Earthquake Report

Magnitude: 3.0
Sat July 11, 1970 03:24AM (PDT)
Event Id: 10836603
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 3.0 Md
Time: Sat July 11, 1970 03:24AM (PDT)
Sat July 11, 1970 10:24 (UTC)
Distance From: 19.1 km ( 11.9 mi) ESE ( 107. azimuth) from Darrington, WA
47.3 km ( 29.4 mi) SE ( 142. azimuth) from Concrete, WA
47.4 km ( 29.4 mi) ENE ( 74. azimuth) from Granite Falls, WA
Coordinates: 48.204, -121.355
Depth: 0.05 Km (0.03 miles)
Location Quality: Excellent
Event Id: 10836603
Horizontal Uncertainty: 0.113 Km
Depth Uncertainty: 0.13 Km
Azimuthal Gap: 296.0 deg
Number of Phases: 8
RMS Misfit: 0.1

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

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