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Minor earthquake: M3.5356838465683 quake has struck near Idyllwild in CA


Earthquake location 33.674499511719S, -116.79516601562WA minor earthquake magnitude 3.5356838465683 (ml/mb) strikes 10 kilometers (6 miles) from Idyllwild in CA on Friday. Unique identifier: ci41128303. Ids that are associated to the event: ci41128303. Date and time of earthquake in UTC/GMT: 28/11/25 / 2025-11-28 01:37:06 / November 28, 2025 @ 1:37 am. Exact location, longitude -116.79516601562° West, latitude 33.674499511719° North, depth = 16.739999771118 km. The 3.5356838465683-magnitude earthquake has occurred at 01:37:06 / 1:37 am (local time epicenter). The epicenter of the earthquake was roughly 16.739999771118 km (10 miles) below the earth’s surface.

Closest city/cities/towns to epicentrum/hypocenter was Laguna Hills, Encinitas, Lake Forest (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 64 km (40 miles) from Riverside (c. 303 900 pop), 66 km (41 miles) from San Bernardino (c. 209 900 pop), 75 km (47 miles) from Fontana (c. 196 100 pop), 50 km (31 miles) from Moreno Valley (c. 193 400 pop), 76 km (47 miles) from Oceanside (c. 167 100 pop), 75 km (46 miles) from Corona (c. 152 400 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days four and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 10 km SW of Idyllwild, CA.

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More information

Parameter Value Description
Magnitude 3.5356838465683 mb The magnitude for the event.
Longitude -116.79516601562° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.674499511719° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.739999771118 km Depth of the event in kilometers.
Place 10 km SW of Idyllwild, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-11-28 01:37:06 Time when the event occurred. UTC/GMT
Updated 2025-11-28 01:41:03 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 5 The total number of felt reports
CDI 3.1 The maximum reported intensity for the event.
MMI 3.268 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 194 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ci The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ci, A comma-separated list of network contributors.
Number of Stations Used 96 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1587 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.239999995 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 26 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mlr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ci41128303 Id of event.
Event Code 41128303 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci41128303, A comma-separated list of event ids that are associated to an event.

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