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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.34 quake has struck near Tennant in CA


Earthquake location 41.6376667S, -121.6536667WA minor earthquake magnitude 3.34 (ml/mb) has occurred on Saturday, 22 kilometers (14 miles) from Tennant in CA. Exact time and date of event in UTC/GMT: 20/10/18 / 2018-10-20 11:42:32 / October 20, 2018 @ 11:42 am. Event ids that are associated to the earthquake: nc73101241. Id of event: nc73101241. The 3.34-magnitude earthquake has occurred at 03:42:32 / 3:42 am (local time epicenter). The earthquake was roughly at a depth of 3.02 km (2 miles). Exact location, longitude -121.6536667° West, latitude 41.6376667° North, depth = 3.02 km.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the event was 66 km (41 miles) from Klamath Falls (c. 20 800 pop), 64 km (40 miles) from Altamont (c. 19 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Klamath Falls, Altamont.

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

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 22 km ENE of Tennant, CA.

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More information

Parameter Value Description
Magnitude 3.34 mb The magnitude for the event.
Longitude -121.6536667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 41.6376667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.02 km Depth of the event in kilometers.
Place 22km ENE of Tennant, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-20 11:42:32 Time when the event occurred. UTC/GMT
Updated 2018-10-23 23:26:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 172 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05905 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.03 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 228 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 nc73101241 Id of event.
Event Code 73101241 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73101241, A comma-separated list of event ids that are associated to an event.

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