M4.6 Earthquake 56 km NNE of Nicola Town, Saint Kitts and Nevis — October 9, 2020
2020-10-09 04:14:03 UTC (2020-10-09) · approx. 12:14 AM UTC-4 local
Felt by 55 people across nearby locations.
On October 9, 2020 at 04:14 UTC, a magnitude 4.6 shallow crustal earthquake struck 56 km NNE of Nicola Town, Saint Kitts and Nevis, at a depth of 14.7 km and coordinates 17.8305°, -62.4969°.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 55 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-62.4969°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Nicola Town, Saint Kitts and Nevis?
The magnitude 4.6 earthquake that struck 56 km NNE of Nicola Town, Saint Kitts and Nevis on October 9, 2020 at 04:14 UTC had a depth of 14.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 17.8305°, -62.4969°, which is 56 km NNE of Nicola Town, Saint Kitts and Nevis.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000c6ya). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, October 9, 2020). M4.6 Earthquake 56 km NNE of Nicola Town, Saint Kitts and Nevis — October 9, 2020. Retrieved December 19, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000c6ya/