Earthquake · reviewed by a seismologist
M 2.1ml
14km W of Delta, B.C., MX
Yes. A magnitude 2.1 earthquake was recorded 14km W of Delta, B.C., MX, 79 km (49 mi) WSW of Yuma, AZ, at 3:19 am PST on 18 November 2019 (11:19 UTC), 17 km deep.
79 km (49 mi) WSW of Yuma, AZ
- When
- Magnitude
- M 2.1 (ml)
- Depth
- 17 km below the surface
- Felt
- no reports yet
- Nearest
- Imperial County, 77 km N
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 2551 days ago
Earthquake alerts for Calexico, CA
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Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth, people at rest would likely notice it out to about 6 km (4 mi) from the epicentre. Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
How big was it?
This earthquake released about 51 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 300,000× the energy of this one
- Magna, Utah 2020 M 5.7 210,000× the energy of this one
- Around the size people start to feel M 3.0 19× the energy of this one
- This earthquake M 2.1 about 51 lb of TNT
Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.
For this area
The largest earthquake within 50 km in our catalogue was M 4.8 on 2018-11-19 — about 10,000 times the energy of this one.
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 32.3447, -115.3388. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Imperial County, CA | 77 km (48 mi) | N | earthquakes near Imperial County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
54 earthquakes have been recorded within 50 km since this one.
- 1.9 13km N of Delta, B.C., MX
- 2.0 12km N of Delta, B.C., MX
- 2.7 15km WSW of Delta, B.C., MX
- 1.8 13km W of Delta, B.C., MX
- 2.2 16km SW of Delta, B.C., MX
- 1.6 6km SW of Holtville, CA
- 2.4 7 km SSE of Alberto Oviedo Mota, B.C., MX
- 2.0 12km SW of Delta, B.C., MX
- 1.8 6km N of Progreso, B.C., MX
- 2.2 6km NW of Delta, B.C., MX
- 1.9 14km W of Progreso, B.C., MX
- 3.0 6km NW of Delta, B.C., MX
- 1.6 16km WNW of Progreso, B.C., MX
- 2.2 14km WNW of Progreso, B.C., MX
- 1.9 15km W of Progreso, B.C., MX
Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.