Earthquake with magnitude of ML 2.5 on date 02-01-2021 and time 08:06:24 (Italy) in region 3 km NE Trecastagni (CT)

A magnitude ML 2.5 earthquake occured in region: 3 km NE Trecastagni (CT), on

  • 02-01-2021 07:06:24 (UTC)
  • 02-01-2021 08:06:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6440, 15.1010 at 9 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
Trecastagni CT 3 10910 10910
Viagrande CT 4 8563 19473
Pedara CT 5 14102 33575
Aci Sant'Antonio CT 5 17984 51559
Aci Bonaccorsi CT 5 3524 55083
Zafferana Etnea CT 6 9517 64600
Aci Catena CT 6 29851 94451
Santa Venerina CT 6 8592 103043
Acireale CT 7 52622 155665
Nicolosi CT 7 7463 163128
San Giovanni la Punta CT 7 23060 186188
Valverde CT 7 7840 194028
Tremestieri Etneo CT 8 20589 214617
San Gregorio di Catania CT 9 11966 226583
Mascalucia CT 9 31958 258541
Milo CT 9 1087 259628
Sant'Agata li Battiati CT 10 9479 269107
Gravina di Catania CT 10 25838 294945
San Pietro Clarenza CT 10 7743 302688
Aci Castello CT 10 18723 321411
Camporotondo Etneo CT 12 5023 326434
Sant'Alfio CT 12 1582 328016
Giarre CT 12 27659 355675
Belpasso CT 12 28108 383783
Riposto CT 14 14838 398621
Ragalna CT 14 3924 402545
Mascali CT 15 14282 416827
Catania CT 16 314555 731382
Misterbianco CT 16 49410 780792
Motta Sant'Anastasia CT 19 12116 792908
PaternĂ² CT 19 48228 841136
Santa Maria di Licodia CT 19 7641 848777
Fiumefreddo di Sicilia CT 19 9623 858400
Piedimonte Etneo CT 20 3963 862363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of Acireale (52622 inhabitants)
16 Km N of Catania (314555 inhabitants)
67 Km N of Siracusa (122291 inhabitants)
71 Km SW of Reggio di Calabria (183035 inhabitants)
73 Km SW of Messina (238439 inhabitants)
86 Km NE of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
92 Km NE of Modica (54633 inhabitants)
93 Km E of Caltanissetta (63360 inhabitants)
99 Km NE 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 2.5 2021-01-02
07:06:24
37.6437 15.1007 9 2021-07-12
16:54:55
Bollettino Sismico Italiano INGV 86166571
Reviewed
Rev200
ML 1.7 2021-01-02
07:06:24
37.674 15.075 3 2021-02-04
17:40:34
Sala Operativa INGV_OE (Catania) 85960671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-02 07:06:24 ± 0.08
Latitude 37.6437 ± 0.0054
Longitude 15.1007 ± 0.0068
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86166571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 580
Semi-minor axis of confidence ellipse (meter) 526
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 328
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.78151
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 85960671
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-02 07:24:16

