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4/22/2015 — East Coast Earthquakes — Boston 2.0M (1.8 revised) + Quebec 2.9 Magnitude — Forecast areas hit

As expected, as was forecast to occur, a smaller earthquake has struck New England, along the shores of the Atlantic ocean near Boston Massachusetts.

Additionally, as was also forecast to occur, a 2.9 magnitude earthquake struck Southeast Quebec near New Brunswick Canada.

2.9 canada april 22 2015

boston earthquake

The Northeast United States was forecast for earthquake activity in my most recent earthquake update (April 19, 2015).  Covering New England / East coast at about 15min 20sec into this video :

Now the small movement we were expecting to see has begun.

1.8-magnitude earthquake strikes on South Shore


A 1.8-magnitude earthquake shook the ground in Plympton early Tuesday, officials said.

The temblor struck at 3:44 a.m. in the area of Center Street, according to records from the US Geological Survey. It originated about 4 miles below the ground.

Although earthquakes are less frequent in the East, the USGS said, small quakes have been recorded since colonial times.

Plympton is a South Shore town about 45 miles from Boston.”

Minor earthquake in eastern Massachusetts

1.8 magnitude quake happened Tuesday morning in Plympton


“PLYMPTON, Mass. (WWLP) – The U.S. Geological Survey says that there was a small earthquake in southeastern Massachusetts early Tuesday morning. The quake, which was centered in the Plymouth County town of Plympton, registered in at a 1.8 on the Richter Scale.

An earthquake of that magnitude is generally not felt by most people, and does not cause building damage.

Small quakes are fairly common in New England. The eastern Connecticut town of Plainfield was hit by a series of earthquakes earlier this year, with a January 12 quake registering at a 3.3 on the Richter Scale. That quake was felt in parts of Rhode Island and eastern Massachusetts.”


M2.9 – 17km NNW of La Pocatiere, Canada


Magnitude 2.9 mb_lg
Location / uncertainty 47.478°N 70.187°W± 3.5 km
Depth /  uncertainty 11.6 km± 6.7
Origin Time 2015-04-21 11:16:46.000 UTC
Number of Stations
Number of Phases 0
Minimum Distance
Travel Time Residual 0.57 sec
Azimuthal Gap
FE Region St. Lawrence Valley region, Quebec, Canada (447)

M1.8 – 1km N of Plympton, Massachusetts


Magnitude / uncertainty 1.8 ml± 0.1
Location / uncertainty 41.968°N 70.814°W± 1.3 km
Depth / uncertainty 6.0 km± 2.7
Origin Time 2015-04-21 07:44:47.330 UTC
Number of Stations
Number of Phases 18
Minimum Distance 4.12 km (0.04°)
Travel Time Residual 0.36 sec
Azimuthal Gap 199°
FE Region Southern New England (476)

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