USGS GLOBAL QUAKE MAP ARCHIVE

MLAAPDE is an NEIC supported, curated, and periodically updated dataset that can contribute to seismological ML research and development. A recent version of the dataset is publicly available (see Data and Resources), and user‐specific versions can be generated locally with the accompanying software. MLAAPDE is distinct from other publicly available datasets in containing local (14%), regional (36%), and teleseismic (50%) observations, in which local, regional, and teleseismic distance are 0°–3°, 3°–30°, and 30°+, respectively. An accompanying Python module enables users to develop customized training datasets, which includes different time‐series lengths, distance ranges, sampling rates, and/or phase lists. Each arrival in the labeled dataset has been manually reviewed by NEIC staff. Geological Survey National Earthquake Information Center’s (NEIC) Preliminary Determination of Epicenters bulletin, which includes local to teleseismic observations for earthquakes ∼ M 2.5 and larger. The labeled catalog is collected from the U.S. MLAAPDE consists of more than 5.1 million recordings of 120 s long three‐component broadband waveform data (raw counts) for P, Pn, Pg, S, Sn, and Sg arrivals.

USGS GLOBAL QUAKE MAP ARCHIVE

Caption by Michon Scott.The Machine Learning Asset Aggregation of the Preliminary Determination of Epicenters (MLAAPDE) dataset is a labeled waveform archive designed to enable rapid development of machine learning (ML) models used in seismic monitoring operations. Worldwide Earthquakes 20002021 Note: Estimated death counts for 2016-2019 are from EM-DAT: The Emergency Events Database - Université catholique de Louvain (UCL) - CRED, D. NASA Earth Observatory image created by Jesse Allen, using earthquake and plate tectonics data from the USGS Earthquake Hazard Program, elevation data from the Shuttle Radar Topography Mission (SRTM) provided by the University of Maryland’s Global Land Cover Facility, and ocean bathymetry data from the British Oceanographic Data Center’s Global Bathmetric Chart of the Oceans (GEBCO). Worldwide, United States, and average annual statistics for earthquake counts. The New Britain region is seismically active and experiences both earthquakes and frequent volcanic activity. The USGS indicated that the 6.9 quake likely occurred within the subducting Solomon Sea Plate. The foreshock occurred at a greater depth and resulted from reverse faulting. The USGS reported that the 7.3 quake occurred roughly 10 kilometers (6 miles) to the north and 30 minutes after a 6.9-magnitude quake. The Solomon Plate pushes under the Bismarck Plate and dips to the north-northwest. Where the earthquake occurred, the Solomon Sea Plate grinds roughly northward in relation to the South Bismarck Plate at about 120 millimeters (a little less than 5 inches) per year. The two largest quakes appear very close to each other.Īccording to the USGS summary of the event, the 7.3-magnitude quake on July 18 likely resulted from thrust faulting on or near the boundary between two microplates: the Solomon Sea Plate and the South Bismarck Plate. Circles indicate earthquakes, and larger circles with thicker borders indicate greater magnitudes. The ground motion hazard for Sumatra and the Malaysian peninsula is calculated in a probabilistic framework, using procedures developed for the US National Seismic Hazard Maps. Faults and approximate plate boundaries appear as red lines.

In water and on land, colors lighten with height, so shallow depths and high peaks are pale. This color-coded map shows the topography, bathymetry, fault lines, and earthquake locations for the region.

The two largest quakes had magnitudes of 7.3 and 6.9.

Multiple earthquakes occurred in the region of Papua New Guinea’s New Britain on July 18–19, 2010, according to the U.S.

Usgs global quake map