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Found 79 results

2008

Observations and tectonic setting of historic and instrumentally located earthquakes in the greater New York City-Philadelphia area
Sykes, L. R.; Armbruster, J. G.; Kim, W. Y.; Seeber, L.
Bulletin of the Seismological Society of America
(2008)
Issue:
4
Pages:
1696-1719
Volume:
98
Doi 10.1785/0120070167

2006

Repeat times of large earthquakes: Implications for earthquake mechanics and long-term prediction
Sykes, L. R.; Menke, W.
Bulletin of the Seismological Society of America
(2006)
Issue:
5
Pages:
1569-1596
Volume:
96
Doi 10.1785/0120050083

2005

Understanding the differences between three teleseismic m(b) scales
Granville, J. P.; Richards, P. G.; Kim, W. Y.; Sykes, L. R.
Bulletin of the Seismological Society of America
(2005)
Issue:
5
Pages:
1809-1824
Volume:
95
Doi 10.1785/0120040159

2003

Earthquake source parameters and state of stress for the northeastern United States and southeastern Canada from analysis of regional seismograms
Du, W. X.; Kim, W. Y.; Sykes, L. R.
Bulletin of the Seismological Society of America
(2003)
Issue:
4
LDEO Publication Number:
6429
Pages:
1633-1648
Volume:
93
Triggered aseismic fault slip from nearby earthquakes, static or dynamic effect?
Du, W. X.; Sykes, L. R.; Shaw, B. E.; Scholz, C. H.
Journal of Geophysical Research-Solid Earth
(2003)
Issue:
B2
LDEO Publication Number:
6386
Pages:
-
Volume:
108
Doi 10.1029/2002jb002008

2001

Changes in frequency of moderate-size earthquakes and Coulomb failure stress before and after the Landers, California, earthquake of 1992
Du, W. X.; Sykes, L. R.
Bulletin of the Seismological Society of America
(2001)
Issue:
4
Pages:
725-738
Volume:
91
Evolution of the stress field in the northern Aegean Sea (Greece)
Papadimitriou, E. E.; Sykes, L. R.
Geophysical Journal International
(2001)
Issue:
3
Pages:
747-759
Volume:
146

1999

Geologic constraints on clandestine nuclear testing in South Asia
Davis, D. M.; Sykes, L. R.
Proceedings of the National Academy of Sciences of the United States of America
(1999)
Issue:
20
Pages:
11090-11095
Volume:
96
Rethinking earthquake prediction
Sykes, L. R.; Shaw, B. E.; Scholz, C. H.
Pure and Applied Geophysics
(1999)
Issue:
2-4
Pages:
207-232
Volume:
155
Evolving towards a critical point: A review of accelerating seismic moment/energy release prior to large and great earthquakes
Jaume, S. C.; Sykes, L. R.
Pure and Applied Geophysics
(1999)
Issue:
2-4
Pages:
279-305
Volume:
155

1997

Frequency of occurrence of moderate to great earthquakes in intracontinental regions: Implications for changes in stress, earthquake prediction, and hazards assessments
Triep, E. G.; Sykes, L. R.
Journal of Geophysical Research-Solid Earth
(1997)
Issue:
B5
Pages:
9923-9948
Volume:
102
Stress evolution in southern California and triggering of moderate-, small-, and micro-size earthquakes
Deng, J. S.; Sykes, L. R.
Journal of Geophysical Research-Solid Earth
(1997)
Issue:
B11
Pages:
24411-24435
Volume:
102
Evolution of the stress field in southern California and triggering of moderate-size earthquakes: A 200-year perspective
Deng, J. S.; Sykes, L. R.
Journal of Geophysical Research-Solid Earth
(1997)
Issue:
B5
Pages:
9859-9886
Volume:
102

1996

Intermediate- and long-term earthquake prediction
Sykes, L. R.
Proceedings of the National Academy of Sciences of the United States of America
(1996)
Issue:
9
Pages:
3732-3739
Volume:
93
Triggering of 1812 Santa Barbara earthquake by a great San Andreas shock: Implications for future seismic hazards in southern California
Deng, J. S.; Sykes, L. R.
Geophysical Research Letters
(1996)
Issue:
10
Pages:
1155-1158
Volume:
23
Evolution of moderate seismicity in the San Francisco Bay region, 1850 to 1993: Seismicity changes related to the occurrence of large and great earthquakes
Jaume, S. C.; Sykes, L. R.
Journal of Geophysical Research-Solid Earth
(1996)
Issue:
B1
Pages:
765-789
Volume:
101

