M8.0 Earthquake near Petropavlovsk-Kamchatsky, Russia — 29 July 2025
A great earthquake of magnitude 8.0 was recorded near Petropavlovsk-Kamchatsky, Russia on , with an epicentre 133 km southeast of Petropavlovsk-Kamchatsky, at a focal depth of 74.0 km.
Time (UTC): 2025-07-29 23:24:56
Time (your timezone): —
Magnitude: 8.0 (great)
Focal depth: 74.0 km (intermediate)
Epicentre: 52.2000, 160.0000
Location: 133 km SE of Petropavlovsk-Kamchatsky, Russia
USGS link to NOAA tsunami information: Available
Review status: Reviewed
Source: USGS event page
How strong was this earthquake?
Great earthquakes are among the largest events ever recorded and can devastate areas hundreds of kilometres across. Offshore events of this size are the primary cause of destructive ocean-wide tsunamis.
A magnitude 8.0 earthquake radiates roughly 15.1 million tons of TNT equivalent in seismic energy.
The USGS assigns this earthquake a significance score of 985, which meets 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.
Where was the epicentre?
The epicentre was located at 52.2000, 160.0000 — 133 km southeast of Petropavlovsk-Kamchatsky. The closest other recorded event was a magnitude 4.9 earthquake 15 km west-southwest of here on 05 June 2026.
Why the 74 km depth matters
At 74 km this was an intermediate-depth earthquake. Energy from events at this depth spreads out before it reaches the surface, which usually means weaker shaking near the epicentre than a shallow quake of the same magnitude, but shaking felt across a wider area.
This catalogue does not ingest eyewitness responses, so it cannot confirm where this earthquake was felt. Based on magnitude alone, an event this size can produce strong, widely felt shaking. Its intermediate depth normally reduces peak shaking near the epicentre compared with a shallow event of the same magnitude.
What does the tsunami information flag mean?
The USGS event record links to NOAA tsunami information because this was a large event in an oceanic region. That link flag does not mean a tsunami occurred or that a warning is active. Check tsunami.gov and instructions from your local authority for the current status of your coastline.
How earthquakes generate tsunamis, and what the alert levels mean →
Aftershocks and local seismic history
282 further earthquakes have been recorded within about 150 km of the epicentre in the seven days after this event, the largest of them magnitude 6.9.
1287 earthquakes of magnitude 4 or above have been logged within roughly 200 km of this epicentre in our catalogue. The strongest was a magnitude 8.7 event near Petropavlovsk-Kamchatsky on 29 July 2025. This M8.0 event released about 11 times less energy than that event.
How long aftershock sequences last, and how large they get →
Where this event sits in the record
This earthquake is part of the July 2025 worldwide record. Browse the full monthly archive to compare periods.
Nearest recorded earthquakes to this epicentre
- M4.9 earthquake near Vilyuchinsk, Russia — (15 km WSW)
- M4.7 earthquake near Petropavlovsk-Kamchatsky, Russia — (39 km ESE)
- M4.6 earthquake near Petropavlovsk-Kamchatsky, Russia — (46 km E)
- M4.3 earthquake near Petropavlovsk-Kamchatsky, Russia — (50 km E)
- M4.9 earthquake near Petropavlovsk-Kamchatsky, Russia — (51 km E)
- M4.1 earthquake near Petropavlovsk-Kamchatsky, Russia — (52 km ESE)
- M4.3 earthquake near Vilyuchinsk, Russia — (53 km SSE)
- M5.2 earthquake near Petropavlovsk-Kamchatsky, Russia — (54 km ENE)
- M4.7 earthquake near Vilyuchinsk, Russia — (56 km SW)
- M4.2 earthquake near Petropavlovsk-Kamchatsky, Russia — (63 km E)
Other magnitude 8 earthquakes worldwide
- M7.8 earthquake near Burias, Philippines —
- M7.8 earthquake near Ternate, Indonesia —
- M7.8 earthquake near Petropavlovsk-Kamchatsky, Russia —
- M7.8 earthquake near Petropavlovsk-Kamchatsky, Russia —
- M8.0 earthquake near Drake Passage —
Questions about this earthquake
How strong is a magnitude 8.0 earthquake?
Great earthquakes are among the largest events ever recorded and can devastate areas hundreds of kilometres across. Offshore events of this size are the primary cause of destructive ocean-wide tsunamis. A magnitude 8.0 earthquake radiates roughly 15.1 million tons of TNT equivalent in seismic energy.
How deep was the earthquake near Petropavlovsk-Kamchatsky?
At 74 km this was an intermediate-depth earthquake. Energy from events at this depth spreads out before it reaches the surface, which usually means weaker shaking near the epicentre than a shallow quake of the same magnitude, but shaking felt across a wider area.
Was the M8.0 earthquake near Petropavlovsk-Kamchatsky felt?
This catalogue does not ingest eyewitness responses, so it cannot confirm where this earthquake was felt. Based on magnitude alone, an event this size can produce strong, widely felt shaking. Its intermediate depth normally reduces peak shaking near the epicentre compared with a shallow event of the same magnitude.
What does the USGS tsunami field mean for this event?
The USGS event record links to NOAA tsunami information because this was a large event in an oceanic region. That link flag does not mean a tsunami occurred or that a warning is active. Check tsunami.gov and instructions from your local authority for the current status of your coastline.
Have there been aftershocks?
282 further earthquakes have been recorded within about 150 km of the epicentre in the seven days after this event, the largest of them magnitude 6.9.
How often do earthquakes happen near Petropavlovsk-Kamchatsky?
1287 earthquakes of magnitude 4 or above have been logged within roughly 200 km of this epicentre in our catalogue. The strongest was a magnitude 8.7 event near Petropavlovsk-Kamchatsky on 29 July 2025. This M8.0 event released about 11 times less energy than that event.