Earthquake with magnitude of ML 2.1 on date 17-10-2020 and time 15:09:07 (UTC) in region 5 km N Troina (EN)

A magnitude ML 2.1 earthquake occured in region: 5 km N Troina (EN), on

  • 17-10-2020 15:09:07 (UTC)
  • 17-10-2020 17:09:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8270, 14.5910 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.

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 5 9373 9373
Cerami EN 8 2006 11379
San Teodoro ME 10 1403 12782
Capizzi ME 10 3176 15958
CesarĂ² ME 11 2439 18397
Gagliano Castelferrato EN 14 3593 21990
Nicosia EN 19 13899 35889
Maniace CT 20 3765 39654
Agira EN 20 8345 47999
Regalbuto EN 20 7277 55276

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km W of Acireale (52622 inhabitants)
57 Km NW of Catania (314555 inhabitants)
60 Km NE of Caltanissetta (63360 inhabitants)
90 Km NE of Gela (75827 inhabitants)
94 Km W of Messina (238439 inhabitants)
98 Km W of Reggio di Calabria (183035 inhabitants)
98 Km N of Vittoria (63339 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 2.1 2020-10-17
15:09:07
37.8273 14.5907 37 2021-02-26
14:56:03
Bollettino Sismico Italiano INGV 84585001
Reviewed
Rev100
ML 2.1 2020-10-17
15:09:07
37.824 14.577 32 2020-10-17
15:19:24
Sala Sismica INGV-Roma 83852071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-17 15:09:07 ± 0.16
Latitude 37.8273 ± 0.0144
Longitude 14.5907 ± 0.0148
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 84585001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1551
Semi-minor axis of confidence ellipse (meter) 1250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 1550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.96407
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 84585001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-09 17:38:06

