Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 18-11-2020 and time 02:58:43 (Italy) in region 8 km N Troina (EN)

A magnitude ML 2.2 earthquake occured in region: 8 km N Troina (EN), on

  • 18-11-2020 01:58:43 (UTC)
  • 18-11-2020 02:58:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8550, 14.6040 at 37 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
Troina EN 8 9373 9373
San Teodoro ME 9 1403 10776
Cesarò ME 10 2439 13215
Cerami EN 10 2006 15221
Capizzi ME 11 3176 18397
Gagliano Castelferrato EN 17 3593 21990
San Fratello ME 18 3707 25697
Maniace CT 18 3765 29462

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km NW of Acireale (52622 inhabitants)
58 Km NW of Catania (314555 inhabitants)
62 Km NE of Caltanissetta (63360 inhabitants)
92 Km W of Messina (238439 inhabitants)
93 Km NE of Gela (75827 inhabitants)
96 Km W of Reggio di Calabria (183035 inhabitants)
99 Km E of Bagheria (55387 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 2.2 2020-11-18
01:58:43		 37.8552 14.6038 37 2021-02-26
14:56:09		 Bollettino Sismico Italiano INGV 85149701
Reviewed
Rev100 		ML 2.2 2020-11-18
01:58:43		 37.8202 14.5777 32 2020-11-18
02:07:36		 Sala Sismica INGV-Roma 84816161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-18 01:58:43 ± 0.09
Latitude 37.8552 ± 0.0072
Longitude 14.6038 ± 0.0080
Depth (km) 37 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85149701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 841
Semi-minor axis of confidence ellipse (meter) 591
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.14749
Epicentral distance of station farthest from the epicenter (degree) 0.79050
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 85149701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-02 09:21:43

