1.8
Earthquake Details: 3 km SE of Loma Linda, California, United States
Oct 28, 2026, 19:41:35
- Depth
- 4.57 km
- Felt reports
- No data
Source: USGSUpdated: Oct 28, 2026, 07:52 PM UTC
A magnitude 1.8 earthquake occurred on Oct 28, 2026 at 19:41:35. Epicenter: 3 km SE of Loma Linda, California, United States. Reported depth: 4.57 km.
Tsunami information
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Time & depth
- Local time
- Oct 28, 2026, 12:41:35 PDT
- UTC
- Oct 28, 2026, 19:41:35 UTC
4.57 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Nearby earthquakes · 12
M3.5Baja California, MéxicoBeforeM3.2Baja California, MéxicoBeforeM3.1Baja California, MéxicoBeforeM3.3Baja California, MéxicoBeforeM2.67 km SW of Nelson, NevadaBeforeM3.4Gulf Of CaliforniaBeforeM3.0126 km SSW of Avalon, CaliforniaBeforeM2.612 km SW of Ridgemark, CAAfterM3.1Baja California, MéxicoAfterM2.65 km WNW of Madera, CAAfterM2.712 km SW of Ridgemark, CAAfterM3.6Gulf Of CaliforniaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 1.84
ci41568416
- Depth:
- 4.57 km
- Time:
- Updated:
- Oct 28, 2026, 07:52 PM UTC
Technical Details
Depth4.57 km
Significance52
Latitude34.0310
Longitude-117.2417
Event IDci41568416
Magnitude1.8
Updated:Oct 28, 2026, 19:52:46 UTC
Regional Seismicity
External Resources
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Oct 28, 2026, 19:52 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0.
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).