Echinus temperature record during February 6-7, 2026

Temperature record from Echinus Geyser outflow channel for February 6, 2026, at 8 p.m. MST to February 7, 2026, at 8 a.m. MST.  The plot shows initial baseline temperatures, then two spikes to 50 °C representing water surges, then an eruption marked by a spike to 70 °C followed by a lull to 10 °C, and finally a return to baseline.  Another surge is present at the end of the record.  The eruption shown is the first recorded at the geyser since December 2020.