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 84816161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-18 02:07:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-11-18T01:59:10.42 0.6 undecidable manual S 152 87.7455 54 0.59 38
IV.AGST.EHZ. 2020-11-18T01:59:09.36 0.3 undecidable manual S 140 86.1471 54 -0.12 67
IV.IFIL.HHZ. 2020-11-18T01:59:08.32 1.0 undecidable manual S 358 78.6657 54 0.44 21
IV.IACL.HHZ. 2020-11-18T01:59:08.24 0.6 undecidable manual S 344 78.2661 54 0.46 42
IV.HAGA.HHZ. 2020-11-18T01:59:07.88 0.6 undecidable manual S 142 79.6647 54 -0.21 44
IV.SCIAR.HHZ. 2020-11-18T01:59:07.65 1.0 undecidable manual S 277 75.369 54 0.48 21
IV.MPNC.HHZ. 2020-11-18T01:59:06.33 1.0 undecidable manual S 63 72.9714 54 -0.33 21
IV.CPTP.HHZ. 2020-11-18T01:59:05.10 3.0 undecidable manual S 218 62.9925 116 0.64 0
IV.RESU.HHZ. 2020-11-18T01:59:02.44 3.0 undecidable manual S 244 53.2023 121 0.27 0
IV.CSLB.HHZ. 2020-11-18T01:59:02.01 0.6 undecidable manual S 281 48.618 123 0.88 37
IV.GIB.HHE. 2020-11-18T01:59:02.50 0.6 undecidable manual S 287 52.7028 121 0.45 44
IV.NOV.HHZ. 2020-11-18T01:59:01.91 0.6 undecidable manual S 68 50.4162 122 0.39 45
MN.VAE.HHZ. 2020-11-18T01:59:00.35 1.0 undecidable manual S 207 48.1185 124 -0.67 21
IV.PLLN.EHZ. 2020-11-18T01:59:00.80 0.3 undecidable manual S 291 43.1235 127 0.88 57
IV.PETRA.HHN. 2020-11-18T01:59:00.06 1.0 undecidable manual S 267 42.9237 127 0.19 23
IV.ESML.HHE. 2020-11-18T01:58:59.00 0.6 undecidable manual S 137 35.742 133 0.6 43
IV.ENIC.HHZ. 2020-11-18T01:58:59.28 1.0 undecidable manual S 124 44.2224 126 -0.89 19
IV.SSY.HHZ. 2020-11-18T01:58:58.63 0.1 undecidable manual P 152 87.7455 54 -0.08 89
IV.IACL.HHZ. 2020-11-18T01:58:57.55 0.1 undecidable manual P 344 78.2661 54 0.01 92
IV.MUCR.HHZ. 2020-11-18T01:58:57.36 0.3 undecidable manual S 49 31.5462 137 -0.24 70
IV.SCIAR.HHZ. 2020-11-18T01:58:57.25 0.1 undecidable manual P 277 75.369 54 0.07 91
IV.HAGA.HHZ. 2020-11-18T01:58:57.06 0.1 undecidable manual P 142 79.6647 54 -0.65 79
IV.IFIL.HHZ. 2020-11-18T01:58:57.62 0.1 undecidable manual P 358 78.6657 54 0.03 92
IV.MPNC.HHZ. 2020-11-18T01:58:57.51 0.1 undecidable manual P 63 72.9714 54 0.63 80
IV.AGST.EHZ. 2020-11-18T01:58:57.80 0.1 undecidable manual P 140 86.1471 54 -0.71 76
IV.CAGR.HHE. 2020-11-18T01:58:56.51 3.0 undecidable manual S 199 27.4503 141 -0.37 0
IV.CPTP.HHZ. 2020-11-18T01:58:56.53 0.3 undecidable manual P 218 62.9925 116 0.92 53
IV.EPZF.HHZ. 2020-11-18T01:58:56.94 0.6 undecidable manual S 99 22.4553 146 0.85 40
IV.GALF.HHZ. 2020-11-18T01:58:55.25 0.6 undecidable manual S 192 16.3725 154 -0.04 51
IV.NOV.HHZ. 2020-11-18T01:58:54.01 0.1 undecidable manual P 68 50.4162 122 0.09 96
IV.MSFR.HHZ. 2020-11-18T01:58:54.84 0.3 undecidable manual S 357 19.869 150 -0.88 58
IV.ENIC.HHZ. 2020-11-18T01:58:53.50 0.3 undecidable manual P 124 44.2224 126 0.36 68
IV.RESU.HHZ. 2020-11-18T01:58:53.36 0.6 undecidable manual P 244 53.2023 121 -0.93 37
IV.CSLB.HHZ. 2020-11-18T01:58:53.25 0.1 undecidable manual P 281 48.618 123 -0.44 89
IV.GIB.HHE. 2020-11-18T01:58:53.87 0.1 undecidable manual P 287 52.7028 121 -0.35 90
MN.VAE.HHZ. 2020-11-18T01:58:53.98 0.3 undecidable manual P 207 48.1185 124 0.35 67
IV.EMSG.HHN. 2020-11-18T01:58:52.52 0.6 undecidable manual P 97 30.5472 137 0.96 38
IV.ESML.HHE. 2020-11-18T01:58:52.77 0.1 undecidable manual P 137 35.742 133 0.65 84
IV.PLLN.EHZ. 2020-11-18T01:58:52.75 0.1 undecidable manual P 291 43.1235 127 -0.24 93
IV.PETRA.HHN. 2020-11-18T01:58:52.74 0.1 undecidable manual P 267 42.9237 127 -0.23 94
IV.MUCR.HHZ. 2020-11-18T01:58:51.49 0.1 undecidable manual P 49 31.5462 137 -0.17 96
IV.CAGR.HHE. 2020-11-18T01:58:51.26 0.1 undecidable manual P 199 27.4503 141 0.02 100
IV.MSFR.HHZ. 2020-11-18T01:58:50.07 0.1 undecidable manual P 357 19.869 150 -0.5 91
IV.EPZF.HHZ. 2020-11-18T01:58:50.96 0.1 undecidable manual P 99 22.4553 146 0.18 99
IV.GALF.HHZ. 2020-11-18T01:58:49.27 0.1 undecidable manual P 192 16.3725 154 -1.05 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:2.7 0.001615 0.6 AML other m 2020-11-18T01:58:54.73
IV.GALF.HHN. ML:2.3 0.000716 0.4 AML other m 2020-11-18T01:58:56.15
IV.MSFR.HHE. ML:1.5 0.00010614999999999999 0.42 AML other m 2020-11-18T01:58:57.41
IV.MUCR.HHE. ML:2.0 0.000272 0.28 AML other m 2020-11-18T01:59:00.26
IV.PLLN.EHE. ML:2.6 0.0008810000000000001 0.58 AML other m 2020-11-18T01:59:03.46
IV.NOV.HHE. ML:2.1 0.00023649999999999998 1.68 AML other m 2020-11-18T01:59:05.93
IV.NOV.HHN. ML:2.2 0.0002875 1.22 AML other m 2020-11-18T01:59:05.33
IV.HAGA.HHN. ML:2.3 0.000245 0.64 AML other m 2020-11-18T01:59:08.76
IV.HAGA.HHE. ML:2.4 0.00033150000000000003 0.56 AML other m 2020-11-18T01:59:08.49
IV.AGST.EHE. ML:2.7 0.000507 0.44 AML other m 2020-11-18T01:59:10.01
IV.AGST.EHN. ML:2.4 0.000291 1.46 AML other m 2020-11-18T01:59:10.77
IV.SCIAR.HHN. ML:2.0 0.00011375 0.7 AML other m 2020-11-18T01:59:10.21
IV.SSY.HHE. ML:2.7 0.0005875 0.88 AML other m 2020-11-18T01:59:10.70
IV.SCIAR.HHE. ML:1.9 0.0001055 0.64 AML other m 2020-11-18T01:59:11.10
IV.MPNC.HHN. ML:2.0 0.000132 0.46 AML other m 2020-11-18T01:59:12.89
IV.MPNC.HHE. ML:2.1 0.000162 0.48 AML other m 2020-11-18T01:59:13.12
IV.SSY.HHN. ML:2.9 0.000883 0.56 AML other m 2020-11-18T01:59:14.66
IV.MSFR.HHN. ML:1.6 0.00014600279999999998 0.3008 AML other m 2020-11-18T01:58:56.59
IV.MUCR.HHN. ML:2.0 0.0002722749 0.6 AML other m 2020-11-18T01:59:01.24
IV.PLLN.EHN. ML:2.8 0.0013640314999999999 0.6 AML other m 2020-11-18T01:59:03.22
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