Earthquake Report

Magnitude: 1.6
Sun August 23, 1970 01:41AM (PDT)
Event Id: 10836828
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.6 Md
Time: Sun August 23, 1970 01:41AM (PDT)
Sun August 23, 1970 08:41 (UTC)
Distance From: 5.3 km ( 3.3 mi) SSW ( 207. azimuth) from Carnation, Wa
6.2 km ( 3.9 mi) NW ( 314. azimuth) from Fall City, WA
15.4 km ( 9.6 mi) S ( 169. azimuth) from Duvall, WA
Coordinates: 47.606, -121.947
Depth: 20.93 Km (12.77 miles)
Location Quality: Good
Event Id: 10836828
Horizontal Uncertainty: 1.02 Km
Depth Uncertainty: 1.3 Km
Azimuthal Gap: 225.0 deg
Number of Phases: 8
RMS Misfit: 0.11

Historic Activity


Map boundaries

 The red polygon is the reporting region for  this map; the black polygon is the authoritative region of the PNSN. Events inside the authoritative network are rendered as cirlces; events outside the authoritative region but inside the reporting region are rendered as squares. Explosions are always rendered as stars.  More

Cross Section

 Create a custom cross-section or depth-time plot. Click on "Custom Plot" to start.