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Minor earthquake: M2.85 quake has struck near Petrolia in CA

Posted by admin on February 28, 2025 0 Comments

Earthquake location 40.392833709717S, -124.77600097656WA minor earthquake magnitude 2.85 (ml/mb) has occurred on Friday, 42 kilometers (26 miles) from Petrolia in CA. Exact time and date of event in UTC/GMT: 28/02/25 / 2025-02-28 07:20:17 / February 28, 2025 @ 7:20 am. The temblor was detected at 07:20:17 / 7:20 am (local time epicenter). Exact location, longitude -124.77600097656° West, latitude 40.392833709717° North, depth = 19.459999084473 km. Event ids that are associated to the earthquake: nc75140356. Id of event: nc75140356. The earthquake occurred at a depth of 19.459999084473 km (12 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Eureka, Fortuna. Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 69 km (43 miles) from Eureka (c. 27 200 pop), 57 km (35 miles) from Fortuna (c. 11 900 pop).

In the past 24 hours, there have been 0, in the last 10 days four, in the past 30 days nineteen and in the last 365 days two hundred and fourty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

Did you feel the quake?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 42 km WNW of Petrolia, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -124.77600097656° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.392833709717° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.459999084473 km Depth of the event in kilometers.
Place 42 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 2025-02-28 07:20:17 Time when the event occurred. UTC/GMT
Updated 2025-02-28 07:21:58 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 125 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3473 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 297 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 nc75140356 Id of event.
Event Code 75140356 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75140356, A comma-separated list of event ids that are associated to an event.

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