M1.7 earthquake 4km NNE of Dublin, CA
A magnitude 1.7 earthquake struck 4km NNE of Dublin, CA on Mon, Dec 16, 2019, 7:35 PM PST (03:35 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.9 10km ENE of Morgan Hill, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (Md, duration), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 2019-12-17 03:35:56 UTC
- Depth
- 9.7 km (6.0 mi), shallow
- Epicenter
- 37.738° N, 121.924° W
- Region
- California
- Felt reports
- 3
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
3 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.1 km horizontally, 0.3 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
- Station coverage gap
- 43°
- Stations used
- 48
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 26 in the 30 days before it.
After
- 1.99km NNE of Napa, CA · 2484 days ago · 3 km deep · 75 km away · felt by 2
- 1.79km ENE of Morgan Hill, CA · 2484 days ago · 0 km deep · 72 km away
- 2.12km NE of San Leandro, CA · 2484 days ago · 5 km deep · 19 km away · felt by 1
- 1.614km E of Angwin, CA · 2484 days ago · 0 km deep · 97 km away
- 1.814km ESE of Angwin, CA · 2483 days ago · 0 km deep · 96 km away
- 1.715km E of Angwin, CA · 2483 days ago · 3 km deep · 97 km away
- 2.215km E of Seven Trees, CA · 2480 days ago · 6 km deep · 54 km away · felt by 1
- 1.76km SW of Gilroy, CA · 2479 days ago · 4 km deep · 90 km away · felt by 1
- 1.63km ESE of Pleasanton, CA · 2479 days ago · 15 km deep · 12 km away
- 1.612km ESE of Gilroy, CA · 2478 days ago · 7 km deep · 96 km away
- 2.22km WNW of Orinda, CA · 2474 days ago · 12 km deep · 29 km away · felt by 9
- 1.61km S of Pleasant Hill, CA · 2473 days ago · 13 km deep · 26 km away · felt by 2
- 1.716km E of Seven Trees, CA · 2472 days ago · 6 km deep · 56 km away
- 2.63km NW of Castro Valley, CA · 2471 days ago · 6 km deep · 17 km away · felt by 315
- 2.014km E of Angwin, CA · 2470 days ago · 5 km deep · 97 km away
- 1.96km NE of Alamo, CA · 2469 days ago · 10 km deep · 18 km away
- 1.95km W of Dublin, CA · 2469 days ago · 6 km deep · 7 km away · felt by 1
- 1.65km NE of Fairview, CA · 2469 days ago · 6 km deep · 7 km away
- 1.610km ENE of Blackhawk, CA · 2469 days ago · 13 km deep · 17 km away
- 1.95km NE of Fairview, CA · 2469 days ago · 6 km deep · 7 km away
- 3.910km ENE of Morgan Hill, CA · 2468 days ago · 5 km deep · 70 km away · felt by 2,804 · tsunami flag
- 1.814km S of Bolinas, CA · 2468 days ago · 7 km deep · 69 km away · felt by 1
- 1.95km NNW of San Leandro, CA · 2468 days ago · 12 km deep · 22 km away · felt by 4
- 2.01km ESE of Pacheco, CA · 2467 days ago · 16 km deep · 29 km away
- 2.42km E of Pacheco, CA · 2467 days ago · 16 km deep · 30 km away · felt by 9
- 3.05km SSW of Gilroy, CA · 2464 days ago · 3 km deep · 91 km away · felt by 250
- 2.75km SSW of Gilroy, CA · 2464 days ago · 3 km deep · 91 km away · felt by 45
- 1.96km SSW of Gilroy, CA · 2462 days ago · 3 km deep · 91 km away · felt by 1
- 2.75km S of Gilroy, CA · 2462 days ago · 6 km deep · 92 km away · felt by 59
- 2.710km SE of Livermore, CA · 2460 days ago · 19 km deep · 25 km away · felt by 11
- 2.110km E of Alum Rock, CA · 2458 days ago · 2 km deep · 47 km away
- 1.82km SE of Pacifica, CA · 2457 days ago · 9 km deep · 50 km away
- 3.23km ESE of Aromas, CA · 2457 days ago · 7 km deep · 100 km away · felt by 131
