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

M 4.9 — 127 km ESE of Ozernovskiy, Russia

Magnitude 4.9, depth 53.0 km, 2025-08-01 16:37:00 UTC.

MagnitudeM 4.9
Depth53.0 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 4.9 at 53.0 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#48,165
Magnitude rank in country#1,729
M4.5+ within 250 km, ±15 days953
Sequence context207 events →
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Impact and context

Descriptive indicators available for this event and its surroundings.

13/100Limited context
Felt reports—
Max felt intensity (CDI)—
Instrumental intensity (MMI)—
PAGER alertNot available
Tsunami indicator—
USGS significance369
Depth contextShallow
Nearby major city—
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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 4.9 · 127 km ESE of Ozernovskiy, Russia · 100 kmInteractive 3D view of earthquakes within 100 km of M 4.9 · 127 km ESE of Ozernovskiy, Russia.M 4.9 · 127 km ESE of Ozernovskiy, RussiaM 4.5 · 113 km S of Vilyuchinsk, Russia · 99.6 kmM 4.5 · 164 km ESE of Ozernovskiy, Russia · 37.8 kmM 5.2 · 70 km ENE of Severo-Kuril’sk, Russia · 78.0 kmM 4.8 · 211 km E of Severo-Kuril’sk, Russia · 94.3 kmM 4.5 · 207 km SSE of Vilyuchinsk, Russia · 99.6 kmM 6.0 · 92 km E of Severo-Kuril’sk, Russia · 59.3 kmM 4.8 · 189 km ESE of Ozernovskiy, Russia · 67.5 kmM 4.6 · 198 km SSE of Vilyuchinsk, Russia · 87.5 kmM 4.9 · 92 km E of Severo-Kuril’sk, Russia · 63.6 kmM 4.7 · 126 km S of Vilyuchinsk, Russia · 91.9 kmM 5.4 · 85 km E of Severo-Kuril’sk, Russia · 66.0 kmM 5.0 · 196 km SSE of Vilyuchinsk, Russia · 96.2 kmM 4.5 · 77 km ESE of Ozernovskiy, Russia · 51.1 kmM 4.5 · 166 km SSE of Vilyuchinsk, Russia · 78.5 kmM 4.8 · 192 km SSE of Vilyuchinsk, Russia · 90.0 kmM 4.7 · 118 km E of Severo-Kuril’sk, Russia · 63.6 kmM 4.6 · 66 km SE of Ozernovskiy, Russia · 72.8 kmM 4.9 · 180 km SSE of Vilyuchinsk, Russia · 92.9 kmM 5.0 · 199 km SSE of Vilyuchinsk, Russia · 99.1 kmM 4.9 · 119 km E of Severo-Kuril’sk, Russia · 46.6 kmM 4.5 · 79 km ESE of Ozernovskiy, Russia · 47.7 kmM 4.5 · 155 km ESE of Severo-Kuril’sk, Russia · 94.4 kmM 4.6 · 71 km SE of Ozernovskiy, Russia · 63.0 kmM 4.7 · 143 km E of Severo-Kuril’sk, Russia · 38.6 kmM 4.6 · 177 km SSE of Vilyuchinsk, Russia · 75.2 kmM 4.6 · 202 km E of Severo-Kuril’sk, Russia · 91.6 kmM 4.8 · 175 km E of Severo-Kuril’sk, Russia · 56.7 kmM 4.9 · 72 km ENE of Severo-Kuril’sk, Russia · 76.8 kmM 4.5 · 184 km SSE of Vilyuchinsk, Russia · 76.4 kmM 4.8 · 193 km E of Ozernovskiy, Russia · 80.3 kmM 4.9 · 104 km E of Ozernovskiy, Russia · 42.3 kmM 4.9 · 73 km E of Severo-Kuril’sk, Russia · 83.7 kmM 5.0 · 69 km ESE of Ozernovskiy, Russia · 59.2 kmM 4.6 · 214 km SSE of Vilyuchinsk, Russia · 98.9 kmM 4.5 · 169 km E of Severo-Kuril’sk, Russia · 67.4 kmM 4.6 · 185 km ESE of Severo-Kuril’sk, Russia · 98.0 kmM 5.0 · 120 km ENE of Ozernovskiy, Russia · 82.3 kmM 4.6 · 109 km E of Severo-Kuril’sk, Russia · 44.3 kmM 4.9 · 111 km ESE of Severo-Kuril’sk, Russia · 71.6 kmM 4.5 · 189 km SSE of Vilyuchinsk, Russia · 80.3 kmM 5.1 · 193 km E of Severo-Kuril’sk, Russia · 81.6 kmM 4.8 · 91 km SE of Ozernovskiy, Russia · 45.0 kmM 4.5 · 203 km SSE of Vilyuchinsk, Russia · 90.4 kmM 