Earthquake with magnitude of ML 2.4 on date 21-03-2011 and time 02:10:15 (Italy) in region Mar Ionio Meridionale (MARE)

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

  • 21-03-2011 01:10:15 (UTC)
  • 21-03-2011 02:10:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.2610, 15.9600 at 25 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
63 Km E of Siracusa (122291 inhabitants)
80 Km SE of Acireale (52622 inhabitants)
82 Km E of Catania (314555 inhabitants)
98 Km S of Reggio di Calabria (183035 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 2.4 2011-03-21
01:10:15
37.261 15.96 25 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1184139
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-03-21 01:10:15 ± 0.19
Latitude 37.2610 ± 0.0090
Longitude 15.9600 ± 0.0124
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1184139

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1249
Semi-minor axis of confidence ellipse (meter) 564
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 1486.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 240
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.00099
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1184139
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:07:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HHZ. 2011-03-21T01:11:24.81 10.0 undecidable manual Pg 0 0 0
IV.GRI.EHN. 2011-03-21T01:11:03.05 10.0 undecidable manual Pg 0 0 0
IV.MILZ.HHN. 2011-03-21T01:10:52.98 0.6 undecidable manual Sg 331 128.9709 0.033 47
IV.MSRU.HHZ. 2011-03-21T01:10:50.29 0.6 undecidable manual Sg 341 118.0929 0.141 47
IV.CAR1.HHN. 2011-03-21T01:10:48.10 0.3 undecidable manual Pg 6 222.111 -0.784 37
IV.HVZN.HHN. 2011-03-21T01:10:47.45 0.6 undecidable manual Sg 266 110.3118 -0.634 43
IV.HMDC.HHE. 2011-03-21T01:10:46.96 0.6 undecidable manual Sg 253 109.3128 -0.875 38
IV.MMME.HHZ. 2011-03-21T01:10:45.59 0.6 undecidable manual Sg 321 97.125 0.963 38
IV.HLNI.HHZ. 2011-03-21T01:10:43.66 0.6 undecidable manual Sg 276 96.4257 -0.779 41
IV.HAVL.HHN. 2011-03-21T01:10:40.41 0.3 undecidable manual Sg 246 81.252 -0.051 78
IV.HCRL.HHE. 2011-03-21T01:10:40.60 0.6 undecidable manual Sg 272 81.8514 -0.014 52
IV.MPAZ.HHZ. 2011-03-21T01:10:39.18 0.6 undecidable manual Sg 3 76.8675 -0.135 51
IV.SSY.HHZ. 2011-03-21T01:10:39.71 0.6 undecidable manual Sg 262 79.0653 -0.179 51
IV.GALF.HHN. 2011-03-21T01:10:38.34 0.3 undecidable manual Pg 293 132.3675 0.623 61
IV.RAFF.HHN. 2011-03-21T01:10:38.95 0.3 undecidable manual Pg 269 141.1476 0.147 68
IV.HAGA.HHN. 2011-03-21T01:10:37.81 0.6 undecidable manual Sg 272 71.0733 0.01 53
IV.ECNV.HHZ. 2011-03-21T01:10:36.16 0.3 undecidable manual Pg 289 115.995 0.805 59
IV.AGST.EHZ. 2011-03-21T01:10:36.22 0.6 undecidable manual Sg 270 64.6908 0.075 53
IV.MILZ.HHN. 2011-03-21T01:10:36.88 0.3 undecidable manual Pg 331 128.9709 -0.416 66
IV.MSRU.HHZ. 2011-03-21T01:10:35.26 0.1 undecidable manual Pg 341 118.0929 -0.421 89
MN.CEL.HHN. 2011-03-21T01:10:34.78 0.6 undecidable manual Pg 357 111 0.179 48
IV.HVZN.HHN. 2011-03-21T01:10:34.42 0.1 undecidable manual Pg 266 110.3118 -0.069 98
IV.HMDC.HHE. 2011-03-21T01:10:34.07 0.1 undecidable manual Pg 253 109.3128 -0.274 94
IV.NOV.HHZ. 2011-03-21T01:10:34.71 0.3 undecidable manual Pg 320 111.5994 0.016 74
IV.MPNC.HHZ. 2011-03-21T01:10:34.36 0.3 undecidable manual Pg 332 111.6993 -0.352 69
IV.MSCL.HHZ. 2011-03-21T01:10:33.84 0.3 undecidable manual Pg 352 108.7134 -0.415 68
IV.HLNI.HHZ. 2011-03-21T01:10:32.19 0.1 undecidable manual Pg 276 96.4257 -0.194 98
IV.MMME.HHZ. 2011-03-21T01:10:32.72 0.1 undecidable manual Pg 321 97.125 0.228 97
IV.HCRL.HHE. 2011-03-21T01:10:30.42 0.3 undecidable manual Pg 272 81.8514 0.244 75
IV.SSY.HHZ. 2011-03-21T01:10:30.04 0.1 undecidable manual Pg 262 79.0653 0.283 100
IV.HAVL.HHN. 2011-03-21T01:10:30.39 0.1 undecidable manual Pg 246 81.252 0.303 99
IV.MPAZ.HHZ. 2011-03-21T01:10:29.65 0.3 undecidable manual Pg 3 76.8675 0.225 76
IV.HAGA.HHN. 2011-03-21T01:10:28.76 0.3 undecidable manual Pg 272 71.0733 0.209 77
IV.AGST.EHZ. 2011-03-21T01:10:27.92 0.3 undecidable manual Pg 270 64.6908 0.325 76
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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