John C. Lahr

HYPO71 (revised; a computer program for determining hypocenter, magnitude, and first motion pattern of local earthquakes

W. H. K. Lee, John C. Lahr · Antarctica A Keystone in a Changing World · 1975 · 1.1K citations · Full text

Engineering, Earthquake Scenario, First Motion Pattern +17

HYPOELLIPSE: A computer program for determining local earthquake hypocentral parameters, magnitude, and first motion pattern

John C. Lahr · Antarctica A Keystone in a Changing World · 1979 · 451 citations

Arrival Times, Engineering, Seismic Wave +19

Earthquake classification, location, and error analysis in a volcanic environment: implications for the magmatic system of the 1989–1990 eruptions at redoubt volcano, Alaska

John C. Lahr, Bernard Chouet, C. D. Stephens et al. · Journal of Volcanology and Geothermal Research · 1994 · 368 citations

Geophysics, Volcano Monitoring, Error Analysis +11

Precursory swarms of long-period events at Redoubt Volcano (1989–1990), Alaska: Their origin and use as a forecasting tool

Bernard Chouet, Robert A. Page, C. D. Stephens et al. · Journal of Volcanology and Geothermal Research · 1994 · 290 citations

Geophysics, Volcano Monitoring, Forecasting Tool +10

Three‐dimensional <i>P</i> and <i>S</i> wave velocity structure of Redoubt Volcano, Alaska

H. Benz, Bernard Chouet, Phillip Dawson et al. · Journal of Geophysical Research Atmospheres · 1996 · 266 citations

Applied Geophysics, Redoubt Volcano, Volcanology +22