Minor earthquake 3.31 mag, 6 km SSW of Lerna, Illinois

A minor earthquake magnitude 3.31 (ml/mb) has occurred on Tuesday, 6 kilometers (4 miles) from Lerna in Illinois. Exact time and date of earthquake 13/05/25 / 2025-05-13 04:43:49 / May 13, 2025 @ 4:43 am UTC/GMT. Exact location of earthquake, -88.323833333333° West, 39.364166666667° North, depth 9.62 km. The earthquake was roughly at a depth of 9.62 km (6 miles). Event ids that are associated to the earthquake: us7000pyxx, nm60606081. Id of event: nm60606081. The 3.31-magnitude earthquake was detected at 04:43:49 / 4:43 am (local time epicenter).

Epicenter of the earthquake was 76 km (47 miles) from Decatur (c. 76 100 pop), 79 km (49 miles) from Terre Haute (c. 60 800 pop), 19 km (12 miles) from Charleston (c. 21 800 pop), 14 km (9 miles) from Mattoon (c. 18 600 pop), 33 km (21 miles) from Effingham (c. 12 300 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Vandalia, Terre Haute, Flora.

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

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 6 km SSW of Lerna, Illinois.

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Parameter	Value	Description
Magnitude	3.31 mb	The magnitude for the event.
Longitude	-88.323833333333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	39.364166666667° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	9.62 km	Depth of the event in kilometers.
Place	6 km SSW of Lerna, Illinois	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-05-13 04:43:49	Time when the event occurred. UTC/GMT
Updated	2025-05-13 05:07:08	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	37	The total number of felt reports
CDI	4.5	The maximum reported intensity for the event.
MMI	4.061	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	185	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	nm	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,nm,	A comma-separated list of network contributors.
Number of Stations Used	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.6534	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	73	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	nm60606081	Id of event.
Event Code	60606081	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000pyxx,nm60606081,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.31 mag, 6 km SSW of Lerna, Illinois

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