Earthquake with magnitude of ML 2.0 on date 23-11-2018 and time 13:20:00 (UTC) in region 5 km N Pietraperzia (EN)

A magnitude ML 2.0 earthquake occured in region: 5 km N Pietraperzia (EN), on

  • 23-11-2018 13:20:00 (UTC)
  • 23-11-2018 14:20:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4680, 14.1470 at 20 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
Pietraperzia EN 5 7013 7013
Caltanissetta CL 8 63360 70373
Barrafranca EN 12 13380 83753
Villarosa EN 14 4937 88690
San Cataldo CL 14 23253 111943
Enna EN 16 28019 139962
Santa Caterina Villarmosa CL 17 5388 145350
Calascibetta EN 18 4528 149878
Mazzarino CL 19 12145 162023

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of Caltanissetta (63360 inhabitants)
46 Km N of Gela (75827 inhabitants)
53 Km E of Agrigento (59770 inhabitants)
67 Km NW of Vittoria (63339 inhabitants)
79 Km NW of Ragusa (73313 inhabitants)
83 Km W of Catania (314555 inhabitants)
87 Km NW of Modica (54633 inhabitants)
88 Km SE of Bagheria (55387 inhabitants)
91 Km W of Acireale (52622 inhabitants)
100 Km SE of Palermo (674435 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 2018-11-23
13:20:00
37.4678 14.1473 20 2019-06-04
09:16:07
Bollettino Sismico Italiano INGV 64839201
Reviewed
Rev100
ML 2.4 2018-11-23
13:20:00
37.458 14.1427 21 2018-11-23
13:41:18
Sala Sismica INGV-Roma 63307081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-23 13:20:00 ± 0.13
Latitude 37.4678 ± 0.0072
Longitude 14.1473 ± 0.0091
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64839201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 840
Semi-minor axis of confidence ellipse (meter) 311
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.16282
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 64839201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-21 11:50:27