- 2.06km S of Loyola, CA · 2456 days ago · 8 km deep · 51 km away · felt by 1
- 1.74km N of Lafayette, CA · 2456 days ago · 11 km deep · 27 km away · felt by 1
- 2.44km N of Lafayette, CA · 2456 days ago · 11 km deep · 27 km away · felt by 9
- 2.60km S of East Richmond Heights, CA · 2455 days ago · 7 km deep · 41 km away · felt by 1,565
- 1.714km E of Angwin, CA · 2455 days ago · 4 km deep · 97 km away
- 2.210km SE of Livermore, CA · 2454 days ago · 16 km deep · 25 km away · felt by 1
- 1.59km ENE of Morgan Hill, CA · 2453 days ago · 3 km deep · 70 km away
- 2.210km ESE of Gilroy, CA · 2451 days ago · 5 km deep · 94 km away · felt by 2
- 1.710km ESE of Gilroy, CA · 2451 days ago · 6 km deep · 94 km away
- 2.11km NNE of Piedmont, CA · 2451 days ago · 6 km deep · 29 km away · felt by 43
- 1.65km NE of Kenwood, CA · 2451 days ago · 6 km deep · 95 km away
- 2.32km ENE of El Cerrito, CA · 2446 days ago · 6 km deep · 38 km away · felt by 71
- 1.63km ESE of Hayward, CA · 2444 days ago · 2 km deep · 15 km away · felt by 2
- 2.15km SSW of Gilroy, CA · 2444 days ago · 2 km deep · 91 km away · felt by 1
- 1.85km NNW of Green Valley, CA · 2443 days ago · 4 km deep · 66 km away · felt by 1
- 1.94km SSE of Elmira, CA · 2442 days ago · 22 km deep · 65 km away
- 2.35km NNW of Aromas, CA · 2441 days ago · 7 km deep · 92 km away
- 2.512km ESE of Angwin, CA · 2440 days ago · 8 km deep · 95 km away · felt by 8
- 2.612km W of Saratoga, CA · 2439 days ago · 12 km deep · 58 km away · felt by 33
- 1.59km ENE of San Martin, CA · 2438 days ago · 7 km deep · 77 km away
- 1.73km E of Aromas, CA · 2428 days ago · 3 km deep · 98 km away
- 2.16km WSW of Glen Ellen, CA · 2426 days ago · 8 km deep · 89 km away · felt by 1
Before
- 1.77km NNE of Inverness, CA · 2487 days ago · 7 km deep · 93 km away
- 2.57km WNW of Yountville, CA · 2487 days ago · 12 km deep · 88 km away · felt by 14
- 1.61km SSE of Palo Alto, CA · 2489 days ago · 10 km deep · 39 km away
- 1.62km SSE of San Ramon, CA · 2489 days ago · 10 km deep · 5 km away · felt by 3
- 1.54km E of Los Gatos, CA · 2491 days ago · 19 km deep · 57 km away
- 1.64km E of Walnut Creek, CA · 2491 days ago · 11 km deep · 20 km away
- 2.32km ENE of San Leandro, CA · 2494 days ago · 4 km deep · 19 km away · felt by 55
- 2.78km ENE of San Martin, CA · 2494 days ago · 6 km deep · 78 km away · felt by 12
- 2.12km NW of Pittsburg, CA · 2494 days ago · 17 km deep · 34 km away · felt by 1
- 1.611km WSW of Saratoga, CA · 2500 days ago · 10 km deep · 60 km away
- 1.73km WSW of San Francisco Zoo, CA · 2500 days ago · 7 km deep · 54 km away
- 2.12km ENE of Pleasant Hill, CA · 2501 days ago · 15 km deep · 26 km away · felt by 4
- 2.09km NE of Gilroy, CA · 2501 days ago · 8 km deep · 85 km away
- 1.73km SSW of American Canyon, CA · 2503 days ago · 6 km deep · 55 km away
- 2.11km ENE of El Cerrito, CA · 2503 days ago · 6 km deep · 39 km away · felt by 27
- 1.513km SE of Sunol, CA · 2504 days ago · 7 km deep · 27 km away
- 1.92km SSW of Pleasant Hill, CA · 2506 days ago · 12 km deep · 25 km away
- 2.11km S of Pleasant Hill, CA · 2506 days ago · 13 km deep · 25 km away · felt by 2
- 1.86km SW of Gilroy, CA · 2507 days ago · 8 km deep · 91 km away · felt by 1
- 2.015km E of Seven Trees, CA · 2509 days ago · 6 km deep · 53 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73315596. Read Mon, Oct 5, 2026, 2:33 PM UTC.