High-resolution surface faulting from the 1983 Idaho Lost River Fault M(w) 6.9 earthquake and previous events.

High-resolution surface faulting from the 1983 Idaho Lost River Fault M(w) 6.9 earthquake and previous events.
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DOI:
10.1038/s41597-021-00838-6
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发表时间:
2021-02-26
期刊:
影响因子:
9.8
通讯作者:
Lavecchia G
Lavecchia G
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Bello S;Scott CP;Ferrarini F;Brozzetti F;Scott T;Cirillo D;de Nardis R;Arrowsmith JR;Lavecchia G

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我们展示了 Lost River 断层(美国爱达荷州)沿线的高分辨率测绘和表面断层测量,这是 1983 年(Mw 6.9)地震中激活的正常断层。地震使断层破裂了约 35 公里,最大震程为约 3 米。从无人机收集的新的 5 至 30 厘米像素分辨率地形中,我们生成了最全面的数据集,系统测量了 1983 年和史前地震激活的约 37 公里断层长度的垂直距离。我们提供数字高程模型、正射影像和三个表格:(i) 757 个表面破裂痕迹,(ii) 1295 个间隔 25 米的连续地形剖面,表示破裂区宽度,以及 (iii) 2053 个垂直分离测量值,每个表都有附加的文本和数字字段。我们的新颖数据集支持推进有关该断层系统的科学知识,完善大陆内断层的尺度规律,与其他地震进行比较以更好地了解断层过程,并为全球概率灾害方法做出贡献。我们的方法可以应用于具有高分辨率地形数据的其他断层带。描述报告数据的机器可访问元数据文件:10.6084/m9.figshare.13198259
We present high-resolution mapping and surface faulting measurements along the Lost River fault (Idaho-USA), a normal fault activated in the 1983 (Mw 6.9) earthquake. The earthquake ruptured ~35 km of the fault with a maximum throw of ~3 m. From new 5 to 30 cm-pixel resolution topography collected by an Unmanned Aerial Vehicle, we produce the most comprehensive dataset of systematically measured vertical separations from ~37 km of fault length activated by the 1983 and prehistoric earthquakes. We provide Digital Elevation Models, orthophotographs, and three tables of: (i) 757 surface rupture traces, (ii) 1295 serial topographic profiles spaced 25 m apart that indicate rupture zone width and (iii) 2053 vertical separation measurements, each with additional textual and numerical fields. Our novel dataset supports advancing scientific knowledge about this fault system, refining scaling laws of intra-continental faults, comparing to other earthquakes to better understand faulting processes, and contributing to global probabilistic hazard approaches. Our methodology can be applied to other fault zones with high-resolution topographic data. Machine-accessible metadata file describing the reported data: 10.6084/m9.figshare.13198259
DOI: 10.1029/jb092ib12p12857
发表时间: 1987-11-10
期刊: JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH AND PLANETS
影响因子: --
作者:
ANDREWS, DJ;BUCKNAM, RC
通讯作者: BUCKNAM, RC
DOI: 10.1029/jb090ib12p10193
发表时间: 1985-01-01
期刊: JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH AND PLANETS
影响因子: --
作者:
ANDREWS, DJ;HANKS, TC
通讯作者: HANKS, TC
DOI: 10.1029/92jb01962
发表时间: 1993-04-10
影响因子: 3.9
作者:
AVOUAC, JP
通讯作者: AVOUAC, JP
DOI: 10.2475/ajs.249.12.884
发表时间: 1951-01-01
影响因子: 2.9
作者:
BALDWIN, EM
通讯作者: BALDWIN, EM
DOI: 10.3389/feart.2020.608063
发表时间: 2021-01-20
影响因子: 2.9
作者:
Bello, S.;de Nardis, R.;Lavecchia, G.
通讯作者: Lavecchia, G.