Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 02-01-2021 and time 08:44:40 (Italy) in region 5 km NE Ragalna (CT)

A magnitude ML 2.5 earthquake occured in region: 5 km NE Ragalna (CT), on

  • 02-01-2021 07:44:40 (UTC)
  • 02-01-2021 08:44:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6690, 14.9620 at 15 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ragalna CT 5 3924 3924
Nicolosi CT 8 7463 11387
Biancavilla CT 9 24007 35394
Belpasso CT 9 28108 63502
Santa Maria di Licodia CT 9 7641 71143
Pedara CT 10 14102 85245
Paternò CT 11 48228 133473
Adrano CT 11 36122 169595
Trecastagni CT 12 10910 180505
Camporotondo Etneo CT 12 5023 185528
San Pietro Clarenza CT 12 7743 193271
Zafferana Etnea CT 13 9517 202788
Mascalucia CT 13 31958 234746
Viagrande CT 14 8563 243309
Tremestieri Etneo CT 14 20589 263898
Gravina di Catania CT 15 25838 289736
Milo CT 15 1087 290823
Aci Bonaccorsi CT 15 3524 294347
San Giovanni la Punta CT 15 23060 317407
Santa Venerina CT 16 8592 325999
Aci Sant'Antonio CT 16 17984 343983
Sant'Agata li Battiati CT 16 9479 353462
Misterbianco CT 17 49410 402872
Motta Sant'Anastasia CT 17 12116 414988
San Gregorio di Catania CT 17 11966 426954
Valverde CT 17 7840 434794
Aci Catena CT 18 29851 464645
Bronte CT 18 19172 483817
Sant'Alfio CT 18 1582 485399
Acireale CT 19 52622 538021
Maletto CT 20 3920 541941

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Acireale (52622 inhabitants)
21 Km NW of Catania (314555 inhabitants)
74 Km NW of Siracusa (122291 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
78 Km SW of Messina (238439 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
85 Km N of Ragusa (73313 inhabitants)
88 Km NE of Vittoria (63339 inhabitants)
92 Km N of Modica (54633 inhabitants)
92 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
07:44:40		 37.6688 14.9622 15 2021-07-12
16:54:55		 Bollettino Sismico Italiano INGV 86170091
Reviewed
Rev200 		ML 2.2 2021-01-02
07:44:40		 37.658 14.955 13 2021-02-04
17:52:52		 Sala Operativa INGV_OE (Catania) 85962211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-02 07:44:40 ± 0.08
Latitude 37.6688 ± 0.0036
Longitude 14.9622 ± 0.0091
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86170091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 760
Semi-minor axis of confidence ellipse (meter) 46
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 1.18531
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 86170091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-04 17:52:41

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 85962211
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-02 07:55:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-01-02T07:45:05.40 0.6 undecidable manual S 170 79.9644 93 0.71 37
IV.JOPP.HNN. 2021-01-02T07:45:02.86 1.0 undecidable manual P 37 131.5683 92 0.28 19
MN.CEL.HNZ. 2021-01-02T07:44:59.05 0.6 undecidable manual P 51 104.6175 92 0.63 37
IV.SSY.HHZ. 2021-01-02T07:44:59.54 0.6 undecidable manual S 170 57.5979 95 0.81 37
IV.HPAC.HHE. 2021-01-02T07:44:58.44 0.6 undecidable manual P 176 106.7154 92 -0.31 40
IV.MSFR.HHZ. 2021-01-02T07:44:57.02 0.3 undecidable manual S 321 51.9036 96 -0.21 67
