M3.6 earthquake 10 km S of Bliss Corner, Massachusetts
A magnitude 3.6 earthquake struck 10 km S of Bliss Corner, Massachusetts on Sun, Nov 8, 2020, 9:10 AM EST (14:10 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.6 (mwr), minor
- Local time
- UTC
- 2020-11-08 14:10:06 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 41.521° N, 70.955° W
- Region
- Massachusetts
- Felt reports
- 19,622
- Strongest shaking
- V, moderate shaking
- PAGER alert
- Green
- Tsunami flag
- Yes: a large quake in an oceanic region
- Status
- Reviewed by a seismologist
Tsunami
The USGS flags a quake this large in an oceanic region. The flag does not mean a tsunami happened; the tsunami warning centers decide that, and their messages are below when they issued any.
Current tsunami warnings: tsunami.gov. Warnings in force in the US also appear on our alerts pages.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 8.9% of gravity
- Peak ground velocity
- 0.5 cm/s
- Map
- Automatic
Did you feel it?
19,622 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
| Range | Chance |
|---|---|
| Under 1 | 69% |
| 1 to 10 | 29% |
| 10 to 100 | 2% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 3.6 Mwr
- Nodal plane 1
- Strike 8°, dip 32°, rake 77°
- Nodal plane 2
- Strike 203°, dip 59°, rake 98°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.0 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- Operator assigned
- Station coverage gap
- 162°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayMassachusetts earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000cc4d (also filed as at00qjhe0w). Read Tue, Sep 22, 2026, 8:01 AM UTC.