Minor earthquake: M3.9 quake has struck near Tonopah in Nevada

A minor earthquake with magnitude 3.9 (ml/mb) was detected on Tuesday, 82 km NE of Tonopah, Nevada (51 miles). The temblor was detected at 09:14:38 / 9:14 am (local time epicenter). Date and time of earthquake in UTC/GMT: 07/10/25 / 2025-10-07 09:14:38 / October 7, 2025 @ 9:14 am. Exact location of event, longitude -116.454 West, latitude 38.4884 North, depth = 4.8 km. The epicenter was at a depth of 4.8 km (3 miles). Event id: nn00905548. Ids that are associated to the earthquake: nn00905548.

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days three and in the last 365 days six earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 82 km NE of Tonopah, Nevada.

Nevada Tonopah

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-116.454° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.4884° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	4.8 km	Depth of the event in kilometers.
Place	82 km NE of Tonopah, Nevada	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-10-07 09:14:38	Time when the event occurred. UTC/GMT
Updated	2025-10-07 09:18:05	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	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	234	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	nn	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,nn,	A comma-separated list of network contributors.
Number of Stations Used	35	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.078	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.3445 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	48.55	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	nn00905548	Id of event.
Event Code	00905548	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nn00905548,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.9 quake has struck near Tonopah in Nevada

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