IV.CSLB.HHZ. 2021-01-02T07:44:56.80 0.6 undecidable manual P 291 84.6486 93 1.45 26
IV.HAGA.HHZ. 2021-01-02T07:44:56.08 0.3 undecidable manual S 158 45.8208 97 0.46 65
IV.HCRL.HHZ. 2021-01-02T07:44:55.28 0.6 undecidable manual S 172 43.2234 97 0.35 44
IV.MSRU.HHZ. 2021-01-02T07:44:55.20 0.3 undecidable manual P 36 81.4518 93 0.34 63
IV.HAVL.HHZ. 2021-01-02T07:44:54.30 0.3 undecidable manual P 170 79.9644 93 -0.32 63
IV.IVPL.HNE. 2021-01-02T07:44:54.46 0.6 undecidable manual P 1 78.4659 93 0.06 45
IV.HMDC.HHZ. 2021-01-02T07:44:54.54 0.6 undecidable manual P 191 80.364 93 -0.14 44
IV.MILZ.HHZ. 2021-01-02T07:44:53.31 0.6 undecidable manual P 19 70.8735 94 0.09 45
IV.HLNI.HHZ. 2021-01-02T07:44:53.38 0.6 undecidable manual S 193 36.4413 99 0.25 46
IV.RAFF.HHZ. 2021-01-02T07:44:53.23 0.6 undecidable manual P 227 72.372 94 -0.23 43
IV.HVZN.HNZ. 2021-01-02T07:44:51.07 0.6 undecidable manual P 202 58.5969 95 -0.27 44
IV.MPNC.HHN. 2021-01-02T07:44:51.71 0.6 undecidable manual P 33 63.0924 94 -0.32 43
IV.MSFR.HHZ. 2021-01-02T07:44:50.75 0.1 undecidable manual P 321 51.9036 96 0.44 87
IV.SSY.HHZ. 2021-01-02T07:44:50.94 0.1 undecidable manual P 170 57.5979 95 -0.24 89
IV.HAGA.HHZ. 2021-01-02T07:44:49.03 0.1 undecidable manual P 158 45.8208 97 -0.36 89
IV.CAGR.HHZ. 2021-01-02T07:44:49.80 0.6 undecidable manual P 263 40.9257 98 1.16 33
IV.AIO.HHZ. 2021-01-02T07:44:48.80 0.1 undecidable manual P 35 41.1255 98 0.14 94
IV.EVRN.HHZ. 2021-01-02T07:44:48.05 0.6 undecidable manual S 82 15.3735 123 0.23 48
IV.EMSG.HHZ. 2021-01-02T07:44:48.47 0.3 undecidable manual S 356 16.872 119 0.31 71
IV.MUCR.HHE. 2021-01-02T07:44:48.81 0.3 undecidable manual P 349 42.2244 98 -0.02 71
IV.EPZF.HHZ. 2021-01-02T07:44:48.58 0.3 undecidable manual S 332 19.5693 114 -0.21 72
IV.HCRL.HHZ. 2021-01-02T07:44:48.70 0.1 undecidable manual P 172 43.2234 97 -0.29 91
IV.GALF.HHZ. 2021-01-02T07:44:47.99 0.6 undecidable manual P 278 35.0427 100 0.25 46
IV.EMCN.HHZ. 2021-01-02T07:44:47.74 0.6 undecidable manual S 25 14.9739 124 0.02 50
IV.HLNI.HHZ. 2021-01-02T07:44:47.34 0.1 undecidable manual P 193 36.4413 99 -0.61 84
IV.ECTS.HHZ. 2021-01-02T07:44:46.54 0.1 undecidable manual P 30 27.4503 104 -0.05 97
IV.ESML.HHZ. 2021-01-02T07:44:46.75 0.6 undecidable manual S 232 9.1797 141 0.17 48
IV.ENIC.HHZ. 2021-01-02T07:44:46.81 0.6 undecidable manual S 128 6.6933 151 0.6 43
IV.ESLN.HHZ. 2021-01-02T07:44:46.02 0.6 undecidable manual S 22 2.8971 167 0.18 49
IV.ECHR.HHE. 2021-01-02T07:44:46.08 0.6 undecidable manual S 294 4.6953 159 0.09 50
IV.EPZF.HHZ. 2021-01-02T07:44:45.46 0.1 undecidable manual P 332 19.5693 114 0.02 100
IV.EPOZ.HHZ. 2021-01-02T07:44:45.76 0.3 undecidable manual P 89 19.869 114 0.27 71
IV.EPIT.HHN. 2021-01-02T07:44:45.42 0.3 undecidable manual P 28 17.871 117 0.21 72
IV.EMSG.HHZ. 2021-01-02T07:44:45.12 0.3 undecidable manual P 356 16.872 119 0.04 75
IV.ENIC.HHZ. 2021-01-02T07:44:44.07 0.1 undecidable manual P 128 6.6933 151 0.12 99
IV.EMCN.HHZ. 2021-01-02T07:44:44.14 0.3 undecidable manual P 25 14.9739 124 -0.68 63
IV.EVRN.HHZ. 2021-01-02T07:44:44.66 0.1 undecidable manual P 82 15.3735 123 -0.22 97
IV.ECBD.HHN. 2021-01-02T07:44:44.35 0.3 undecidable manual P 41 16.4724 120 -0.67 63
