PROVIDENCE — Three earthquakes struck off the southeast coast of Rhode Island over the weekend, together with one which could possibly be felt in northwest Windfall.
The primary magnitude 2.2 quake was reported at 4:42 a.m. Saturday, roughly 18 miles south-southeast of Narragansett Pier within the Atlantic Ocean. At 10:15 p.m., there was a 2.5 aftershock in the identical space, in line with the US Geological Survey, adopted by a 2.2 aftershock close to New Shoreham at 2:40 a.m. Sunday. The second temblor had a weak depth ranking of III, however was felt in northwest Windfall, the USGS reviews.
There have been a complete of 20 responses and no harm reviews.
The primary two quakes occurred about 3.2 miles underground, whereas the final was at a depth of 1.3 miles.
Earthquakes are usually not unusual alongside a fault line that runs alongside Narragansett Pier. There have been 34 reported temblors from 1766 to 2016, the Northeast States Emergency Consortium, a nonprofit all-hazards emergency administration group based mostly in Wakefield, Mass., reviews.
The NESEC says that the strongest earthquake within the space occurred in 1638 and was felt all through the New England Colonies. The quake was reported by Roger Williams, who wrote that the bottom shaking was minor. He reported a dialog with the native Native Individuals who mentioned earlier earthquakes occurred within the 1500s.
Earthquakes in New England happen on faults inside bedrock, normally miles deep, the USGS web site mentioned. Most of New England’s and Lengthy Island’s bedrock was assembled as continents collided to kind a supercontinent 500 million to 300 million years in the past, elevating the northern Appalachian Mountains.
Rhode Island has by no means reported a dangerous earthquake.
Carlos Muñoz might be reached at carlos.munoz@globe.com. Comply with him on Twitter @ReadCarlos and on Instagram @Carlosbrknews.