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Passive Seismic Data of the Napa Valley

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water

N85 – 3rd Ave

August 11, 2020August 8, 2020 by Stefan Burns

Thick alluvium transitions to hard volcanics at depth, and a well on-site gives clues to the water table. One passive seismic survey collected data to a depth of 113 meters. Total survey time was 3 hours.

Categories N-Surveys Tags 110, creek, volcanic, water, well Leave a comment

N83 – Randolf Graves

August 8, 2020August 6, 2020 by Stefan Burns

Late night river survey with help from a geology enthusiast. One passive seismic survey collected data to a depth of 320 meters. Total survey time was 2 hours.

Categories N-Surveys Tags 300m, river, water Leave a comment

N81 – Napa Plums

July 23, 2020July 19, 2020 by Stefan Burns

A well on-site gives a clue to the water table. One passive seismic survey collected data to a depth of 62 meters. Total survey time was 1 hour.

Categories N-Surveys Tags 60m, water, well

N80 – Redwood Creek

July 19, 2020July 18, 2020 by Stefan Burns

Located next to Redwood Creek in Napa, two passive seismic surveys were done in order to get data to a depth of 155 meters. Total survey time was 3 hours.

Categories N-Surveys Tags 150m, water Leave a comment

N32 – Napa River

July 19, 2020May 23, 2020 by Stefan Burns

Sensors were placed on both sides of the Napa River for this survey. Data was observed to a depth of 155 meters. Total survey time was 1.5 hours.

Categories N-Surveys Tags 150m, oxbow, river, water Leave a comment

N2 – Oxbow Commons

July 19, 2020May 2, 2020 by Stefan Burns

Located at the Oxbow Commons in the Napa River overflow, this passive seismic survey achieved a depth of 42 meters. Total survey time was 1 hour.

Categories N-Surveys Tags 40m, oxbow, river, water Leave a comment

N1 – Solomon Memorial Grove

July 19, 2020May 2, 2020 by Stefan Burns

Located at the Solomon Memorial Grove near the Napa River downtown, this passive seismic survey was the very first for the NVSP and achieved a depth of 56 meters. Total survey time was 1 hour.

Categories N-Surveys Tags 50m, triangle, water Leave a comment

Recent Posts

  • N85 – 3rd Ave
  • N84 – North Ave
  • N83 – Randolf Graves
  • California Earthquakes – A Pattern
  • N81 – Napa Plums

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