Updated 2026-08-11 13:45:10 UTC

M 0.4 — 6 km SSE of Palomar Observatory, CA

Magnitude 0.4, depth 13.6 km, 2026-08-11 03:38:50 UTC.

MagnitudeM 0.4
Depth13.6 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 0.4 at 13.6 km depth.
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#205,682
Magnitude rank in country#21,543
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 significance2
Depth contextShallow
Nearby major cityLos Angeles155 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 0.4 · 6 km SSE of Palomar Observatory, CA · 100 kmInteractive 3D view of earthquakes within 100 km of M 0.4 · 6 km SSE of Palomar Observatory, CA.M 0.4 · 6 km SSE of Palomar Observatory, CAM 1.0 · 11 km ENE of Borrego Springs, CA · 52.5 kmM 0.0 · 7 km SW of Anza, CA · 25.2 kmM 0.4 · 12 km S of Anza, CA · 22.8 kmM 0.5 · 7 km WNW of Lake Elsinore, CA · 67.9 kmM 0.7 · 8 km SE of Winchester, CA · 43.5 kmM 0.9 · 4 km ENE of Cabazon, CA · 70.2 kmM 0.3 · 11 km S of Anza, CA · 22.9 kmM 0.8 · 12 km S of Anza, CA · 22.2 kmM 1.0 · 8 km W of Anza, CA · 29.4 kmM 1.5 · 15 km SW of Tecate, B.C., MX · 91.5 kmM 0.6 · 23 km SSW of La Quinta, CA · 41.9 kmM 0.0 · 8 km W of Anza, CA · 29.2 kmM 0.5 · 17 km ESE of Anza, CA · 35.5 kmM 0.5 · 17 km ESE of Anza, CA · 35.9 kmM 0.7 · 19 km NNE of Indio, CA · 89.5 kmM 1.6 · 5 km SSE of Home Gardens, CA · 85.5 kmM 0.7 · 4 km SW of Winchester, CA · 49.2 kmM 1.2 · 12 km W of Anza, CA · 29.9 kmM 1.4 · 3 km SSE of Loma Linda, CA · 89.0 kmM 0.4 · 17 km ESE of Anza, CA · 35.8 kmM 0.9 · 17 km ESE of Anza, CA · 35.0 kmM 1.3 · 16 km ESE of Anza, CA · 34.5 kmM 0.9 · 17 km SW of Oasis, CA · 56.9 kmM 0.6 · 12 km W of Anza, CA · 29.6 kmM 0.5 · 10 km SSE of Idyllwild, CA · 41.0 kmM 0.8 · 25 km SW of Ocotillo Wells, CA · 63.1 kmM 0.3 · 12 km SE of Anza, CA · 31.7 kmM 0.3 · 18 km ESE of Anza, CA · 36.2 kmM 0.3 · 6 km NNE of Banning, CA · 74.5 kmM 0.7 · 8 km S of Idyllwild, CA · 41.8 kmM 1.4 · 10 km S of Idyllwild, CA · 40.0 kmM 1.5 · 22 km SW of La Quinta, CA · 42.3 kmM 0.6 · 17 km ESE of Anza, CA · 35.6 kmM 0.3 · 17 km ESE of Anza, CA · 35.9 kmM 1.9 · 16 km ESE of Anza, CA · 34.0 kmM 0.7 · 13 km ENE of Borrego Springs, CA · 54.3 kmM 0.3 · 8 km W of Anza, CA · 29.5 kmM 0.3 · 8 km W of Anza, CA · 29.3 kmM 1.4 · 9 km W of Anza, CA · 28.5 kmM 1.2 · 16 km ESE of Anza, CA · 34.6 kmM 0.8 · 17 km ESE of Anza, CA · 35.4 kmM 2.1 · 16 km ESE of Anza, CA · 34.1 kmM 0.9 · 12 km WSW of Salton City, CA · 71.4 kmM 0.6 · 12 km NW of Warner Springs, CA · 13.9 kmM 0.7 · 1 km SE of Loma Linda, CA · 90.8 kmM 0.4 · 12 km W of Anza, CA · 29.5 kmM 0.6 · 12 km SSE of Anza, CA · 