Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 17-01-2021 and time 16:13:09 (UTC) in region 2 km SE Reitano (ME)

A magnitude ML 2.4 earthquake occured in region: 2 km SE Reitano (ME), on

  • 17-01-2021 16:13:09 (UTC)
  • 17-01-2021 17:13:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9540, 14.3560 at 21 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
Reitano ME 2 806 806
Mistretta ME 3 4791 5597
Motta d'Affermo ME 6 739 6336
Pettineo ME 6 1350 7686
Santo Stefano di Camastra ME 7 4694 12380
Castel di Lucio ME 8 1294 13674
Tusa ME 11 2925 16599
Caronia ME 11 3364 19963
San Mauro Castelverde PA 15 1701 21664
Capizzi ME 16 3176 24840
Pollina PA 19 2974 27814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km NE of Caltanissetta (63360 inhabitants)
75 Km E of Bagheria (55387 inhabitants)
81 Km NW of Acireale (52622 inhabitants)
82 Km NW of Catania (314555 inhabitants)
89 Km E of Palermo (674435 inhabitants)
99 Km NE of Agrigento (59770 inhabitants)
99 Km N of Gela (75827 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 2.4 2021-01-17
16:13:09		 37.954 14.3555 21 2021-07-12
16:54:56		 Bollettino Sismico Italiano INGV 86375731
Reviewed
Rev100 		ML 2.4 2021-01-17
16:13:09		 37.9457 14.3335 26 2021-01-17
16:23:44		 Sala Sismica INGV-Roma 86333161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-17 16:13:09 ± 0.15
Latitude 37.9540 ± 0.0081
Longitude 14.3555 ± 0.0080
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86375731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 849
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.17177
Epicentral distance of station farthest from the epicenter (degree) 1.34269
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 86375731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-19 10:45:19

