M4.9 Earthquake 74 km NW of Petit Valley, Trinidad and Tobago — July 7, 2023
2023-07-07 15:54:00 UTC (2023-07-07) · approx. 11:54 AM UTC-4 local
Felt by 39 people across nearby locations.
On July 7, 2023 at 15:54 UTC, a magnitude 4.9 intermediate depth earthquake struck 74 km NW of Petit Valley, Trinidad and Tobago, at a depth of 79.7 km and coordinates 11.1927°, -62.0080°. This earthquake was detected by 72 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 386, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — 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 39 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
-62.0080°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Petit Valley, Trinidad and Tobago?
The magnitude 4.9 earthquake that struck 74 km NW of Petit Valley, Trinidad and Tobago on July 7, 2023 at 15:54 UTC had a depth of 79.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 11.1927°, -62.0080°, which is 74 km NW of Petit Valley, Trinidad and Tobago.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000kqs9). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, July 7, 2023). M4.9 Earthquake 74 km NW of Petit Valley, Trinidad and Tobago — July 7, 2023. Retrieved May 30, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000kqs9/