4.5 · 195 km ESE of Ozernovskiy, Russia · 74.9 kmM 4.5 · 203 km SSE of Vilyuchinsk, Russia · 94.5 kmM 4.8 · 190 km E of Ozernovskiy, Russia · 74.8 kmM 4.7 · 126 km E of Ozernovskiy, Russia · 58.3 kmM 4.5 · 65 km SE of Ozernovskiy, Russia · 68.1 kmM 4.8 · 153 km ESE of Severo-Kuril’sk, Russia · 71.2 kmM 4.7 · 159 km ESE of Ozernovskiy, Russia · 39.4 kmM 4.9 · 158 km ESE of Ozernovskiy, Russia · 39.1 kmM 4.8 · 148 km E of Severo-Kuril’sk, Russia · 56.8 kmM 4.5 · 184 km E of Severo-Kuril’sk, Russia · 80.5 kmM 4.7 · 89 km ESE of Severo-Kuril’sk, Russia · 94.8 kmM 5.0 · 138 km ESE of Ozernovskiy, Russia · 11.7 kmM 4.5 · 213 km SSE of Vilyuchinsk, Russia · 97.4 kmM 4.6 · 190 km ESE of Ozernovskiy, Russia · 62.9 kmM 5.1 · 119 km S of Vilyuchinsk, Russia · 93.5 kmM 4.6 · 74 km ESE of Ozernovskiy, Russia · 52.3 kmM 4.5 · 154 km SSE of Vilyuchinsk, Russia · 87.6 kmM 4.5 · 131 km ESE of Severo-Kuril’sk, Russia · 70.9 kmM 4.7 · 198 km SSE of Vilyuchinsk, Russia · 87.5 kmM 5.0 · 198 km E of Severo-Kuril’sk, Russia · 85.6 kmM 4.6 · 133 km E of Severo-Kuril’sk, Russia · 35.2 kmM 4.7 · 119 km E of Severo-Kuril’sk, Russia · 47.1 kmM 4.5 · 132 km E of Severo-Kuril’sk, Russia · 47.3 kmM 6.8 · 123 km E of Severo-Kuril’sk, Russia · 53.7 kmM 4.5 · 108 km E of Severo-Kuril’sk, Russia · 69.7 kmM 4.5 · 155 km ESE of Severo-Kuril’sk, Russia · 80.0 kmM 5.0 · 169 km ESE of Severo-Kuril’sk, Russia · 82.7 kmM 4.5 · 190 km ESE of Severo-Kuril’sk, Russia · 87.0 kmM 4.5 · 193 km ESE of Severo-Kuril’sk, Russia · 91.6 kmM 4.5 · 196 km SSE of Vilyuchinsk, Russia · 93.3 kmM 4.5 · 190 km SSE of Vilyuchinsk, Russia · 82.0 kmM 4.5 · 82 km ESE of Ozernovskiy, Russia · 45.2 kmM 4.5 · 198 km ESE of Ozernovskiy, Russia · 75.1 kmM 4.6 · 195 km ESE of Ozernovskiy, Russia · 73.2 kmM 4.7 · 127 km ESE of Severo-Kuril’sk, Russia · 98.1 kmM 4.8 · 155 km E of Ozernovskiy, Russia · 60.3 kmM 4.9 · 137 km E of Severo-Kuril’sk, Russia · 42.0 kmM 4.5 · 63 km SE of Ozernovskiy, Russia · 77.7 kmM 5.0 · 169 km ESE of Ozernovskiy, Russia · 44.6 kmM 4.7 · 183 km ESE of Severo-Kuril’sk, Russia · 85.2 kmM 4.5 · 200 km E of Severo-Kuril’sk, Russia · 90.3 kmM 4.6 · 190 km E of Ozernovskiy, Russia · 76.9 kmM 5.3 · 193 km E of Severo-Kuril’sk, Russia · 86.1 kmM 4.5 · 167 km SSE of Vilyuchinsk, Russia · 79.4 kmM 5.0 · 128 km ESE of Ozernovskiy, Russia · 16.2 kmM 4.8 · 158 km SSE of Vilyuchinsk, Russia · 88.4 kmM 4.9 · 184 km SSE of Vilyuchinsk, Russia · 93.9 kmM 5.7 · 122 km E of Severo-Kuril’sk, Russia · 60.2 kmM 4.7 · 186 km E of Ozernovskiy, Russia · 74.7 kmM 4.7 · 81 km ESE of Ozernovskiy, Russia · 48.2 kmM 4.6 · 186 km ESE of Severo-Kuril’sk, Russia · 96.2 kmM 5.1 · 142 km ESE of Ozernovskiy, Russia · 32.6 kmM 4.5 · 166 km ESE of Ozernovskiy, Russia · 40.1 kmM 4.7 · 172 km ESE of Ozernovskiy, Russia · 45.9 kmM 4.6 · 141 km E of Severo-Kuril’sk, Russia · 41.9 kmM 5.1 · 139 km ESE of Ozernovskiy, Russia · 16.2 kmM 4.6 · 147 km ESE of Severo-Kuril’sk, Russia · 81.4 km
M 4.9 · 127 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.

Open sequence →

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 4.9 → M 4.9
Depth change+0.0 km
Last update514711 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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