Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-10-2019 and time 12:17:32 (Italy) in region 11 km N Ragalna (CT)

A magnitude ML 2.0 earthquake occured in region: 11 km N Ragalna (CT), on

  • 04-10-2019 10:17:32 (UTC)
  • 04-10-2019 12:17:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7340, 14.9570 at 0 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
Ragalna CT 12 3924 3924
Bronte CT 13 19172 23096
Biancavilla CT 13 24007 47103
Adrano CT 13 36122 83225
Maletto CT 13 3920 87145
Zafferana Etnea CT 14 9517 96662
Milo CT 14 1087 97749
Santa Maria di Licodia CT 14 7641 105390
Nicolosi CT 15 7463 112853
Pedara CT 16 14102 126955
Belpasso CT 16 28108 155063
Randazzo CT 16 10900 165963
Sant'Alfio CT 17 1582 167545
Trecastagni CT 17 10910 178455
Santa Venerina CT 17 8592 187047
Paternò CT 18 48228 235275
Viagrande CT 18 8563 243838
San Pietro Clarenza CT 19 7743 251581
Camporotondo Etneo CT 19 5023 256604
Maniace CT 19 3765 260369
Mascalucia CT 20 31958 292327

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Acireale (52622 inhabitants)
28 Km NW of Catania (314555 inhabitants)
73 Km SW of Messina (238439 inhabitants)
73 Km SW of Reggio di Calabria (183035 inhabitants)
81 Km NW of Siracusa (122291 inhabitants)
83 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
97 Km NE of Gela (75827 inhabitants)
99 Km N of Modica (54633 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 2019-10-04
10:17:32		 37.7337 14.9572 0 2020-02-28
16:42:07		 Bollettino Sismico Italiano INGV 73936441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-04 10:17:32 ± 0.12
Latitude 37.7337 ± 0.0063
Longitude 14.9572 ± 0.0102
Depth (km) 0 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73936441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 980
Semi-minor axis of confidence ellipse (meter) 610
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
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) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.51711
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:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73936441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-09 13:38:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHN. 2019-10-04T10:17:44.75 1.0 undecidable manual P 37 57.3981 90 0.58 21
IV.HLNI.HHE. 2019-10-04T10:17:42.02 1.0 undecidable manual P 190 43.4232 90 0.66 21
IV.MSFR.HHZ. 2019-10-04T10:17:42.56 1.0 undecidable manual P 316 46.2204 90 0.63 21
IV.AIO.HHE. 2019-10-04T10:17:40.16 0.3 undecidable manual P 42 35.742 90 0.32 69
IV.MUCR.HHZ. 2019-10-04T10:17:39.80 0.3 undecidable manual P 348 35.0427 90 0.1 72
IV.GALF.HHZ. 2019-10-04T10:17:39.74 0.3 undecidable manual P 266 34.3434 90 0.18 71
IV.ESML.HHZ. 2019-10-04T10:17:38.55 0.6 undecidable manual S 208 14.4744 91 0.84 40
IV.ECTS.EHE. 2019-10-04T10:17:37.12 0.3 undecidable manual P 41 21.867 91 0.07 74
IV.EMCN.HNE. 2019-10-04T10:17:36.67 0.6 undecidable manual S 46 9.2796 92 0.79 41
IV.EPIT.HHE. 2019-10-04T10:17:35.51 0.3 undecidable manual P 45 12.2766 91 0.38 71
IV.ENIC.HHZ. 2019-10-04T10:17:35.27 0.3 undecidable manual P 153 12.6762 91 0.06 76
IV.ECHR.HHE. 2019-10-04T10:17:35.74 0.6 undecidable manual S 216 6.4935 93 0.8 41
IV.ESML.HHZ. 2019-10-04T10:17:35.08 0.6 undecidable manual P 208 14.4744 91 -0.5 46
IV.EMSG.HHZ. 2019-10-04T10:17:34.48 0.1 undecidable manual P 356 9.6792 92 -0.13 100
IV.ESLN.HHZ. 2019-10-04T10:17:34.34 0.6 undecidable manual S 161 4.6953 93 0.03 52
IV.EPZF.HHZ. 2019-10-04T10:17:34.87 0.1 undecidable manual P 319 13.2756 91 -0.47 92
IV.ECHR.HHE. 2019-10-04T10:17:33.62 0.3 undecidable manual P 216 6.4935 93 -0.36 72
IV.EMCN.HNE. 2019-10-04T10:17:33.93 0.1 undecidable manual P 46 9.2796 92 -0.6 89
IV.ESLN.HHZ. 2019-10-04T10:17:32.95 0.1 undecidable manual P 161 4.6953 93 -0.67 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHE. ML:2.2 0.002855 0.3 AML other m 2019-10-04T10:17:39.22
IV.EMSG.HHN. ML:2.3 0.0034 0.72 AML other m 2019-10-04T10:17:40.32
IV.ESML.HHN. ML:2.1 0.0014299999999999998 0.32 AML other m 2019-10-04T10:17:41.34
IV.EPZF.HHN. ML:1.8 0.0009575 0.98 AML other m 2019-10-04T10:17:43.57
IV.EPZF.HHE. ML:1.8 0.0009040000000000001 0.38 AML other m 2019-10-04T10:17:43.89
IV.ESML.HHE. ML:2.2 0.0020949999999999996 0.82 AML other m 2019-10-04T10:17:43.41
IV.MUCR.HHE. ML:1.7 0.00023249999999999999 1.24 AML other m 2019-10-04T10:17:49.98
IV.MUCR.HHN. ML:1.8 0.00028700000000000004 0.92 AML other m 2019-10-04T10:17:50.33
IV.GALF.HHE. ML:2.1 0.0005529999999999999 0.56 AML other m 2019-10-04T10:17:56.74
IV.GALF.HHN. ML:2.1 0.000621 1.52 AML other m 2019-10-04T10:17:59.98
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