Updated 2026-09-02 12:37:20 UTC

M 1.6 — 4 km ESE of Hayward, CA

Magnitude 1.6, depth 7.5 km, 2026-09-02 11:21:23 UTC.

MagnitudeM 1.6
Depth7.5 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 1.6 at 7.5 km depth.
  • The solution has already been revised 2 times in Quake Pulse.
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#195,381
Magnitude rank in country#11,382
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 significance41
Depth contextShallow
Nearby major citySan Francisco37 km · 808,000

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.

Quake Pulse

Around this epicenter

Nearby events observed around this epicenter. Spatial proximity does not necessarily mean they belong to the same sequence.

M 1.6 · 4 km ESE of Hayward, CA · 100 kmInteractive 3D view of earthquakes within 100 km of M 1.6 · 4 km ESE of Hayward, CA.M 1.6 · 4 km ESE of Hayward, CAM 2.0 · 1 km NNW of East Richmond Heights, CA · 43.5 kmM 1.0 · 4 km WSW of Cupertino, CA · 35.9 kmM 1.1 · 5 km WSW of Cupertino, CA · 36.2 kmM 1.1 · 1 km NE of Aromas, CA · 89.4 kmM 1.2 · 2 km NE of Pacifica, CA · 37.9 kmM 1.3 · 11 km SW of Loyola, CA · 41.8 kmM 2.1 · 26 km WSW of Westley, CA · 56.1 kmM 2.6 · 6 km W of Yountville, CA · 91.8 kmM 1.1 · 11 km N of Hollister, CA · 93.8 kmM 1.0 · 9 km E of Gilroy, CA · 85.1 kmM 1.2 · 15 km E of Seven Trees, CA · 49.4 kmM 1.0 · 8 km ENE of Gilroy, CA · 81.7 kmM 1.7 · 2 km SW of San Ramon, CA · 15.1 kmM 1.3 · 11 km SSE of Portola Valley, CA · 40.4 kmM 1.4 · 26 km WSW of Westley, CA · 56.7 kmM 2.1 · 12 km NNE of Alum Rock, CA · 29.8 kmM 2.2 · 5 km SW of Yountville, CA · 88.1 kmM 1.2 · 26 km WSW of Westley, CA · 56.8 kmM 1.3 · 26 km WSW of Westley, CA · 56.3 kmM 1.7 · 26 km WSW of Westley, CA · 56.5 kmM 1.4 · 26 km WSW of Westley, CA · 56.0 kmM 2.6 · 26 km WSW of Westley, CA · 56.3 kmM 1.3 · 26 km WSW of Westley, CA · 56.2 kmM 3.3 · 27 km WSW of Westley, CA · 56.8 kmM 1.6 · 3 km SW of San Ramon, CA · 14.9 kmM 1.1 · 8 km SSE of Sunol, CA · 19.8 kmM 2.4 · 1 km SSW of Novato, CA · 70.0 kmM 1.2 · 8 km SSE of Sunol, CA · 19.5 kmM 2.3 · 4 km WNW of Orinda, CA · 33.0 kmM 2.2 · 1 km E of Port Costa, CA · 47.5 kmM 1.7 · 12 km SE of Livermore, CA · 32.2 kmM 1.4 · 12 km SE of Livermore, CA · 32.0 kmM 1.2 · 2 km E of Black Point-Green Point, CA · 66.9 kmM 1.1 · 2 km NE of Danville, CA · 22.6 kmM 1.4 · 12 km SE of Livermore, CA · 31.9 kmM 1.1 · 13 km SE of Livermore, CA · 33.6 kmM 1.8 · 11 km SSW of La Selva Beach, CA · 88.4 kmM 1.7 · 5 km ESE of Interlaken, CA · 83.9 kmM 2.2 · 5 km SW of Yountville, CA · 88.9 kmM 0.9 · 20 km NE of Alum Rock, CA · 33.7 kmM 1.4 · 4 km NNW of San Leandro, CA · 17.9 kmM 2.3 · 2 km SE of Pacifica, CA · 38.1 kmM 1.5 · 8 km E of Alum Rock, CA · 40.6 kmM 1.4 · 3 km SW of American Canyon, CA · 61.8 kmM 1.7 · 3 km ENE of San Rafael, CA · 56.3 