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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.9 quake has struck near Amahai in Indonesia


Earthquake location -3.5018S, 128.8044WA light earthquake magnitude 4.9 (ml/mb) has struck on Friday, 22 kilometers (14 miles) from Amahai in Indonesia. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.9-magnitude earthquake was detected at 13:59:35 / 1:59 pm (local time epicenter). Event ids that are associated to the earthquake: us7000qamm. Id of event: us7000qamm. Exact location of earthquake, longitude 128.8044 East, latitude -3.5018 South, depth = 35.168 km. Global time and date of event 04/07/25 / 2025-07-04 13:59:35 / July 4, 2025 @ 1:59 pm UTC/GMT. The epicenter was at a depth of 35.168 km (22 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ambon, Amahai. Close country/countries, Indonesia (c. 242 968 000 pop) (That might be effected). Epicenter of the event was 72 km (45 miles) from Ambon (c. 355 600 pop), 22 km (14 miles) from Amahai (c. 47 700 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been six, in the last 10 days six, in the past 30 days nine and in the last 365 days thirty-five earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

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: 22 km SW of Amahai, Indonesia.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 128.8044° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -3.5018° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35.168 km Depth of the event in kilometers.
Place 22 km SW of Amahai, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-07-04 13:59:35 Time when the event occurred. UTC/GMT
Updated 2025-07-25 10:16:30 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 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 369 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 95 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.487 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 28 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000qamm Id of event.
Event Code 7000qamm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qamm, A comma-separated list of event ids that are associated to an event.

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