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Minor earthquake, 2.86 mag has occurred near Santa Rosa in CA

Posted by admin on April 23, 2025 0 Comments

Earthquake location 38.433666229248S, -122.67099761963WA minor earthquake with magnitude 2.86 (ml/mb) was reported 3 kilometers (2 miles) from Santa Rosa in CA on Wednesday. All ids that are associated to the event: nc75170471. Unique identifier: nc75170471. Global date and time of event UTC/GMT: 23/04/25 / 2025-04-23 22:43:41 / April 23, 2025 @ 10:43 pm. The 2.86-magnitude earthquake was detected at 22:43:41 / 10:43 pm (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). Exact location of event, depth 10 km, -122.67099761963° West, 38.433666229248° North.

Close 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 Bay Point, San Francisco, Pleasant Hill. Earthquake epicenter was 76 km (48 miles) from San Francisco (c. 805 200 pop), 4 km (2 miles) from Santa Rosa (c. 167 800 pop), 75 km (47 miles) from Concord (c. 122 100 pop), 51 km (32 miles) from Vallejo (c. 115 900 pop), 72 km (44 miles) from Berkeley (c. 112 600 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days four and in the last 365 days thirty-three earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 1,300,000 minor earthquakes in the world.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 3 km SE of Santa Rosa, CA.

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More information

Parameter Value Description
Magnitude 2.86 mb The magnitude for the event.
Longitude -122.67099761963° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.433666229248° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 3 km SE of Santa Rosa, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-04-23 22:43:41 Time when the event occurred. UTC/GMT
Updated 2025-04-23 22:45:23 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 126 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 73 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.04483 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 40 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc75170471 Id of event.
Event Code 75170471 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75170471, A comma-separated list of event ids that are associated to an event.

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