+ Site Statistics
References:
54,258,434
Abstracts:
29,560,870
PMIDs:
28,072,757
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Magnitude-period scaling relations for Japan and the Pacific Northwest; implications for earthquake early warning



Magnitude-period scaling relations for Japan and the Pacific Northwest; implications for earthquake early warning



Bulletin of the Seismological Society of America 97(1B): 140-150



Scaling relations between the predominant period of P-wave arrivals and earthquake magnitude are explored using datasets from the Pacific Northwest and Japan, and compared with previous observations in southern California (Allen and Kanamori, 2003). We find the same scaling for events in all three geologically diverse regions. The sensitivity of the predominant period observation to magnitude can be optimized using various frequency bands for different magnitude ranges and in different regions. The ability to estimate the magnitude using the first few seconds of the P wave offers a methodology for earthquake early warning. The accuracy of magnitude estimates increases with the number of stations reporting predominant period observations. The most significant improvements in the magnitude estimate occur when the number of reporting stations increased from one to four. As in southern California, we find that the average absolute magnitude error is approximately 0.5 magnitude units when the closest four stations to the epicenter are used.

Please choose payment method:






(PDF emailed within 0-6 h: $19.90)

Accession: 019361644

Download citation: RISBibTeXText

DOI: 10.1785/0120040091


Related references

Rapid magnitude determination using P-wave arrivals; magnitude-period relations for Japan and the Pacific Northwest. Eos, Transactions, American Geophysical Union 84(46, Suppl, 2003

Magnitude scaling of early-warning parameters for the Mw 78 Tocopilla, Chile, earthquake and its aftershocks. Bulletin of the Seismological Society of America 101.2, 2011

Determination of earthquake magnitude at regional distance in and near Japan (third report); on relations between magnitude and period corresponding to the maximum trace amplitude. Zisin = Jishin 27(2): 129-240, 1974

Earthquake Early Warning: ShakeAlert in the Pacific Northwest. Bulletin of the Seismological Society of America 106(4): 1875-1886, 2016

Earthquake early warning for Bucharest, Romania; novel and revised scaling relations. Geophysical Research Letters 34(7), 2007

Implications of felt area-magnitude relations for earthquake scaling and the average frequency of perceptible ground motion. Bulletin of the Seismological Society of America 84(2): 462-465, 1994

Magnitude estimations in earthquake early warning for the 2010 Yiasian, Taiwan, earthquake. Seismological Research Letters 82.2, 2011

Magnitude Estimations in Earthquake Early Warning for the 2010 JiaSian, Taiwan, Earthquake. Seismological Research Letters 82(2): 201-206, 2011

Method of accurate-fast magnitude estimation for earthquake early warning -----Trial and application for the 2008 Wenchuan earthquake. Soil Dynamics and Earthquake Engineering 109: 227-234, 2018

Predictability of earthquake magnitude and earthquake early warning. Report of the Coordinating Committee for Earthquake Prediction 80, 2008

The hydrogeodynamic method of earthquake warning in the Northwest Pacific. Abstracts of Papers - Pacific Science Congress 14: 47-48, 1979

Earthquake early warning in Japan; warning the general public and future prospects. Seismological Research Letters 80.5, 2009

A comparison of Tc and Tpmax for magnitude estimation in earthquake early warning. Geophysical Research Letters 35.20, 2008

The 1868 Hayward Fault, California, Earthquake: Implications for Earthquake Scaling Relations on Partially Creeping Faults. Bulletin of the Seismological Society of America 105(6): 2894-2909, 2015

Magnitude estimation using the first three seconds P-wave amplitude in earthquake early warning. Geophysical Research Letters 33(16), 2006