3.4

M3.4 Earthquake 87 km SSW of Haines Junction, CanadaOctober 19, 2021

2021-10-19 21:49:44 UTC (2021-10-19) · approx. 12:49 PM UTC-9 local

MagnitudeM3.4(ml)
Time21:49 UTC12:49 PM UTC-9
Depth2.9 kmshallow crustal
Coordinates60.047°, -138.205°
Felt by1DYFI response
Status✓ Reviewed by USGS

On October 19, 2021 at 21:49 UTC, a magnitude 3.4 shallow crustal earthquake struck 87 km SSW of Haines Junction, Canada, at a depth of 2.9 km and coordinates 60.0473°, -138.2052°.

Physical scale: An earthquake of magnitude 3.4 releases seismic energy equivalent to roughly 1.9 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 134 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 60.05°, -138.21°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 1 citizen response to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M3.4 earthquake near 87 km SSW of Haines Junction, Canada

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Earthquake Details

Magnitude
3.4 ml
Depth
2.9 km
shallow crustal
Location
60.0473°N
-138.2052°E
Felt Reports
1
DYFI responses
Community Intensity
1.0
CDI from reports

Technical Information

Event ID
us6000fvzr
Event Type
earthquake
Status
✓ Reviewed
Significance
178
Azimuthal Gap
85.0°
Min Station Distance
0.486°
RMS Residual
0.60 sec
Last Updated
2021-12-25 22:58:49 UTC

Common Questions

How strong was the magnitude 3.4 earthquake near Haines Junction, Canada?

The magnitude 3.4 earthquake that struck 87 km SSW of Haines Junction, Canada on October 19, 2021 at 21:49 UTC had a depth of 2.9 km. For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.4 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 3.4 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000fvzr). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, October 19, 2021). M3.4 Earthquake 87 km SSW of Haines Junction, CanadaOctober 19, 2021. Retrieved December 25, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000fvzr/