Early-est:     Mozambique Channel    2026.02.07-20:42:44.31    q:C      mb:4.6*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1770496964203.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1770496964203.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1770496964203.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: 4.6* [14]    Mwp: - [0]    Mwpd: - [0]
Region: Mozambique Channel
Origin Time: 2026.02.07-20:42:44.31 UTC
Hypocenter: lat: -17.30°  lon: 40.17°  [+/-18km]    depth: 5km  [+/-16km]
Location Quality: qualityCode:  C     stdErr: 2.1s   assocPhases: 44   usedPhases: 11
minDist: 12.7°   maxDist: 149.8°   AzGap: 109°   2ndAzGap: 155°   atten: -2.07 [+/-1.38]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 18km   azMaxHorUnc: 127°
68%ConfEllipsoid:   semiMajorAxisLength: 24km   majorAxisAzimuth: 306°   majorAxisPlunge: 22°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 212°   intermediateAxisPlunge: 8°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [9]    Td: -s [0]    Td*T50Ex: - [0]    To: 14.6s [9]
Closest plate boundaries:
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       5km
       5km
       5km
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.1770496964203.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 95°   dip: 13°   rake: 142°
Nodal Plane 2: strike: 223°   dip: 82°   rake: 80°
Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 6.1   misfit: 0.11   stationDistributionRatio: 0.55   meanDistP: 44.4   meanDistT: 45.8   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1770496964203.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.1770496964203.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 185°   dip: 72°   rake: 141°
Nodal Plane 2: strike: 290°   dip: 53°   rake: 23°
Quality: azimuthalGap: 109°   stationPolarityCount: 20   misfit: 0.27   stationDistributionRatio: 0.73   rmsAngDiffAccPref: 45.31   fracAcc30degPref: 0.52   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1770496964203.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1770496964203
Event info last updated: 2026.02.07-21:41:01 UTC
Event first association/location: 2026.02.07-21:20:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA