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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Taitung City in Taiwan


Earthquake location 22.6361S, 121.5415WA light earthquake magnitude 4 (ml/mb) has occurred on Wednesday, 42 kilometers (26 miles) from Taitung City in Taiwan. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us20003jun. Event ids that are associated: us20003jun. Exact location of event, depth 10.4 km, 121.5415° East, 22.6361° North. The earthquake was roughly at a depth of 10.4 km (6 miles). Exact time and date of event in UTC/GMT: 01/09/15 / 2015-09-01 23:28:03 / September 1, 2015 @ 11:28 pm. The 4-magnitude earthquake has occurred at 07:28:03 / 7:28 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Taitung City (min 5000 pop). Earthquake epicenter was 43 km (27 miles) from Taitung City (c. 109 600 pop). Country/countries that might be effected, Taiwan (c. 22 894 000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days thirteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 42 km ESE of Taitung City, Taiwan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 121.5415° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 22.6361° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.4 km Depth of the event in kilometers.
Place 42km ESE 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 2015-09-01 23:28:03 Time when the event occurred. UTC/GMT
Updated 2015-09-15 23:15:14 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 246 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 0.462 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 239 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 us20003jun Id of event.
Event Code 20003jun An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003jun, A comma-separated list of event ids that are associated to an event.

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