Updated 2026-08-28 21:08:15 UTC

M 0.9 — 13 km NW of Big Bear Lake, CA

Magnitude 0.9, depth 4.5 km, 2026-08-28 17:15:48 UTC.

MagnitudeM 0.9
Depth4.5 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 Index84/100Elevated
Current 30 days18
Historical monthly median11.0
Historical percentileP84
M5+ in 30 days6
M6+ in 30 days0
Activity trendabove the historical median (+64%)
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 0.9 at 4.5 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#202,271
Magnitude rank in country#18,122
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 significance12
Depth contextShallow
Nearby major cityLos Angeles116 km · 3,820,000

Nearby major city

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

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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 0.9 · 13 km NW of Big Bear Lake, CA · 100 kmInteractive 3D view of earthquakes within 100 km of M 0.9 · 13 km NW of Big Bear Lake, CA.M 0.9 · 13 km NW of Big Bear Lake, CAM 1.0 · 6 km SSE of Loma Linda, CA · 40.9 kmM 1.4 · 4 km NW of Aguanga, CA · 94.5 kmM 0.8 · 6 km SSE of Loma Linda, CA · 40.6 kmM 0.5 · 11 km ESE of Anza, CA · 97.8 kmM 0.9 · 7 km WSW of Anza, CA · 90.4 kmM 1.0 · 12 km NNW of Banning, CA · 32.9 kmM 1.5 · 9 km ESE of Yorba Linda, CA · 80.7 kmM 0.2 · 4 km WSW of Anza, CA · 90.8 kmM 1.4 · 4 km SE of Valle Vista, CA · 67.1 kmM 0.8 · 10 km NNE of Cabazon, CA · 43.2 kmM 0.8 · 10 km NNW of Anza, CA · 80.0 kmM 0.7 · 5 km S of Idyllwild, CA · 74.4 kmM 0.0 · 12 km W of Anza, CA · 84.6 kmM 0.9 · 1 km S of Garnet, CA · 63.9 kmM 0.5 · 4 km WNW of Anza, CA · 86.7 kmM 0.4 · 8 km WNW of Anza, CA · 84.5 kmM 1.2 · 5 km NE of Banning, CA · 42.6 kmM 0.9 · 6 km NNE of Yucca Valley, CA · 60.0 kmM 0.6 · 8 km WNW of Anza, CA · 84.9 kmM 1.1 · 17 km N of Indio, CA · 89.7 kmM 1.0 · 12 km E of Desert Hot Springs, CA · 71.2 kmM 0.4 · 4 km WSW of Anza, CA · 90.7 kmM 1.1 · 4 km NNW of Mira Loma, CA · 56.3 kmM 1.0 · 6 km WNW of Calimesa, CA · 34.1 kmM 1.3 · 8 km S of Chino Hills, CA · 79.0 kmM 0.2 · 9 km WNW of Anza, CA · 84.2 kmM 0.0 · 12 km W of Anza, CA · 84.6 kmM 0.4 · 9 km WNW of Anza, CA · 84.7 kmM 0.4 · 10 km S of Idyllwild, CA · 78.9 kmM 0.6 · 10 km S of Idyllwild, CA · 78.4 kmM 0.6 · 10 km S of Idyllwild, CA · 78.7 kmM 1.1 · 9 km WNW of Anza, CA · 85.0 kmM 0.3 · 9 km S of Idyllwild, CA · 77.9 kmM 1.4 · 13 km NW of Big Bear Lake, CA · 2.8 kmM 1.4 · 13 km NW of Big Bear Lake, CA · 2.7 kmM 1.3 · 3 km ENE of Fontana, CA · 44.0 kmM 0.5 · 7 km ENE of Anza, CA · 89.7 kmM 0.8 · 9 km WSW of Beaumont, CA · 45.8 kmM 1.0 · 9 km E of Yorba Linda, CA · 79.6 kmM 1.1 · 3 km SE of Beaumont, CA · 45.3 kmM 1.1 · 4 km WSW of Anza, CA · 91.0 kmM 0.7 · 8 km NNE of Moreno Valley, CA · 39.3 kmM 0.5 · 9 km WNW of Anza, CA · 84.3 kmM 0.3 · 10 km SSW of Idyllwild, CA · 76.6 kmM 1.3 · 3 km SE of Home Gardens, CA · 66.6 kmM 0.3 · 11 km SSW of Idyllwild, CA · 77.3 kmM 1.5 · 10 km ENE of North Tustin, CA · 84.2 kmM 0.6 · 9 km WNW of Anza, CA · 84.2 kmM 0.6 · 6 km SSE of Idyllwild, CA · 75.9 kmM 0.6 · 4 km WSW of Anza, CA · 90.8 kmM 1.1 · 11 km SSW of Idyllwild, CA · 77.0 kmM 0.7 · 6 km S of Redlands, CA · 38.2 kmM 0.9 · 6 km S of Redlands, CA · 38.0 kmM 0.4 · 9 km WNW of Anza, CA · 84.0 kmM 1.2 · 8 km S of Beaumont, CA · 50.8 kmM 1.2 · 9 km WNW of Anza, CA · 84.8 kmM 0.3 · 9 km WNW of Anza, CA · 84.1 kmM 1.0 · 1 km ESE of Home Gardens, CA · 66.2 kmM 1.3 · 16 km NNE of Apple Valley, CA · 36.4 kmM 1.4 · 5 km NNW of Lake Elsinore, CA · 73.5 kmM 1.1 · 6 km S of Redlands, CA · 37.2 kmM 1.1 · 2 km W of Calimesa, CA · 36.4 kmM 0.3 · 9 km WNW of Anza, CA · 84.5 kmM 1.6 · 13 km NE of Big Bear City, CA · 26.9 kmM 0.4 · 14 km ESE of Anza, CA · 98.8 kmM 0.9 · 6 km WNW of Calimesa, CA · 34.3 kmM 1.3 · 15 km S of Joshua Tree, CA · 72.7 kmM 1.6 · 14 km S of Joshua Tree, CA · 72.6 kmM 0.7 · 8 km WNW of Anza, CA · 84.7 kmM 1.0 · 2 km NW of Muscoy, CA · 34.8 kmM 0.9 · 6 km NW of Mira Loma, CA · 57.6 kmM 0.6 · 9 km WNW of Anza, CA · 84.7 kmM 0.3 · 9 km WNW of Anza, CA · 84.3 kmM 0.6 · 7 km E of Calimesa, CA · 35.4 kmM 0.4 · 9 km WNW of Anza, CA · 84.2 kmM 0.6 · 9 km WNW of Anza, CA · 84.3 kmM 0.8 · 0 km S of Calimesa, CA · 36.4 kmM 1.1 · 5 km SSE of Home Gardens, CA · 67.9 kmM 0.5 · 9 km WNW of Anza, CA · 84.1 kmM 0.3 · 9 km WNW of Anza, CA · 84.1 kmM 1.2 · 5 km NE of Bradbury, CA · 85.0 kmM 0.6 · 14 km ESE of Anza, CA · 98.5 kmM 1.0 · 6 km S of Banning, CA · 50.9 kmM 0.8 · 9 km NW of Garnet, CA · 54.6 kmM 1.5 · 4 km SE of Home Gardens, CA · 66.6 kmM 0.8 · 9 km WNW of Anza, CA · 84.1 kmM 0.3 · 12 km W of Anza, CA · 84.8 kmM 1.3 · 11 km SW of Morongo Valley, CA · 48.9 kmM 0.1 · 10 km ENE of Aguanga, CA · 94.7 kmM -0.1 · 7 km SW of Anza, CA · 92.1 kmM 1.0 · 8 km SW of Anza, CA · 92.7 kmM 1.2 · 13 km NE of Big Bear City, CA · 26.6 kmM 1.2 · 8 km N of Big Bear Lake, CA · 10.8 kmM 0.6 · 9 km WNW of Anza, CA · 84.3 kmM 0.6 · 3 km E of Moreno Valley, CA · 45.2 kmM 0.0 · 9 km WNW of Anza, CA · 84.3 kmM 2.6 · 9 km WNW of Anza, CA · 85.2 kmM 1.7 · 6 km SW of Idyllwild, CA · 71.4 kmM 0.7 · 10 km S of Idyllwild, CA · 78.3 kmM 1.3 · 12 km N of Cabazon, CA · 37.7 km
M 0.9 · 13 km NW of Big Bear Lake, 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.

Revisions1
Magnitude change+0.0M 0.9 → M 0.9
Depth change+0.0 km
Last update61942 min
2026-08-28 21:08:15 UTC2026-08-28 21:08:15 UTC

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Important limits

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