Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 04-09-2019 and time 02:57:18 (Italy) in region 2 km W Belpasso (CT)

A magnitude ML 1.9 earthquake occured in region: 2 km W Belpasso (CT), on

  • 04-09-2019 00:57:18 (UTC)
  • 04-09-2019 02:57:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5930, 14.9510 at 8 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
Belpasso CT 2 28108 28108
Ragalna CT 4 3924 32032
Paternò CT 5 48228 80260
Camporotondo Etneo CT 6 5023 85283
Santa Maria di Licodia CT 6 7641 92924
San Pietro Clarenza CT 7 7743 100667
Nicolosi CT 7 7463 108130
Biancavilla CT 9 24007 132137
Motta Sant'Anastasia CT 9 12116 144253
Misterbianco CT 9 49410 193663
Mascalucia CT 9 31958 225621
Pedara CT 10 14102 239723
Gravina di Catania CT 11 25838 265561
Tremestieri Etneo CT 11 20589 286150
Trecastagni CT 12 10910 297060
Sant'Agata li Battiati CT 12 9479 306539
San Giovanni la Punta CT 13 23060 329599
Adrano CT 13 36122 365721
Viagrande CT 13 8563 374284
Aci Bonaccorsi CT 14 3524 377808
San Gregorio di Catania CT 14 11966 389774
Valverde CT 16 7840 397614
Aci Sant'Antonio CT 16 17984 415598
Catania CT 16 314555 730153
Aci Catena CT 17 29851 760004
Zafferana Etnea CT 18 9517 769521
Aci Castello CT 18 18723 788244
Centuripe EN 19 5470 793714
Acireale CT 19 52622 846336
Santa Venerina CT 20 8592 854928

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Catania (314555 inhabitants)
19 Km W of Acireale (52622 inhabitants)
67 Km NW of Siracusa (122291 inhabitants)
77 Km N of Ragusa (73313 inhabitants)
79 Km E of Caltanissetta (63360 inhabitants)
80 Km NE of Vittoria (63339 inhabitants)
83 Km N of Modica (54633 inhabitants)
84 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km NE of Gela (75827 inhabitants)
86 Km SW of Messina (238439 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 1.9 2019-09-04
00:57:18		 37.5932 14.9508 8 2020-02-28
16:42:06		 Bollettino Sismico Italiano INGV 73905121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-04 00:57:18 ± 0.1
Latitude 37.5932 ± 0.0063
Longitude 14.9508 ± 0.0079
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73905121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 685
Semi-minor axis of confidence ellipse (meter) 590
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.44606
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 73905121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-18 10:00:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2019-09-04T00:57:27.96 0.6 undecidable manual P 167 49.5171 50 0.05 47
IV.GALF.HHZ. 2019-09-04T00:57:26.80 1.0 undecidable manual P 291 36.1416 50 0.95 18
IV.HAGA.HHZ. 2019-09-04T00:57:26.27 0.6 undecidable manual P 152 38.628 50 0.04 48
IV.CAGR.HHE. 2019-09-04T00:57:25.69 1.0 undecidable manual P 275 39.7269 50 -0.71 20
IV.ECTS.EHZ. 2019-09-04T00:57:25.37 0.6 undecidable manual P 25 35.3424 50 -0.35 45
IV.HLNI.HHZ. 2019-09-04T00:57:24.70 0.6 undecidable manual P 194 28.0497 106 0.36 45
IV.EPIT.HHZ. 2019-09-04T00:57:24.05 0.6 undecidable manual P 21 25.9518 108 0.12 48
IV.EPZF.HHZ. 2019-09-04T00:57:24.49 0.3 undecidable manual P 342 26.8509 107 0.37 68
IV.EMSG.HHZ. 2019-09-04T00:57:24.06 0.1 undecidable manual P 360 25.2525 108 0.25 94
IV.EMCN.HNZ. 2019-09-04T00:57:23.35 0.3 undecidable manual P 18 23.1546 109 -0.06 73
IV.ECHR.HNZ. 2019-09-04T00:57:23.54 0.6 undecidable manual S 342 10.878 127 0.33 47
IV.ESLN.HHZ. 2019-09-04T00:57:23.41 0.1 undecidable manual S 11 11.2776 126 0.08 99
IV.ESML.HHZ. 2019-09-04T00:57:22.18 0.6 undecidable manual S 294 6.8931 140 -0.02 51
IV.EVRN.HNZ. 2019-09-04T00:57:22.81 0.6 undecidable manual P 57 19.3695 113 0.1 49
IV.ENIC.HHZ. 2019-09-04T00:57:22.43 0.1 undecidable manual S 56 7.4814 137 0.08 100
IV.ECHR.HNZ. 2019-09-04T00:57:20.87 0.1 undecidable manual P 342 10.878 127 -0.34 94
IV.ESLN.HHZ. 2019-09-04T00:57:20.94 0.1 negative manual P 11 11.2776 126 -0.35 94
IV.ESML.HHZ. 2019-09-04T00:57:20.44 0.1 undecidable manual P 294 6.8931 140 -0.19 98
IV.ENIC.HHZ. 2019-09-04T00:57:20.62 0.1 undecidable manual P 56 7.4814 137 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:2.1 0.001716121 0.3 AML other m 2019-09-04T00:57:23.55
IV.ENIC.HHN. ML:1.7 0.000857 0.54 AML other m 2019-09-04T00:57:25.70
IV.ESML.HHE. ML:2.0 0.0018772505000000002 0.32 AML other m 2019-09-04T00:57:22.97
IV.ESML.HHN. ML:2.1 0.0021972145 0.3 AML other m 2019-09-04T00:57:22.53
IV.ENIC.HHE. ML:1.8 0.001027684 0.2 AML other m 2019-09-04T00:57:23.20
IV.ESLN.HHE. ML:2.4 0.0030950829999999998 0.48 AML other m 2019-09-04T00:57:23.52
IV.HLNI.HHN. ML:1.1 0.00006329974500000001 0.26 AML other m 2019-09-04T00:57:31.17
IV.HLNI.HHE. ML:0.9 0.0000458516455 0.14 AML other m 2019-09-04T00:57:31.12
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