<?xml version="1.0" encoding="UTF-8"?>
<seiscomp xmlns="http://geofon.gfz-potsdam.de/ns/seiscomp3-schema/0.13" version="0.13"><EventParameters><origin publicID="Origin/20251208142848.029137.821922"><time><value>2025-12-08T14:15:12.491253Z</value><uncertainty>0.4884549677371979</uncertainty></time><latitude><value>41.07072448730469</value><uncertainty>2.564305305480957</uncertainty></latitude><longitude><value>142.16201782226562</value><uncertainty>2.569216012954712</uncertainty></longitude><depth><value>57.88589096069336</value><uncertainty>4.749514102935791</uncertainty></depth><depthType>from location</depthType><methodID>LOCSAT</methodID><earthModelID>iasp91</earthModelID><quality><associatedPhaseCount>128</associatedPhaseCount><usedPhaseCount>112</usedPhaseCount><associatedStationCount>128</associatedStationCount><usedStationCount>112</usedStationCount><depthPhaseCount>0</depthPhaseCount><standardError>0.7390234803958866</standardError><azimuthalGap>40.85741424560547</azimuthalGap><maximumDistance>86.76841735839844</maximumDistance><minimumDistance>4.274014949798584</minimumDistance><medianDistance>71.18890380859375</medianDistance></quality><uncertainty><minHorizontalUncertainty>4.579124927520752</minHorizontalUncertainty><maxHorizontalUncertainty>6.274093151092529</maxHorizontalUncertainty><azimuthMaxHorizontalUncertainty>134.8202362060547</azimuthMaxHorizontalUncertainty><preferredDescription>horizontal uncertainty</preferredDescription></uncertainty><evaluationMode>automatic</evaluationMode><evaluationStatus>confirmed</evaluationStatus><creationInfo><agencyID>gempa</agencyID><creationTime>2025-12-08T14:28:48.029147Z</creationTime><modificationTime>2025-12-08T14:29:38.995037Z</modificationTime></creationInfo><comment><text>0.68</text><id>mismatchScore</id><creationInfo><creationTime>2025-12-08T14:29:38.994978Z</creationTime><modificationTime>2025-12-08T14:29:38.995045Z</modificationTime></creationInfo></comment><comment><text>extendedGap</text><id>scevalMethod</id><creationInfo><creationTime>2025-12-08T14:29:38.995026Z</creationTime></creationInfo></comment><magnitude publicID="Origin/20251208142848.029137.821922/netMag/M"><magnitude><value>7.424278533845452</value></magnitude><type>M</type><methodID>weighted average</methodID><stationCount>84</stationCount><creationInfo><agencyID>gempa</agencyID><creationTime>2025-12-08T14:29:39.014933Z</creationTime></creationInfo></magnitude></origin><origin publicID="Origin/20251208142822.527492.872183"><time><value>2025-12-08T14:15:12.958347Z</value></time><latitude><value>41.048683166503906</value></latitude><longitude><value>142.19772338867188</value></longitude><depth><value>40</value></depth><depthType>from moment tensor inversion</depthType><methodID>FocalMechanism</methodID><earthModelID>qseis_ak135f_continental</earthModelID><quality><usedPhaseCount>15</usedPhaseCount><associatedStationCount>8</associatedStationCount><usedStationCount>8</usedStationCount><azimuthalGap>212.28927741886952</azimuthalGap><maximumDistance>12.585083716317843</maximumDistance><minimumDistance>4.278394988892659</minimumDistance></quality><type>hypocenter</type><creationInfo><agencyID>gempa</agencyID><creationTime>2025-12-08T14:28:22.52744Z</creationTime></creationInfo></origin><focalMechanism publicID="FocalMechanism/20251208142822.527463.872182"><triggeringOriginID>Origin/20251208142747.757305.821796</triggeringOriginID><nodalPlanes><nodalPlane1><strike><value>173.64989227177492</value></strike><dip><value>27.604582732620585</value></dip><rake><value>53.06378789774708</value></rake></nodalPlane1><nodalPlane2><strike><value>33.96065230089315</value></strike><dip><value>68.26146939827645</value></dip><rake><value>107.44362997110368</value></rake></nodalPlane2></nodalPlanes><principalAxes><tAxis><azimuth><value>331.47300469295726</value></azimuth><plunge><value>62.68617724905042</value></plunge><length><value>1.76521520621429e+20</value></length></tAxis><pAxis><azimuth><value>110.80196657920877</value></azimuth><plunge><value>21.390484651631876</value></plunge><length><value>-1.8252722999874624e+20</value></length></pAxis><nAxis><azimuth><value>207.32259042187448</value></azimuth><plunge><value>16.167658319495715</value></plunge><length><value>6.005709377317247e+18</value></length></nAxis></principalAxes><azimuthalGap>212.28927741886952</azimuthalGap><misfit>0.07526363393305369</misfit><evaluationMode>automatic</evaluationMode><creationInfo><agencyID>gempa</agencyID><creationTime>2025-12-08T14:28:22.52744Z</creationTime></creationInfo><momentTensor publicID="MomentTensor/20251208142822.527514.872185"><derivedOriginID>Origin/20251208142822.527492.872183</derivedOriginID><momentMagnitudeID>Magnitude/20251208142822.527503.872184</momentMagnitudeID><scalarMoment><value>1.7959970138984304e+20</value></scalarMoment><tensor><Mrr><value>1.1553930069950143e+20</value></Mrr><Mtt><value>1.3104803773316968e+19</value></Mtt><Mpp><value>-1.286441044728184e+20</value></Mpp><Mrt><value>8.3817626265428148e+19</value></Mrt><Mrp><value>9.3052769632459882e+19</value></Mrp><Mtp><value>-3.9200185949022831e+19</value></Mtp></tensor><varianceReduction>0.9247363660669463</varianceReduction><doubleCouple>0.9341938254652908</doubleCouple><clvd>0.06580617453470915</clvd><greensFunctionID>sc3gf1d:/qseis_ak135f_continental</greensFunctionID><filterID>BP 90s-300s</filterID><creationInfo><agencyID>gempa</agencyID><creationTime>2025-12-08T14:28:22.52744Z</creationTime></creationInfo><dataUsed><waveType>body waves</waveType><stationCount>8</stationCount><componentCount>8</componentCount></dataUsed><dataUsed><waveType>surface waves</waveType><stationCount>7</stationCount><componentCount>7</componentCount></dataUsed></momentTensor></focalMechanism><event publicID="rs2025ydazbl"><preferredOriginID>Origin/20251208142848.029137.821922</preferredOriginID><preferredMagnitudeID>Origin/20251208142848.029137.821922/netMag/M</preferredMagnitudeID><preferredFocalMechanismID>FocalMechanism/20251208142822.527463.872182</preferredFocalMechanismID><creationInfo><agencyID>gempa</agencyID><creationTime>2025-12-08T14:22:29.356779Z</creationTime><modificationTime>2025-12-08T14:29:39.357088Z</modificationTime></creationInfo><description><text>Hokkaido, Japan Region</text><type>region name</type></description><originReference>Origin/20251208142848.029137.821922</originReference><focalMechanismReference>FocalMechanism/20251208142822.527463.872182</focalMechanismReference></event></EventParameters></seiscomp>
