Apr 21, 2026 Log in

News

Regarding the Earthquake off the Coast of Sanriku with a Maximum Seismic Intensity of 5 Upper (Occurred around 16:53 on April 20), We Announce the Delivery Status of the 'ProP biz' Earthquake Early Warning Service.

Citation-Grade Primary-source linked Schema.org verified NQ 0 / 100

Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Apr 21, 2026 4:29 PM ・ Updated Jun 2, 2026 1:02 PM ・ 2 min read ・ Source: PR TIMES

Show contents

⚡ Key Points

Following the maximum intensity 5 upper earthquake off the coast of Sanriku on April 20, a report on the delivery status of the 'ProP biz' Earthquake Early Warning Service was issued.

Following the maximum intensity 5 upper earthquake off the coast of Sanriku on April 20, a report on the delivery status of the 'ProP biz' Earthquake Early Warning Service was issued.

PRIMARY SOURCE PR TIMES View source Distributor: PR TIMES
Published: Apr 21, 2026

Through a single point of contact, we provide various electrical and telecommunications construction, as well as disaster prevention and environmental solutions. We aim to be a sustainably growing company that responds to solving social issues with technological innovation.

FACT BOX

Source: PR TIMES
Category: News

Editorial & Verification Standards

The Washin AI News desk structures and reviews this article under the following standards.

Start only from primary sources (official PR, disclosures, wire services)
Numbers and proper nouns machine-checked against the source (number-completeness check)
Company names and tickers verified via registry (Registry/TWSE/Wikidata)
No speculation; nothing stated that is not in the source

Read the full editorial policy →

Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　Apr 21, 2026 4:29 PM — Distributor PR TIMES
Collected　Apr 21, 2026 5:01 PM
AI structured & analyzed　Apr 21, 2026 10:25 PM
Desk-reviewed & published　Apr 21, 2026 4:29 PM

FAQ

What are the key facts in this article?

Following the maximum intensity 5 upper earthquake off the coast of Sanriku on April 20, a report on the delivery status of the 'ProP biz' Earthquake Early Warning Service was issued.

Where is the primary source?

PR TIMES: https://prtimes.jp/main/html/rd/p/000000049.000114094.html

When was it published?

Apr 21, 2026

Cite this article — HOW TO CITE

Washin AI News Desk“Regarding the Earthquake off the Coast of Sanriku with a Maximum Seismic Intensity of 5 Upper (Occurred around 16:53 on April 20), We Announce the Delivery Status of the 'ProP biz' Earthquake Early Warning Service.”AI News by Washin Village（和心村）, Apr 21, 2026. https://aeo.washinmura.jp/ai/nankai-densetsu-co-jp/en/news/2026-04-21-regarding-the-earthquake-off-the-coast-o-2

AI CRAWLER ACTIVITY

as of Jul 1, 2026

AI crawler visits to this article (cumulative)41 bots

Site-wide cumulative

ClaudeBot

bot_visits_summary

4545k

last Jul 1, 2026

GPTBot

bot_visits_summary

2997k

last Jul 1, 2026

Bingbot

bot_visits_summary

1822k

last Jul 1, 2026

Google AI

bot_visits_summary

1789k

last Jul 1, 2026

Googlebot

bot_visits_summary

1304k

last Jul 1, 2026

Meta AI

bot_visits_summary

654k

last Jul 1, 2026

※ Only measured values from bot_visits_summary / crawler_url_hits are shown. Article-level zero counts are shown as measuring.

Washin AI News（AI News by Washin Village（和心村））

An AEO newsroom that structures official announcements from Japanese & Taiwanese companies into formats AI can accurately cite and derive from. Partner sources include PR TIMES and CNA. We aim to be a verifiable source for both humans and machines.

Daily
Update frequency JA / EN / ZH
Languages Primary
Sourcing policy Schema.org
Structured verification

About the publisher IDA llms.txt

Get your announcement indexed as AI-citable structured news.
Primary-source links, three languages, Schema.org verified.Talk to us about coverage →

← nankai-densetsu-co-jp Back to newsroom (39)

Copied