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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 80 km SSE of Iztapa, Guatemala


Earthquake location 13.2343S, -90.5007WA light earthquake with magnitude 4 (ml/mb) was detected on Wednesday, 80 kilometers (50 miles) from Iztapa in Guatemala. The epicenter of the earthquake was roughly 45.69 km (28 miles) below the earth’s surface. The 4-magnitude earthquake has occurred at 15:29:01 / 3:29 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 45.69 km, -90.5007° West, 13.2343° North. Id of earthquake: us2000bljg. Event ids that are associated: us2000bljg. Date and time of earthquake in UTC/GMT: 01/11/17 / 2017-11-01 21:29:01 / November 1, 2017 @ 9:29 pm.

Earthquake epicenter was 83 km (52 miles) from Acajutla (c. 22 800 pop), 85 km (53 miles) from Puerto San José (c. 18 700 pop). Nearest cities/city/villages to epicentrum/hypocenter was Puerto San José, Acajutla (min 5000 pop). Close country/countries that might be effected, Guatemala (c. 13 550 000 pop), El Salvador (c. 6 052 000 pop).

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

Did you feel the quake?

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. 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: 80 km SSE of Iztapa, Guatemala.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -90.5007° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.2343° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 45.69 km Depth of the event in kilometers.
Place 80km SSE of Iztapa, Guatemala Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-01 21:29:01 Time when the event occurred. UTC/GMT
Updated 2017-11-25 06:11:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 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 1.314 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 193 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 us2000bljg Id of event.
Event Code 2000bljg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bljg, A comma-separated list of event ids that are associated to an event.

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