1995

Source Scaling of Earthquakes in the Shumagin Region, Alaska - Time-Domain Inversions of Regional Wave-Forms
Abers, G. A.; Hu, X. X.; Sykes, L. R.
Geophysical Journal International
(1995)
Issue:
1
Pages:
41-58
Volume:
123
Determination of Euler Pole for Contemporary Relative Motion of Caribbean and North-American Plates Using Slip Vectors of Interplate Earthquakes
Deng, J. S.; Sykes, L. R.
Tectonics
(1995)
Issue:
1
Pages:
39-53
Volume:
14

1994

Body Wave and Surface-Wave Analysis of Large and Great Earthquakes Along the Eastern Aleutian Arc, 1923-1993 - Implications for Future Events
Estabrook, C. H.; Jacob, K. H.; Sykes, L. R.
Journal of Geophysical Research-Solid Earth
(1994)
Issue:
B6
Pages:
11643-11662
Volume:
99

1993

Accurate Location of Nuclear-Explosions at Azgir, Kazakhstan, from Satellite Images and Seismic Data - Implications for Monitoring Decoupled Explosions
Sykes, L. R.; Deng, J. S.; Lyubomirskiy, P.
Geophysical Research Letters
(1993)
Issue:
18
Pages:
1919-1922
Volume:
20
Nature of Seismic Coupling Along Simple Plate Boundaries of the Subduction Type
Pacheco, J. F.; Sykes, L. R.; Scholz, C. H.
Journal of Geophysical Research-Solid Earth
(1993)
Issue:
B8
Pages:
14133-14159
Volume:
98
Seismic Gap Hypothesis - 10-Years after - Comment
Nishenko, S. P.; Sykes, L. R.
Journal of Geophysical Research-Solid Earth
(1993)
Issue:
B6
Pages:
9909-9916
Volume:
98

1992

Seismic Moment Catalog of Large Shallow Earthquakes, 1900 to 1989
Pacheco, J. F.; Sykes, L. R.
Bulletin of the Seismological Society of America
(1992)
Issue:
3
Pages:
1306-1349
Volume:
82
Great Thrust Earthquakes and Aseismic Slip Along the Plate Boundary of the Makran Subduction Zone
Byrne, D. E.; Sykes, L. R.; Davis, D. M.
Journal of Geophysical Research-Solid Earth
(1992)
Issue:
B1
Pages:
449-478
Volume:
97
Changes in Frequency-Size Relationship from Small to Large Earthquakes
Pacheco, J. F.; Scholz, C. H.; Sykes, L. R.
Nature
(1992)
Issue:
6355
Pages:
71-73
Volume:
355
Changes in State of Stress on the Southern San-Andreas Fault Resulting from the California Earthquake Sequence of April to June 1992
Jaume, S. C.; Sykes, L. R.
Science
(1992)
Issue:
5086
Pages:
1325-1328
Volume:
258
Reevaluation of Several Large Historic Earthquakes in the Vicinity of the Loma-Prieta and Peninsular Segments of the San-Andreas Fault, California
Tuttle, M. P.; Sykes, L. R.
Bulletin of the Seismological Society of America
(1992)
Issue:
4
Pages:
1802-1820
Volume:
82

1991

Seismicity and Fault Interaction, Southern San-Jacinto Fault Zone and Adjacent Faults, Southern California - Implications for Seismic Hazard
Petersen, M. D.; Seeber, L.; Sykes, L. R.; Nabelek, J. L.; Armbruster, J. G.; Pacheco, J.; Hudnut, K. W.
Tectonics
(1991)
Issue:
6
Pages:
1187-1203
Volume:
10

1990

Seismotectonics of the Easternmost Transverse Ranges, California - Relevance for Seismic Potential of the Southern San-Andreas Fault
Williams, P. L.; Sykes, L. R.; Nicholson, C.; Seeber, L.
Tectonics
(1990)
Issue:
1
Pages:
185-204
Volume:
9
Seismic Activity on Neighboring Faults as a Long-Term Precursor to Large Earthquakes in the San-Francisco Bay Area
Sykes, L. R.; Jaume, S. C.
Nature
(1990)
Issue:
6302
Pages:
595-599
Volume:
348

