Domain Arrivals
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Featured in Domain Arrivals · 2026-08-16

Sismo Alerta, an earthquake watch for Colombia

openalert.site ↗ · Useful Tools · score 79.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A free browser app that sends location-based earthquake notifications, without an account, installation, or ads.

Why it surfaced

Sismo Alerta is unusually clear about what it can and cannot do: its warnings arrive a few minutes after public seismic networks publish an event, rather than predicting earthquakes in advance. Built by Johan Villalba, it combines data from networks including Colombia’s SGC with a focused set of practical features, including distance estimates, a Colombian event history, and iPhone home-screen installation.

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The 240-Material Organ

August 16’s newborn domains include a 240-material perfume organ, a repeatedly saved JPEG cat, a ski tracker designed by a 15-year-old, and a searchable page claiming to contain 148,303 prescription records.

This is one of 1,000 discoveries in the 2026-08-16 Domain Arrivals issue.

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