25.0 kmM 0.9 · 2 km ESE of Loma Linda, CA · 90.5 kmM 1.2 · 13 km ESE of Ocotillo Wells, CA · 80.5 kmM 1.1 · 7 km ESE of Chula Vista, CA · 79.7 kmM 0.8 · 3 km WNW of Green Acres, CA · 55.6 kmM 1.6 · 4 km SE of Home Gardens, CA · 86.4 kmM 0.7 · 27 km ENE of Pine Valley, CA · 68.7 kmM 0.7 · 9 km WNW of Anza, CA · 31.7 kmM 1.5 · 9 km WNW of Anza, CA · 31.1 kmM 1.0 · 10 km S of Idyllwild, CA · 39.7 kmM 0.3 · 11 km S of Anza, CA · 23.0 kmM 0.6 · 16 km ESE of Anza, CA · 35.0 kmM 0.7 · 8 km SSW of Idyllwild, CA · 41.1 kmM 0.8 · 5 km S of Redlands, CA · 84.8 kmM 1.3 · 9 km SSW of Idyllwild, CA · 40.7 kmM 0.6 · 5 km NNW of Beaumont, CA · 75.9 kmM 0.9 · 2 km NNE of Loma Linda, CA · 92.7 kmM 1.3 · 9 km S of Idyllwild, CA · 40.6 kmM 0.7 · 9 km WNW of Anza, CA · 31.7 kmM 0.5 · 8 km NNE of San Jacinto, CA · 60.9 kmM 1.1 · 10 km N of Borrego Springs, CA · 43.8 kmM 0.7 · 11 km N of Borrego Springs, CA · 44.6 kmM 0.6 · 9 km WNW of Anza, CA · 31.8 kmM 0.8 · 5 km NNW of Beaumont, CA · 75.5 kmM 1.0 · 5 km NNW of Beaumont, CA · 75.6 kmM 1.2 · 11 km N of Cabazon, CA · 79.1 kmM 0.8 · 5 km NNE of Banning, CA · 73.3 kmM 1.6 · 5 km SW of Idyllwild, CA · 44.9 kmM 1.0 · 11 km ENE of North Tustin, CA · 96.2 kmM 1.7 · 11 km ENE of North Tustin, CA · 95.9 kmM 0.7 · 28 km SSW of Ocotillo Wells, CA · 69.7 kmM 0.8 · 5 km N of Beaumont, CA · 75.4 kmM 1.3 · 5 km NNW of Beaumont, CA · 75.4 kmM 0.8 · 5 km E of Calimesa, CA · 76.8 kmM 0.8 · 5 km NNW of Beaumont, CA · 75.5 kmM 1.1 · 5 km NNW of Beaumont, CA · 75.3 kmM 1.3 · 4 km W of Highland, CA · 99.6 kmM 1.0 · 16 km NNE of Indio, CA · 87.4 kmM 0.7 · 9 km SSW of Idyllwild, CA · 40.3 kmM 1.2 · 5 km NW of Ocotillo, CA · 95.7 kmM 1.0 · 6 km NW of Ocotillo, CA · 95.2 kmM 0.8 · 18 km SW of Oasis, CA · 57.2 kmM 1.0 · 7 km NE of Cabazon, CA · 73.0 kmM 0.7 · 2 km E of Loma Linda, CA · 90.4 kmM 1.1 · 6 km NNW of Cabazon, CA · 73.8 kmM 1.8 · 6 km NNW of Cabazon, CA · 73.5 kmM 1.5 · 5 km S of Loma Linda, CA · 87.2 kmM 1.2 · 16 km N of Indio, CA · 84.6 kmM 0.7 · 14 km SE of Anza, CA · 31.1 kmM 0.9 · 13 km W of Anza, CA · 29.3 kmM 1.1 · 19 km SSW of Ocotillo Wells, CA · 65.2 kmM 0.8 · 9 km SE of Valle Vista, CA · 44.0 kmM 0.5 · 11 km S of Anza, CA · 23.2 kmM 1.0 · 8 km NW of Palomar Observatory, CA · 13.7 km
M 0.4 · 6 km SSE of Palomar Observatory, 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 0.4 → M 0.4
Depth change+0.0 km
Last update86338 min
2026-08-11 13:45:10 UTC2026-08-11 13:45:10 UTC

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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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