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Minor World Earthquakes Magnitude -3.9

Minor earthquake 2.94 mag, 2 km NNE of Monte Sereno, California

Earthquake location 37.2588348S, -121.984169WA minor earthquake magnitude 2.94 (mg/mb) has occurred on Monday, 2 kilometers (1 miles) from Monte Sereno in California. The temblor was reported at 09:27:39 / 9:27 am (local time epicenter) at a depth of 4.63 km (3 miles). Global time of event 23/03/15 / 2015-03-23 16:27:39 / March 23, 2015 @ 4:27 pm UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -121.984169 West, latitude 37.2588348 North, depth 4.63 km, unique identifier, nc72416290.

Close countries, United States (c. 310 233 000 pop). The epicenter was 12 km (7 miles) from San Jose (c. 945 900 pop), 69 km (43 miles) from San Francisco (c. 805 200 pop), 66 km (41 miles) from Oakland (c. 390 700 pop), 32 km (20 miles) from Fremont (c. 214 100 pop), 71 km (44 miles) from Salinas (c. 150 400 pop). Nearest city, towns to epicentrum/hypocenter was El Cerrito, Kensington, Pleasant Hill.

Did you feel it?

Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 2 km NNE of Monte Sereno, California.

More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -121.984169° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.2588348° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.63 km Depth of the event in kilometers.
Place 2km NNE of Monte Sereno, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-03-23 16:27:39 Time when the event occurred. UTC/GMT
Updated 2015-03-23 16:36:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 145 The total number of felt reports
CDI 3.8 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 188 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 80 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05272 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 33 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 nc72416290 Id of event.
Event Code 72416290 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72416290, A comma-separated list of event ids that are associated to an event.


  1. Lin Herbert

    I live less than 1/2mile from the epi center. I felt a very strong jolt like someone dropped a wrecking ball on my roof. The roof (tile) shook and the stove hood rattled loudly. The floor and kitchen counter also vibrate. All this lasted about 1-2 seconds. And all was still.

  2. Rolandus Roosenboom

    I’m less than 1km from the epicenter and felt it as a sharp 2 second jolt directly underneath the house. It shook the entire home and felt as if something had exploded underneath the home because it was sharp, quick, and noisy.

  3. Carol Carter

    I live in west San Jose on Colusa Way. I believe I felt this mid-morning quake. I was sitting in my living room and suddenly heard what felt like a large thump on my roof that shook the house for a second or two. The outdoor cat headed up the street toward home and seemed disconcerted.

  4. Sondra Garcia

    I felt it in Los Gatos. I heard a low roar and then there was a jolt. The house shook a bit.

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