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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Taitung City in Taiwan


Earthquake location 22.086S, 121.6396WA light earthquake magnitude 4.2 (ml/mb) has occurred on Wednesday, 90 kilometers (56 miles) from Taitung City in Taiwan. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. All ids that are associated to the event: us2000arp7. Unique identifier: us2000arp7. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 02:55:47 / 2:55 am (local time epicenter). Exact location of event, longitude 121.6396 East, latitude 22.086 North, depth = 10 km. Exact time and date of earthquake 05/09/17 / 2017-09-05 18:55:47 / September 5, 2017 @ 6:55 pm UTC/GMT.

Country/countries that might be effected, Taiwan (c. 22 894 000 pop). Earthquake epicenter was 90 km (56 miles) from Taitung City (c. 109 600 pop), 93 km (58 miles) from Hengchun (c. 31 300 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Hengchun, Taitung City.

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 sixteen earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 90 km SE of Taitung City, Taiwan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 121.6396° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 22.086° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 90km SE of Taitung City, Taiwan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-05 18:55:47 Time when the event occurred. UTC/GMT
Updated 2017-09-29 22:11:52 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 271 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.893 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000arp7 Id of event.
Event Code 2000arp7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000arp7, A comma-separated list of event ids that are associated to an event.

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