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 86166571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-04 17:40:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2021-01-02T07:06:40.75 0.3 undecidable manual P 218 86.7465 50 0.92 50
IV.HMDC.HHZ. 2021-01-02T07:06:39.01 0.3 undecidable manual P 200 80.9523 50 0.07 65
IV.HCRL.HHZ. 2021-01-02T07:06:38.90 0.6 undecidable manual S 189 40.4262 50 0.4 44
IV.HAGA.HHZ. 2021-01-02T07:06:38.69 0.6 undecidable manual S 173 40.0266 50 0.28 45
IV.HLNI.HHZ. 2021-01-02T07:06:37.49 0.6 undecidable manual S 212 38.4282 50 -0.48 43
IV.HAVL.HHZ. 2021-01-02T07:06:37.77 0.3 undecidable manual P 179 75.8685 50 -0.39 62
IV.MPNC.HHN. 2021-01-02T07:06:36.28 0.3 undecidable manual P 22 59.9955 50 0.57 60
IV.MUCR.HHE. 2021-01-02T07:06:34.21 0.3 undecidable manual P 336 48.5181 50 0.27 67
IV.SSY.HHZ. 2021-01-02T07:06:34.49 0.3 undecidable manual P 183 54.0015 50 -0.29 66
IV.HCRL.HHZ. 2021-01-02T07:06:32.19 0.1 undecidable manual P 189 40.4262 50 -0.5 86
IV.ESML.HHZ. 2021-01-02T07:06:32.66 0.3 undecidable manual S 262 19.6692 114 0.43 68
IV.AIO.HHZ. 2021-01-02T07:06:32.51 0.1 undecidable manual P 18 38.1285 50 0.17 93
IV.ECHR.HHE. 2021-01-02T07:06:32.12 0.3 undecidable manual S 286 17.1717 117 0.67 63
IV.HLNI.HHZ. 2021-01-02T07:06:32.10 0.3 undecidable manual P 212 38.4282 50 -0.28 68
IV.HAGA.HHZ. 2021-01-02T07:06:32.24 0.3 undecidable manual P 173 40.0266 50 -0.4 66
IV.EMCN.HNZ. 2021-01-02T07:06:31.36 0.3 undecidable manual S 340 17.3715 117 -0.16 72
IV.EPZF.HHZ. 2021-01-02T07:06:30.82 0.6 undecidable manual P 313 29.2485 107 -0.06 48
IV.ECTS.HHZ. 2021-01-02T07:06:30.65 0.1 undecidable manual P 4 26.4513 108 0.3 92
IV.ECPN.HHZ. 2021-01-02T07:06:30.63 0.6 undecidable manual S 318 14.9739 121 -0.15 48
IV.ESML.HHZ. 2021-01-02T07:06:29.24 0.1 undecidable manual P 262 19.6692 114 0.17 96
IV.ESLN.HHZ. 2021-01-02T07:06:29.77 0.3 undecidable manual S 296 12.3765 126 -0.26 71
IV.EMSG.HHZ. 2021-01-02T07:06:29.81 0.1 undecidable manual P 326 23.6541 110 -0.01 98
IV.EFIU.HHE. 2021-01-02T07:06:29.31 0.3 undecidable manual P 31 18.87 115 0.39 69
IV.EPIT.HHN. 2021-01-02T07:06:29.22 0.3 undecidable manual P 348 18.9699 115 0.27 70
IV.ECBD.HHN. 2021-01-02T07:06:29.92 0.6 undecidable manual S 355 15.1737 120 -0.93 38
IV.EPOZ.HHZ. 2021-01-02T07:06:29.53 0.3 undecidable manual S 68 8.2806 137 0.56 67
IV.EVRN.HNZ. 2021-01-02T07:06:28.21 0.6 undecidable manual S 31 5.8941 146 -0.23 48
IV.ECHR.HHE. 2021-01-02T07:06:28.80 0.1 undecidable manual P 286 17.1717 117 0.18 96
IV.ENIC.HHZ. 2021-01-02T07:06:28.91 0.3 undecidable manual S 259 7.0929 141 0.23 72
IV.EMCN.HNZ. 2021-01-02T07:06:28.22 0.1 undecidable manual P 340 17.3715 117 -0.44 91
IV.EPOZ.HHZ. 2021-01-02T07:06:27.38 0.1 positive manual P 68 8.2806 137 0.19 97
IV.ECBD.HHN. 2021-01-02T07:06:27.98 0.3 undecidable manual P 355 15.1737 120 -0.29 70
IV.ECPN.HHZ. 2021-01-02T07:06:27.92 0.3 undecidable manual P 318 14.9739 121 -0.31 70
IV.ESLN.HHZ. 2021-01-02T07:06:27.43 0.1 undecidable manual P 296 12.3765 126 -0.37 93
IV.ENIC.HHZ. 2021-01-02T07:06:26.96 0.1 undecidable manual P 259 7.0929 141 -0.06 100
IV.EVRN.HNZ. 2021-01-02T07:06:26.48 0.1 positive manual P 31 5.8941 146 -0.4 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HHN. ML:2.9 0.01575 0.18 AML other m 2021-01-02T07:06:28.50
IV.EVRN.HNN. ML:2.9 0.013349999999999999 0.18 AML other m 2021-01-02T07:06:28.50
IV.EVRN.HHE. ML:2.7 0.009515000000000001 0.6 AML other m 2021-01-02T07:06:28.66
IV.EVRN.HNE. ML:2.7 0.009425000000000001 0.36 AML other m 2021-01-02T07:06:28.66
IV.EPOZ.HHE. ML:2.5 0.004575 1.1 AML other m 2021-01-02T07:06:30.91
IV.EPOZ.HHN. ML:2.6 0.005849999999999999 0.54 AML other m 2021-01-02T07:06:31.89
IV.ESML.HHE. ML:2.2 0.0011285000000000002 0.24 AML other m 2021-01-02T07:06:34.80
IV.ESML.HHN. ML:2.2 0.001105 1.4 AML other m 2021-01-02T07:06:35.24
IV.HCRL.HHE. ML:2.4 0.0008539999999999999 1.54 AML other m 2021-01-02T07:06:38.93
IV.HCRL.HHN. ML:2.0 0.00032700000000000003 0.36 AML other m 2021-01-02T07:06:39.37
IV.AIO.HHN. ML:1.6 0.0001565 0.74 AML other m 2021-01-02T07:06:43.05
IV.AIO.HHE. ML:1.6 0.000158 0.3 AML other m 2021-01-02T07:06:44.15
IV.SSY.HHN. ML:2.7 0.001315 0.18 AML other m 2021-01-02T07:06:46.11
IV.SSY.HHE. ML:2.5 0.0007455000000000001 0.52 AML other m 2021-01-02T07:06:48.51
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