Updated 2026-09-01 23:48:18 UTC

M 1.5 — 5 km ENE of Rancho San Diego, CA

Magnitude 1.5, depth -0.3 km, 2026-09-01 21:30:16 UTC.

MagnitudeM 1.5
Depth-0.3 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 1.5 at -0.3 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#197,081
Magnitude rank in country#13,009
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 significance34
Depth contextShallow
Nearby major cityLos Angeles190 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 1.5 · 5 km ENE of Rancho San Diego, CA · 100 kmInteractive 3D view of earthquakes within 100 km of M 1.5 · 5 km ENE of Rancho San Diego, CA.M 1.5 · 5 km ENE of Rancho San Diego, CAM 1.7 · 25 km ESE of Ocotillo Wells, CA · 98.4 kmM 1.1 · 10 km NNW of Ocotillo Wells, CA · 81.6 kmM 1.2 · 11 km NW of Aguanga, CA · 81.5 kmM 0.9 · 21 km ESE of Anza, CA · 90.9 kmM 1.1 · 22 km ESE of Anza, CA · 86.6 kmM 0.7 · 22 km ESE of Anza, CA · 86.6 kmM 0.8 · 9 km WNW of Anza, CA · 90.9 kmM 1.6 · 16 km ESE of Julian, CA · 50.7 kmM 0.1 · 9 km NNW of Anza, CA · 97.7 kmM 0.5 · 16 km ESE of Anza, CA · 86.7 kmM 0.7 · 4 km NNW of Anza, CA · 92.6 kmM 0.5 · 9 km WNW of Anza, CA · 91.1 kmM 1.1 · 23 km ESE of Ocotillo Wells, CA · 96.8 kmM 1.3 · 23 km ESE of Ocotillo Wells, CA · 96.8 kmM 0.5 · 9 km WNW of Anza, CA · 91.1 kmM 0.6 · 9 km WNW of Anza, CA · 90.8 kmM 2.0 · 9 km WNW of Anza, CA · 90.1 kmM 0.3 · 9 km WNW of Anza, CA · 91.7 kmM 0.3 · 12 km NE of Julian, CA · 54.9 kmM 0.9 · 24 km ESE of Ocotillo Wells, CA · 98.5 kmM 1.1 · 24 km ESE of Ocotillo Wells, CA · 97.7 kmM 0.9 · 24 km ESE of Ocotillo Wells, CA · 97.6 kmM 1.0 · 24 km ESE of Ocotillo Wells, CA · 97.9 kmM 1.2 · 23 km ESE of Ocotillo Wells, CA · 96.5 kmM 1.0 · 23 km ESE of Ocotillo Wells, CA · 96.3 kmM 0.5 · 8 km E of Anza, CA · 90.4 kmM 0.4 · 12 km W of Anza, CA · 88.8 kmM 0.8 · 15 km SSW of Borrego Springs, CA · 58.7 kmM 0.8 · 3 km WSW of Borrego Springs, CA · 69.3 kmM 1.2 · 14 km ENE of Temecula, CA · 85.1 kmM 1.6 · 14 km ENE of Temecula, CA · 84.6 kmM 0.2 · 7 km WSW of Anza, CA · 84.8 kmM 0.8 · 21 km ESE of Anza, CA · 91.1 kmM 0.6 · 21 km SW of La Quinta, CA · 91.6 kmM 0.1 · 21 km ESE of Anza, CA · 91.3 kmM 0.3 · 3 km NE of Aguanga, CA · 77.0 kmM 1.3 · 21 km ESE of Anza, CA · 90.9 kmM 3.1 · 20 km ESE of Anza, CA · 90.2 kmM 0.7 · 22 km ESE of Anza, CA · 86.7 kmM 0.5 · 6 km ENE of Anza, CA · 92.7 kmM 1.2 · 6 km NNW of Lakeside, CA · 16.3 kmM 0.7 · 6 km ENE of Anza, CA · 92.4 kmM 1.0 · 11 km N of Borrego Springs, CA · 81.0 kmM 0.1 · 7 km WSW of Anza, CA · 84.2 kmM 0.4 · 7 km SW of Anza, CA · 83.8 kmM 1.0 · 18 km N of Borrego Springs, CA · 86.4 kmM 0.8 · 22 km ESE of Anza, CA · 87.0 kmM 0.1 · 4 km WSW of Anza, CA · 86.7 kmM 1.4 · 8 km SW of Anza, CA · 83.1 kmM 0.8 · 22 km ESE of Anza, CA · 86.4 kmM 0.8 · 8 km NNE of Pala, CA · 73.6 kmM 0.9 · 22 km ESE of Anza, CA · 86.4 kmM 0.8 · 4 km WNW of Anza, CA · 90.6 kmM 0.8 · 5 km E of Borrego Springs, CA · 75.8 kmM 0.7 · 8 km SW of Anza, CA · 83.7 kmM 1.3 · 6 km SW of Salton City, CA · 98.3 kmM 0.7 · 17 km NNE of Borrego Springs, CA · 87.8 kmM 0.4 · 4 km NNW of Anza, CA · 93.2 kmM 1.3 · 5 km NE of Rancho San Diego, CA · 0.7 kmM 1.5 · 7 km WSW of Pala, CA · 66.6 kmM 0.7 · 8 km WNW of Anza, CA · 91.2 kmM 0.3 · 11 km SE of Anza, CA · 84.4 kmM 2.1 · 9 km WNW of Anza, CA · 90.0 kmM 1.4 · 9 km WNW of Anza, CA · 90.1 kmM 0.6 · 9 km NE of Aguanga, CA · 80.2 kmM 1.0 · 15 km N of Borrego Springs, CA · 83.1 kmM -0.1 · 15 km SSE of Anza, CA · 75.6 kmM 0.3 · 10 km S of Idyllwild, CA · 99.1 kmM 0.4 · 15 km SE of Anza, CA · 81.5 kmM 0.4 · 17 km SE of Anza, CA · 83.9 kmM 0.7 · 17 km SE of Anza, CA · 83.6 kmM 0.8 · 10 km ENE of Borrego Springs, CA · 80.9 kmM 0.3 · 18 km SSW of La Quinta, CA · 94.4 kmM 0.6 · 19 km SSW of La Quinta, CA · 94.0 kmM 1.2 · 20 km ESE of Anza, CA · 87.8 kmM 1.1 · 10 km S of Idyllwild, CA · 99.4 kmM 0.5 · 6 km NW of Lake Henshaw, CA · 55.8 kmM 0.4 · 9 km SSW of Idyllwild, CA · 99.9 kmM 0.7 · 9 km N of Borrego Springs, CA · 78.7 kmM 0.6 · 11 km NE of Julian, CA · 54.1 kmM 0.6 · 17 km SW of La Quinta, CA · 95.8 kmM 0.2 · 9 km WNW of Anza, CA · 90.9 kmM 1.1 · 11 km SSW of Idyllwild, CA · 98.1 kmM 1.2 · 17 km N of Borrego Springs, CA · 85.8 kmM 0.9 · 9 km WNW of Anza, CA · 90.2 kmM 1.7 · 9 km WNW of Anza, CA · 89.8 kmM 0.8 · 4 km SW of Anza, CA · 86.4 kmM 0.5 · 3 km WSW of Anza, CA · 86.8 kmM 1.5 · 19 km ESE of Anza, CA · 87.8 kmM 0.6 · 12 km SSW of Borrego Springs, CA · 61.5 kmM 1.4 · 4 km NW of Aguanga, CA · 77.4 kmM 0.5 · 11 km ESE of Anza, CA · 87.8 kmM 0.9 · 12 km NW of Warner Springs, CA · 68.1 kmM 0.9 · 7 km WSW of Anza, CA · 85.4 kmM 0.6 · 7 km ESE of Palomar Observatory, CA · 62.1 kmM 0.2 · 4 km WSW of Anza, CA · 86.7 kmM 0.5 · 4 km N of Julian, CA · 45.9 kmM 2.3 · 25 km WSW of Westmorland, CA · 97.4 kmM 0.8 · 10 km NNW of Anza, CA · 97.6 kmM 0.0 · 12 km W of Anza, CA · 89.2 km
M 1.5 · 5 km ENE of Rancho San Diego, 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 1.5 → M 1.5
Depth change+0.0 km
Last update55961 min
2026-09-01 23:48:18 UTC2026-09-01 23:48:18 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

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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