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

M 6.8 — 123 km E of Severo-Kuril’sk, Russia

Magnitude 6.8, depth 30.0 km, 2025-08-03 05:37:55 UTC.

MagnitudeM 6.8
Depth30.0 km
Felt reports7
Statusreviewed
TsunamiYes
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 6.8 at 30.0 km depth.
  • 7 felt report(s) are associated with the USGS record.
  • The USGS tsunami flag is enabled for this event.
  • The available PAGER level is GREEN.
Counts describe detected earthquakes and are not a forecast or hazard assessment.
Quake Pulse

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#514
Magnitude rank in country#22
M4.5+ within 250 km, ±15 days791
Sequence context251 events →
Remarkable

Why this event stands out

high magnitude · tsunami flag

60/100
Quake Pulse

Impact and context

Descriptive indicators available for this event and its surroundings.

66/100High context
Felt reports7
Max felt intensity (CDI)7.5
Instrumental intensity (MMI)6.9
PAGER alertGREEN
Tsunami indicatorYES
USGS significance717
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.

Quake Pulse

Around this epicenter

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

M 6.8 · 123 km E of Severo-Kuril’sk, Russia · 100 kmInteractive 3D view of earthquakes within 100 km of M 6.8 · 123 km E of Severo-Kuril’sk, Russia.M 6.8 · 123 km E of Severo-Kuril’sk, RussiaM 4.7 · 120 km E of Severo-Kuril’sk, Russia · 7.5 kmM 4.5 · 68 km SE of Ozernovskiy, Russia · 72.8 kmM 4.5 · 164 km ESE of Ozernovskiy, Russia · 70.0 kmM 5.0 · 119 km SE of Severo-Kuril’sk, Russia · 76.3 kmM 5.2 · 70 km ENE of Severo-Kuril’sk, Russia · 64.9 kmM 4.8 · 211 km E of Severo-Kuril’sk, Russia · 88.2 kmM 6.0 · 92 km E of Severo-Kuril’sk, Russia · 36.9 kmM 4.9 · 92 km E of Severo-Kuril’sk, Russia · 32.8 kmM 5.4 · 85 km E of Severo-Kuril’sk, Russia · 43.0 kmM 4.6 · 119 km SE of Severo-Kuril’sk, Russia · 81.3 kmM 4.5 · 40 km SE of Severo-Kuril’sk, Russia · 97.6 kmM 4.5 · 77 km ESE of Ozernovskiy, Russia · 82.9 kmM 4.5 · 146 km SE of Severo-Kuril’sk, Russia · 92.9 kmM 4.7 · 118 km E of Severo-Kuril’sk, Russia · 10.0 kmM 4.6 · 66 km SE of Ozernovskiy, Russia · 73.0 kmM 4.6 · 206 km ESE of Severo-Kuril’sk, Russia · 89.3 kmM 4.6 · 122 km SE of Severo-Kuril’sk, Russia · 83.1 kmM 4.5 · 93 km SE of Severo-Kuril’sk, Russia · 89.8 kmM 4.5 · 187 km ESE of Severo-Kuril’sk, Russia · 84.5 kmM 4.9 · 119 km E of Severo-Kuril’sk, Russia · 10.0 kmM 4.5 · 186 km ESE of Severo-Kuril’sk, Russia · 71.8 kmM 4.5 · 79 km ESE of Ozernovskiy, Russia · 77.0 kmM 4.5 · 176 km ESE of Severo-Kuril’sk, Russia · 68.3 kmM 4.5 · 155 km ESE of Severo-Kuril’sk, Russia · 50.0 kmM 4.6 · 71 km SE of Ozernovskiy, Russia · 68.1 kmM 4.7 · 143 km E of Severo-Kuril’sk, Russia · 23.0 kmM 4.9 · 221 km E of Severo-Kuril’sk, Russia · 98.9 kmM 4.6 · 202 km E of Severo-Kuril’sk, Russia · 80.0 kmM 4.9 · 214 km E of Severo-Kuril’sk, Russia · 91.9 kmM 4.6 · 179 km ESE of Severo-Kuril’sk, Russia · 71.9 kmM 5.1 · 219 km ESE of Severo-Kuril’sk, Russia · 96.8 kmM 4.8 · 175 km E of Severo-Kuril’sk, Russia · 52.3 kmM 4.9 · 72 km ENE of Severo-Kuril’sk, Russia · 67.5 kmM 4.6 · 194 km ESE of Severo-Kuril’sk, Russia · 91.8 kmM 4.6 · 88 km SE of Severo-Kuril’sk, Russia · 80.6 kmM 4.5 · 147 km SE of Severo-Kuril’sk, Russia · 94.9 kmM 4.9 · 104 km E of Ozernovskiy, Russia · 90.6 kmM 5.0 · 77 km SE of Severo-Kuril’sk, Russia · 74.4 kmM 4.9 · 73 km E of Severo-Kuril’sk, Russia · 49.8 kmM 4.8 · 194 km ESE of Severo-Kuril’sk, Russia · 80.5 kmM 5.0 · 69 km ESE of Ozernovskiy, Russia · 88.7 kmM 4.5 · 169 km E of Severo-Kuril’sk, Russia · 46.9 kmM 4.5 · 146 km SE of Severo-Kuril’sk, Russia · 96.5 kmM 4.5 · 184 km ESE of Severo-Kuril’sk, Russia · 70.5 kmM 4.6 · 185 km ESE of Severo-Kuril’sk, Russia · 69.5 kmM 4.7 · 195 km ESE of Severo-Kuril’sk, Russia · 90.8 kmM 4.6 · 100 km ESE of Severo-Kuril’sk, Russia · 56.9 kmM 4.6 · 109 km E of Severo-Kuril’sk, Russia · 26.3 kmM 4.9 · 111 km ESE of Severo-Kuril’sk, Russia · 19.0 kmM 5.1 · 193 km E of Severo-Kuril’sk, Russia · 70.1 kmM 4.8 · 91 km SE of Ozernovskiy, Russia · 49.8 kmM 4.9 · 109 km SE of Severo-Kuril’sk, Russia · 62.5 kmM 5.1 · 207 km ESE of Severo-Kuril’sk, Russia · 97.7 kmM 4.5 · 65 km SE of Ozernovskiy, Russia · 74.0 kmM 4.8 · 153 km ESE of Severo-Kuril’sk, Russia · 34.6 kmM 4.7 · 159 km ESE of Ozernovskiy, Russia · 83.9 kmM 4.9 · 158 km ESE of Ozernovskiy, Russia · 84.0 kmM 4.8 · 148 km E of Severo-Kuril’sk, Russia · 25.9 kmM 4.5 · 184 km E of Severo-Kuril’sk, Russia · 62.5 kmM 4.6 · 96 km SE of Severo-Kuril’sk, Russia · 61.5 kmM 4.7 · 89 km ESE of Severo-Kuril’sk, Russia · 46.3 kmM 5.0 · 138 km ESE of Ozernovskiy, Russia · 54.5 kmM 4.6 · 183 km ESE of Severo-Kuril’sk, Russia · 69.6 kmM 4.9 · 205 km ESE of Severo-Kuril’sk, Russia · 86.7 kmM 4.9 · 172 km ESE of Severo-Kuril’sk, Russia · 66.0 kmM 4.6 · 190 km ESE of Ozernovskiy, Russia · 83.8 kmM 5.1 · 107 km SE of Severo-Kuril’sk, Russia · 86.1 kmM 4.6 · 74 km ESE of Ozernovskiy, Russia · 73.9 kmM 4.8 · 202 km ESE of Severo-Kuril’sk, Russia · 82.5 kmM 4.5 · 131 km ESE of Severo-Kuril’sk, Russia · 20.3 kmM 4.7 · 219 km ESE of Severo-Kuril’sk, Russia · 98.5 kmM 5.2 · 212 km ESE of Severo-Kuril’sk, Russia · 90.5 kmM 5.0 · 198 km E of Severo-Kuril’sk, Russia · 75.8 kmM 5.1 · 207 km ESE of Severo-Kuril’sk, Russia · 86.2 kmM 4.7 · 121 km SE of Severo-Kuril’sk, Russia · 97.5 kmM 4.6 · 133 km E of Severo-Kuril’sk, Russia · 19.2 kmM 4.7 · 119 km E of Severo-Kuril’sk, Russia · 9.8 kmM 4.5 · 132 km E of Severo-Kuril’sk, Russia · 10.4 kmM 5.1 · 204 km ESE of Severo-Kuril’sk, Russia · 86.3 kmM 4.5 · 108 km E of Severo-Kuril’sk, Russia · 18.9 kmM 4.5 · 155 km ESE of Severo-Kuril’sk, Russia · 40.5 kmM 5.0 · 169 km ESE of Severo-Kuril’sk, Russia · 51.1 kmM 4.5 · 190 km ESE of Severo-Kuril’sk, Russia · 68.8 kmM 5.1 · 215 km ESE of Severo-Kuril’sk, Russia · 95.3 kmM 4.9 · 215 km ESE of Severo-Kuril’sk, Russia · 94.4 kmM 4.5 · 193 km ESE of Severo-Kuril’sk, Russia · 72.8 kmM 5.0 · 99 km SE of Severo-Kuril’sk, Russia · 61.6 kmM 4.5 · 82 km ESE of Ozernovskiy, Russia · 75.0 kmM 4.7 · 127 km ESE of Severo-Kuril’sk, Russia · 44.9 kmM 4.9 · 137 km E of Severo-Kuril’sk, Russia · 16.9 kmM 4.9 · 215 km ESE of Severo-Kuril’sk, Russia · 94.0 kmM 4.5 · 63 km SE of Ozernovskiy, Russia · 76.7 kmM 4.5 · 189 km ESE of Severo-Kuril’sk, Russia · 94.0 kmM 5.0 · 169 km ESE of Ozernovskiy, Russia · 81.5 kmM 4.7 · 183 km ESE of Severo-Kuril’sk, Russia · 62.9 kmM 4.5 · 200 km E of Severo-Kuril’sk, Russia · 77.7 kmM 5.2 · 215 km ESE of Severo-Kuril’sk, Russia · 95.8 kmM 5.3 · 193 km E of Severo-Kuril’sk, Russia · 71.3 kmM 6.1 · 215 km ESE of Severo-Kuril’sk, Russia · 94.8 kmM 4.6 · 181 km ESE of Severo-Kuril’sk, Russia · 78.4 km
M 6.8 · 123 km E of Severo-Kuril’sk, 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

Quake Pulse

USGS data evolution

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

Revisions1
Magnitude change+0.0M 6.8 → M 6.8
Depth change+0.0 km
Last update515117 min
2025-10-17 22:51:42 UTC2025-10-17 22:51:42 UTC

Explore related context

Putting this earthquake in context

An earthquake record can change after the first automatic publication as additional stations contribute data and analysts refine the solution.

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.

Read the methodology →

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