Updated 2026-10-16 12:12:21 UTC

M 1.8 — 13 km WNW of Bonny Doon, CA

Magnitude 1.8, depth 6.1 km, 2026-10-16 11:17:20 UTC.

MagnitudeM 1.8
Depth6.1 km
Felt reports—
Statusautomatic
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 Index48/100Normal
Current 30 days1
Historical monthly median1.0
Historical percentileP48
M5+ in 30 days0
M6+ in 30 days0
Activity trendaround the historical range (+0%)
Baseline months: 43Last 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 1.8 at 6.1 km depth.
  • The solution has already been revised 3 times in Quake Pulse.
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#195,285
Magnitude rank in country#802
M4.5+ within 250 km, ±15 days0
Quake Pulse

Impact and context

Descriptive indicators available for this event and its surroundings.

0/100Limited context
Felt reports—
Max felt intensity (CDI)—
Instrumental intensity (MMI)—
PAGER alertNot available
Tsunami indicator—
USGS significance48
Depth contextShallow
Nearby major citySan Francisco78 km · 808,000

Nearby major city

Displayed population is the indexed city population, not an estimate of people exposed.

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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 1.8 · 13 km WNW of Bonny Doon, CA · 100 kmInteractive 3D view of earthquakes within 100 km of M 1.8 · 13 km WNW of Bonny Doon, CA.M 1.8 · 13 km WNW of Bonny Doon, CAM 1.7 · 1 km SW of San Ramon, CA · 82.1 kmM 2.4 · 2 km SSW of San Ramon, CA · 81.1 kmM 1.6 · 1 km WSW of San Ramon, CA · 81.7 kmM 1.4 · 2 km W of San Ramon, CA · 82.0 kmM 1.1 · 2 km SSW of San Ramon, CA · 80.8 kmM 1.8 · 1 km SW of San Ramon, CA · 81.7 kmM 2.4 · 4 km NNW of Hollister, CA · 81.0 kmM 1.9 · 14 km S of Tres Pinos, CA · 98.7 kmM 1.6 · 2 km WSW of Alamo, CA · 87.6 kmM 1.9 · 9 km SW of Tres Pinos, CA · 90.4 kmM 2.1 · 10 km SW of Tres Pinos, CA · 90.3 kmM 1.3 · 10 km E of Alum Rock, CA · 59.7 kmM 2.2 · 11 km SSW of Tres Pinos, CA · 93.5 kmM 1.4 · 7 km S of Gilroy, CA · 66.4 kmM 1.8 · 3 km WSW of San Francisco Zoo, CA · 73.9 kmM 0.5 · 11 km NE of San Martin, CA · 68.6 kmM 2.1 · 26 km WSW of Westley, CA · 83.6 kmM 1.3 · 10 km E of Gilroy, CA · 74.5 kmM 1.6 · 10 km E of Gilroy, CA · 74.4 kmM 1.9 · 10 km E of Gilroy, CA · 74.6 kmM 1.6 · 4 km ENE of El Granada, CA · 49.8 kmM 2.5 · 10 km ESE of Gilroy, CA · 74.5 kmM 1.2 · 6 km S of Portola Valley, CA · 28.1 kmM 0.8 · 12 km SE of Livermore, CA · 79.7 kmM 1.5 · 13 km SE of Livermore, CA · 79.8 kmM 1.9 · 4 km SW of San Juan Bautista, CA · 70.0 kmM 1.6 · 5 km SW of Ridgemark, CA · 85.2 kmM 1.0 · 13 km SE of Livermore, CA · 81.9 kmM 1.2 · 1 km WNW of Alamo, CA · 88.9 kmM 2.2 · 4 km SSW of San Juan Bautista, CA · 71.5 kmM 1.6 · 26 km WSW of Westley, CA · 83.4 kmM 1.4 · 3 km NNE of San Leandro, CA · 75.2 kmM 0.7 · 20 km E of Alum Rock, CA · 67.2 kmM 1.9 · 1 km NE of Woodside, CA · 40.0 kmM 1.7 · 9 km N of Hollister, CA · 79.6 kmM 2.3 · 4 km SSW of Lexington Hills, CA · 27.5 kmM 1.6 · 2 km WNW of Hollister, CA · 81.7 kmM 2.1 · 2 km NW of Hollister, CA · 81.9 kmM 1.7 · 8 km ESE of Prunedale, CA · 72.4 kmM 1.5 · 14 km S of Tres Pinos, CA · 97.7 kmM 0.9 · 14 km SSE of Livermore, CA · 75.2 kmM 1.8 · 19 km WNW of Boulder Creek, CA · 15.5 kmM 1.7 · 2 km SSE of Los Altos