Earthquake with magnitude of ML 2.2 on date 14-09-2011 and time 01:51:45 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 13-09-2011 23:51:45 (UTC)
  • 14-09-2011 01:51:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4210, 15.4400 at 64 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
27 Km NW of Messina (238439 inhabitants)
39 Km NW of Reggio di Calabria (183035 inhabitants)
93 Km N of Acireale (52622 inhabitants)
98 Km SW of Lamezia Terme (70714 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
ML 2.2 2011-09-13
23:51:45
38.421 15.44 64 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1286629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-13 23:51:45 ± 0.25
Latitude 38.4210 ± 0.0261
Longitude 15.4400 ± 0.0126
Depth (km) 64 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1286629

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2898
Semi-minor axis of confidence ellipse (meter) 553
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 3101.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 246
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.16637
Epicentral distance of station farthest from the epicenter (degree) 0.59445
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1286629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:27:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.EHE. 2011-09-13T23:52:09.34 0.6 undecidable manual Sg 126 65.9895 -0.077 47
MN.CEL.HHN. 2011-09-13T23:52:05.99 0.6 undecidable manual Sg 114 43.3233 0.17 48
IV.ATN.BHN. 2011-09-13T23:52:03.95 0.3 undecidable manual Sg 176 29.1486 -0.127 73
IV.MILZ.HHZ. 2011-09-13T23:52:03.85 0.6 undecidable manual Sg 228 24.6531 0.21 50
IV.SOI.EHE. 2011-09-13T23:51:59.55 0.3 undecidable manual Pg 126 65.9895 0.087 70
MN.CEL.HHN. 2011-09-13T23:51:57.28 0.1 undecidable manual Pg 114 43.3233 -0.101 100
IV.MCSR.HHE. 2011-09-13T23:51:57.74 0.3 undecidable manual Pg 205 43.623 0.342 70
IV.ATN.BHN. 2011-09-13T23:51:56.12 0.1 undecidable manual Pg 176 29.1486 -0.259 98
IV.MILZ.HHZ. 2011-09-13T23:51:56.14 0.3 undecidable manual Pg 228 24.6531 0.017 77
IV.MPNC.HHN. 2011-09-13T23:51:56.31 0.3 undecidable manual Pg 194 31.4463 -0.205 74
IV.MSRU.HHE. 2011-09-13T23:51:55.72 0.3 undecidable manual Pg 161 18.4704 -0.12 77
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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