Earthquake with magnitude of ML 2.4 on date 05-04-2011 and time 09:19:53 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 05-04-2011 07:19:53 (UTC)
  • 05-04-2011 09:19:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8030, 13.8070 at 31 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
84 Km N of Bagheria (55387 inhabitants)
86 Km NE of Palermo (674435 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 2.6
ML 2.4
2011-04-05
07:19:53
38.803 13.807 31 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1192249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-05 07:19:53 ± 0.25
Latitude 38.8030 ± 0.0162
Longitude 13.8070 ± 0.0138
Depth (km) 31 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1192249

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1556
Semi-minor axis of confidence ellipse (meter) 1155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 2163.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 213
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.43532
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1192249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:18:11

Md:2.6

Field Value
Value 2.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1192249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:18:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLLN.SHZ. 2011-04-05T07:20:22.78 0.1 undecidable manual Sg 162 94.5387 0.618 83
IV.SOLUN.HHZ. 2011-04-05T07:20:18.90 0.1 undecidable manual Sg 197 82.4508 -0.125 93
IV.MSRU.HHZ. 2011-04-05T07:20:18.56 0.1 undecidable manual Pg 112 159.3183 0.052 79
IV.MPNC.HHZ. 2011-04-05T07:20:17.54 0.3 undecidable manual Pg 118 152.736 -0.154 60
IV.MILZ.HHZ. 2011-04-05T07:20:15.36 0.3 undecidable manual Pg 115 136.9629 -0.369 60
IV.CORL.HHZ. 2011-04-05T07:20:12.78 0.3 undecidable manual Pg 204 109.9122 0.418 62
IV.IACL.HHZ. 2011-04-05T07:20:12.53 0.1 undecidable manual Sg 122 56.1993 0.124 100
.USI.HHE. 2011-04-05T07:20:12.16 0.6 undecidable manual Sg 259 55.3002 -0.039 50
IV.VVLD.HHN. 2011-04-05T07:20:10.01 10.0 undecidable manual Pg 0 0 0
IV.GIB.HHN. 2011-04-05T07:20:09.71 0.1 undecidable manual Pg 168 92.1411 -0.129 92
IV.PLLN.SHZ. 2011-04-05T07:20:09.49 0.1 undecidable manual Pg 162 94.5387 -0.704 77
IV.SOLUN.HHZ. 2011-04-05T07:20:07.72 0.1 undecidable manual Pg 197 82.4508 -0.663 81
IV.IACL.HHZ. 2011-04-05T07:20:04.84 0.1 undecidable manual Pg 122 56.1993 0.278 96
.USI.HHE. 2011-04-05T07:20:04.91 0.1 undecidable manual Pg 259 55.3002 0.468 92
IV.STR3.BHZ. 2011-04-05T07:20:04.55 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHN. 2011-04-05T07:20:04.50 10.0 undecidable manual Pg 0 0 0
IV.CMPO.HHN. 2011-04-05T07:20:02.65 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHZ. 2011-04-05T07:20:02.08 10.0 undecidable manual Sg 0 0 0
IV.GUAR.HHZ. 2011-04-05T07:20:01.03 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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