Earthquake with magnitude of ML 1.3 on date 06-11-2021 and time 02:34:32 (Italy) in region 3 km NE Troina (EN)

A magnitude ML 1.3 earthquake occured in region: 3 km NE Troina (EN), on

  • 06-11-2021 01:34:32 (UTC)
  • 06-11-2021 02:34:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8140, 14.6140 at 17 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 3 9373 9373
San Teodoro ME 8 1403 10776
CesarĂ² ME 9 2439 13215
Cerami EN 9 2006 15221
Capizzi ME 13 3176 18397
Gagliano Castelferrato EN 13 3593 21990
Maniace CT 18 3765 25755
Regalbuto EN 18 7277 33032
Agira EN 19 8345 41377
Bronte CT 20 19172 60549

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km W of Acireale (52622 inhabitants)
54 Km NW of Catania (314555 inhabitants)
60 Km NE of Caltanissetta (63360 inhabitants)
89 Km NE of Gela (75827 inhabitants)
93 Km W of Messina (238439 inhabitants)
96 Km W of Reggio di Calabria (183035 inhabitants)
96 Km N of Vittoria (63339 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
ML 1.3 2021-11-06
01:34:32
37.8142 14.6145 17 2022-03-30
13:04:16
Bollettino Sismico Italiano INGV 97489951
Reviewed
Rev100
ML 1.8 2021-11-06
01:34:31
37.7953 14.6373 23 2021-11-06
01:41:54
Sala Sismica INGV-Roma 97284561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-06 01:34:32 ± 0.27
Latitude 37.8142 ± 0.0081
Longitude 14.6145 ± 0.0171
Depth (km) 17 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97489951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1510
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 1510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.11062
Epicentral distance of station farthest from the epicenter (degree) 0.66999
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:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 97489951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-13 10:43:16

ML:1.8

Field Value
Value 1.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 97284561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-06 01:41:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHN. 2021-11-06T01:34:46.17 0.6 undecidable manual P 60 74.37 95 0.96 34
IV.MCPD.HHE. 2021-11-06T01:34:44.29 0.6 undecidable manual S 17 35.4423 104 -0.1 49
IV.MUCR.HHZ. 2021-11-06T01:34:43.77 0.6 undecidable manual S 42 34.0437 105 -0.27 47
IV.HLNI.HHE. 2021-11-06T01:34:43.09 0.6 undecidable manual P 156 56.3991 97 0.63 42
IV.MSFR.HHZ. 2021-11-06T01:34:42.12 0.6 undecidable manual S 355 24.4533 113 0.51 45
IV.CSLB.HHE. 2021-11-06T01:34:41.92 0.6 undecidable manual P 286 50.616 99 0.34 45
IV.EPZF.HHZ. 2021-11-06T01:34:41.45 0.6 undecidable manual S 87 21.2676 117 0.61 44
IV.ESCV.HHZ. 2021-11-06T01:34:40.36 0.6 undecidable manual S 113 19.0698 121 0.03 51
IV.ECTS.HHZ. 2021-11-06T01:34:40.77 0.6 undecidable manual P 80 45.0216 100 0.05 48
IV.MCPD.HHE. 2021-11-06T01:34:39.05 0.3 undecidable manual P 17 35.4423 104 -0.23 71
IV.GALF.HHZ. 2021-11-06T01:34:38.99 0.6 undecidable manual S 200 12.2766 137 0.09 51
IV.MUCR.HHZ. 2021-11-06T01:34:38.56 0.6 undecidable manual P 42 34.0437 105 -0.51 44
IV.MSFR.HHZ. 2021-11-06T01:34:37.45 0.6 undecidable manual P 355 24.4533 113 -0.22 48
IV.EPZF.HHZ. 2021-11-06T01:34:37.08 0.6 undecidable manual P 87 21.2676 117 -0.15 49
IV.ESCV.HHZ. 2021-11-06T01:34:36.07 0.3 undecidable manual P 113 19.0698 121 -0.87 58
IV.GALF.HHZ. 2021-11-06T01:34:36.02 0.1 positive manual P 200 12.2766 137 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNN. ML:1.2 0.00013715314 0.8 AML other m 2021-11-06T01:34:41.13
IV.GALF.HHE. ML:1.7 0.00043116515 0.28 AML other m 2021-11-06T01:34:41.73
IV.EPZF.HHE. ML:1.6 0.0002372416 0.52 AML other m 2021-11-06T01:34:41.83
IV.GALF.HNE. ML:1.2 0.0001259059 0.86 AML other m 2021-11-06T01:34:42.04
IV.MSFR.HHE. ML:0.9 0.000047312585000000004 0.52 AML other m 2021-11-06T01:34:43.20
IV.GALF.HHN. ML:1.7 0.00039285674999999995 0.64 AML other m 2021-11-06T01:34:43.24
IV.MUCR.HHE. ML:1.1 0.000051278585 0.34 AML other m 2021-11-06T01:34:48.32
IV.MUCR.HHN. ML:1.1 0.00005155484 0.56 AML other m 2021-11-06T01:34:50.23
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