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 63307081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-23 13:41:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFIL.HHZ. 2018-11-23T13:20:35.93 3.0 undecidable manual S -3.15 0
MN.CEL.HHZ. 2018-11-23T13:20:28.54 3.0 positive manual P 0.69 0
IV.SSY.HHZ. 2018-11-23T13:20:26.99 1.0 undecidable manual S 113 88.6446 97 0.38 22
IV.HLNI.HHZ. 2018-11-23T13:20:21.36 1.0 undecidable manual S 102 65.1903 100 0.96 18
IV.ILLI.HHZ. 2018-11-23T13:20:21.62 0.3 undecidable manual P 33 129.0708 94 -0.09 63
IV.HPAC.HHZ. 2018-11-23T13:20:19.33 0.1 negative manual P 137 115.2957 95 -0.26 85
IV.IACL.HHZ. 2018-11-23T13:20:19.53 1.0 undecidable manual P 9 119.4915 95 -0.71 18
IV.AIO.HHZ. 2018-11-23T13:20:19.04 0.1 positive manual P 59 110.4006 95 0.2 87
IV.NOV.HHZ. 2018-11-23T13:20:18.74 0.1 positive manual P 54 106.7154 95 0.47 83
IV.MUCR.HHZ. 2018-11-23T13:20:16.15 0.1 negative manual P 45 90.1431 97 0.41 87
IV.CORL.HHZ. 2018-11-23T13:20:15.97 0.1 positive manual P 303 87.8454 97 0.59 83
IV.SSY.HHZ. 2018-11-23T13:20:15.25 0.1 positive manual P 113 88.6446 97 -0.25 89
IV.AGST.EHZ. 2018-11-23T13:20:15.22 3.0 undecidable manual P 0
IV.HAGA.HHZ. 2018-11-23T13:20:15.56 0.6 undecidable manual P 103 91.1421 97 -0.32 44
IV.MNO.SHZ. 2018-11-23T13:20:13.86 3.0 positive manual P 70.374 1.15 0
IV.CROCE.HHZ. 2018-11-23T13:20:13.53 1.0 undecidable manual P 154 78.366 98 -0.4 22
IV.MCT.BHZ. 2018-11-23T13:20:13.97 3.0 undecidable manual P 0
IV.RAFF.HHZ. 2018-11-23T13:20:12.20 1.0 undecidable manual S 145 33.1446 112 0.06 26
IV.HLNI.HHZ. 2018-11-23T13:20:11.57 0.1 positive manual P 102 65.1903 100 -0.35 91
IV.CMDO.HHZ. 2018-11-23T13:20:10.50 1.0 undecidable manual S 269 28.5492 116 -0.51 24
IV.FAVR.HHZ. 2018-11-23T13:20:10.09 0.3 undecidable manual P 242 47.8188 104 0.79 61
IV.PLLN.EHZ. 2018-11-23T13:20:10.37 0.6 undecidable manual P 360 58.1973 101 -0.49 44
IV.RESU.HHZ. 2018-11-23T13:20:09.10 1.0 undecidable manual S 338 21.3675 125 -0.26 25
IV.GALF.HHZ. 2018-11-23T13:20:09.52 0.6 undecidable manual P 54 45.621 105 0.55 46
IV.CSLB.HHZ. 2018-11-23T13:20:09.36 0.6 undecidable manual P 351 52.7028 103 -0.67 42
IV.ALJA.HHE. 2018-11-23T13:20:08.90 0.3 undecidable manual P 312 46.62 105 -0.21 73
MN.VAE.HHZ. 2018-11-23T13:20:08.80 0.3 undecidable manual S 90 18.1707 131 0.12 78
IT.GEA.HGE. 2018-11-23T13:20:08.86 0.3 undecidable manual P -0.31 69
IV.CAGR.HHZ. 2018-11-23T13:20:07.69 1.0 undecidable manual P 61 35.4423 110 0.22 25
IV.PETRA.HHZ. 2018-11-23T13:20:07.93 0.1 negative manual P 356 40.626 107 -0.31 96
IV.CLTA.HHZ. 2018-11-23T13:20:07.64 0.1 negative manual P 205 38.0286 109 -0.22 100
MN.VAE.HHZ. 2018-11-23T13:20:06.21 0.6 undecidable manual P 90 18.1707 131 1.06 38
IV.RAFF.HHZ. 2018-11-23T13:20:06.89 0.1 negative manual P 145 33.1446 112 -0.26 100
IV.CMDO.HHZ. 2018-11-23T13:20:06.99 0.3 undecidable manual P 269 28.5492 116 0.49 71
IV.RESU.HHZ. 2018-11-23T13:20:05.35 0.3 undecidable manual P 338 21.3675 125 -0.2 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RESU.HHE. ML:2.0 0.0006297097499999999 0.32 AML other m 2018-11-23T13:20:09.72
IV.RESU.HHN. ML:2.2 0.0007530376999999999 0.6208 AML other m 2018-11-23T13:20:16.94
MN.VAE.HHN. ML:1.8 0.00033749090000000006 0.3008 AML other m 2018-11-23T13:20:16.93
MN.VAE.HHE. ML:1.7 0.00030999195 0.4992 AML other m 2018-11-23T13:20:17.95
IV.RAFF.HHE. ML:2.0 0.0004118717 0.1984 AML other m 2018-11-23T13:20:14.36
IV.RAFF.HHN. ML:2.0 0.00040434905 0.1792 AML other m 2018-11-23T13:20:15.35
IV.CMDO.HHN. ML:1.6 0.00015698669999999999 0.3008 AML other m 2018-11-23T13:20:11.49
IV.CMDO.HHE. ML:1.4 0.00012200720000000001 0.32 AML other m 2018-11-23T13:20:17.00
IV.CLTA.HHE. ML:2.0 0.0003255585 0.3776 AML other m 2018-11-23T13:20:16.24
IV.CLTA.HHN. ML:1.7 0.00016648345 0.3776 AML other m 2018-11-23T13:20:17.12
IV.PETRA.HHE. ML:2.0 0.00034432205 0.4224 AML other m 2018-11-23T13:20:18.86
IV.PETRA.HHN. ML:2.2 0.00044053865000000003 0.4416 AML other m 2018-11-23T13:20:21.82
IV.CSLB.HHN. ML:1.8 0.00013903935000000002 0.3392 AML other m 2018-11-23T13:20:28.14
IV.CSLB.HHE. ML:2.0 0.0002072538 0.5568 AML other m 2018-11-23T13:20:26.62
IV.GALF.HNN. ML:1.6 0.00011844425 0.8064 AML other m 2018-11-23T13:20:24.20
IV.GALF.HHE. ML:2.0 0.0002660698 0.3776 AML other m 2018-11-23T13:20:24.62
IV.GALF.HHN. ML:1.9 0.00023426534999999998 0.3648 AML other m 2018-11-23T13:20:22.38
IV.GALF.HNE. ML:1.6 0.00012079226000000001 0.6208 AML other m 2018-11-23T13:20:26.36
IV.FAVR.HHE. ML:1.8 0.00017855995 0.64 AML other m 2018-11-23T13:20:23.21
IV.FAVR.HNE. ML:2.2 0.00040107785000000003 0.6464 AML other m 2018-11-23T13:20:23.53
IV.FAVR.HHN. ML:2.3 0.0005099709999999999 0.6208 AML other m 2018-11-23T13:20:21.46
IV.FAVR.HNN. ML:2.3 0.00051782015 0.7104 AML other m 2018-11-23T13:20:25.37
IV.MNO.SHE. ML:0.0 0.0005758937 0.6016 AML other m 2018-11-23T13:20:26.12
IV.MNO.SHN. ML:0.0 0.00047539075 0.5184 AML other m 2018-11-23T13:20:26.92
MN.CEL.HNE. ML:2.2 0.000055876405000000006 0.7616 AML other m 2018-11-23T13:20:52.66
MN.CEL.HHN. ML:2.2 0.000057411535 0.48 AML other m 2018-11-23T13:20:56.12
MN.CEL.HNN. ML:2.2 0.00006365873 0.864 AML other m 2018-11-23T13:20:59.41
MN.CEL.HHE. ML:1.9 0.000031990695 0.2624 AML other m 2018-11-23T13:20:53.34
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
Waveforms Seismic signals in miniseed + resp format Download