1989

Comparison of Seismic and Hydrodynamic Yield Determinations for the Soviet Joint Verification Experiment of 1988
Sykes, L. R.; Ekstrom, G.
Proceedings of the National Academy of Sciences of the United States of America
(1989)
Issue:
10
Pages:
3456-3460
Volume:
86

1988

Loci and Maximum Size of Thrust Earthquakes and the Mechanics of the Shallow Region of Subduction Zones
Byrne, D. E.; Davis, D. M.; Sykes, L. R.
Tectonics
(1988)
Issue:
4
Pages:
833-857
Volume:
7

1987

The Yields of Soviet Strategic Weapons
Sykes, L. R.; Davis, D. M.
Scientific American
(1987)
Issue:
1
Pages:
29-37
Volume:
256
Underground Nuclear-Explosions - Verifying Limits on Underground Testing, Yield Estimates, and Public-Policy
Sykes, L. R.
Reviews of Geophysics
(1987)
Issue:
6
Pages:
1209-1214
Volume:
25

1986

Yields of Soviet Underground Nuclear-Explosions at Novaya-Zemlya, 1964-1976, from Seismic Body and Surface-Waves
Sykes, L. R.; Wiggins, G. C.
Proceedings of the National Academy of Sciences of the United States of America
(1986)
Issue:
2
Pages:
201-205
Volume:
83
Seismicity and Fault Kinematics through the Eastern Transverse Ranges, California - Block Rotation, Strike-Slip Faulting and Low-Angle Thrusts
Nicholson, C.; Seeber, L.; Williams, P.; Sykes, L. R.
Journal of Geophysical Research-Solid Earth and Planets
(1986)
Issue:
B5
Pages:
4891-4908
Volume:
91
Subduction of Aseismic Ridges beneath the Caribbean Plate - Implications for the Tectonics and Seismic Potential of the Northeastern Caribbean - Reply
Mccann, W. R.; Sykes, L. R.
Journal of Geophysical Research-Solid Earth and Planets
(1986)
Issue:
B1
Pages:
787-791
Volume:
91
Seismic Evidence for Conjugate Slip and Block Rotation within the San-Andreas Fault System, Southern-California
Nicholson, C.; Seeber, L.; Williams, P.; Sykes, L. R.
Tectonics
(1986)
Issue:
4
Pages:
629-648
Volume:
5

1985

Great Earthquakes and Great Asperities, San-Andreas Fault, Southern-California
Sykes, L. R.; Seeber, L.
Geology
(1985)
Issue:
12
Pages:
835-838
Volume:
13

1984

Yields of Soviet Underground Nuclear-Explosions from Seismic Surface-Waves - Compliance with the Threshold Test Ban Treaty
Sykes, L. R.; Cifuentes, I. L.
Proceedings of the National Academy of Sciences of the United States of America-Physical Sciences
(1984)
Issue:
6
Pages:
1922-1925
Volume:
81
Nuclear Test Yields
Evernden, J. F.; Sykes, L. R.
Science
(1984)
Issue:
4637
Pages:
642-&
Volume:
223
Subduction of Aseismic Ridges beneath the Caribbean Plate - Implications for the Tectonics and Seismic Potential of the Northeastern Caribbean
Mccann, W. R.; Sykes, L. R.
Journal of Geophysical Research
(1984)
Issue:
Nb6
Pages:
4493-4519
Volume:
89
Probabilities of Occurrence of Large Plate Rupturing Earthquakes for the San-Andreas, San-Jacinto, and Imperial Faults, California, 1983-2003
Sykes, L. R.; Nishenko, S. P.
Journal of Geophysical Research
(1984)
Issue:
Nb7
Pages:
5905-5927
Volume:
89

1983

Seismic Methods for Verifying Nuclear Test Bans
Sykes, L. R.; Evernden, J. F.; Cifuentes, I.
Aip Conference Proceedings
(1983)
Issue:
104
Pages:
85-133

1982

Forecasting Southern-California Earthquakes
Raleigh, C. B.; Sieh, K.; Sykes, L. R.; Anderson, D. L.
Science
(1982)
Issue:
4565
Pages:
1097-1104
Volume:
217
Motion of Caribbean Plate during Last 7 Million Years and Implications for Earlier Cenozoic Movements
Sykes, L. R.; Mccann, W. R.; Kafka, A. L.
Journal of Geophysical Research
(1982)
Issue:
Nb13
Pages:
656-676
Volume:
87
The Verification of a Comprehensive Nuclear Test Ban
Sykes, L. R.; Evernden, J. F.
Scientific American
(1982)
Issue:
4
Pages:
47-&
Volume:
247