kmM 2.0 · 9 km ESE of Livermore, CA · 31.2 kmM 1.7 · 2 km NNE of Pleasant Hill, CA · 37.1 kmM 1.2 · 2 km SE of Pacifica, CA · 38.0 kmM 1.5 · 4 km SE of Aromas, CA · 93.9 kmM 2.1 · 2 km NE of Pacifica, CA · 38.4 kmM 1.5 · 4 km N of Aromas, CA · 85.9 kmM 1.1 · 3 km W of Dublin, CA · 9.8 kmM 1.1 · 4 km WNW of Dublin, CA · 10.9 kmM 2.5 · 10 km ENE of Milpitas, CA · 27.6 kmM 1.2 · 5 km NNW of Morgan Hill, CA · 60.4 kmM 1.2 · 18 km E of Alum Rock, CA · 45.2 kmM 2.6 · 2 km ENE of Aromas, CA · 90.1 kmM 1.8 · 4 km NNE of Pacifica, CA · 38.6 kmM 2.6 · 21 km E of Alum Rock, CA · 51.0 kmM 2.0 · 3 km W of Dublin, CA · 10.2 kmM 1.5 · 2 km N of Berkeley, CA · 35.3 kmM 2.2 · 3 km W of Dublin, CA · 10.3 kmM 1.6 · 3 km W of Dublin, CA · 9.9 kmM 1.9 · 6 km SW of Antioch, CA · 39.9 kmM 2.4 · 3 km WNW of Dublin, CA · 10.6 kmM 1.4 · 6 km WNW of Hollister, CA · 99.1 kmM 1.5 · 4 km NNE of Crockett, CA · 52.0 kmM 3.0 · 9 km SW of Brentwood, CA · 33.5 kmM 1.5 · 10 km ENE of Blackhawk, CA · 32.6 kmM 1.4 · 1 km ENE of Woodside, CA · 28.7 kmM 1.7 · 1 km ENE of Woodside, CA · 28.8 kmM 2.0 · 1 km E of Woodside, CA · 28.9 kmM 2.5 · 1 km E of Woodside, CA · 29.0 kmM 1.5 · 5 km NNW of Hollister, CA · 99.5 kmM 1.4 · 10 km NE of San Martin, CA · 69.2 kmM 2.6 · 9 km SW of Brentwood, CA · 33.8 kmM 1.4 · 15 km E of Seven Trees, CA · 49.5 kmM 1.5 · 14 km SSE of Livermore, CA · 30.3 kmM 0.8 · 4 km E of Berkeley, CA · 31.6 kmM 1.6 · 16 km E of Seven Trees, CA · 50.5 kmM 1.0 · 7 km ESE of St. Helena, CA · 98.6 kmM 1.3 · 6 km SSE of Portola Valley, CA · 37.2 kmM 1.4 · 3 km N of Piedmont, CA · 30.3 kmM 1.2 · 1 km SE of Oakland, CA · 23.6 kmM 0.9 · 2 km ENE of Berkeley, CA · 33.4 kmM 3.4 · 9 km SW of Brentwood, CA · 33.8 kmM 1.5 · 3 km W of Dublin, CA · 9.9 kmM 1.5 · 7 km E of Santa Venetia, CA · 53.5 kmM 1.4 · 3 km W of Dublin, CA · 9.7 kmM 1.1 · 3 km W of Dublin, CA · 9.9 kmM 1.8 · 3 km W of Dublin, CA · 9.7 kmM 1.6 · 8 km WSW of Mountain House, CA · 38.7 kmM 1.0 · 20 km NE of Morgan Hill, CA · 65.5 kmM 1.5 · 3 km W of Dublin, CA · 10.0 kmM 2.2 · 3 km WNW of Dublin, CA · 10.3 kmM 2.1 · 3 km WNW of Dublin, CA · 10.7 kmM 1.2 · 4 km W of Dublin, CA · 9.0 kmM 2.1 · 3 km W of Dublin, CA · 10.2 kmM 1.9 · 7 km NNE of Prunedale, CA · 96.2 kmM 1.6 · 2 km E of Aromas, CA · 90.1 km
M 1.6 · 4 km ESE of Hayward, 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.

Revisions2
Magnitude change+0.0M 1.6 → M 1.6
Depth change+0.0 km
Last update54733 min
2026-09-02 11:47:25 UTC2026-09-02 12:37:20 UTC

Revision history

Observed changes stored by Quake Pulse.

Mise à jourMagnitudeDepthStatus
2026-09-02 11:47:25 UTC1.637.5300002098083 kmautomatic
2026-09-02 12:37:20 UTC1.637.5300002098083 kmautomatic

Explore related context

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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