<?xml version="1.0" encoding="UTF-8"?>
<seiscomp xmlns="http://geofon.gfz.de/ns/seiscomp-schema/0.14" version="0.14"><EventParameters><origin publicID="NLL.20260421150447.581496.344735"><time><value>2026-04-20T05:46:35.007985Z</value></time><latitude><value>28.87237133273918</value><uncertainty>2.6769503389168747</uncertainty></latitude><longitude><value>-99.03756455151057</value><uncertainty>0.8002859959035888</uncertainty></longitude><depth><value>6.920341486104905</value><uncertainty>1.5275413424054378</uncertainty></depth><methodID>NonLinLoc</methodID><earthModelID>EF1D-20250701</earthModelID><quality><associatedPhaseCount>30</associatedPhaseCount><usedPhaseCount>15</usedPhaseCount><usedStationCount>12</usedStationCount><standardError>0.2300029251208501</standardError><azimuthalGap>83.725173939384</azimuthalGap><secondaryAzimuthalGap>144.66268216573246</secondaryAzimuthalGap><groundTruthLevel>-</groundTruthLevel><maximumDistance>0.6324054714088945</maximumDistance><minimumDistance>0.06515920927892506</minimumDistance><medianDistance>0.5767067781408106</medianDistance></quality><uncertainty><horizontalUncertainty>4.084438841989316</horizontalUncertainty><minHorizontalUncertainty>1.1279881064364463</minHorizontalUncertainty><maxHorizontalUncertainty>4.084438841989316</maxHorizontalUncertainty><azimuthMaxHorizontalUncertainty>6.552896736779871</azimuthMaxHorizontalUncertainty><confidenceEllipsoid><semiMajorAxisLength>5194.319160389875</semiMajorAxisLength><semiMinorAxisLength>1280.376260937486</semiMinorAxisLength><semiIntermediateAxisLength>2678.347232598944</semiIntermediateAxisLength><majorAxisPlunge>105.18898320461014</majorAxisPlunge><majorAxisAzimuth>-95.73503538841857</majorAxisAzimuth><majorAxisRotation>76.61893255066322</majorAxisRotation></confidenceEllipsoid></uncertainty><evaluationMode>manual</evaluationMode><evaluationStatus>final</evaluationStatus><creationInfo><agencyID>TXNet</agencyID><creationTime>2026-04-21T15:04:47.941777Z</creationTime><modificationTime>2026-04-21T15:05:06.990228Z</modificationTime></creationInfo><magnitude publicID="Magnitude/20260421150449.388522.344747"><magnitude><value>1.5173660753712628</value><uncertainty>0.1496378498293482</uncertainty></magnitude><type>ML(TexNet)</type><methodID>trimmed mean</methodID><stationCount>8</stationCount><evaluationStatus>confirmed</evaluationStatus><creationInfo><agencyID>TXNet</agencyID><creationTime>2026-04-21T15:05:00.39351Z</creationTime></creationInfo></magnitude></origin><event publicID="tx2026hsnqqb"><preferredOriginID>NLL.20260421150447.581496.344735</preferredOriginID><preferredMagnitudeID>Magnitude/20260421150449.388522.344747</preferredMagnitudeID><type>earthquake</type><typeCertainty>known</typeCertainty><creationInfo><agencyID>TXNet</agencyID><creationTime>2026-04-20T10:23:30.821405Z</creationTime><modificationTime>2026-04-21T15:05:07.404646Z</modificationTime></creationInfo><description><text>Southern Texas</text><type>region name</type></description><originReference>NLL.20260421150447.581496.344735</originReference></event></EventParameters></seiscomp>
