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Minor earthquake 2.87 mag, 20 km SE of Yosemite Valley, CA

Earthquake location 37.6363335S, -119.3931656WA minor earthquake magnitude 2.87 (ml/mb) has struck on Friday, 20 kilometers (12 miles) from Yosemite Valley in CA. Date and time of earthquake in UTC/GMT: 30/10/20 / 2020-10-30 08:02:03 / October 30, 2020 @ 8:02 am. Exact location of event, depth 13.97 km, -119.3931656° West, 37.6363335° North. The earthquake was roughly at a depth of 13.97 km (9 miles). Unique identifier: nc73476346. Ids that are associated to the event: nc73476346. The 2.87-magnitude earthquake was detected at 08:02:03 / 8:02 am (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Mammoth Lakes. Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Event epicenter was 37 km (23 miles) from Mammoth Lakes (c. 8 200 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days one and in the last 365 days ninety earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 20 km SE of Yosemite Valley, CA.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -119.3931656° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.6363335° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.97 km Depth of the event in kilometers.
Place 20km SE of Yosemite Valley, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-30 08:02:03 Time when the event occurred. UTC/GMT
Updated 2020-10-30 08:08:04 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 127 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 40 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2492 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 nc73476346 Id of event.
Event Code 73476346 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73476346, A comma-separated list of event ids that are associated to an event.

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