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 83852071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-17 15:19:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHZ. 2020-10-17T15:11:04.06 3.0 undecidable manual Sg 8.43 0
OT.OT05.EHZ. 2020-10-17T15:11:03.05 3.0 undecidable manual Sg 7.06 0
IV.FOSV.EHZ. 2020-10-17T15:10:43.71 3.0 undecidable manual Pg 10.83 0
IV.AGLI.HHZ. 2020-10-17T15:10:39.13 3.0 undecidable manual Pg 10.51 0
IV.PZUN.HHZ. 2020-10-17T15:10:34.32 3.0 undecidable manual Sg 1.31 0
IV.MURB.HHZ. 2020-10-17T15:10:29.10 3.0 undecidable manual Pn -4.01 0
IV.GAVE.HNZ. 2020-10-17T15:10:28.88 3.0 undecidable manual Pn 4.33 0
OT.OT13.EHZ. 2020-10-17T15:10:24.46 3.0 positive manual Pg 11.02 0
IV.PIPA.HHZ. 2020-10-17T15:09:51.96 3.0 positive manual Pg 3.87 0
IV.SCIAC.HHZ. 2020-10-17T15:09:48.10 3.0 undecidable manual Sg -1.12 0
XK.GIZZ.HHZ. 2020-10-17T15:09:41.10 3.0 negative manual Pg 2.49 0
IV.HMDC.HHZ. 2020-10-17T15:09:36.49 0.6 undecidable manual P 97.8243 1.285 0
IV.HLNI.HHZ. 2020-10-17T15:09:27.18 0.6 undecidable manual S 155 58.5969 118 0.03 56
IV.PLLN.EHZ. 2020-10-17T15:09:24.92 0.3 undecidable manual S 295 43.2234 127 1.22 56
IV.HAVL.HHZ. 2020-10-17T15:09:24.93 0.3 undecidable manual P 154 107.0151 54 0.14 74
IV.PETRA.HHZ. 2020-10-17T15:09:23.91 0.3 undecidable manual S 271 41.7249 128 0.54 76
IV.SSY.HHZ. 2020-10-17T15:09:22.06 0.3 undecidable manual P 150 85.5477 54 -0.06 80
IV.IACL.HHZ. 2020-10-17T15:09:21.19 0.3 undecidable manual P 345 80.9523 54 -0.35 76
IV.MUCR.HHZ. 2020-10-17T15:09:21.58 0.3 undecidable manual S 46 34.4433 134 -0.34 81
IV.HCRL.HHZ. 2020-10-17T15:09:20.01 0.3 undecidable manual P 147 71.7726 54 -0.39 76
IV.RAFF.HHZ. 2020-10-17T15:09:20.18 0.3 undecidable manual P 197 70.0743 54 0 82
IV.EPZF.HHZ. 2020-10-17T15:09:20.62 0.3 undecidable manual S 91 23.3544 146 0.63 80
IV.AIO.HHZ. 2020-10-17T15:09:19.46 0.3 undecidable manual P 74 58.497 119 0.75 69
IV.MSFR.HHZ. 2020-10-17T15:09:19.23 0.6 undecidable manual S 0 22.9548 146 -0.7 49
IV.HLNI.HHZ. 2020-10-17T15:09:18.58 0.3 undecidable manual P 155 58.5969 118 -0.15 82
IV.GALF.HHZ. 2020-10-17T15:09:17.76 0.6 undecidable manual S 189 13.0758 159 -0.96 45
IV.ESLN.HHZ. 2020-10-17T15:09:17.23 0.3 undecidable manual P 114 36.741 132 1.26 58
IV.PETRA.HHZ. 2020-10-17T15:09:16.40 0.3 undecidable manual P 271 41.7249 128 -0.15 85
IV.PLLN.EHZ. 2020-10-17T15:09:16.68 0.3 undecidable manual P 295 43.2234 127 -0.06 86
IV.MUCR.HHZ. 2020-10-17T15:09:15.40 0.3 undecidable manual P 46 34.4433 134 -0.31 82
IV.MSFR.HHZ. 2020-10-17T15:09:14.20 0.3 undecidable manual P 0 22.9548 146 -0.36 83
IV.EPZF.HHZ. 2020-10-17T15:09:14.98 0.3 undecidable manual P 91 23.3544 146 0.38 84
IV.GALF.HHZ. 2020-10-17T15:09:13.14 0.1 negative manual P 189 13.0758 159 -0.72 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:2.5 0.001265 0.56 AML other m 2020-10-17T15:09:18.87
IV.GALF.HHN. ML:2.2 0.000619 0.52 AML other m 2020-10-17T15:09:19.27
IV.EPZF.HHE. ML:1.8 0.0002255 1 AML other m 2020-10-17T15:09:22.27
IV.MUCR.HHE. ML:1.9 0.000209 0.38 AML other m 2020-10-17T15:09:22.92
IV.MUCR.HHN. ML:2.0 0.0002405 0.56 AML other m 2020-10-17T15:09:25.86
IV.EPZF.HHN. ML:2.1 0.0003835 1.06 AML other m 2020-10-17T15:09:26.99
IV.HLNI.HHE. ML:2.0 0.000185 0.46 AML other m 2020-10-17T15:09:28.69
IV.HLNI.HHN. ML:1.9 0.0001395 0.98 AML other m 2020-10-17T15:09:28.94
IV.AIO.HHN. ML:2.0 0.0001625 0.4 AML other m 2020-10-17T15:09:29.83
IV.AIO.HHE. ML:1.8 0.00010485 0.9 AML other m 2020-10-17T15:09:30.14
IV.HCRL.HHE. ML:2.2 0.00023150000000000002 1.8 AML other m 2020-10-17T15:09:31.94
IV.RAFF.HHE. ML:2.0 0.00015899999999999996 0.42 AML other m 2020-10-17T15:09:31.71
IV.HCRL.HHN. ML:2.1 0.00017749999999999998 1.04 AML other m 2020-10-17T15:09:32.27
IV.RAFF.HHN. ML:2.0 0.00015415 0.86 AML other m 2020-10-17T15:09:34.64
IV.HMDC.HHN. ML:2.3 0.00020600000000000002 0.42 AML other m 2020-10-17T15:09:37.78
IV.HMDC.HHE. ML:2.3 0.00017999999999999998 1.84 AML other m 2020-10-17T15:09:39.96
IV.HAVL.HHE. ML:2.4 0.000189 1.1 AML other m 2020-10-17T15:09:40.20
IV.HAVL.HHN. ML:2.4 0.00023199999999999997 1.18 AML other m 2020-10-17T15:09:44.94
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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