Precursory seismicity changes associated with the Nemuro Peninsula earthquake, January 28, 2000

Huang, Qinghua; Sobolev, G. A.

doi:10.1016/s1367-9120(02)00032-9

Cited by 23 publications

(14 citation statements)

References 19 publications

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“…The temporal variation of the seismicity patterns of the 1999 Izmit earthquake revealed by the RTL algorithm showed similar characteristics to those obtained before strong earthquakes in Kamchatka (Sobolev & Tyupkin 1997, 1999) and Japan (Huang & Sobolev 2001, 2002; Huang & Nagao 2002; Huang et al 2001). The similarity in these variations of seismicity patterns prior to strong earthquakes in different tectonic regions may reflect the natural evolution of the seismogenic process.…”

Section: Discussionsupporting

confidence: 69%

“…The dimension of the quiescence zone reached a few hundred kilometres, while the activation zone was generally in order of several tens of kilometres. Similar variations of seismicity patterns of the 1995 M = 7.2 Kobe earthquake, the 2000 M = 6.8 Nemuro Peninsula earthquake, and the 2000 M = 7.3 Tottori earthquake were obtained recently using the earthquake catalogue of the Japan Meteorological Agency (JMA) (Huang & Sobolev 2001, 2002; Huang & Nagao 2002; Huang et al 2001).…”

Section: Introductionsupporting

confidence: 74%

“…Because different magnitude‐frequency relations may hold for small and large earthquakes (for instance, Ikeya & Huang 1997), in our previous study on the 2000 January 28 Nemuro Peninsula earthquake(Huang & Sobolev 2001), we introduced the upper cut‐off magnitude M max . Detailed investigation indicated that introducing M max has little influence on our results (Huang & Sobolev 2002). Therefore, we conclude that our results are not artifacts due to the selection of model parameters.…”

Section: Discussionmentioning

confidence: 99%

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Precursory seismicity changes associated with the 1999 August 17 Izmit (Turkey) earthquake

Huang¹,

Öncel

Соболев

2002

Geophysical Journal International

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Summary We investigated precursory seismicity in and around the epicentral zone of the Mw= 7.4 1999 August 17 Izmit (Turkey) earthquake, by applying a statistical method—the RTL (Region–Time–Length) algorithm—to earthquake catalogues derived from that for the period 1981–1999 of Kandilli Observatory and Earthquake Research Institute (KOERI). The derived catalogues are complete for events MD≥ 3 in most of western Turkey. After declustering aftershocks, we investigated the seismicity patterns preceding the Izmit event at local (Izmit tectonic zone) and national (Turkey) scales. The RTL parameter indicates that a period of seismic quiescence started at the end of 1995 and reached a minimum in December 1996. An activation phase lasting about three months followed. The main shock in Izmit and vicinity did not occur when the seismicity returned to its background level, but occurred with a delay of nearly 2.5 yr. We present a new parameter to quantify the spatial distribution of seismic quiescence. The results from both catalogues indicate that a significant quiescence anomaly appeared in 1996 around the epicenter of the Izmit earthquake. The primary characteristics of the seismicity patterns prior to the Izmit earthquake are similar to those obtained for large events in Russia and Japan. The variations of seismicity patterns revealed by the RTL algorithm may offer better understanding of the physical nature of seismo‐tectonics and provide useful information for seismic hazard estimation. The varying characteristics of the Izmit and other events may reflect the difference between seismo‐tectonics in Turkey and in other regions such as Russia and Japan.

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Section: Discussionsupporting

confidence: 69%

Section: Introductionsupporting

confidence: 74%

Section: Discussionmentioning

confidence: 99%

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Precursory seismicity changes associated with the 1999 August 17 Izmit (Turkey) earthquake

Huang¹,

Öncel

Соболев

2002

Geophysical Journal International

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“…Finally, it should be mentioned that the term recurrence plots is sometimes used for another representation not related to RPs (e.g. [77]) (Fig. 11).…”

Section: Modifications and Extensionsmentioning

confidence: 99%

Recurrence plots for the analysis of complex systems

et al. 2007

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“…Based mainly on the present-day instrumental seismicity data, Pailoplee and Choowong (2014) investigated and revealed that most of the seismic source zones in mainland Southeast Asia area are seismically active. In addition, according to the region-time-length algorithm (Huang et al 2002), Sukrungsri and Pailoplee (2015) proposed four prospective areas along the Sumatra-Andaman subduction zone that might experience a major earthquake in the future, namely (1) Sittwe city in western Myanmar; (2) the area offshore of the northern Nicobar Islands; (3) Aceh city in the northernmost area of Sumatra Island; and (4) the area offshore of western Sumatra Island. This evidence indicates that Thailand is not shielded from earthquake hazards.…”

Section: Introductionmentioning

confidence: 99%

Seismic hazards in Thailand: a compilation and updated probabilistic analysis

Pailoplee

Charusiri

2016

Earth Planet Sp

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A probabilistic seismic hazard analysis (PSHA) for Thailand was performed and compared to those of previous works. This PSHA was based upon (1) the most up-to-date paleoseismological data (slip rates), (2) the seismic source zones, (3) the seismicity parameters (a and b values), and (4) the strong ground-motion attenuation models suggested as being suitable models for Thailand. For the PSHA mapping, both the ground shaking and probability of exceedance (POE) were analyzed and mapped using various methods of presentation. In addition, site-specific PSHAs were demonstrated for ten major provinces within Thailand. For instance, a 2 and 10 % POE in the next 50 years of a 0.1-0.4 g and 0.1-0.2 g ground shaking, respectively, was found for western Thailand, defining this area as the most earthquake-prone region evaluated in Thailand. In a comparison between the ten selected specific provinces within Thailand, the Kanchanaburi and Tak provinces had comparatively high seismic hazards, and therefore, effective mitigation plans for these areas should be made. Although Bangkok was defined as being within a low seismic hazard in this PSHA, a further study of seismic wave amplification due to the soft soil beneath Bangkok is required.

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Precursory seismicity changes associated with the Nemuro Peninsula earthquake, January 28, 2000

Cited by 23 publications

References 19 publications

Precursory seismicity changes associated with the 1999 August 17 Izmit (Turkey) earthquake

Precursory seismicity changes associated with the 1999 August 17 Izmit (Turkey) earthquake

Recurrence plots for the analysis of complex systems

Seismic hazards in Thailand: a compilation and updated probabilistic analysis

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