1980

Yakataga Gap, Alaska - Seismic History and Earthquake Potential
Mccann, W. R.; Perez, O. J.; Sykes, L. R.
Science
(1980)
Issue:
4437
Pages:
1309-1314
Volume:
207
Rupture Zones of Great Earthquakes in the Alaska-Aleutian Arc, 1784 to 1980
Sykes, L. R.; Kisslinger, J. B.; House, L.; Davies, J. N.; Jacob, K. H.
Science
(1980)
Issue:
4476
Pages:
1343-1345
Volume:
210

1979

Seismic Gaps and Plate-Tectonics - Seismic Potential for Major Boundaries
Mccann, W. R.; Nishenko, S. P.; Sykes, L. R.; Krause, J.
Pure and Applied Geophysics
(1979)
Issue:
6
Pages:
1082-1147
Volume:
117

1978

Seismic Trends and Travel-Time Residuals in Eastern North-America and Their Tectonic Implications
Fletcher, J. B.; Sbar, M. L.; Sykes, L. R.
Geological Society of America Bulletin
(1978)
Issue:
11
Pages:
1656-1676
Volume:
89
Intraplate Seismicity, Reactivation of Preexisting Zones of Weakness, Alkaline Magmatism, and Other Tectonism Postdating Continental Fragmentation
Sykes, L. R.
Reviews of Geophysics
(1978)
Issue:
4
Pages:
621-688
Volume:
16
Intra-Plate Seismicity, Reactivation of Pre-Existing Zones of Weakness, Alkaline Magmatism, and Other Tectonism Post-Dating Continental Separation
Sykes, L. R.
Transactions-American Geophysical Union
(1978)
Issue:
4
Pages:
388-388
Volume:
59
Sumatra - Major Seismic Gap
Krause, J.; Mccann, W. R.; Nishenko, S. P.; Sykes, L. R.
Transactions-American Geophysical Union
(1978)
Issue:
12
Pages:
1125-1125
Volume:
59
Teleseismic P-Wave Residuals and Lithospheric Structure in New-York State and Vicinity
Cranswick, E.; Sykes, L. R.
Transactions-American Geophysical Union
(1978)
Issue:
4
Pages:
391-391
Volume:
59
Earthquakes, Faults and Nuclear-Power Plants in Southeastern New-York - Northern New-Jersey
Aggarwal, Y. P.; Sykes, L. R.
Transactions-American Geophysical Union
(1978)
Issue:
4
Pages:
317-317
Volume:
59
Earthquakes, Faults, and Nuclear-Power Plants in Southern New-York and Northern New-Jersey
Aggarwal, Y. P.; Sykes, L. R.
Science
(1978)
Issue:
4340
Pages:
425-429
Volume:
200
Seismic Gaps and Plate Tectonics - Seismic Potential for Major Plate Boundaries
Mccann, W. R.; Nishenko, S. P.; Sykes, L. R.; Krause, J.
Transactions-American Geophysical Union
(1978)
Issue:
12
Pages:
1124-1124
Volume:
59

1977

Mapping Ancient Suture Zones in 3 Dimensions with Travel-Time Residuals of Seismic-Waves
Sykes, L. R.
Transactions-American Geophysical Union
(1977)
Issue:
6
Pages:
367-367
Volume:
58
Earthquakes Related to Hydraulic Mining and Natural Seismic Activity in Western New-York-State
Fletcher, J. B.; Sykes, L. R.
Journal of Geophysical Research
(1977)
Issue:
26
Pages:
3767-3780
Volume:
82

1976

Occurrence of Anomalous Seismic Events in Eastern Tibet
Tatham, R. H.; Forsyth, D. W.; Sykes, L. R.
Geophysical Journal of the Royal Astronomical Society
(1976)
Issue:
3
Pages:
451-481
Volume:
45
Earthquakes Related to Hydraulic Mining and Natural Seismic Activity in Western New-York
Fletcher, J. B.; Sykes, L. R.
Transactions-American Geophysical Union
(1976)
Issue:
4
Pages:
289-289
Volume:
57

1975

Spatial and Temporal Variations in Ts-Tp and in P-Wave Residuals at Blue Mountain Lake, New-York - Application to Earthquake Prediction
Aggarwal, Y. P.; Sykes, L. R.; Simpson, D. W.; Richards, P. G.
Journal of Geophysical Research
(1975)
Issue:
5
Pages:
718-732
Volume:
80

