Updated 2025-10-17 22:51:42 UTC

M 5.1 — 228 km ESE of Ozernovskiy, Russia

Magnitude 5.1, depth 10.0 km, 2025-07-31 12:40:16 UTC.

MagnitudeM 5.1
Depth10.0 km
Felt reports—
Statusreviewed
TsunamiNo
Quake Pulse Activity Index

Activity trend

A high index means recent activity is high relative to the selected historical baseline. It does not mean that a larger earthquake is about to occur.

Quake Pulse Activity Index78/100Elevated
Current 30 days21
Historical monthly median14.0
Historical percentileP78
M5+ in 30 days5
M6+ in 30 days0
Activity trendabove the historical median (+50%)
Baseline months: 60Last calculation: 2026-09-03 06:17:39How the index works →
Quake Pulse

What to know

A short factual reading of this event from the available observations.

  • Magnitude M 5.1 at 10.0 km depth.
Counts describe detected earthquakes and are not a forecast or hazard assessment.
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Within the Quake Pulse database

Long-term comparisons are more robust at higher magnitudes because small-earthquake detection capability has changed over time.

Magnitude rank in database#28,237
Magnitude rank in country#959
M4.5+ within 250 km, ±15 days962
Sequence context207 events →
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Impact and context

Descriptive indicators available for this event and its surroundings.

16/100Limited context
Felt reports—
Max felt intensity (CDI)—
Instrumental intensity (MMI)—
PAGER alertNot available
Tsunami indicator—
USGS significance400
Depth contextShallow
Nearby major city—
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These indicators describe data available after detection. They are neither a forecast nor a direct estimate of damage or individual risk.

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Around this epicenter

Nearby events observed around this epicenter. Spatial proximity does not necessarily mean they belong to the same sequence.

