Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.3 on date 20-11-2000 and time 17:49:42 (Italy) in region 10 km SE Randazzo (CT)

A magnitude Md 2.3 earthquake occured in region: 10 km SE Randazzo (CT), on

  • 20-11-2000 16:49:42 (UTC)
  • 20-11-2000 17:49:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7930, 14.9910 at 10 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
Randazzo CT 10 10900 10900
Maletto CT 12 3920 14820
Moio Alcantara ME 13 717 15537
Milo CT 13 1087 16624
Bronte CT 14 19172 35796
Santa Domenica Vittoria ME 14 980 36776
Sant'Alfio CT 15 1582 38358
Linguaglossa CT 15 5403 43761
Zafferana Etnea CT 15 9517 53278
Malvagna ME 15 733 54011
Castiglione di Sicilia CT 15 3215 57226
Roccella Valdemone ME 16 666 57892
Piedimonte Etneo CT 17 3963 61855
Santa Venerina CT 18 8592 70447
Francavilla di Sicilia ME 18 3945 74392
Maniace CT 18 3765 78157
Giarre CT 18 27659 105816
Mascali CT 18 14282 120098
Ragalna CT 19 3924 124022
Fiumefreddo di Sicilia CT 19 9623 133645
Motta Camastra ME 20 845 134490
Biancavilla CT 20 24007 158497
Riposto CT 20 14838 173335
Nicolosi CT 20 7463 180798

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Acireale (52622 inhabitants)
33 Km N of Catania (314555 inhabitants)
67 Km SW of Messina (238439 inhabitants)
67 Km SW of Reggio di Calabria (183035 inhabitants)
86 Km N of Siracusa (122291 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
99 Km N of Ragusa (73313 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 		Md 2.3
ML-VAX 1.7 		2000-11-20
16:49:42		 37.793 14.991 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 406779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-11-20 16:49:42 ± 0.135
Latitude 37.7930 ± 0.0087
Longitude 14.9910 ± 0.0114
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 406779

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1391.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 406779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:23:00

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 406779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SOI.Z. 2000-11-20T16:50:12.91 10.0 undecidable manual SG 71 0.8769 0.57 0.2
--.PZI.Z. 2000-11-20T16:50:07.23 10.0 undecidable manual SG 182 0.7326 -0.41 0.2
--.MO9.Z. 2000-11-20T16:50:02.97 10.0 undecidable manual SG 68 0.5883 0 0.6
--.AU9.Z. 2000-11-20T16:50:02.82 10.0 undecidable manual SG 161 0.5661 0.59 0.3
--.ATN.Z. 2000-11-20T16:50:01.21 10.0 undecidable manual SG 45 0.5106 0.54 0.2
--.SOI.Z. 2000-11-20T16:49:59.10 10.0 positive manual PG 71 0.8769 -0.52 0.9
--.SA1.Z. 2000-11-20T16:49:56.70 10.0 undecidable manual PG 350 0.777 -0.89 0.2
--.PZI.Z. 2000-11-20T16:49:56.44 10.0 undecidable manual PG 182 0.7326 -0.38 0.7
--.MO9.Z. 2000-11-20T16:49:54.38 10.0 undecidable manual PG 68 0.5883 0.25 1.2
--.AU9.Z. 2000-11-20T16:49:53.75 10.0 negative manual PG 161 0.5661 0.05 2.8
--.MNO.Z. 2000-11-20T16:49:53.18 10.0 undecidable manual SG 300 0.2664 0.48 0.2
--.ATN.Z. 2000-11-20T16:49:52.72 10.0 negative manual PG 45 0.5106 -0.08 2.8
--.MNO.Z. 2000-11-20T16:49:48.25 10.0 positive manual PG 300 0.2664 0.05 2.7
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