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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.91 mag, 4 km NNW of San Jacinto, California


Earthquake location 33.8168335S, -116.9778366WA minor earthquake magnitude 3.91 (mg/mb) was reported Wednesday, 4 kilometers (2 miles) from San Jacinto in California. The temblor was reported at 00:39:47 / 12:39 am (local time epicenter) at a depth of 15.3 km (10 miles). Global time of event 06/05/15 / 2015-05-06 07:39:47 / May 6, 2015 @ 7:39 am UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -116.9778366 West, latitude 33.8168335 North, depth 15.3 km, unique identifier, ci37375632.

Close countries, United States (c. 310 233 000 pop). The epicenter was 87 km (54 miles) from Anaheim (c. 336 300 pop), 83 km (51 miles) from Santa Ana (c. 324 500 pop), 41 km (26 miles) from Riverside (c. 303 900 pop), 80 km (50 miles) from Irvine (c. 212 400 pop), 43 km (27 miles) from San Bernardino (c. 209 900 pop), 52 km (32 miles) from Fontana (c. 196 100 pop). Nearest city, towns to epicentrum/hypocenter was South San Jose Hills, Fullerton, Mecca.

Did you feel it?

Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 4 km NNW of San Jacinto, California.


More information

Parameter Value Description
Magnitude 3.91 mb The magnitude for the event.
Longitude -116.9778366° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.8168335° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.3 km Depth of the event in kilometers.
Place 4km NNW of San Jacinto, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-05-06 07:39:47 Time when the event occurred. UTC/GMT
Updated 2015-05-06 07:43:18 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 The maximum reported intensity for the event.
MMI 4.52 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 235 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 0.01208 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 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 ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ci37375632 Id of event.
Event Code 37375632 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci37375632, A comma-separated list of event ids that are associated to an event.

1 Comment

  1. Diane Kester

    Felt vibrating shake lastig 45 seconds, in Hemet, CA @ 0001 5/6/2015, no damage noted @ this time.

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