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Light earthquake, 4.31 mag has occurred near Pinnacles in CA

Earthquake location 36.6080017S, -121.2126694WA light earthquake magnitude 4.31 (ml/mb) has occurred on Saturday, 10 kilometers (6 miles) from Pinnacles in CA. All ids that are associated to the event: ew1609598544, nc73506045, at00qmba6n. Unique identifier: nc73506045. The 4.31-magnitude earthquake was detected at 14:42:23 / 2:42 pm (local time epicenter). A tsunami warning has been issued near Pinnacles in CA (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -121.2126694° West, latitude 36.6080017° North, depth = 6.35 km. Date and time of earthquake in UTC/GMT: 02/01/21 / 2021-01-02 14:42:23 / January 2, 2021 @ 2:42 pm. The epicenter was at a depth of 6.35 km (4 miles).

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Hilmar-Irwin, Ben Lomond, Coalinga (min 5000 pop). Event epicenter was 40 km (25 miles) from Salinas (c. 150 400 pop), 83 km (52 miles) from Santa Cruz (c. 59 900 pop), 59 km (37 miles) from Watsonville (c. 51 200 pop), 54 km (34 miles) from Gilroy (c. 48 800 pop), 70 km (44 miles) from Morgan Hill (c. 37 900 pop), 60 km (37 miles) from Los Banos (c. 36 000 pop).

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

Did you feel the quake?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 10 km NW of Pinnacles, CA.

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More information

Parameter Value Description
Magnitude 4.31 mb The magnitude for the event.
Longitude -121.2126694° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.6080017° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.35 km Depth of the event in kilometers.
Place 10km NW of Pinnacles, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-02 14:42:23 Time when the event occurred. UTC/GMT
Updated 2021-01-02 14:49:06 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 32 The total number of felt reports
CDI 5.4 The maximum reported intensity for the event.
MMI 6.52 The maximum estimated instrumental intensity for the event.
Alert Level green 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 303 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 ,ew,nc,at, A comma-separated list of network contributors.
Number of Stations Used 52 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.08212 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 67 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc73506045 Id of event.
Event Code 73506045 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ew1609598544,nc73506045,at00qmba6n, A comma-separated list of event ids that are associated to an event.

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