Cause of repeated tsunami mobile alerts identified by NEMA

Wednesday 20 August 2025 · 4 outlets · 4 reports · updated Wed 20 Aug 2025, 12:58pm

In this story National Emergency Management Agency

The National Emergency Management Agency has explained why some people received multiple tsunami alerts or none at all following a magnitude 8.8 earthquake near Russia in July. The issues were caused by a combination of cell tower coverage, individual device settings, and network changes.

How they headlined it

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1. StuffWed 20 Aug 2025, 12:00pm

   Rude awakenings: ‘Glitch’ behind repeated overnight tsunami mobile alerts revealed (opens in new tab)

2. RNZWed 20 Aug 2025, 12:01pm

   NEMA identifies mobile phone alert problems during tsunami warning (opens in new tab)

3. 1NewsWed 20 Aug 2025, 12:21pm

   NEMA identifies cause of emergency alert issues during tsunami event (opens in new tab)

4. NZ HeraldWed 20 Aug 2025, 12:58pm

   Earthquake alert confusion: NEMA explains multiple phone warnings (opens in new tab)