This page measures the distance between you and the place on Earth currently farthest from anyone else reading it. As readers arrive and leave, that point moves. The math always finds one. The page is a chart of you, and the place where no one else is.
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Your place
IP-to-city lookup at the edge · your browser's location, if that fails
Your IP address arrives in the header of every request your device makes. Our host estimates a city from it at the edge; if it cannot, your browser is asked instead. Either answer is rounded to a tenth of a degree, about eleven kilometers. That rounded position travels inside the page's requests, where the log does not look, rather than in their addresses, where it does (a link you share carries it in the address). The roster shares your light with other readers until thirty seconds after your last heartbeat, sooner if the page manages to say goodbye. Your IP address is another matter. Like every page in the series, this one writes each request into our host's log: IP address, browser, page requested, where you came from, the time. We keep a copy. We can see who is reading right now. The log can show that an IP address came twice. It cannot show whose it was.
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The chart
A line drawing of the world's coastlines, built once from Natural Earth's open vector data. The chart leaves you room to see what's been added — and what's been added is the lights.
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The sky above each coast
Every coastline takes its color from the sky above it right now. The same palette we hand-tuned in Vol II to paint yesterday's sunset, applied to every shore on Earth in real time. Where the sun is rising or setting, the line glows. Where it is midnight, the line is the color of midnight, dimmed only enough to stay visible against the dark. The map breathes with the planet's rotation; the gradient drifts west by fifteen degrees an hour.
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The farthest point's name
Hand-curated lookup · 64,440 cells
The point we name is the nearest cataloged feature to that geography: a named sea, a research station, a small island, a point of inaccessibility. The catalog is a hand-curated table of about a hundred and eighty named places, indexed to a 1° global grid we built once and shipped with the page. Whichever sits closest, however far away it sits. A future version will trade this for open vector datasets with sharper coastline edges.
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Conditions there
Sun altitude is computed locally from coordinates and the current moment, so we can tell you it's dawn there, or twilight, or polar night. Recent seismic activity is pulled from the USGS public feed and named only when there's something to name. The page reads conditions; it doesn't predict them.
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The weather there
Temperature, wind, conditions, and the last day's rain when there was enough to mention, from Open-Meteo's weather models for the point we named, along with its time zone, which is how the page knows what time it is there. Models, not instruments: nobody is holding a thermometer at the farthest point for us. Our server asks on the page's behalf and reuses each answer for five minutes.
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Who else was told
Vercel Web Analytics · Cloudflare Web Analytics · Google Fonts
Vercel counts page views and a handful of moments: the chart asked for, shown, or skipped; the inspector opened; a share; a reach sent, answered, or left unanswered; this panel opened. They carry counts, distances, and whether the page had your location, never a place name. Cloudflare counts page views and load times. Google Fonts sent the three typefaces. Each received your IP address and your browser's name, as every server you contact does.
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The ground, or the water below
ETOPO1 is coarse by design: a one-arc-minute global relief model, land height and ocean bathymetry in the same surface. It is not a sounder lowered into the water. It is enough to say whether the empty place rises, sinks, or sits near sea level.