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 86333161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-17 16:23:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2021-01-17T16:13:42.33 0.3 undecidable manual S 144 108.6135 96 0.97 48
IV.SOI.EHZ. 2021-01-17T16:13:35.27 0.1 undecidable manual P 84 149.0397 54 1.21 54
IV.SCIAR.HHZ. 2021-01-17T16:13:28.01 0.3 undecidable manual S 269 53.0025 104 1.3 46
IV.MSRU.HHZ. 2021-01-17T16:13:27.64 0.1 undecidable manual P 71 106.3158 96 -0.02 87
IV.SSY.HHZ. 2021-01-17T16:13:26.89 0.1 undecidable manual P 144 108.6135 96 -1.12 60
IV.MPNC.HHZ. 2021-01-17T16:13:25.15 0.1 undecidable manual P 76 89.7435 97 0.03 91
IV.RESU.HHZ. 2021-01-17T16:13:25.01 0.3 undecidable manual S 218 43.0236 107 0.9 57
IV.MUCR.HHZ. 2021-01-17T16:13:24.88 0.3 undecidable manual S 78 46.4202 106 -0.11 73
IV.RAFF.HHZ. 2021-01-17T16:13:23.79 0.1 undecidable manual P 180 81.1521 98 -0.02 92
IV.HLNI.HHZ. 2021-01-17T16:13:23.01 0.3 undecidable manual P 146 81.0522 98 -0.78 56
IV.AIO.HHZ. 2021-01-17T16:13:22.88 0.3 undecidable manual P 88 76.7676 99 -0.26 66
IV.ECTS.HHZ. 2021-01-17T16:13:22.20 0.3 undecidable manual P 97 67.4769 100 0.47 65
IV.IFIL.HHN. 2021-01-17T16:13:22.20 0.3 undecidable manual P 16 70.374 100 0.04 71
IV.IVPL.HHZ. 2021-01-17T16:13:22.47 0.3 undecidable manual P 49 71.8725 99 0.08 70
IV.SOLUN.HHZ. 2021-01-17T16:13:22.28 0.3 undecidable manual P 282 73.4709 99 -0.37 65
IV.IACL.HHE. 2021-01-17T16:13:21.24 0.1 undecidable manual P 360 64.1913 101 0 95
IV.GALF.HHZ. 2021-01-17T16:13:21.44 0.3 undecidable manual S 146 32.745 114 -0.11 75
IV.SCIAR.HHZ. 2021-01-17T16:13:19.43 0.1 negative manual P 269 53.0025 104 -0.12 95
IV.PLLN.EHZ. 2021-01-17T16:13:19.26 0.3 undecidable manual S 283 19.0698 131 0.8 62
IV.PETRA.HHZ. 2021-01-17T16:13:19.29 0.6 undecidable manual S 238 24.9528 122 -0.43 47
IV.CSLB.HHZ. 2021-01-17T16:13:19.32 0.3 undecidable manual S 266 26.0517 121 -0.66 65
IV.EPZF.HHZ. 2021-01-17T16:13:18.94 0.6 undecidable manual P 108 46.2204 106 0.41 45
IV.ESCV.HHN. 2021-01-17T16:13:18.61 0.1 undecidable manual P 120 46.3203 106 0.05 98
IV.MUCR.HHZ. 2021-01-17T16:13:18.47 0.1 negative manual P 78 46.4202 106 -0.09 97
IV.CAGR.HHE. 2021-01-17T16:13:17.59 0.1 undecidable manual P 161 38.9277 110 0.12 98
IV.RESU.HHZ. 2021-01-17T16:13:17.86 0.3 undecidable manual P 218 43.0236 107 -0.2 72
IV.GALF.HHZ. 2021-01-17T16:13:16.50 0.1 undecidable manual P 146 32.745 114 -0.08 100
IV.CSLB.HHZ. 2021-01-17T16:13:15.21 0.1 undecidable manual P 266 26.0517 121 -0.46 93
IV.PETRA.HHZ. 2021-01-17T16:13:15.04 0.1 undecidable manual P 238 24.9528 122 -0.48 93
IV.PLLN.EHZ. 2021-01-17T16:13:14.98 0.1 undecidable manual P 283 19.0698 131 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:2.5 0.0014100000000000002 1.18 AML other m 2021-01-17T16:13:21.87
IV.PLLN.EHN. ML:2.2 0.000971 1.72 AML other m 2021-01-17T16:13:22.93
IV.PETRA.HHE. ML:2.4 0.0012850000000000001 0.5 AML other m 2021-01-17T16:13:22.15
IV.GALF.HNE. ML:2.1 0.000434 0.64 AML other m 2021-01-17T16:13:22.43
IV.GALF.HHE. ML:3.1 0.00447 0.68 AML other m 2021-01-17T16:13:22.45
IV.GALF.HNN. ML:2.2 0.000553 0.74 AML other m 2021-01-17T16:13:22.50
IV.GALF.HHN. ML:2.9 0.0032800000000000004 0.74 AML other m 2021-01-17T16:13:22.51
IV.PLLN.EHE. ML:2.2 0.0009845000000000001 0.32 AML other m 2021-01-17T16:13:23.60
IV.RESU.HHE. ML:2.2 0.0004275 0.88 AML other m 2021-01-17T16:13:26.35
IV.MUCR.HHE. ML:2.4 0.000721 1.56 AML other m 2021-01-17T16:13:27.11
IV.RESU.HHN. ML:2.4 0.000711 0.4 AML other m 2021-01-17T16:13:27.90
IV.MUCR.HHN. ML:2.4 0.000716 0.76 AML other m 2021-01-17T16:13:28.22
IV.SCIAR.HNE. ML:2.3 0.00040449999999999997 0.46 AML other m 2021-01-17T16:13:29.74
IV.SCIAR.HHE. ML:2.3 0.0004525 1.5 AML other m 2021-01-17T16:13:29.75
IV.SCIAR.HNN. ML:2.4 0.0005759999999999999 0.26 AML other m 2021-01-17T16:13:31.23
IV.SCIAR.HHN. ML:2.4 0.0005915 0.28 AML other m 2021-01-17T16:13:31.22
IV.AIO.HHN. ML:2.3 0.00029400000000000004 0.96 AML other m 2021-01-17T16:13:38.29
IV.HLNI.HHE. ML:2.1 0.0001585 1.58 AML other m 2021-01-17T16:13:39.09
IV.AIO.HHE. ML:2.4 0.000374 0.76 AML other m 2021-01-17T16:13:39.54
IV.HLNI.HHN. ML:2.1 0.0001605 1.7 AML other m 2021-01-17T16:13:40.94
IV.MPNC.HHE. ML:2.8 0.00075 1.56 AML other m 2021-01-17T16:13:44.87
IV.MSRU.HHN. ML:2.6 0.00033150000000000003 0.94 AML other m 2021-01-17T16:13:47.61
IV.MSRU.HHE. ML:2.5 0.000284 0.42 AML other m 2021-01-17T16:13:48.47
IV.MPNC.HHN. ML:2.6 0.0004385 0.56 AML other m 2021-01-17T16:13:48.58
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