Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 02-01-2022 and time 20:07:00 (Italy) in region 6 km N Troina (EN)

A magnitude ML 1.9 earthquake occured in region: 6 km N Troina (EN), on

  • 02-01-2022 19:07:00 (UTC)
  • 02-01-2022 20:07:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8400, 14.5800 at 33 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 6 9373 9373
Cerami EN 7 2006 11379
Capizzi ME 9 3176 14555
San Teodoro ME 11 1403 15958
Cesarò ME 12 2439 18397
Gagliano Castelferrato EN 15 3593 21990
Nicosia EN 19 13899 35889
San Fratello ME 19 3707 39596

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km W of Acireale (52622 inhabitants)
58 Km NW of Catania (314555 inhabitants)
60 Km NE of Caltanissetta (63360 inhabitants)
91 Km NE of Gela (75827 inhabitants)
94 Km W of Messina (238439 inhabitants)
97 Km E of Bagheria (55387 inhabitants)
98 Km W of Reggio di Calabria (183035 inhabitants)
99 Km N 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 1.9 2022-01-02
19:07:00		 37.8405 14.5802 33 2022-07-08
12:33:24		 Bollettino Sismico Italiano INGV 99974781
Reviewed
Rev100 		ML 1.9 2022-01-02
19:07:00		 37.8417 14.5657 36 2022-01-02
19:13:33		 Sala Sismica INGV-Roma 99258571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-02 19:07:00 ± 0.27
Latitude 37.8405 ± 0.0099
Longitude 14.5802 ± 0.0125
Depth (km) 33 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99974781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1168
Semi-minor axis of confidence ellipse (meter) 472
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 0.78691
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 99974781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-15 13:17:17

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 99258571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-02 19:13:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2022-01-02T19:07:27.95 0.6 undecidable manual S 150 87.3459 106 0.44 44
IV.HLNI.HHZ. 2022-01-02T19:07:20.49 0.6 undecidable manual S 155 60.2952 114 -0.24 49
IV.SSY.HHZ. 2022-01-02T19:07:15.77 0.3 undecidable manual P 150 87.3459 106 -0.49 66
IV.PLLN.EHZ. 2022-01-02T19:07:15.99 0.6 undecidable manual S 294 41.8248 124 -0.41 49
IV.MCPD.HHZ. 2022-01-02T19:07:14.26 0.6 undecidable manual S 23 33.6441 131 -0.42 49
IV.MPNC.HHZ. 2022-01-02T19:07:14.61 0.3 undecidable manual P 63 75.5688 109 0.07 74
IV.EPZF.HHE. 2022-01-02T19:07:14.37 0.3 undecidable manual S 94 24.3534 141 1.44 48
IV.MUCR.HHE. 2022-01-02T19:07:14.34 0.6 undecidable manual S 49 34.1436 130 -0.43 49
IV.MSFR.HHZ. 2022-01-02T19:07:12.78 0.6 undecidable manual S 3 21.4674 144 0.32 52
IV.GALF.HHZ. 2022-01-02T19:07:11.00 0.6 undecidable manual S 185 14.4744 154 -0.5 51
IV.GIB.HHE. 2022-01-02T19:07:11.55 0.3 undecidable manual P 289 51.2154 118 0.45 71
IV.HLNI.HHZ. 2022-01-02T19:07:11.76 0.3 undecidable manual P 155 60.2952 114 -0.59 67
IV.PLLN.EHZ. 2022-01-02T19:07:10.47 0.3 undecidable manual P 294 41.8248 124 0.62 68
IV.CSLB.HHE. 2022-01-02T19:07:10.75 0.3 undecidable manual P 283 47.0196 121 0.23 75
IV.ECZM.HHN. 2022-01-02T19:07:09.29 0.3 undecidable manual P 113 30.8469 133 0.76 66
IV.ECNE.HHN. 2022-01-02T19:07:09.05 0.6 undecidable manual P 103 37.9287 127 -0.31 50
IV.EPZF.HHE. 2022-01-02T19:07:08.32 0.3 undecidable manual P 94 24.3534 141 0.48 75
IV.MUCR.HHE. 2022-01-02T19:07:08.58 0.1 undecidable manual P 49 34.1436 130 -0.33 100
IV.MCPD.HHZ. 2022-01-02T19:07:08.44 0.3 undecidable manual P 23 33.6441 131 -0.41 74
IV.MSFR.HHZ. 2022-01-02T19:07:07.22 0.3 undecidable manual P 3 21.4674 144 -0.35 77
IV.ESCV.HHN. 2022-01-02T19:07:07.91 0.3 undecidable manual P 117 23.0547 142 0.19 79
IV.GALF.HHZ. 2022-01-02T19:07:06.70 0.3 undecidable manual P 185 14.4744 154 -0.32 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:1.8 0.00024044585 0.2944 AML other m 2022-01-02T19:07:12.10
IV.GALF.HHE. ML:2.1 0.00054541555 1.3984 AML other m 2022-01-02T19:07:12.29
IV.MSFR.HHE. ML:1.4 0.00008575 0.28 AML other m 2022-01-02T19:07:13.14
IV.MSFR.HHN. ML:1.2 0.00005645 0.64 AML other m 2022-01-02T19:07:13.66
IV.MCPD.HHN. ML:1.5 0.00008625 1.26 AML other m 2022-01-02T19:07:16.29
IV.MCPD.HHE. ML:1.3 0.00005255 1.04 AML other m 2022-01-02T19:07:17.16
IV.PLLN.EHN. ML:2.3 0.000475 0.58 AML other m 2022-01-02T19:07:20.57
IV.PLLN.EHE. ML:2.2 0.0003775 1.36 AML other m 2022-01-02T19:07:21.82
IV.HLNI.HHE. ML:1.7 0.0000894 0.76 AML other m 2022-01-02T19:07:21.60
IV.HLNI.HHN. ML:1.6 0.000067 0.38 AML other m 2022-01-02T19:07:23.73
IV.SSY.HHE. ML:2.6 0.00042760185 0.1792 AML other m 2022-01-02T19:07:28.31
IV.SSY.HNN. ML:2.1 0.00012859305000000002 0.256 AML other m 2022-01-02T19:07:29.25
IV.SSY.HHN. ML:2.6 0.00046355635 1.8208 AML other m 2022-01-02T19:07:30.04
IV.SSY.HNE. ML:2.2 0.00015585124999999999 1.7952 AML other m 2022-01-02T19:07:30.05
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