Updated 2026-08-27 19:47:58 UTC

M 0.5 — 4 km SSE of San Bernardino, CA

Magnitude 0.5, depth 2.3 km, 2026-08-24 02:47:40 UTC.

MagnitudeM 0.5
Depth2.3 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 0.5 at 2.3 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#205,138
Magnitude rank in country#20,980
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 significance4
Depth contextShallow
Nearby major cityLos Angeles89 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 0.5 · 4 km SSE of San Bernardino, CA · 100 kmInteractive 3D view of earthquakes within 100 km of M 0.5 · 4 km SSE of San Bernardino, CA.M 0.5 · 4 km SSE of San Bernardino, CAM 1.2 · 10 km E of Yorba Linda, CA · 45.1 kmM 0.9 · 5 km SW of Idyllwild, CA · 64.8 kmM 2.1 · 5 km NW of Highland, CA · 7.8 kmM 1.1 · 11 km N of Victorville, CA · 59.6 kmM 0.8 · 7 km SE of Valle Vista, CA · 59.6 kmM 0.8 · 12 km N of Cabazon, CA · 47.9 kmM 1.0 · 12 km S of Joshua Tree, CA · 88.4 kmM 0.8 · 7 km SE of Valle Vista, CA · 59.6 kmM 0.4 · 5 km WSW of Anza, CA · 81.1 kmM 0.8 · 10 km NE of Thousand Palms, CA · 91.4 kmM 0.9 · 10 km NE of Thousand Palms, CA · 91.5 kmM 0.9 · 7 km E of Calimesa, CA · 30.1 kmM 0.7 · 10 km NE of Thousand Palms, CA · 91.7 kmM -0.1 · 15 km N of Warner Springs, CA · 96.0 kmM 0.2 · 4 km WSW of Anza, CA · 81.5 kmM 0.9 · 10 km SW of Morongo Valley, CA · 58.7 kmM -0.1 · 7 km SW of Anza, CA · 81.6 kmM 1.3 · 7 km SW of Anza, CA · 81.6 kmM 1.1 · 8 km SW of Anza, CA · 82.0 kmM 0.4 · 7 km SW of Anza, CA · 81.8 kmM 1.1 · 8 km SW of Anza, CA · 82.1 kmM 1.4 · 7 km N of Beaumont, CA · 30.2 kmM 0.5 · 5 km ESE of Valle Vista, CA · 56.7 kmM 0.1 · 4 km WSW of Anza, CA · 81.4 kmM 1.2 · 10 km NE of Glendora, CA · 49.0 kmM 0.7 · 5 km NNW of Corona, CA · 35.6 kmM 1.2 · 1 km S of Muscoy, CA · 7.9 kmM 1.5 · 4 km SE of Home Gardens, CA · 33.9 kmM 0.6 · 11 km NW of Anza, CA · 71.5 kmM 1.9 · 15 km N of Cabazon, CA · 46.9 kmM 1.2 · 3 km ENE of Moreno Valley, CA · 19.5 kmM 0.4 · 9 km SW of Idyllwild, CA · 64.1 kmM 0.5 · 5 km SW of Winchester, CA · 48.8 kmM 0.6 · 1 km SE of Muscoy, CA · 8.0 kmM 0.5 · 15 km ESE of Anza, CA · 95.1 kmM 0.8 · 9 km SSE of Redlands, CA · 17.3 kmM 0.8 · 8 km NNW of Lake Henshaw, CA · 99.0 kmM 0.7 · 8 km NNW of Lake Henshaw, CA · 99.0 kmM 1.0 · 7 km SSE of Redlands, CA · 15.4 kmM 0.3 · 12 km W of Anza, CA · 73.3 kmM 0.3 · 9 km WNW of Anza, CA · 74.4 kmM 0.8 · 9 km WNW of Anza, CA · 74.7 kmM 0.4 · 17 km ESE of Anza, CA · 97.7 kmM 0.5 · 15 km E of Desert Hot Springs, CA · 87.0 kmM 0.5 · 5 km SSW of Banning, CA · 42.9 kmM 1.0 · 8 km SW of Anza, CA · 81.9 kmM 0.6 · 6 km S of Cabazon, CA · 52.3 kmM 0.8 · 3 km ESE of Cabazon, CA · 52.3 