Updated 2026-09-08 17:35:53 UTC

M 1.5 — 8 km E of Porterville, CA

Magnitude 1.5, depth 5.3 km, 2026-09-08 17:32:30 UTC.

MagnitudeM 1.5
Depth5.3 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 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 5.3 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#196,946
Magnitude rank in country#12,915
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 Angeles231 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 · 8 km E of Porterville, CA · 100 kmInteractive 3D view of earthquakes within 100 km of M 1.5 · 8 km E of Porterville, CA.M 1.5 · 8 km E of Porterville, CAM 0.8 · 5 km ESE of Wofford Heights, CA · 62.2 kmM 2.3 · 9 km W of Corcoran, CA · 66.8 kmM 0.8 · 10 km ENE of Coso Junction, CA · 97.2 kmM 1.5 · 21 km S of Bodfish, CA · 83.8 kmM 1.8 · 8 km W of McFarland, CA · 55.3 kmM 0.4 · 16 km SSW of Little Lake, CA · 92.7 kmM 1.0 · 5 km ESE of Wofford Heights, CA · 62.2 kmM 3.1 · 5 km ESE of Wofford Heights, CA · 62.0 kmM 0.8 · 5 km ESE of Wofford Heights, CA · 61.9 kmM 0.9 · 12 km NW of Coso Junction, CA · 79.3 kmM 1.5 · 13 km NE of Coso Junction, CA · 95.3 kmM 1.8 · 21 km E of Porterville, CA · 13.0 kmM 2.7 · 8 km WSW of Corcoran, CA · 64.8 kmM 0.4 · 7 km NW of Little Lake, CA · 86.2 kmM 1.6 · 10 km NE of Coso Junction, CA · 95.2 kmM 0.3 · 13 km NNE of Coso Junction, CA · 91.9 kmM 2.2 · 21 km N of Kernville, CA · 47.3 kmM 0.7 · 10 km NE of Coso Junction, CA · 95.0 kmM 0.7 · 11 km SE of Bodfish, CA · 76.3 kmM 0.8 · 10 km ENE of Coso Junction, CA · 97.1 kmM 0.5 · 24 km W of Inyokern, CA · 88.0 kmM 0.8 · 24 km W of Inyokern, CA · 87.9 kmM 1.4 · 22 km NE of Arvin, CA · 85.6 kmM 0.8 · 7 km NE of Coso Junction, CA · 92.7 kmM 0.9 · 12 km NNE of Coso Junction, CA · 92.2 kmM 1.2 · 8 km NE of Coso Junction, CA · 92.7 kmM 1.4 · 32 km N of Kernville, CA · 45.8 kmM 1.7 · 31 km N of Kernville, CA · 45.8 kmM 1.0 · 31 km N of Kernville, CA · 45.6 kmM 0.7 · 27 km ESE of Lake Isabella, CA · 87.2 kmM 1.8 · 26 km ESE of Lake Isabella, CA · 86.6 kmM 1.6 · 26 km NW of Kernville, CA · 30.4 kmM 2.7 · 1 km S of Orange Cove, CA · 71.5 kmM 2.0 · 20 km NW of Tehachapi, CA · 92.9 kmM 0.7 · 10 km ENE of Coso Junction, CA · 97.0 kmM 1.7 · 9 km SE of Porterville, CA · 7.0 kmM 0.5 · 10 km NNE of Coso Junction, CA · 90.3 kmM 0.1 · 25 km WNW of Inyokern, CA · 85.1 kmM 0.7 · 26 km NNE of Kernville, CA · 52.3 kmM 1.5 · 17 km WNW of Tehachapi, CA · 99.2 kmM 0.8 · 12 km SSW of Olancha, CA · 81.0 kmM 1.3 · 10 km NE of Coso Junction, CA · 94.2 kmM 1.0 · 11 km N of Coso Junction, CA · 90.0 kmM 1.7 · 20 km E of McFarland, CA · 46.1 kmM 1.5 · 34 km SW of Independence, CA · 72.3 kmM 1.3 · 26 km SE of Bodfish, CA · 90.8 kmM 1.4 · 6 km NE of Coso Junction, CA · 91.5 kmM 1.1 · 10 km