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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Trenggalek in Indonesia

Earthquake location -8.5889S, 111.243WA light earthquake magnitude 4.2 (ml/mb) has occurred on Sunday, 76 kilometers (47 miles) from Trenggalek in Indonesia. Event ids that are associated to the earthquake: us7000bf2e. Id of event: us7000bf2e. The epicenter of the earthquake was roughly 110.75 km (69 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 111.243° East, -8.5889° South, depth 110.75 km. Global time and date of event 30/08/20 / 2020-08-30 18:28:05 / August 30, 2020 @ 6:28 pm UTC/GMT. The 4.2-magnitude earthquake was detected at 18:28:05 / 6:28 pm (local time epicenter).

Event epicenter was 84 km (52 miles) from Ponorogo (c. 79 000 pop), 93 km (58 miles) from Tulungagung (c. 65 300 pop), 80 km (50 miles) from Jatiroto (c. 50 100 pop), 89 km (55 miles) from Boyolangu (c. 32 300 pop), 76 km (48 miles) from Trenggalek (c. 29 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Tulungagung, Boyolangu, Ponorogo. Close country/countries that might be effected, Indonesia (c. 242 968 000 pop).

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

Did you feel it?

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: 76 km SW of Trenggalek, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 111.243° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -8.5889° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 110.75 km Depth of the event in kilometers.
Place 76 km SW of Trenggalek, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-08-30 18:28:05 Time when the event occurred. UTC/GMT
Updated 2020-08-30 19:48:47 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 272 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 0.979 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 160 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 us7000bf2e Id of event.
Event Code 7000bf2e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bf2e, A comma-separated list of event ids that are associated to an event.

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