29 km NNW of Otra Banda, Dominican Republic
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A magnitude 3.69 earthquake struck near 29 km NNW of Otra Banda, Dominican Republic on March 29, 2026 at 3:33 PM UTC. The event occurred at a depth of 102.0 km, releasing energy equivalent to 5.2 tons of TNT. This is classified as a Minor earthquake on the Richter magnitude scale. The hypocenter depth is categorized as Intermediate (70-300 km). Shaking from this event may have been felt within an estimated radius of 8 km from the epicenter.
Magnitude Scale
Depth Gauge
Impact Assessment
This earthquake is considered a notable seismic event based on its magnitude and observed effects.
This earthquake has been reviewed and confirmed by USGS seismologists.
Nearby Earthquakes
| Mag | Place | Time |
|---|---|---|
| 3.41 | 56 km WSW of Stella, Puerto Rico | 1 month, 3 weeks ago |
| 3.73 | 9 km W of San Rafael del Yuma, Dominica… | 1 month, 3 weeks ago |
| 3.1 | 87 km SSW of Boca de Yuma, Dominican Re… | 1 month, 3 weeks ago |
| 1.97 | 1 km WSW of Guayanilla, Puerto Rico | 1 month, 3 weeks ago |
| 2.45 | 12 km S of Guánica, Puerto Rico | 1 month, 3 weeks ago |
Frequently Asked Questions
Yes. A magnitude 3.69 (Minor) earthquake was recorded near 29 km NNW of Otra Banda, Dominican Republic on March 29, 2026 at a depth of 102.0 km (intermediate (70-300 km)).
The earthquake had a magnitude of 3.69, classified as "Minor" on the magnitude scale. It released energy equivalent to approximately 5.2 tons of TNT.
The earthquake occurred at a depth of 102.0 km, which is considered intermediate (70-300 km). Deeper earthquakes are generally felt over wider areas but with less intensity.
The tsunami risk for this earthquake was assessed as none. Tsunami generation typically requires a magnitude 7.0+ shallow earthquake beneath or near the ocean floor.
Dominican Republic has a seismic risk level of "High". This earthquake occurred within Dominican Republic's territory and is part of the country's ongoing seismic activity record.
Earthquake depth (also called focal depth or hypocentral depth) is the vertical distance from the Earth's surface to where the earthquake rupture begins. Shallow earthquakes (0-70 km) tend to cause more surface damage, intermediate (70-300 km) are felt over wider areas, and deep earthquakes (300-700 km) rarely cause significant damage at the surface.
The Modified Mercalli Intensity (MMI) scale measures the effects of an earthquake at a specific location, ranging from I (not felt) to XII (total destruction). Unlike magnitude, which measures energy released at the source, MMI describes how strongly shaking is felt and what damage occurs at a given place.
The felt radius is the maximum distance from an earthquake's epicenter at which ground shaking can be perceived by people. It depends primarily on magnitude, depth, and local geology. A shallow M6.0 earthquake might be felt 300-500 km away, while a deep M6.0 might be felt over a wider but less intense area.
Earthquake energy is often expressed in TNT equivalents for intuitive comparison. A M5.0 earthquake releases energy equivalent to about 32,000 tons of TNT (a small nuclear weapon), while a M9.0 releases 32 billion tons of TNT — roughly 1,000 times more than the largest nuclear weapon ever detonated.
Tsunami generation requires three conditions: the earthquake must be large (typically M7.0+), shallow (under 100 km depth), and occur beneath or near the ocean floor with significant vertical displacement. Strike-slip faults rarely generate tsunamis because they move horizontally rather than vertically.