Earthquake Report

Magnitude: 2.5
Thu September 11, 1969 05:21PM (PDT)
Event Id: 10835678
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.5 Md (Explosion)
Time: Thu September 11, 1969 05:21PM (PDT)
Fri September 12, 1969 00:21 (UTC)
Distance From: 56.0 km ( 34.8 mi) N ( 352. azimuth) from Walla Walla, Wa
62.7 km ( 39.0 mi) ESE ( 117. azimuth) from Othello, WA
62.8 km ( 39.0 mi) NE ( 54. azimuth) from Pasco, WA
Coordinates: 46.568, -118.436
Depth: 4.08 Km (2.49 miles)
Location Quality: Poor
Event Id: 10835678
Horizontal Uncertainty: 9.825 Km
Depth Uncertainty: 34.77 Km
Azimuthal Gap: 257.0 deg
Number of Phases: 9
RMS Misfit: 0.54

Historic Activity

Historic_map_icon
10835678

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.