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Light earthquake: M4.36 quake has struck near Aromas in CA


Earthquake location 36.912334442139S, -121.6566696167WA light earthquake magnitude 4.36 (ml/mb) has struck on Sunday, 3 kilometers (2 miles) from Aromas in CA. A tsunami warning has been issued near Aromas in CA (Does not indicate if a tsunami actually did or will exist). The 4.36-magnitude earthquake was detected at 09:47:33 / 9:47 am (local time epicenter). The earthquake occurred at a depth of 7.3800001144409 km (5 miles). Global time and date of event 29/09/24 / 2024-09-29 09:47:33 / September 29, 2024 @ 9:47 am UTC/GMT. Event ids that are associated to the earthquake: at00skkj77, nc75068161, us7000nh3e, ew1727603250. Id of event: nc75068161. Exact location of earthquake, longitude -121.6566696167 West, latitude 36.912334442139 North, depth = 7.3800001144409 km.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was San Lorenzo, Castro Valley, Tracy (min 5000 pop). Epicenter of the event was 52 km (32 miles) from San Jose (c. 945 900 pop), 77 km (48 miles) from Fremont (c. 214 100 pop), 26 km (16 miles) from Salinas (c. 150 400 pop), 92 km (57 miles) from Hayward (c. 144 200 pop), 61 km (38 miles) from Sunnyvale (c. 140 100 pop), 56 km (35 miles) from Santa Clara (c. 116 500 pop).

In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days four and in the last 365 days seventeen earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 3 km NNW of Aromas, CA.

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More information

Parameter Value Description
Magnitude 4.36 mb The magnitude for the event.
Longitude -121.6566696167° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.912334442139° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.3800001144409 km Depth of the event in kilometers.
Place 3 km NNW of Aromas, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-09-29 09:47:33 Time when the event occurred. UTC/GMT
Updated 2024-09-29 09:58:44 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 39 The total number of felt reports
CDI 4.6 The maximum reported intensity for the event.
MMI 4.484 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 1 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 310 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 ,at,nc,us,ew, A comma-separated list of network contributors.
Number of Stations Used 66 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.01898 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 48 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 nc75068161 Id of event.
Event Code 75068161 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00skkj77,nc75068161,us7000nh3e,ew1727603250, A comma-separated list of event ids that are associated to an event.

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