Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 05-10-2020 and time 12:51:06 (UTC) in region 5 km NW Noto (SR)

A magnitude ML 2.1 earthquake occured in region: 5 km NW Noto (SR), on

  • 05-10-2020 12:51:06 (UTC)
  • 05-10-2020 14:51:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.9180, 15.0200 at 15 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Noto SR 5 23913 23913
Avola SR 10 31708 55621
Rosolini SR 12 21427 77048
Canicattini Bagni SR 14 7109 84157
Ispica RG 18 16061 100218
Palazzolo Acreide SR 19 8808 109026

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Modica (54633 inhabitants)
26 Km E of Ragusa (73313 inhabitants)
29 Km SW of Siracusa (122291 inhabitants)
43 Km E of Vittoria (63339 inhabitants)
65 Km S of Catania (314555 inhabitants)
70 Km E of Gela (75827 inhabitants)
78 Km S of Acireale (52622 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 2.1 2020-10-05
12:51:06		 36.9183 15.0197 15 2021-02-26
14:56:05		 Bollettino Sismico Italiano INGV 84647401
Reviewed
Rev100 		ML 2.1 2020-10-05
12:51:05		 36.926 15.0082 15 2020-10-05
12:57:41		 Sala Sismica INGV-Roma 83525091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-05 12:51:06 ± 0.15
Latitude 36.9183 ± 0.0054
Longitude 15.0197 ± 0.0079
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84647401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 474
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.87684
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 83525091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-05 12:57:41

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 84647401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-15 18:12:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CLTA.HHZ. 2020-10-05T12:51:23.33 0.3 undecidable manual P 286 97.3248 92 0.88 50
IV.HCRL.HHZ. 2020-10-05T12:51:19.41 0.3 undecidable manual S 2 40.4262 97 0.08 71
IV.AGST.EHN. 2020-10-05T12:51:19.36 0.3 undecidable manual S 26 41.7249 97 -0.31 67
IV.CROCE.HHE. 2020-10-05T12:51:19.94 0.3 undecidable manual S 258 44.1225 97 -0.35 66
IV.RAFF.HHZ. 2020-10-05T12:51:18.50 0.1 positive manual P 300 67.2771 94 0.69 77
IV.SSY.HHN. 2020-10-05T12:51:16.21 0.3 undecidable manual S 10 26.9508 104 0.43 67
IV.HPAC.HHN. 2020-10-05T12:51:15.02 0.3 undecidable manual S 176 23.3544 107 0.17 71
IV.HMDC.HNZ. 2020-10-05T12:51:14.15 0.3 undecidable manual S 282 21.4674 110 -0.22 70
IV.ISPIC.HNZ. 2020-10-05T12:51:13.69 0.6 undecidable manual S 214 18.4704 115 0.05 49
IV.HCRL.HHZ. 2020-10-05T12:51:13.52 0.1 positive manual P 2 40.4262 97 -0.18 92
IV.AGST.EHN. 2020-10-05T12:51:13.70 0.1 negative manual P 26 41.7249 97 -0.2 91
IV.CROCE.HHE. 2020-10-05T12:51:13.98 0.1 undecidable manual P 258 44.1225 97 -0.28 89
IV.HPAC.HHN. 2020-10-05T12:51:11.17 0.6 undecidable manual P 176 23.3544 107 0.06 49
IV.HAVL.HHZ. 2020-10-05T12:51:11.77 0.3 undecidable manual S 63 10.1787 137 -0.05 75
IV.SSY.HHN. 2020-10-05T12:51:11.62 0.1 undecidable manual P 10 26.9508 104 -0.03 97
IV.HMDC.HNZ. 2020-10-05T12:51:10.70 0.1 negative manual P 282 21.4674 110 -0.14 96
IV.ISPIC.HNZ. 2020-10-05T12:51:10.32 0.1 undecidable manual P 214 18.4704 115 -0.09 98
IV.HAVL.HHZ. 2020-10-05T12:51:09.37 0.1 positive manual P 63 10.1787 137 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ISPIC.HNE. ML:1.9 0.0005739798999999999 0.1216 AML other m 2020-10-05T12:51:13.80
IV.ISPIC.HNN. ML:2.2 0.00104201305 0.096 AML other m 2020-10-05T12:51:13.75
IV.HAVL.HHE. ML:2.2 0.001589756 0.1408 AML other m 2020-10-05T12:51:13.81
IV.HAVL.HHN. ML:2.3 0.0019242035 0.1216 AML other m 2020-10-05T12:51:14.04
IV.HMDC.HNN. ML:2.0 0.00068308645 0.1408 AML other m 2020-10-05T12:51:14.69
IV.HMDC.HHN. ML:2.1 0.00080411285 0.1216 AML other m 2020-10-05T12:51:14.75
IV.HMDC.HNE. ML:1.9 0.0005474691499999999 0.1472 AML other m 2020-10-05T12:51:14.95
IV.HMDC.HHE. ML:2.0 0.00060784505 0.064 AML other m 2020-10-05T12:51:15.22
IV.HPAC.HHE. ML:2.1 0.0008015235499999999 0.2176 AML other m 2020-10-05T12:51:15.57
IV.HPAC.HHN. ML:1.9 0.00046641920000000005 0.1408 AML other m 2020-10-05T12:51:16.15
IV.SSY.HHE. ML:2.8 0.003370028 0.096 AML other m 2020-10-05T12:51:16.60
IV.SSY.HHN. ML:2.9 0.0040941285000000004 0.1024 AML other m 2020-10-05T12:51:17.02
IV.AGST.EHE. ML:1.7 0.00016510545 0.3008 AML other m 2020-10-05T12:51:20.16
IV.CROCE.HHE. ML:2.2 0.0004162032 0.1408 AML other m 2020-10-05T12:51:20.41
IV.CROCE.HNE. ML:2.2 0.00053116695 0.1472 AML other m 2020-10-05T12:51:20.42
IV.CROCE.HNN. ML:2.2 0.00045464645000000006 0.1664 AML other m 2020-10-05T12:51:20.46
IV.CROCE.HHN. ML:2.1 0.00035301070000000003 0.16 AML other m 2020-10-05T12:51:20.46
IV.HCRL.HHE. ML:2.4 0.0008263347000000001 0.1344 AML other m 2020-10-05T12:51:20.59
IV.HCRL.HHN. ML:2.0 0.0003145556 0.1984 AML other m 2020-10-05T12:51:20.75
IV.AGST.EHN. ML:1.7 0.00016548815 0.0768 AML other m 2020-10-05T12:51:21.20
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