Earthquake with magnitude of ML 2.1 on date 15-11-2020 and time 15:07:48 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 2.1 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 15-11-2020 14:07:48 (UTC)
  • 15-11-2020 15:07:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.3790, 15.2240 at 30 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
68 Km SE of Modica (54633 inhabitants)
75 Km SE of Ragusa (73313 inhabitants)
76 Km S of Siracusa (122291 inhabitants)
88 Km SE of Vittoria (63339 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 2020-11-15
14:07:48
36.3788 15.2243 30 2021-02-26
14:56:13
Bollettino Sismico Italiano INGV 85973761
Reviewed
Rev100
ML 2.1 2020-11-15
14:07:48
36.3725 15.179 32 2020-11-15
14:34:40
Sala Sismica INGV-Roma 84749671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-15 14:07:48 ± 0.23
Latitude 36.3788 ± 0.0126
Longitude 15.2243 ± 0.0201
Depth (km) 30 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85973761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1839
Semi-minor axis of confidence ellipse (meter) 1242
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 1840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 324
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) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.36243
Epicentral distance of station farthest from the epicenter (degree) 1.08908
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 85973761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-02 19:51:51

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 84749671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-15 14:34:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAFF.HHE. 2020-11-15T14:08:23.81 0.6 undecidable manual S 321 120.8901 54 0.55 38
IV.HLNI.HHZ. 2020-11-15T14:08:20.78 0.6 undecidable manual S 344 111.999 54 -0.56 38
IV.HVZN.HHE. 2020-11-15T14:08:18.63 0.6 undecidable manual S 333 99.5226 102 0.3 42
IV.HCRL.HHZ. 2020-11-15T14:08:18.54 0.6 undecidable manual S 350 101.7204 102 -0.36 41
IV.HAGA.HHZ. 2020-11-15T14:08:18.49 0.6 undecidable manual S 357 100.7214 102 -0.14 43
IV.SSY.HHZ. 2020-11-15T14:08:15.79 0.6 undecidable manual S 351 87.4458 104 0.61 40
IV.HMDC.HHZ. 2020-11-15T14:08:11.82 0.3 undecidable manual S 329 75.369 107 -0.26 67
IV.HAVL.HHZ. 2020-11-15T14:08:09.57 0.6 undecidable manual S 352 65.0904 110 0.1 47
IV.RAFF.HHE. 2020-11-15T14:08:09.18 0.1 undecidable manual P 321 120.8901 54 0.51 77
IV.HLNI.HHZ. 2020-11-15T14:08:07.29 0.3 undecidable manual P 344 111.999 54 -0.28 62
IV.HAGA.HHZ. 2020-11-15T14:08:06.21 0.1 undecidable manual P 357 100.7214 102 0.21 86
IV.HVZN.HHE. 2020-11-15T14:08:05.55 0.3 undecidable manual P 333 99.5226 102 -0.27 64
IV.HCRL.HHZ. 2020-11-15T14:08:05.92 0.1 undecidable manual P 350 101.7204 102 -0.23 85
IV.SSY.HHZ. 2020-11-15T14:08:04.04 0.1 undecidable manual P 351 87.4458 104 0.03 91
IV.HPAC.HHE. 2020-11-15T14:08:03.55 0.3 undecidable manual S 336 40.2264 122 0.09 74
IV.HMDC.HHZ. 2020-11-15T14:08:02.00 0.1 undecidable manual P 329 75.369 107 -0.22 90
IV.HAVL.HHZ. 2020-11-15T14:08:00.74 0.1 undecidable manual P 352 65.0904 110 0.03 95
IV.HPAC.HHE. 2020-11-15T14:07:57.24 0.1 undecidable manual P 336 40.2264 122 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHN. ML:2.2 0.00025021835 0.1408 AML other m 2020-11-15T14:08:11.57
IV.HAVL.HHE. ML:2.1 0.00019259705 0.224 AML other m 2020-11-15T14:08:11.84
IV.HMDC.HNE. ML:2.1 0.000174371 0.3008 AML other m 2020-11-15T14:08:12.13
IV.HMDC.HHE. ML:2.0 0.0001443825 1.7184 AML other m 2020-11-15T14:08:12.13
IV.HMDC.HHN. ML:2.0 0.000135764895 0.1792 AML other m 2020-11-15T14:08:12.38
IV.HAGA.HHN. ML:1.8 0.000054395559999999995 0.1408 AML other m 2020-11-15T14:08:19.26
IV.HCRL.HHE. ML:2.6 0.00032165074999999997 0.1216 AML other m 2020-11-15T14:08:19.46
IV.SSY.HHE. ML:2.4 0.00025016305 0.1792 AML other m 2020-11-15T14:08:19.50
IV.HCRL.HHN. ML:2.3 0.00019160825000000002 0.1792 AML other m 2020-11-15T14:08:19.70
IV.HMDC.HNN. ML:2.1 0.00018155955000000003 0.7232 AML other m 2020-11-15T14:08:19.00
IV.HAGA.HHE. ML:1.8 0.00006109296999999999 0.1984 AML other m 2020-11-15T14:08:19.71
IV.HLNI.HHE. ML:2.0 0.00008208674 0.2624 AML other m 2020-11-15T14:08:21.51
IV.SSY.HHN. ML:2.6 0.00050450975 0.1408 AML other m 2020-11-15T14:08:21.46
IV.HLNI.HHN. ML:1.9 0.000058001979999999997 0.096 AML other m 2020-11-15T14:08:22.53
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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