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アンドロイドの携帯電話で地球規模で地震を検知し警告する

Richard M Allen1,2, Alexei Barski1, Micah Berman1

  • 1Google LLC, Mountain View, CA, USA.

Science (New York, N.Y.)
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PubMed
まとめ
この要約は機械生成です。

スマートフォンのネットワークは 地震を検知し 世界中に警報を発します このシステムは数多くの地震を 発見し,何百万もの人々に 間に合った警告を与え,地震の早期警告のための 拡張可能な解決策を示しました.

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科学分野:

  • 地理学
  • 地震学
  • コンピュータ科学

背景:

  • 地震の早期警告システムは 地震による損失を軽減するために不可欠です
  • 地震が起こりやすい多くの地域では 効果的な早期警告のための 必要な地震ネットワークがない.

研究 の 目的:

  • 地震検知と警報の提供に グローバル・アンドロイド・スマートフォン・ネットワークを活用する
  • システム改善のためのユーザーフィードバックの枠組みを確立する.

主な方法:

  • グローバル・アンドロイド・スマートフォンのネットワークを利用して 地震検出アルゴリズムを開発しました
  • 重要な地震 (M ≥4.5) に関する98カ国に届くアラート・配信システムを導入した.
  • 感知された振動に対するアラート受信に関するユーザーからのフィードバックを収集します.

主要な成果:

  • トルコでは3年間で月平均312回の地震 (M1. 9からM7. 8まで) が検出されました.
  • 全世界で毎月約1800万件の地震警報が発送されています.
  • 使用者の85%が震えを感じると報告し,36%,28%,23%が震える前に,震える中に,または震える後に警告を受けた.

結論:

  • スマートフォンベースの地震検出アルゴリズムは 規模で効果的に実装できます
  • イベント後のユーザーフィードバックの分析は,システムの継続的な改善を可能にします.
  • 地球規模のスマートフォンのネットワークは データが少ない地域での地震の早期警告に有効な代替手段を提供します.