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The distribution of earthquakes on the Reykjanes Peninsula (image: Icelandic Met Office)

Judging from webcams, the eruption site seems to show any signs of the activity within the craters.
A faint glow is being visible in the fissure and the lava flow field.
However, the seismic activity and ground deformation are still present due to magma intrusions in the dike. The seismic instrument detected the main distribution of earthquakes about 20 km to the south of the southern tip of the eruptive fissure.

The Icelandic Met Office added: „The seismic activity is still at considerable depth and there is no sign that the magma that is moving is seeking the surface. According to model calculations this afternoon, it was estimated that about 15 million cubic meters of magma had flowed from Svartsengi into the magma tunnel under the Sundhnúk crater series and only a fraction of that amount has returned to the surface. Before the eruption began, about 22 million cubic meters had been added to the magma accumulation area under Svartsengi from the last eruption and it is therefore possible that there is still room for further magma movements.“

While the seismic activity and ground deformation continue to be elevated, new eruptive fissures could open suddenly.
Source: Icelandic Met Office volcano activity update 2 April 2025

A bird-eye view on the eruptive fissure and curtains of lava yesterday (image: RÚV English/x.com)