Earthquake · reviewed by a seismologist
M 2.8ml
8km SE of Tijuana, B.C., MX
Yes. A magnitude 2.8 earthquake was recorded 8km SE of Tijuana, B.C., MX, 41 km (26 mi) SSE of San Diego, CA, at 10:20 pm PST on 9 November 2017 (06:20 UTC), 16 km deep. 52 people have reported feeling it to USGS.
41 km (26 mi) SSE of San Diego, CA · 18 km (11 mi) SSE of Chula Vista, CA
- When
- Magnitude
- M 2.8 (ml)
- Depth
- 16 km below the surface
- Felt
- 52 reports · strongest reported intensity III
- Nearest
- San Diego County, 64 km NNE
- Nearest mapped fault
- Newport-Inglewood-Rose Canyon fault, 19 km from its surface trace — near is not the same as on
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 3286 days ago
Earthquake alerts for Imperial Beach, 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 small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.
At this magnitude and depth, people at rest would likely notice it out to about 21 km (13 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.
Earthquakes near other towns within 30 km: Imperial Beach, Bonita, Chula Vista, National City, La Presa, Jamul.
How big was it?
This earthquake released about 450 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.8 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 34,000× the energy of this one
- Magna, Utah 2020 M 5.7 24,000× the energy of this one
- Around the size people start to feel M 3.0 2.1× the energy of this one
- This earthquake M 2.8 about 450 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.
Where
Epicentre 32.4740, -116.9618. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| San Diego County, CA | 64 km (39 mi) | NNE | earthquakes near San Diego County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
42 earthquakes have been recorded within 50 km since this one.
- 1.6 6km SE of Bonita, CA
- 2.0 23km NE of Primo Tapia, B.C., MX
- 1.6 6km ESE of Chula Vista, CA
- 1.6 5km W of Chula Vista, CA
- 1.9 13km WSW of Coronado, CA
- 1.6 4km NNE of Imperial Beach, CA
- 1.9 21km S of Primo Tapia, B.C., MX
- 1.5 13km WSW of Coronado, CA
- 1.9 14km SW of Rosarito, B.C., MX
- 1.6 2km ENE of San Ysidro, CA
- 2.2 32km E of Primo Tapia, B.C., MX
- 1.6 25km ENE of Primo Tapia, B.C., MX
- 1.7 6km N of Lakeside, CA
- 1.6 6km SE of Bostonia, CA
- 1.7 7km NNW of Lakeside, CA
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.