M 5.1 · 228 km ESE of Ozernovskiy, Russia · 100 kmInteractive 3D view of earthquakes within 100 km of M 5.1 · 228 km ESE of Ozernovskiy, Russia.M 5.1 · 228 km ESE of Ozernovskiy, RussiaM 4.5 · 188 km SSE of Vilyuchinsk, Russia · 92.5 kmM 4.8 · 211 km E of Severo-Kuril’sk, Russia · 43.3 kmM 4.9 · 190 km SSE of Vilyuchinsk, Russia · 85.3 kmM 4.6 · 243 km ESE of Severo-Kuril’sk, Russia · 86.9 kmM 4.7 · 244 km ESE of Severo-Kuril’sk, Russia · 87.7 kmM 4.5 · 207 km SSE of Vilyuchinsk, Russia · 56.6 kmM 4.6 · 246 km ESE of Severo-Kuril’sk, Russia · 71.3 kmM 4.8 · 189 km ESE of Ozernovskiy, Russia · 46.8 kmM 4.6 · 198 km SSE of Vilyuchinsk, Russia · 61.8 kmM 4.5 · 191 km SSE of Vilyuchinsk, Russia · 75.2 kmM 4.9 · 180 km SSE of Vilyuchinsk, Russia · 91.8 kmM 4.7 · 202 km SSE of Vilyuchinsk, Russia · 65.5 kmM 5.0 · 196 km SSE of Vilyuchinsk, Russia · 66.6 kmM 4.8 · 223 km ESE of Severo-Kuril’sk, Russia · 47.1 kmM 4.6 · 193 km SSE of Vilyuchinsk, Russia · 76.7 kmM 4.5 · 166 km SSE of Vilyuchinsk, Russia · 93.4 kmM 4.8 · 192 km SSE of Vilyuchinsk, Russia · 68.2 kmM 4.6 · 206 km ESE of Severo-Kuril’sk, Russia · 77.0 kmM 4.9 · 180 km SSE of Vilyuchinsk, Russia · 80.5 kmM 5.0 · 199 km SSE of Vilyuchinsk, Russia · 64.6 kmM 4.6 · 196 km SSE of Vilyuchinsk, Russia · 74.0 kmM 4.5 · 246 km ESE of Severo-Kuril’sk, Russia · 46.8 kmM 4.5 · 167 km SSE of Vilyuchinsk, Russia · 98.3 kmM 4.6 · 178 km SSE of Vilyuchinsk, Russia · 96.8 kmM 4.8 · 208 km SSE of Vilyuchinsk, Russia · 67.0 kmM 4.5 · 186 km ESE of Severo-Kuril’sk, Russia · 86.3 kmM 4.7 · 143 km E of Severo-Kuril’sk, Russia · 95.0 kmM 4.9 · 221 km E of Severo-Kuril’sk, Russia · 42.0 kmM 4.6 · 177 km SSE of Vilyuchinsk, Russia · 82.3 kmM 4.6 · 202 km E of Severo-Kuril’sk, Russia · 53.4 kmM 5.2 · 201 km SSE of Vilyuchinsk, Russia · 82.1 kmM 4.5 · 242 km ESE of Severo-Kuril’sk, Russia · 74.7 kmM 4.6 · 243 km ESE of Severo-Kuril’sk, Russia · 85.3 kmM 4.9 · 214 km E of Severo-Kuril’sk, Russia · 47.0 kmM 5.1 · 219 km ESE of Severo-Kuril’sk, Russia · 49.0 kmM 4.8 · 175 km E of Severo-Kuril’sk, Russia · 64.0 kmM 4.5 · 257 km SE of Vilyuchinsk, Russia · 89.3 kmM 4.5 · 184 km SSE of Vilyuchinsk, Russia · 74.8 kmM 4.8 · 263 km SE of Vilyuchinsk, Russia · 83.9 kmM 4.8 · 193 km E of Ozernovskiy, Russia · 63.9 kmM 4.8 · 187 km SSE of Vilyuchinsk, Russia · 84.2 kmM 4.7 · 199 km SSE of Vilyuchinsk, Russia · 80.7 kmM 4.5 · 227 km SSE of Vilyuchinsk, Russia · 43.7 kmM 4.8 · 194 km ESE of Severo-Kuril’sk, Russia · 86.0 kmM 5.1 · 187 km SSE of Vilyuchinsk, Russia · 85.6 kmM 4.5 · 254 km ESE of Severo-Kuril’sk, Russia · 55.2 kmM 4.7 · 181 km SSE of Vilyuchinsk, Russia · 94.1 kmM 4.6 · 259 km ESE of Severo-Kuril’sk, Russia · 66.9 kmM 4.9 · 183 km SSE of Vilyuchinsk, Russia · 87.7 kmM 4.6 · 214 km SSE of Vilyuchinsk, Russia · 49.8 kmM 4.5 · 169 km E of Severo-Kuril’sk, Russia · 75.3 kmM 4.6 · 275 km ESE of Severo-Kuril’sk, Russia · 70.7 kmM 6.0 · 265 km ESE of Severo-Kuril’sk, Russia · 71.6 kmM 4.5 · 184 km ESE of Severo-Kuril’sk, Russia · 87.9 kmM 4.9 · 184 km SSE of Vilyuchinsk, Russia · 87.5 kmM 4.6 · 185 km ESE of Severo-Kuril’sk, Russia · 82.3 kmM 4.6 · 237 km E of Severo-Kuril’sk, Russia · 37.9 kmM 4.5 · 262 km ESE of Ozernovskiy, Russia · 38.4 kmM 4.5 · 185 km SSE of Vilyuchinsk, Russia · 88.3 kmM 4.5 · 222 km ESE of Severo-Kuril’sk, Russia · 48.7 kmM 4.5 · 189 km SSE of Vilyuchinsk, Russia · 70.4 kmM 5.1 · 193 km E of Severo-Kuril’sk, Russia · 56.4 kmM 5.0 · 247 km ESE of Severo-Kuril’sk, Russia · 63.7 kmM 4.5 · 203 km SSE of Vilyuchinsk, Russia · 57.1 kmM 4.7 · 183 km SSE of Vilyuchinsk, Russia · 84.2 kmM 4.6 · 188 km SSE of Vilyuchinsk, Russia · 86.3 kmM 4.5 · 178 km SSE of Vilyuchinsk, Russia · 84.4 kmM 4.5 · 195 km ESE of Ozernovskiy, Russia · 47.8 kmM 4.6 · 178 km SSE of Vilyuchinsk, Russia · 90.7 kmM 4.5 · 203 km SSE of Vilyuchinsk, Russia · 58.4 kmM 4.5 · 177 km SSE of Vilyuchinsk, Russia · 94.7 kmM 4.8 · 190 km E of Ozernovskiy, Russia · 59.7 kmM 5.5 · 189 km SSE of Vilyuchinsk, Russia · 81.9 kmM 5.8 · 167 km SSE of Vilyuchinsk, Russia · 96.3 kmM 5.2 · 176 km SSE of Vilyuchinsk, Russia · 99.8 kmM 4.7 · 177 km SSE of Vilyuchinsk, Russia · 89.5 kmM 5.1 · 207 km ESE of Severo-Kuril’sk, Russia · 97.9 kmM 4.8 · 176 km SSE of Vilyuchinsk, Russia · 99.7 kmM 4.8 · 153 km ESE of Severo-Kuril’sk, Russia · 94.7 kmM 4.7 · 159 km ESE of Ozernovskiy, Russia · 72.8 kmM 4.9 · 158 km ESE of Ozernovskiy, Russia · 73.5 kmM 4.5 · 184 km SSE of Vilyuchinsk, Russia · 80.3 kmM 4.8 · 148 km E of Severo-Kuril’sk, Russia · 92.7 kmM 4.5 · 184 km E of Severo-Kuril’sk, Russia · 66.6 kmM 4.9 · 187 km SSE of Vilyuchinsk, Russia · 86.2 kmM 5.0 · 138 km ESE of Ozernovskiy, Russia · 89.2 kmM 4.6 · 183 km ESE of Severo-Kuril’sk, Russia · 88.7 kmM 4.9 · 205 km ESE of Severo-Kuril’sk, Russia · 70.9 kmM 4.5 · 213 km SSE of Vilyuchinsk, Russia · 50.0 kmM 4.5 · 194 km SSE of Vilyuchinsk, Russia · 72.9 kmM 4.7 · 180 km SSE of Vilyuchinsk, Russia · 84.4 kmM 4.6 · 190 km ESE of Ozernovskiy, Russia · 38.0 kmM 5.1 · 253 km ESE of Severo-Kuril’sk, Russia · 75.6 kmM 5.1 · 170 km SSE of Vilyuchinsk, Russia · 96.4 kmM 4.6 · 165 km SSE of Vilyuchinsk, Russia · 96.7 kmM 4.8 · 202 km ESE of Severo-Kuril’sk, Russia · 66.4 kmM 4.6 · 269 km ESE of Severo-Kuril’sk, Russia · 82.7 kmM 4.7 · 198 km SSE of Vilyuchinsk, Russia · 61.8 kmM 4.7 · 219 km ESE of Severo-Kuril’sk, Russia · 58.4 kmM 5.2 · 212 km ESE of Severo-Kuril’sk, Russia · 52.8 km
M 5.1 · 228 km ESE of Ozernovskiy, Russia100 km100 Recent earthquakes

Descriptive map centered on the epicenter; it does not represent felt intensity or risk.

Sequence context

This event belongs to a sequence detected by Quake Pulse.

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Nearby events · 100 km

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USGS data evolution

Earthquake parameters can be revised after first publication. This timeline shows versions retained by Quake Pulse.

Revisions1
Magnitude change+0.0M 5.1 → M 5.1
Depth change+0.0 km
Last update514762 min
2025-10-17 22:51:42 UTC2025-10-17 22:51:42 UTC

Explore related context

Putting this earthquake in context

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Interpret the numbers

Magnitude, depth, felt reports and status describe different parts of the event. None of them alone predicts the consequences for a specific city.

Important limits

If the earthquake creates a safety concern, follow local authorities and official warning channels rather than relying on a public data website.

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