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Minor earthquake: M2.89 quake has struck near Petrolia in CA

Posted by admin on July 28, 2025 0 Comments

Earthquake location 40.338665008545S, -124.94650268555WA minor earthquake magnitude 2.89 (ml/mb) has occurred on Monday, 56 kilometers (35 miles) from Petrolia in CA. Event id: nc75216237. Ids that are associated to the earthquake: nc75216237. Exact location of event, longitude -124.94650268555 West, latitude 40.338665008545 North, depth = 1.6299999952316 km. The epicenter was at a depth of 1.6299999952316 km (1 miles). Global time and date of event 28/07/25 / 2025-07-28 17:51:43 / July 28, 2025 @ 5:51 pm UTC/GMT. The 2.89-magnitude earthquake was detected at 17:51:43 / 5:51 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Fortuna (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Earthquake epicenter was 73 km (45 miles) from Fortuna (c. 11 900 pop).

Every 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 two, in the past 30 days nine and in the last 365 days two hundred and ninety-eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 56 km WNW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 2.89 mb The magnitude for the event.
Longitude -124.94650268555° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.338665008545° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.6299999952316 km Depth of the event in kilometers.
Place 56 km WNW of Petrolia, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-07-28 17:51:43 Time when the event occurred. UTC/GMT
Updated 2025-07-28 17:53:31 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 128 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 ,nc, A comma-separated list of network contributors.
Number of Stations Used 30 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4645 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 268 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc75216237 Id of event.
Event Code 75216237 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75216237, A comma-separated list of event ids that are associated to an event.

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