 34°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 95%
T50Ex: 0.0 [32]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.4s [32]
Closest plate boundaries:
   North America / Pacific [subduction zone]: distance: ~150km
Subduction geometry:    Zone: Alaska-Aleutians: 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 (150km)
 no
 no
Prob underwater:
 95%
 95%
 95%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       92km
       92km
       92km
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.1771052996295.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 116°   dip: 70°   rake: -160°
Nodal Plane 2: strike: 19°   dip: 71°   rake: -21°
Quality: azimuthalGap: -1°   stationPolarityCount: 62   misfitWeightCount: 11.6   misfit: 0.12   stationDistributionRatio: 0.54   meanDistP: 33.2   meanDistT: 37.3   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1771052996295.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.1771052996295.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 113°   dip: 75°   rake: -154°
Nodal Plane 2: strike: 16°   dip: 65°   rake: -17°
Quality: azimuthalGap: 83°   stationPolarityCount: 62   misfit: 0.28   stationDistributionRatio: 0.62   rmsAngDiffAccPref: 14.18   fracAcc30degPref: 0.99   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1771052996295.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1771052996295
Event info last updated: 2026.02.14-08:09:00 UTC
Event first association/location: 2026.02.14-07:18:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA