M 4.2 - 4 km SSW of Isleton, CA

Date & time: 2023-10-18 16:29:14 (UTC)
Local time at epicenter: Wednesday, Oct 18, 2023 at 9:29 am
Latitude/ Longitude: 38.126°N 121.632°W
Epicenter: River Delta Joint Unified School District, CA, USA
Magnitude: 4.2
Depth: 10.8 km


Waveform
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ShakeMap

Nearby towns/cities
  • 4.5 km (2.8 mi) SSW of Isleton, California
  • 6.1 km (3.8 mi) ESE of Rio Vista, California
  • 12.4 km (7.7 mi) N of Bethel Island, California
  • 33.5 km (20.8 mi) WNW of Stockton, California
  • 37.9 km (23.5 mi) ENE of Concord, California

MMI (Modified Mercalli Intensity) Scale:
  • V Rio Vista
  • IV Bethel Island
  • IV Walnut Grove
  • IV Oakley
  • IV Knightsen
  • IV Discovery Bay
  • II Sacramento
  • II San Francisco
  • II San Jose

Sources:
  • USGS: M 4.2 - 4 km SSW of Isleton, CA
  • IRIS 

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