kmM 1.2 · 6 km NNE of Beaumont, CA · 32.1 kmM 0.9 · 1 km NNE of Loma Linda, CA · 4.8 kmM 0.3 · 9 km WNW of Anza, CA · 74.4 kmM 0.7 · 3 km S of Redlands, CA · 11.7 kmM 1.4 · 5 km WNW of Anza, CA · 77.9 kmM 0.8 · 5 km SSW of Redlands, CA · 11.0 kmM 0.8 · 10 km WSW of Corona, CA · 46.2 kmM 0.8 · 12 km W of Anza, CA · 73.4 kmM 1.0 · 2 km NNE of Colton, CA · 2.6 kmM 0.5 · 9 km S of Idyllwild, CA · 70.1 kmM 0.7 · 8 km NNW of Lake Henshaw, CA · 99.0 kmM 0.9 · 8 km NNW of Lake Henshaw, CA · 99.0 kmM 1.0 · 5 km WNW of Calimesa, CA · 18.8 kmM 0.1 · 12 km W of Anza, CA · 73.3 kmM 1.9 · 2 km ENE of Colton, CA · 2.4 kmM 0.4 · 17 km ESE of Anza, CA · 97.4 kmM 1.4 · 10 km WSW of Corona, CA · 46.2 kmM 0.3 · 8 km SE of Valle Vista, CA · 60.1 kmM 1.3 · 7 km SE of Valle Vista, CA · 59.8 kmM 0.8 · 4 km SE of Ontario, CA · 29.8 kmM 0.7 · 4 km NNW of Anza, CA · 78.3 kmM 0.2 · 3 km WSW of Anza, CA · 81.5 kmM 1.0 · 4 km NNE of Yucca Valley, CA · 79.6 kmM 0.5 · 8 km SSW of Idyllwild, CA · 67.8 kmM 1.6 · 4 km SW of Paramount, CA · 88.2 kmM 0.2 · 4 km WSW of Anza, CA · 81.6 kmM 0.9 · 4 km WSW of Anza, CA · 81.6 kmM 0.7 · 4 km N of Banning, CA · 40.6 kmM 1.2 · 9 km WSW of Idyllwild, CA · 62.2 kmM 0.3 · 12 km W of Anza, CA · 73.0 kmM 0.4 · 7 km NW of Anza, CA · 75.7 kmM 1.1 · 10 km E of Yorba Linda, CA · 45.4 kmM 0.5 · 12 km W of Anza, CA · 73.1 kmM 0.5 · 12 km W of Anza, CA · 73.5 kmM 0.5 · 6 km E of Cabazon, CA · 55.1 kmM 1.1 · 13 km W of Anza, CA · 73.1 kmM 0.0 · 9 km S of Idyllwild, CA · 71.8 kmM 0.6 · 4 km WNW of Yucaipa, CA · 19.2 kmM 1.1 · 2 km SE of Home Gardens, CA · 33.6 kmM 0.5 · 9 km NE of Aguanga, CA · 80.8 kmM 0.7 · 2 km ESE of Home Gardens, CA · 32.3 kmM 1.3 · 6 km SE of Valle Vista, CA · 58.7 kmM 0.2 · 7 km SE of Valle Vista, CA · 59.1 kmM 1.5 · 7 km SE of Valle Vista, CA · 59.5 kmM 1.6 · 6 km SE of Valle Vista, CA · 58.7 kmM 0.6 · 7 km ENE of Running Springs, CA · 26.2 kmM 0.8 · 2 km E of Winchester, CA · 47.5 kmM 0.7 · 10 km W of Garnet, CA · 61.8 kmM 0.6 · 17 km ESE of Anza, CA · 97.3 kmM 0.9 · 4 km SE of Mentone, CA · 17.0 kmM 0.8 · 2 km ENE of Winchester, CA · 47.1 kmM 0.5 · 2 km ENE of Winchester, CA · 47.0 km
M 0.5 · 4 km SSE of San Bernardino, 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 0.5 → M 0.5
Depth change+0.0 km
Last update63522 min
2026-08-27 19:47:58 UTC2026-08-27 19:47:58 UTC

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Putting this earthquake in context

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Interpret the numbers

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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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