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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.28 mag strikes near San Juan Bautista in CA

Posted by admin on December 12, 2025 0 Comments

Earthquake location 36.771499633789S, -121.49966430664WA minor earthquake magnitude 3.28 (ml/mb) has struck on Friday, 9 kilometers (6 miles) from San Juan Bautista in CA. The earthquake was roughly at a depth of 6.460000038147 km (4 miles). Exact location, longitude -121.49966430664° West, latitude 36.771499633789° North, depth = 6.460000038147 km. The temblor was detected at 01:19:44 / 1:19 am (local time epicenter). Id of earthquake: nc75278521. Event ids that are associated: nc75278521. Global time and date of event 12/12/25 / 2025-12-12 01:19:44 / December 12, 2025 @ 1:19 am UTC/GMT.

Epicenter of the earthquake was 72 km (45 miles) from San Jose (c. 945 900 pop), 17 km (11 miles) from Salinas (c. 150 400 pop), 82 km (51 miles) from Sunnyvale (c. 140 100 pop), 76 km (47 miles) from Santa Clara (c. 116 500 pop), 81 km (51 miles) from Milpitas (c. 66 800 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Sunnyvale, Milpitas, Cupertino.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days eleven and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 9 km SSE of San Juan Bautista, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.28 mb The magnitude for the event.
Longitude -121.49966430664° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.771499633789° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.460000038147 km Depth of the event in kilometers.
Place 9 km SSE of San Juan Bautista, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-12 01:19:44 Time when the event occurred. UTC/GMT
Updated 2025-12-12 01:24:05 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status automatic Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 166 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network nc The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,nc, A comma-separated list of network contributors.
Number of Stations Used 65 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.03451 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 38 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc75278521 Id of event.
Event Code 75278521 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75278521, A comma-separated list of event ids that are associated to an event.

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