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Minor earthquake 2.84 mag, 30 km SW of Dana Point, CA


Earthquake location 33.2851677S, -117.9366684WA minor earthquake with magnitude 2.84 (ml/mb) was detected on Tuesday, 30 kilometers (19 miles) from Dana Point in CA. The temblor was reported at 19:31:15 / 7:31 pm (local time epicenter). Exact location of event, longitude -117.9366684 West, latitude 33.2851677 North, depth = 4.29 km. Exact time and date of earthquake 24/12/24 / 2024-12-24 19:31:15 / December 24, 2024 @ 7:31 pm UTC/GMT. Id of earthquake: ci40828063. Event ids that are associated: ci40828063. The earthquake occurred at a depth of 4.29 km (3 miles).

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 58 km (36 miles) from Long Beach (c. 462 300 pop), 61 km (38 miles) from Anaheim (c. 336 300 pop), 52 km (32 miles) from Santa Ana (c. 324 500 pop), 44 km (27 miles) from Irvine (c. 212 400 pop), 42 km (26 miles) from Huntington Beach (c. 190 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Lawndale, Hermosa Beach, Rowland Heights (min 5000 pop).

Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days one and in the last 365 days thirty-one earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 30 km SW of Dana Point, CA.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -117.9366684° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.2851677° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.29 km Depth of the event in kilometers.
Place 30 km SW of Dana Point, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-12-24 19:31:15 Time when the event occurred. UTC/GMT
Updated 2024-12-24 19:35:43 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 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 124 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2999 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 190 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 ci40828063 Id of event.
Event Code 40828063 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci40828063, A comma-separated list of event ids that are associated to an event.

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