1974

Seismic Zones and Mid-Mesozoic Tectonic Features in Eastern North-America
Sykes, L. R.; Fletcher, J. P.; Sbar, M. L.
Transactions-American Geophysical Union
(1974)
Issue:
4
Pages:
447-447
Volume:
55
Seismic Zones and Travel Time Anomalies in Eastern North-America Related to Fracture Zones Active in Early Opening of Atlantic
Fletcher, J. P.; Sykes, L. R.
Transactions-American Geophysical Union
(1974)
Issue:
4
Pages:
447-447
Volume:
55
Seismicity and Intraplate Tectonics in Eastern North-America
Sykes, L. R.
Transactions of the New York Academy of Sciences
(1974)
Issue:
5
Pages:
488-488
Volume:
36
Temporal and Spatial-Analysis of Premonitory Velocity Anomalies for August 3, 1973 Blue Mt Lake (Bml) Earthquake
Aggarwal, Y. P.; Simpson, D. W.; Sykes, L. R.
Transactions-American Geophysical Union
(1974)
Issue:
4
Pages:
355-355
Volume:
55
Upper Crustal Structure and Active Dilatancy Monitoring at Blue Mountain Lake (Bml) New-York
Simpson, D. W.; Aggarwal, Y. P.; Sykes, L. R.
Transactions-American Geophysical Union
(1974)
Issue:
4
Pages:
354-354
Volume:
55

1973

First Successful Prediction of an Earthquake in United-States
Aggarwal, Y. P.; Simpson, D. W.; Sbar, M. L.; Pomeroy, P. W.; Sykes, L. R.
Transactions-American Geophysical Union
(1973)
Issue:
11
Pages:
1134-1134
Volume:
54
Intra-Plate Earthquakes, Contemporary Stresses and Driving Mechanism of Plate Tectonics .2. Global Evidence
Sykes, L. R.; Sbar, M. L.
Transactions-American Geophysical Union
(1973)
Issue:
4
Pages:
455-&
Volume:
54
Intra-Plate Earthquakes, Contemporary Stresses, and Driving Mechanism of Plate Tectonics .1. Eastern North-America
Sbar, M. L.; Sykes, L. R.
Transactions-American Geophysical Union
(1973)
Issue:
4
Pages:
455-&
Volume:
54
Intraplate Earthquakes, Lithospheric Stresses and Driving Mechanism of Plate Tectonics
Sykes, L. R.; Sbar, M. L.
Nature
(1973)
Issue:
5424
Pages:
298-302
Volume:
245
Physical Basis for Earthquake Prediction
Scholz, C. H.; Sykes, L. R.; Aggarwal, Y. P.
Transactions-American Geophysical Union
(1973)
Issue:
7
Pages:
705-706
Volume:
54
Premonitory Changes in Seismic Velocities and Prediction of Earthquakes
Aggarwal, Y. P.; Sykes, L. R.; Armbrust.J; Sbar, M. L.
Nature
(1973)
Issue:
5385
Pages:
101-104
Volume:
241
Contemporary Compressive Stress and Seismicity in Eastern North-America - Example of Intra-Plate Tectonics
Sbar, M. L.; Sykes, L. R.
Geological Society of America Bulletin
(1973)
Issue:
6
Pages:
1861-1881
Volume:
84
Premonitory Velocity Changes, Time Variant Stress and Space-Time Distribution of Blue Mountain Lake (Bml) Earthquakes
Aggarwal, Y. P.; Sykes, L. R.
Transactions-American Geophysical Union
(1973)
Issue:
4
Pages:
371-371
Volume:
54
Earthquake Prediction - Physical Basis
Scholz, C. H.; Sykes, L. R.; Aggarwal, Y. P.
Science
(1973)
Issue:
4102
Pages:
803-810
Volume:
181
Seismic Activity Associated with Hydraulic Mining in Western New-York State
Fletcher, J. P.; Sykes, L. R.; Sbar, M. L.
Transactions-American Geophysical Union
(1973)
Issue:
4
Pages:
371-371
Volume:
54

1972

Results from High-Gain Long-Period Seismograph Experiment
Savino, J. M.; Murphy, A. J.; Rynn, J. M. W.; Tatham, R.; Sykes, L. R.; Choy, G. L.; Mccamy, K.
Geophysical Journal of the Royal Astronomical Society
(1972)
Issue:
1-3
Pages:
179-&
Volume:
31