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M1.1 Earthquake near Magrath, Canada — 07 March 2025

A micro earthquake of magnitude 1.1 was recorded near Magrath, Canada on , with an epicentre 41 km south-southeast of Magrath, at a focal depth of 28.6 km. It ranked as the 24th strongest of 27 earthquakes recorded in Canada in the preceding 30 days.

1.1 Micro

Time (UTC): 2025-03-07 11:43:41

Time (your timezone): —

Magnitude: 1.1 (micro)

Focal depth: 28.6 km (shallow)

Epicentre: 49.0717, -112.6350

Location: 41 km SSE of Magrath, Canada

Country: Canada

USGS link to NOAA tsunami information: Not linked

Review status: Reviewed

Source: USGS event page

How strong was this earthquake?

Micro earthquakes are almost never felt at the surface and are recorded only by seismographs.

A magnitude 1.1 earthquake radiates roughly 0.63 kg of TNT equivalent in seismic energy.

The USGS assigns this earthquake a significance score of 18, which is below the USGS threshold of more than 600 for its significant-earthquake list. The ranking combines magnitude with available Did You Feel It responses and PAGER alert level; it is not a direct measurement of damage.

What the magnitude scale actually measures →

When it happened locally

That is about 04:13 local solar time at the epicentre, in the early hours of the morning.

This event was deeper than 97% of the 495 earthquakes recorded in Canada in our catalogue and stronger than 14% of them.

Where was the epicentre?

The epicentre was located at 49.0717, -112.6350 — 41 km south-southeast of Magrath. The closest other recorded event was a magnitude 2.3 earthquake 2 km north-northwest of here on 21 September 2025.

The nearest other settlements in our records are Cardston (53 km west), Babb (62 km west-southwest), East Glacier Park (98 km south-southwest) and Essex (122 km west-southwest).

Why the 29 km depth matters

At 29 km this was a shallow earthquake. Shallow events release their energy close to the surface, so for a given magnitude they produce noticeably stronger shaking — and more damage — than deeper ones. Roughly three quarters of all earthquakes worldwide occur at shallow depths.

This catalogue does not ingest eyewitness responses, so it cannot confirm where this earthquake was felt. Based on magnitude alone, events this small are usually detected by instruments rather than people. Its shallow focus makes stronger surface shaking more likely than for a deeper event of the same magnitude.

Read more on how focal depth changes what you feel →

What does the tsunami information flag mean?

The USGS record does not carry a link to NOAA tsunami information. That field is not an all-clear and does not state whether a tsunami occurred. In this case, a damaging tsunami would be less likely because at M1.1 it falls below the magnitude 6.5 threshold that generally applies before a submarine earthquake displaces enough water to generate a damaging tsunami; it occurred inland rather than beneath the sea floor. For an active coastal alert, use tsunami.gov or your local warning authority.

How earthquakes generate tsunamis, and what the alert levels mean →

Aftershocks and local seismic history

No further earthquakes have been recorded within about 150 km of the epicentre in the seven days after this event.

1 earthquakes of magnitude 4 or above have been logged within roughly 200 km of this epicentre in our catalogue. The strongest was a magnitude 4.2 event near Black Eagle on 29 January 2026. This M1.1 event released about 47,863 times less energy than that event.

7 earthquakes have been recorded within 100 km of this epicentre in the past year, 5 of them in the past 30 days.

How long aftershock sequences last, and how large they get →

Where this event sits in the record

This earthquake is part of the March 2025 worldwide record, and of earthquakes in Canada during March 2025. Browse the full monthly archive to compare periods.

Nearest recorded earthquakes to this epicentre

Other recent earthquakes in Canada

All recorded earthquakes in Canada →

Other magnitude 1 earthquakes worldwide

Questions about this earthquake

How strong was the earthquake near Magrath?

It measured magnitude 1.1 — a micro earthquake. A magnitude 1.1 earthquake radiates roughly 0.63 kg of TNT equivalent in seismic energy.

How deep was the earthquake near Magrath?

The focus was 29 km below the surface, which counts as shallow.

Was the Magrath earthquake felt at the surface?

At magnitude 1.1 and a focal depth of 29 km, shaking would have been concentrated near the epicentre.

When did the earthquake near Magrath happen?

07 March 2025 at 11:43 UTC.

Was there a tsunami?

No. The USGS record carries no tsunami-information link for this event.

Have there been aftershocks?

No further earthquakes have been recorded within about 150 km of the epicentre in the seven days after this event.

How often do earthquakes happen near Magrath?

1 earthquakes of magnitude 4 or above have been logged within roughly 200 km of this epicentre in our catalogue. The strongest was a magnitude 4.2 event near Black Eagle on 29 January 2026. This M1.1 event released about 47,863 times less energy than that event.