Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 16-03-2012 and time 03:45:46 (Italy) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude ML 2.5 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 16-03-2012 02:45:46 (UTC)
  • 16-03-2012 03:45:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0510, 14.0620 at 3 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cefalù PA 4 14393 14393
Pollina PA 10 2974 17367
Lascari PA 12 3588 20955
Gratteri PA 12 963 21918
Isnello PA 13 1589 23507
Castelbuono PA 13 8943 32450
Campofelice di Roccella PA 17 7537 39987
Tusa ME 17 2925 42912
Collesano PA 18 4054 46966
San Mauro Castelverde PA 19 1701 48667

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Bagheria (55387 inhabitants)
62 Km E of Palermo (674435 inhabitants)
62 Km N of Caltanissetta (63360 inhabitants)
92 Km NE of Agrigento (59770 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 2.5 2012-03-16
02:45:46		 38.051 14.062 3 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1349319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-16 02:45:46 ± 0.12
Latitude 38.0510 ± 0.0072
Longitude 14.0620 ± 0.0080
Depth (km) 3 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1349319

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 895
Semi-minor axis of confidence ellipse (meter) 579
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.56752
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1349319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:55:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2012-03-16T02:47:04.03 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHE. 2012-03-16T02:46:32.88 10.0 undecidable manual Pg 0 0 0
IV.HMDC.HHN. 2012-03-16T02:46:29.40 10.0 undecidable manual Pg 0 0 0
IV.ROM9.HHZ. 2012-03-16T02:46:28.84 10.0 undecidable manual Pg 0 0 0
IV.HVZN.HHE. 2012-03-16T02:46:25.18 10.0 undecidable manual Sg 0 0 0
MN.CUC.HHZ. 2012-03-16T02:46:25.89 10.0 undecidable manual Pg 0 0 0
IV.ECNV.HHE. 2012-03-16T02:46:19.85 10.0 undecidable manual Sg 0 0 0
IV.SOI.EHZ. 2012-03-16T02:46:15.54 0.3 undecidable manual Pg 89 173.9925 0.055 51
IV.MPAZ.HHZ. 2012-03-16T02:46:14.77 0.6 undecidable manual Pg 93 170.2962 -0.148 34
IV.HAVL.HHE. 2012-03-16T02:46:11.99 0.3 undecidable manual Pg 142 152.8359 -0.227 54
IV.SSY.HHZ. 2012-03-16T02:46:09.59 0.3 undecidable manual Pg 138 133.1667 0.409 55
IV.MEU.SHZ. 2012-03-16T02:46:08.08 0.6 undecidable manual Pg 147 124.1868 0.275 38
IV.HVZN.HHE. 2012-03-16T02:46:07.42 10.0 undecidable manual Pg 0 0 0
IV.MSRU.HHZ. 2012-03-16T02:46:07.59 0.6 undecidable manual Pg 79 128.3715 -0.857 31
IV.HCRL.HHN. 2012-03-16T02:46:07.39 0.3 undecidable manual Pg 135 120.4905 0.157 59
IV.MTGR.SHZ. 2012-03-16T02:46:06.69 10.0 undecidable manual Pg 0 0 0
IV.ECNV.HHE. 2012-03-16T02:46:05.26 10.0 undecidable manual Pg 0 0 0
IV.MPNC.HHZ. 2012-03-16T02:46:05.94 0.3 undecidable manual Pg 84 113.1978 -0.169 60
IV.MMME.HHZ. 2012-03-16T02:46:05.08 0.3 undecidable manual Pg 97 105.0171 0.234 60
IV.MMGO.SHZ. 2012-03-16T02:46:04.69 10.0 undecidable manual Pg 0 0 0
IV.MILZ.HHZ. 2012-03-16T02:46:04.30 0.3 undecidable manual Pg 76 104.9172 -0.53 56
MN.CLTB.HHZ. 2012-03-16T02:46:04.01 0.6 undecidable manual Pg 235 90.8424 1.351 26
IV.RAFF.HHE. 2012-03-16T02:46:03.80 0.6 undecidable manual Pg 164 95.6376 0.402 40
IV.CRJA.SHZ. 2012-03-16T02:46:03.56 0.3 undecidable manual Pg 254 96.5256 0.011 64
IV.ILLI.HHZ. 2012-03-16T02:46:02.54 0.3 undecidable manual Pg 60 88.7445 0.192 63
IV.NOV.HHZ. 2012-03-16T02:46:02.82 0.6 undecidable manual Pg 91 93.9393 -0.322 40
IV.ALJA.HHZ. 2012-03-16T02:46:00.99 0.6 undecidable manual Sg 219 43.0236 -0.14 46
IV.IFIL.EHZ. 2012-03-16T02:46:00.26 0.3 undecidable manual Pg 38 72.372 0.438 62
IV.MUCR.HHE. 2012-03-16T02:45:59.42 0.1 undecidable manual Pg 90 70.9734 -0.178 87
IV.CORL.HHZ. 2012-03-16T02:45:59.41 0.1 undecidable manual Pg 256 68.4759 0.185 87
IV.MCT.BHZ. 2012-03-16T02:45:59.38 0.1 undecidable manual Pg 220 62.2932 1.113 63
IV.CAGR.HHZ. 2012-03-16T02:45:58.67 0.6 undecidable manual Pg 141 61.0944 0.587 40
IV.MPG.SHZ. 2012-03-16T02:45:57.92 0.1 undecidable manual Pg 282 62.493 -0.375 85
IV.GALF.HHZ. 2012-03-16T02:45:57.29 0.1 undecidable manual Pg 130 58.0974 -0.328 86
IV.USI.HHZ. 2012-03-16T02:45:55.53 10.0 undecidable manual Pg 0 0 0
IV.RESU.HHZ. 2012-03-16T02:45:55.28 0.1 undecidable manual Pg 181 44.8218 0.104 93
IV.ALJA.HHZ. 2012-03-16T02:45:54.02 0.1 undecidable manual Pg 219 43.0236 -0.792 76
IV.PLLN.SHZ. 2012-03-16T02:45:49.71 0.3 undecidable manual Sg 132 9.5793 0.066 74
IV.PLLN.SHZ. 2012-03-16T02:45:48.21 0.1 undecidable manual Pg 132 9.5793 0.03 100
IV.GIB.HHZ. 2012-03-16T02:45:48.64 0.3 undecidable manual Sg 205 7.3815 -0.288 71
IV.GIB.HHZ. 2012-03-16T02:45:47.58 0.1 undecidable manual Pg 205 7.3815 -0.187 97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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