Earthquake Report

Magnitude: 1.7
Tue April 21, 1970 07:42PM (PST)
Event Id: 10836373
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.7 Md
Time: Tue April 21, 1970 07:42PM (PST)
Wed April 22, 1970 03:42 (UTC)
Distance From: 21.7 km ( 13.5 mi) WNW ( 286. azimuth) from Othello, WA
29.8 km ( 18.5 mi) SSW ( 204. azimuth) from Moses Lake, WA
37.0 km ( 23.0 mi) N ( 11. azimuth) from Hanford-200E, WA
Coordinates: 46.881, -119.442
Depth: 0.7 Km (0.43 miles)
Location Quality: Excellent
Event Id: 10836373
Horizontal Uncertainty: 0.354 Km
Depth Uncertainty: 0.48 Km
Azimuthal Gap: 146.0 deg
Number of Phases: 8
RMS Misfit: 0.06

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.