Spatio-temporal analysis of the February 2017 Surigao earthquake and nearby events

Authors

Lois Danielle Banilla Banasig National Institute of Physics, University of the Philippines Diliman
Rene Cabahug Batac National Institute of Physics, University of the Philippines Diliman

Abstract

We study the space and time properties of fresh earthquake records obtained within a 125-km radius from the epicentre of the magnitude 6.5 earthquake that hit the coast of Surigao del Norte in the southern Philippines on 10 February 2017. The spatio-temporal properties of the Surigao 2017 record is compared with those obtained from long-period Philippine catalogs and the immediate aftershocks of the 7.1-magnitude Bohol 2013 earthquake. Temporal and spatial intervent statistics of the Surigao earthquake for the whole month of February 2017 exhibit disparities from historical seismic records taken from two Philippine catalogs differing in completeness levels and time periods, while manifesting prominent similarities to the Bohol 2013 aftershock sequence. The statistics of the Surigao and Bohol earthquake records reveal significant spatio-temporal correlations. Our results complement previous works on historical and fresh earthquake records of the Philippines, and may contribute towards increasing our understanding of the underlying mechanisms of earthquake generation in this geographical region.

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Issue

2017: Proceedings of the 35th Samahang Pisika ng Pilipinas Physics Conference

Article ID

SPP-2017-2D-01

Section

Plasma and Earth Physics

Published

2017-06-07

How to Cite

[1]

LDB Banasig and RC Batac, Spatio-temporal analysis of the February 2017 Surigao earthquake and nearby events, Proceedings of the Samahang Pisika ng Pilipinas 35, SPP-2017-2D-01 (2017). URL: https://proceedings.spp-online.org/article/view/SPP-2017-2D-01.