Seismicity by period · derived statistics from Skjálftalísa (Icelandic Met Office)
Status (automatic)
No particular signs of unrest in the last 24 hours — 0 earthquakes recorded, within the system's normal range.
Volcano in Múlaþing east of Vatnajökull (1833 m, the highest non-glaciated peak in Iceland). NOT Snæfellsjökull on the Snæfellsnes Peninsula. Northernmost member of the Öræfajökull flank zone (ÖSVZ) alongside Esjufjöll and Öræfajökull. No known eruptions in historical time. (overview — more at vedur.is) · circle on the map = rough outline of the system (radius).
📜 Did you know?
Snæfell (1,833 m) is Iceland's highest mountain outside the ice caps and an ancient central volcano east of Vatnajökull. Although it has not erupted for about 207,000 years, scientists do not consider it extinct, because rock studies show that magma beneath Snæfell can reside for 100,000–200,000 years between eruptions — far longer than at other Icelandic volcanoes. Snæfell belongs to the off-rift Öræfi volcanic belt, together with Öræfajökull and Esjufjöll.
Points = earthquake locations in the selected window, coloured by magnitude: ● M3+ · ● M2+ · ● smaller (a sample if more than 800).
Earthquakes
0
Largest
–
M3,0+
0
Depth range
–
Earthquakes over time
Cumulative count · 0 earthquakes · countmoment
Depth (0 km at top).
Not enough depth data.
Magnitude distribution
Earthquakes
0
Largest
–
M3,0+
0
Depth range
–
Earthquakes over time
Cumulative count · 0 earthquakes · countmoment
Depth (0 km at top).
Not enough depth data.
Magnitude distribution
Earthquakes
0
Largest
–
M3,0+
0
Depth range
–
Earthquakes over time
Cumulative count · 0 earthquakes · countmoment
Depth (0 km at top).
Not enough depth data.
Magnitude distribution
Earthquakes
1
Largest
M0.1
M3,0+
0
Depth range
0–0 km
Earthquakes over time
Cumulative count · 1 earthquakes · total moment ≈ M0.1 · countmoment
Depth (0 km at top). Grey: fixed depth.
Not enough depth data.
Magnitude distribution
Earthquakes
1
Largest
M0.1
M3,0+
0
Depth range
0–0 km
Earthquakes over time
Cumulative count · 1 earthquakes · total moment ≈ M0.1 · countmoment
Depth (0 km at top). Grey: fixed depth.
Not enough depth data.
Magnitude distribution
Note: before February 2026 about half of events lacked an automatic magnitude, so magnitude-dependent figures (b-value, count of M≥X) under-count earlier periods — the catalogue is not homogeneous across this window. Cumulative moment is barely affected.
Earthquakes
4
Largest
M1.0
M3,0+
0
Depth range
0–4 km
Earthquakes over time
Cumulative count · 4 earthquakes · total moment ≈ M1.0 · countmoment
Depth (0 km at top). Grey: fixed depth.
Magnitude distribution
Depth cross-sections — color by age (orange=newest, grey=older), point size by M. Rising cluster = possible magma intrusion.
Note: before February 2026 about half of events lacked an automatic magnitude, so magnitude-dependent figures (b-value, count of M≥X) under-count earlier periods — the catalogue is not homogeneous across this window. Cumulative moment is barely affected.
Depth is automatic and uncertain; earthquakes alone do not show magma movement — deformation (GPS) and gas are needed. Grey points: automatic fixed-depth values. b-value computed for M≥1.5 (automatic magnitudes make lower completeness unreliable). Preliminary data.
β (swarm signal): how high activity is versus the area's 2-year average. β above 2 means an ongoing swarm. It measures activity, not a forecast of a large quake.
Cumulative moment (Mw): the combined energy of the quakes in the period. Uplift (GNSS): whether the ground is rising or sinking, mm per year — the data are a few weeks old. Some systems (e.g. Svartsengi) deform in steps during eruption cycles rather than at a steady annual rate.
Swarm character is computed for a whole volcanic belt, not a single system — it describes the belt, not necessarily this one system.
What should I do? This is automatic monitoring for information — not an official warning. Follow official information from the Icelandic Met Office and Civil Protection (112).
Data: Icelandic Met Office (Skjálftalísa API), automatic preliminary results — may change. This is not an official warning. Official warnings: vedur.is and Civil Protection (112).