Minor earthquake, 3.93 mag was detected near Julian in CA

A minor earthquake magnitude 3.93 (ml/mb) strikes 4 kilometers (2 miles) from Julian in CA on Monday. The epicenter of the earthquake was roughly 12.51 km (8 miles) below the earth’s surface. Event ids that are associated to the earthquake: ci40926623. Id of event: ci40926623. The 3.93-magnitude earthquake was detected at 18:23:42 / 6:23 pm (local time epicenter). Exact location of event, depth 12.51 km, -116.5904999° West, 33.0423317° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 14/04/25 / 2025-04-14 18:23:42 / April 14, 2025 @ 6:23 pm UTC/GMT.

Event epicenter was 71 km (44 miles) from Tijuana (c. 1 376 500 pop), 64 km (40 miles) from San Diego (c. 1 307 400 pop), 64 km (40 miles) from Chula Vista (c. 243 900 pop), 75 km (47 miles) from Oceanside (c. 167 100 pop), 47 km (29 miles) from Escondido (c. 143 900 pop), 72 km (45 miles) from Carlsbad (c. 105 300 pop). Nearest cities/city/villages to epicentrum/hypocenter was Thousand Palms, Palm Springs, Rosarito (min 5000 pop). Close country/countries that might be effected, Mexico (c. 112 469 000 pop), United States (c. 310 233 000 pop).

In the past 24 hours, there have been six, in the last 10 days ten, in the past 30 days thirteen and in the last 365 days sixty-nine 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. Every year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 4 km SSE of Julian, CA. This data comes from the USGS Earthquake Notification Service.

CA Carlsbad Chula Vista Escondido Julian Mexico Oceanside Palm Springs Rosarito San Diego Thousand Palms Tijuana United States

More information

Parameter	Value	Description
Magnitude	3.93 mb	The magnitude for the event.
Longitude	-116.5904999° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	33.0423317° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	12.51 km	Depth of the event in kilometers.
Place	4 km SSE of Julian, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-04-14 18:23:42	Time when the event occurred. UTC/GMT
Updated	2025-04-14 18:28:29	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	3.879	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	reviewed	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	238	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	81	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.03899	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.22 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	21	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	ci40926623	Id of event.
Event Code	40926623	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci40926623,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

3.93 mb

The magnitude for the event.

Longitude

-116.5904999° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

33.0423317° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

12.51 km

Depth of the event in kilometers.

Place

4 km SSE of Julian, CA

Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.

Time

2025-04-14 18:23:42

Time when the event occurred. UTC/GMT

Updated

2025-04-14 18:28:29

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

3.879

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

reviewed

Indicates whether the event has been reviewed by a human.

Tsunami

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

238

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

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

The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.

Horizontal Distance

0.03899

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

0.22 sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

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

ci40926623

Id of event.

Event Code

40926623

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,ci40926623,

A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.93 mag was detected near Julian in CA

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