Earthquake ·
M7.0 earthquake in China: did the internet go down?
The internet held
No national or nearby regional internet outage in China started within 24 hours after the quake.
191 km ENE of Nagqu, China
700 km around it: where we looked for regional outages
The internet in China
Hosts reachable, from a day before to three days after
Outage historyNo national, regional (within 700 km) or power outage started in China in this window.
How we check
Every 5 minutes we test thousands of servers and routers in every country from our own probes, combined with IODA. For an earthquake we look at the 72 hours after it, for a storm at the day before to two days after it came closest. We list every national outage, every regional outage within 700 km, and every large power outage.
An outage counts as a disruption when it reached "partial outage" or "blackout" and started within 24 hours. That it started then does not prove the disaster caused it, but a nationwide drop right after a big quake rarely has another reason.
Earthquake data: USGS (public domain). USGS event page
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