4.1
Earthquake Details: 21 km SE of Esperanza, Puerto Rico
Oct 28, 2026, 09:44:00
- Depth
- 25 km
- Felt reports
- 5
Source: USGSUpdated: Oct 28, 2026, 10:46 AM UTC
A magnitude 4.1 earthquake occurred on Oct 28, 2026 at 09:44:00. Epicenter: 21 km SE of Esperanza, Puerto Rico. Reported depth: 25 km.
Tsunami information
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Time & depth
- Local time
- Oct 28, 2026, 05:44:00 AST
- UTC
- Oct 28, 2026, 09:44:00 UTC
25 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
M3.485 km ENE of Christiansted, U.S. Virgin IslandsBeforeM3.139 km ESE of Cruz Bay, U.S. Virgin IslandsBeforeM3.369 km NE of Cruz Bay, U.S. Virgin IslandsBeforeM3.066 km N of San Juan, Puerto RicoBeforeM3.339 km WSW of Stella, Puerto RicoBeforeM3.049 km N of Suárez, Puerto RicoBeforeM3.130 km N of Charlotte Amalie, U.S. Virgin IslandsBeforeM3.8Guadeloupe region, Leeward IslBeforeM3.431 km N of Isabela, Puerto RicoBeforeM5.1Puerto Rico regionBeforeM3.926 km S of Boca de Yuma, Dominican RepublicAfterM3.356 km N of Cruz Bay, U.S. Virgin IslandsAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 4.07
pr2026301000
- Depth:
- 25 km
- Time:
- Updated:
- Oct 28, 2026, 10:46 AM UTC
Technical Details
Depth25 km
Significance257
Latitude17.9548
Longitude-65.3388
Event IDpr2026301000
Magnitude4.1
Updated:Oct 28, 2026, 10:46:29 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, 10:46 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).