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Moderate magnitude 4.6 earthquake at 99 km depth
22 Oct 08:11 UTC: First to report: VolcanoDiscovery after 5 minutes.
22 Oct 08:17: Now using data updates from BMKG
22 Oct 08:19: Magnitude recalculated from 5.5 to 5.3. Hypocenter depth recalculated from 10.00 to 79.00 km (from 6.2 to 49 mi). Epicenter location corrected by 89 km (55 mi) towards SW.
22 Oct 08:23: Now using data updates from USGS
Update Thu, 22 Oct 2026, 08:18
Significant magnitude 5.5 earthquake 61 km east of Saipan, Northern Mariana IslandsAn earthquake of magnitude 5.5 occurred early evening on Thursday, October 22nd, 2026, at 6:06 pm local time near Saipan, Northern Mariana Islands, as reported by Indonesia’s Meteorology, Climatology, and Geophysical Agency.
According to preliminary data, the quake was located at a shallow depth of 10. km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
Weak shaking might have been felt in Saipan (pop. 48,200)
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