Earthquake with magnitude of ML 2.0 on date 14-09-2011 and time 23:31:54 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 2.0 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 14-09-2011 21:31:54 (UTC)
  • 14-09-2011 23:31:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8580, 15.6540 at 7 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
Roghudi RC 12 1104 1104
Melito di Porto Salvo RC 14 11355 12459
Motta San Giovanni RC 17 6208 18667
Montebello Ionico RC 17 6214 24881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km S of Reggio di Calabria (183035 inhabitants)
38 Km S of Messina (238439 inhabitants)
51 Km NE of Acireale (52622 inhabitants)
64 Km NE of Catania (314555 inhabitants)
94 Km NE of Siracusa (122291 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 2.1
ML 2.0
2011-09-14
21:31:54
37.858 15.654 7 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1287029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-14 21:31:54 ± 0.4
Latitude 37.8580 ± 0.0099
Longitude 15.6540 ± 0.0103
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1287029

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1122
Semi-minor axis of confidence ellipse (meter) 482
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 328
Circular confidence region, given by single value of horizontal uncertainty (meter) 1421.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80130
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 1287029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:28:23

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1287029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:28:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHE. 2011-09-14T21:32:21.34 0.6 undecidable manual Sg 231 88.9443 0.086 44
IV.ESLN.HHN. 2011-09-14T21:32:18.31 10.0 undecidable manual Pg 0 0 0
IV.MILZ.HHZ. 2011-09-14T21:32:12.82 0.3 undecidable manual Sg 321 58.8966 -0.42 71
MN.CEL.HHZ. 2011-09-14T21:32:10.33 0.6 undecidable manual Sg 25 49.4172 -0.373 49
IV.HLNI.HHE. 2011-09-14T21:32:09.76 0.3 undecidable manual Pg 231 88.9443 -0.042 68
IV.SOI.EHE. 2011-09-14T21:32:08.84 0.3 undecidable manual Sg 56 42.4242 -0.007 72
IV.ATN.BHE. 2011-09-14T21:32:08.13 0.3 undecidable manual Sg 334 37.3293 0.804 58
IV.GMB.BHN. 2011-09-14T21:32:07.75 0.6 undecidable manual Sg 24 37.7289 0.297 46
IV.MPAZ.HHE. 2011-09-14T21:32:07.78 10.0 undecidable manual Pg 0 0 0
IV.MILZ.HHZ. 2011-09-14T21:32:04.69 0.3 undecidable manual Pg 321 58.8966 -0.484 67
MN.CEL.HHZ. 2011-09-14T21:32:03.78 0.3 undecidable manual Pg 25 49.4172 0.076 73
IV.MCSR.HHN. 2011-09-14T21:32:03.05 0.3 undecidable manual Pg 302 43.623 0.233 72
IV.GMB.BHN. 2011-09-14T21:32:02.07 0.3 undecidable manual Pg 24 37.7289 0.241 73
IV.SOI.EHE. 2011-09-14T21:32:02.59 0.1 undecidable manual Pg 56 42.4242 -0.043 100
IV.ATN.BHE. 2011-09-14T21:32:01.93 0.3 undecidable manual Pg 334 37.3293 0.171 75
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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