Earthquake with magnitude of ML 2.0 on date 16-09-2011 and time 05:10:30 (UTC) in region Tirreno Meridionale (MARE)

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

  • 16-09-2011 05:10:30 (UTC)
  • 16-09-2011 07:10:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4000, 15.4400 at 122 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villafranca Tirrena ME 18 8584 8584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Messina (238439 inhabitants)
37 Km NW of Reggio di Calabria (183035 inhabitants)
91 Km N of Acireale (52622 inhabitants)
100 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 2.0 2011-09-16
05:10:30
38.4 15.44 122 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1287579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-16 05:10:30 ± 0.81
Latitude 38.4000 ± 0.0603
Longitude 15.4400 ± 0.0826
Depth (km) 122 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1287579

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8856
Semi-minor axis of confidence ellipse (meter) 2573
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 131
Circular confidence region, given by single value of horizontal uncertainty (meter) 9835.1
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 10
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.75
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58186
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1287579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:29:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCEL.EHN. 2011-09-16T05:11:11.82 10.0 undecidable manual Pg 0 0 0
IV.SOI.EHZ. 2011-09-16T05:11:03.84 0.6 undecidable manual Sg 124 64.5909 0.102 48
IV.MCSR.HHE. 2011-09-16T05:11:02.57 0.6 undecidable manual Sg 206 41.4252 0.97 38
IV.JOPP.HHN. 2011-09-16T05:11:01.98 0.6 undecidable manual Sg 59 45.0216 0.107 50
IV.ATN.BHE. 2011-09-16T05:10:59.71 0.6 undecidable manual Sg 175 26.751 -0.97 39
IV.SOI.EHZ. 2011-09-16T05:10:49.93 0.1 undecidable manual Pg 124 64.5909 0.094 97
IV.JOPP.HHN. 2011-09-16T05:10:48.85 0.1 undecidable manual Pg 59 45.0216 0.09 100
IV.MCSR.HHE. 2011-09-16T05:10:48.83 0.1 undecidable manual Pg 206 41.4252 0.229 98
IV.ATN.BHE. 2011-09-16T05:10:47.55 0.1 undecidable manual Pg 175 26.751 -0.52 93
.MMME.HHE. 2011-09-16T05:10:45.37 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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