NE of Coso Junction, CA · 94.4 kmM 0.9 · 10 km NE of Coso Junction, CA · 94.3 kmM 1.3 · 33 km WSW of Olancha, CA · 53.2 kmM 1.5 · 6 km NE of Coso Junction, CA · 92.0 kmM 2.2 · 10 km SE of Huron, CA · 98.1 kmM 1.0 · 6 km NE of Coso Junction, CA · 92.3 kmM 0.8 · 11 km ESE of Coso Junction, CA · 97.9 kmM 2.2 · 4 km WSW of Olancha, CA · 82.6 kmM 1.9 · 7 km NNW of Lamont, CA · 81.8 kmM 0.9 · 17 km WNW of Tehachapi, CA · 99.7 kmM 1.4 · 6 km NE of Coso Junction, CA · 91.9 kmM 1.1 · 13 km E of Lake Isabella, CA · 71.0 kmM 0.9 · 6 km NE of Coso Junction, CA · 91.8 kmM 0.9 · 10 km NE of Coso Junction, CA · 94.6 kmM 1.2 · 6 km NE of Coso Junction, CA · 91.3 kmM 0.8 · 5 km NE of Coso Junction, CA · 91.0 kmM 0.9 · 6 km NE of Coso Junction, CA · 92.1 kmM 1.9 · 6 km NE of Coso Junction, CA · 91.3 kmM 0.9 · 6 km NE of Coso Junction, CA · 91.5 kmM 1.5 · 6 km NE of Coso Junction, CA · 91.3 kmM 0.9 · 42 km N of Kernville, CA · 43.9 kmM 0.6 · 9 km ENE of Coso Junction, CA · 96.4 kmM 1.4 · 6 km NE of Coso Junction, CA · 91.3 kmM 2.4 · 15 km ENE of Kettleman City, CA · 79.1 kmM 1.7 · 28 km WSW of Olancha, CA · 58.7 kmM 2.5 · 28 km WSW of Olancha, CA · 59.1 kmM 0.8 · 10 km ENE of Coso Junction, CA · 97.7 kmM 0.7 · 20 km NE of Kernville, CA · 60.7 kmM 1.4 · 11 km ENE of Coso Junction, CA · 98.4 kmM 3.1 · 10 km ENE of Coso Junction, CA · 97.6 kmM 0.9 · 10 km ENE of Coso Junction, CA · 97.1 kmM 2.0 · 24 km NNW of Tehachapi, CA · 87.4 kmM 0.8 · 10 km ENE of Coso Junction, CA · 97.3 kmM 0.7 · 10 km ENE of Coso Junction, CA · 97.1 kmM 1.0 · 10 km ENE of Coso Junction, CA · 97.3 kmM 1.7 · 19 km SE of Bodfish, CA · 84.1 kmM 1.1 · 24 km N of Kernville, CA · 48.9 kmM 1.8 · 19 km SE of Bodfish, CA · 84.4 kmM 1.6 · 6 km SE of Poplar-Cotton Center, CA · 16.9 kmM 0.7 · 10 km ENE of Coso Junction, CA · 97.6 kmM 0.7 · 9 km NE of Coso Junction, CA · 94.6 kmM 1.1 · 13 km SE of Olancha, CA · 94.2 kmM 1.1 · 19 km NE of Arvin, CA · 84.4 kmM 1.4 · 10 km ENE of Coso Junction, CA · 96.9 kmM 0.9 · 7 km WNW of Little Lake, CA · 85.7 kmM 1.1 · 10 km ENE of Coso Junction, CA · 97.4 kmM 2.2 · 2 km N of Lone Pine, CA · 97.9 kmM 1.4 · 10 km ENE of Coso Junction, CA · 96.8 kmM 0.7 · 10 km ENE of Coso Junction, CA · 97.6 kmM 0.9 · 10 km ENE of Coso Junction, CA · 97.2 kmM 0.8 · 10 km ENE of Coso Junction, CA · 97.6 kmM 0.6 · 25 km W of Inyokern, CA · 86.4 kmM 0.6 · 10 km ENE of Coso Junction, CA · 97.2 km
M 1.5 · 8 km E of Porterville, 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 update45252 min
2026-09-08 17:35:53 UTC2026-09-08 17:35:53 UTC

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Interpret the numbers

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Important limits

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