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M3.8 (updated from 4.1) #earthquake just east of Portsmouth, New Hampshire at 10:22 ET Monday. Reportedly felt in #Boston. No #tsunami expected.
USGS: https://earthquake.usgs.gov/earthquakes/eventpage/at00sqr6q8/executive
Did you feel it report: https://earthquake.usgs.gov/earthquakes/eventpage/at00sqr6q8/tellus
There are numerous RaspberryShake crowdsource seismographs in New England that observed this morning's #earthquake. Here's the readout from one Durham, New Hampshire about 33 km from the epicentre.
Output from a professionally installed seismograph in Chestnut Hill near #Boston clearly showing this morning's #earthquake. Time displayed in UTC.
I wrote this article after last year's #NYC #earthquake to give basic #geology context for earthquakes in the Northeastern U.S. The general idea applies very well to New England with some significant historical earthquakes near #Boston mentioned.
https://ingallswx.com/2024/04/06/history-and-geology-of-new-york-city-earthquakes/
Love to see nearly 20,000 #earthquake felt reports within half an hour of the event.
If you're in New England, New York, or Nova Scotia, fill out the USGS felt report. Reports that you didn't feel it are also useful info for scientists.
https://earthquake.usgs.gov/earthquakes/eventpage/us6000pmk3/tellus
