Earthquake with magnitude of ML 2.0 on date 15-04-2011 and time 04:24:08 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 15-04-2011 04:24:08 (UTC)
  • 15-04-2011 06:24:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6750, 13.0700 at 3 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
88 Km W of Pozzuoli (81661 inhabitants)
89 Km S of Latina (125985 inhabitants)
94 Km SE of Anzio (54211 inhabitants)
98 Km W of Marano di Napoli (59874 inhabitants)
99 Km W of Giugliano in Campania (122974 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 2.2
ML 2.0
2011-04-15
04:24:08
40.675 13.07 3 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1196759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-15 04:24:08 ± 1.14
Latitude 40.6750 ± 0.0585
Longitude 13.0700 ± 0.0415
Depth (km) 3 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1196759

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6632
Semi-minor axis of confidence ellipse (meter) 3158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 7382.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 303
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.26445
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1196759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:24:15

Md:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1196759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:24:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2011-04-15T04:25:00.22 10.0 undecidable manual Pg 0 0 0
IV.NL9.EHZ. 2011-04-15T04:25:00.14 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHN. 2011-04-15T04:24:47.22 10.0 undecidable manual Pg 0 0 0
MN.PDG.HHN. 2011-04-15T04:24:45.72 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHE. 2011-04-15T04:24:39.50 0.6 undecidable manual Sg 9 99.2229 0.06 52
IV.MODR.HHE. 2011-04-15T04:24:37.29 0.6 undecidable manual Sg 52 85.5477 1.494 30
IV.CERA.HHN. 2011-04-15T04:24:32.47 0.6 undecidable manual Pg 37 129.4704 1.352 30
IV.VVLD.HHZ. 2011-04-15T04:24:31.87 0.3 undecidable manual Pg 19 140.3484 -0.924 55
IV.POFI.HHN. 2011-04-15T04:24:30.77 0.3 undecidable manual Pg 25 127.4724 -0.041 74
IV.MSC.EHZ. 2011-04-15T04:24:26.68 0.6 undecidable manual Pg 53 94.8384 0.9 41
IV.GIUL.HHE. 2011-04-15T04:24:26.19 0.1 undecidable manual Pg 9 99.2229 -0.264 100
IV.MODR.HHE. 2011-04-15T04:24:25.38 0.6 undecidable manual Pg 52 85.5477 1.029 39
IV.VENT.EHE. 2011-04-15T04:24:19.46 0.6 undecidable manual Sg 66 32.4453 -0.547 53
IV.VENT.EHE. 2011-04-15T04:24:14.43 0.3 undecidable manual Pg 66 32.4453 -0.805 71
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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