Hills, CA · 34.9 kmM 1.6 · 12 km SSW of Tres Pinos, CA · 94.6 kmM 2.2 · 8 km ENE of Morgan Hill, CA · 64.8 kmM 1.6 · 6 km SW of Clayton, CA · 95.1 kmM 1.7 · 4 km NW of Orinda, CA · 91.5 kmM 0.9 · 3 km ESE of Berkeley, CA · 87.6 kmM 1.6 · 9 km NNE of Milpitas, CA · 60.3 kmM 1.2 · 8 km SW of Loyola, CA · 27.0 kmM 1.5 · 10 km ENE of Morgan Hill, CA · 66.8 kmM 1.0 · 12 km SE of Livermore, CA · 79.7 kmM 2.4 · 9 km E of Alum Rock, CA · 59.4 kmM 1.2 · 12 km SE of Livermore, CA · 79.7 kmM 1.4 · 11 km SSW of Tres Pinos, CA · 91.0 kmM 2.0 · 1 km NNW of East Richmond Heights, CA · 97.3 kmM 1.0 · 4 km WSW of Cupertino, CA · 32.0 kmM 1.1 · 5 km WSW of Cupertino, CA · 31.5 kmM 1.1 · 1 km NE of Aromas, CA · 61.9 kmM 1.2 · 2 km NE of Pacifica, CA · 62.7 kmM 1.3 · 11 km SW of Loyola, CA · 24.0 kmM 2.1 · 26 km WSW of Westley, CA · 83.6 kmM 1.1 · 11 km N of Hollister, CA · 78.9 kmM 1.0 · 9 km E of Gilroy, CA · 73.2 kmM 1.7 · 2 km NW of Hollister, CA · 81.5 kmM 1.2 · 15 km E of Seven Trees, CA · 59.9 kmM 1.0 · 8 km ENE of Gilroy, CA · 71.4 kmM 1.7 · 2 km SW of San Ramon, CA · 80.6 kmM 1.3 · 11 km SSE of Portola Valley, CA · 25.2 kmM 1.4 · 26 km WSW of Westley, CA · 83.4 kmM 2.1 · 12 km NNE of Alum Rock, CA · 62.5 kmM 1.2 · 26 km WSW of Westley, CA · 83.4 kmM 1.3 · 26 km WSW of Westley, CA · 83.3 kmM 1.7 · 26 km WSW of Westley, CA · 83.5 kmM 1.4 · 26 km WSW of Westley, CA · 83.5 kmM 2.6 · 26 km WSW of Westley, CA · 83.3 kmM 1.3 · 26 km WSW of Westley, CA · 83.3 kmM 3.3 · 27 km WSW of Westley, CA · 83.2 kmM 1.6 · 3 km SW of San Ramon, CA · 80.4 kmM 1.1 · 8 km SSE of Sunol, CA · 65.1 kmM 1.2 · 8 km SSE of Sunol, CA · 64.8 kmM 2.3 · 4 km WNW of Orinda, CA · 90.3 kmM 1.1 · 2 km NW of Hollister, CA · 82.1 kmM 1.7 · 12 km SE of Livermore, CA · 79.9 kmM 1.4 · 12 km SE of Livermore, CA · 79.8 kmM 1.1 · 2 km NE of Danville, CA · 87.9 kmM 1.4 · 12 km SE of Livermore, CA · 79.6 kmM 1.1 · 13 km SE of Livermore, CA · 81.4 kmM 1.8 · 11 km SSW of La Selva Beach, CA · 43.6 kmM 1.5 · 6 km ENE of Chualar, CA · 92.5 kmM 1.7 · 5 km ESE of Interlaken, CA · 56.3 kmM 2.6 · 2 km NW of Hollister, CA · 81.6 kmM 1.9 · 10 km SSW of Tres Pinos, CA · 90.5 kmM 0.9 · 20 km NE of Alum Rock, CA · 72.0 kmM 1.4 · 4 km NNW of San Leandro, CA · 76.2 kmM 2.3 · 2 km SE of Pacifica, CA · 59.9 kmM 1.5 · 8 km E of Alum Rock, CA · 58.3 kmM 1.7 · 10 km SW of Ridgemark, CA · 85.5 kmM 2.0 · 9 km ESE of Livermore, CA · 82.5 kmM 1.2 · 2 km SE of Pacifica, CA · 60.1 km
M 1.8 · 13 km WNW of Bonny Doon, CA100 km100 Recent earthquakes

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

Sequence context

No public sequence is currently associated with this event.

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.

Revisions3
Magnitude change+0.0M 1.8 → M 1.8
Depth change+0.0 km
Last update4636 min
2026-10-16 11:18:57 UTC2026-10-16 12:12:21 UTC

Revision history

Observed changes stored by Quake Pulse.

Mise à jourMagnitudeDepthStatus
2026-10-16 11:18:57 UTC1.766.0900001525879 kmautomatic
2026-10-16 11:42:23 UTC1.766.0900001525879 kmautomatic
2026-10-16 12:12:21 UTC1.766.0900001525879 kmautomatic

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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

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