@article{fdi:010093277, title = {{I}mplementation of the {P}eruvian earthquake early warning system}, author = {{L}ara, {P}. and {T}avera, {H}. and {B}letery, {Q}uentin and {A}mpuero, {J}ean-{P}aul and {I}nza, {A}. and {P}ortugal, {D}. and {O}rihuela, {B}. and {M}eza, {F}.}, editor = {}, language = {{ENG}}, abstract = {{W}e present the implementation and testing of the seismological components of the {P}eruvian earthquake early warning system ({S}istema de {A}lerta {S}ísmica {P}eruano [{SASP}e]). {SASP}e is designed to send alert messages to areas located within a given distance from the epicenter of large (magnitude ?6.0) subduction earthquakes, with a first alert based on data available 3 s after the arrival of the {P} wave on the nearest station. {T}he system comprises a dedicated network of 111 strong motion stations installed along the {P}eruvian coast. {D}uring over 2 yr of testing, the magnitude estimates are virtually unbiased, with no false positives or false negatives. {I}n the most critical virtual scenarios of earthquakes occurring within 57 km of populated areas, {SASP}e can provide user lead times of up to 8 s. {F}or more distant areas (from 70 to 120 km), lead times range from 10 to 20 s. {O}nce the construction of the alert broadcasting system by the civil defense authority is finalized, {SASP}e will provide warning to 18 million residents of the coast of {P}eru. {W}e validate the algorithm of the system on recent major earthquakes in {P}eru and other regions, demonstrating its effectiveness and versatility for global deployment.}, keywords = {{PEROU}}, booktitle = {}, journal = {{B}ulletin of the {S}eismological {S}ociety of {A}merica}, volume = {115}, numero = {1}, pages = {191--209}, ISSN = {1943-3573}, year = {2025}, DOI = {10.1785/0120240119}, URL = {https://www.documentation.ird.fr/hor/fdi:010093277}, }