IV.ESLN.HHZ. 2021-01-02T07:44:43.56 0.1 undecidable manual P 22 2.8971 167 -0.18 100
IV.ECHR.HHE. 2021-01-02T07:44:43.57 0.3 undecidable manual P 294 4.6953 159 -0.25 74
IV.ESML.HHZ. 2021-01-02T07:44:43.56 0.1 undecidable manual P 232 9.1797 141 -0.61 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHE. ML:2.6 0.005265 0.34 AML other m 2021-01-02T07:44:46.35
IV.ESML.HHE. ML:2.6 0.00364 0.62 AML other m 2021-01-02T07:44:47.15
IV.ESLN.HHN. ML:2.6 0.005125 0.74 AML other m 2021-01-02T07:44:47.17
IV.EMCN.HNE. ML:2.6 0.003435 0.6 AML other m 2021-01-02T07:44:48.86
IV.ESML.HHN. ML:2.4 0.00273 0.2 AML other m 2021-01-02T07:44:48.71
IV.ENIC.HHE. ML:2.8 0.006445 0.4 AML other m 2021-01-02T07:44:48.78
IV.EMSG.HHN. ML:2.8 0.004234999999999999 0.54 AML other m 2021-01-02T07:44:49.56
IV.ENIC.HNN. ML:2.8 0.00762 0.68 AML other m 2021-01-02T07:44:50.01
IV.ENIC.HNE. ML:2.8 0.00701 1.82 AML other m 2021-01-02T07:44:50.93
IV.EMCN.HNN. ML:2.5 0.0023899999999999998 0.36 AML other m 2021-01-02T07:44:50.03
IV.ENIC.HHN. ML:2.7 0.00537 0.18 AML other m 2021-01-02T07:44:51.06
IV.EPZF.HHN. ML:2.6 0.00263 0.68 AML other m 2021-01-02T07:44:51.22
IV.ECTS.HHN. ML:2.3 0.0009289999999999999 1.18 AML other m 2021-01-02T07:44:51.27
IV.EVRN.HNN. ML:2.4 0.0021550000000000002 0.66 AML other m 2021-01-02T07:44:52.44
IV.EVRN.HHN. ML:2.4 0.002065 0.2 AML other m 2021-01-02T07:44:52.43
IV.ECTS.HHE. ML:2.0 0.000475 1.16 AML other m 2021-01-02T07:44:52.05
IV.EPZF.HHE. ML:2.6 0.002415 0.38 AML other m 2021-01-02T07:44:53.27
IV.HLNI.HHE. ML:2.3 0.000736 0.92 AML other m 2021-01-02T07:44:54.00
IV.HLNI.HHN. ML:2.1 0.0004835 1.1 AML other m 2021-01-02T07:44:54.25
IV.EVRN.HHE. ML:2.3 0.0016899999999999999 0.78 AML other m 2021-01-02T07:44:55.18
IV.HCRL.HHE. ML:2.4 0.000889 1 AML other m 2021-01-02T07:44:55.11
IV.HAGA.HHE. ML:2.5 0.0008634999999999999 0.46 AML other m 2021-01-02T07:44:56.53
IV.AIO.HHN. ML:2.0 0.0003125 0.94 AML other m 2021-01-02T07:44:56.12
IV.HCRL.HHN. ML:2.3 0.0005729999999999999 0.7 AML other m 2021-01-02T07:44:56.37
IV.AIO.HHE. ML:2.0 0.0003110000000000001 0.32 AML other m 2021-01-02T07:44:57.61
IV.EVRN.HNE. ML:2.3 0.001625 1.36 AML other m 2021-01-02T07:44:59.12
IV.SSY.HHE. ML:3.1 0.002955 0.3 AML other m 2021-01-02T07:44:59.69
IV.EMSG.HHE. ML:2.7 0.003315 1.64 AML other m 2021-01-02T07:44:59.95
IV.HAGA.HHN. ML:2.2 0.00041549999999999996 0.52 AML other m 2021-01-02T07:45:01.61
IV.MSFR.HHN. ML:1.9 0.00017999999999999998 0.52 AML other m 2021-01-02T07:45:02.01
IV.SSY.HHN. ML:3.2 0.0035949999999999997 0.58 AML other m 2021-01-02T07:45:02.12
IV.MSFR.HHE. ML:1.9 0.00017999999999999998 0.46 AML other m 2021-01-02T07:45:02.72
IV.HAVL.HHE. ML:2.8 0.0009855 1.42 AML other m 2021-01-02T07:45:06.19
IV.HAVL.HHN. ML:3.0 0.0012549999999999998 0.42 AML other m 2021-01-02T07:45:06.71
IV.HMDC.HNE. ML:2.6 0.0004965 0.24 AML other m 2021-01-02T07:45:07.70
IV.HMDC.HHE. ML:2.6 0.00054 0.96 AML other m 2021-01-02T07:45:08.69
IV.MILZ.HHE. ML:2.5 0.000482 0.38 AML other m 2021-01-02T07:45:08.44
IV.MILZ.HHN. ML:2.3 0.000356 0.44 AML other m 2021-01-02T07:45:08.42
IV.HMDC.HNN. ML:2.6 0.0005865 0.64 AML other m 2021-01-02T07:45:09.58
IV.HMDC.HHN. ML:2.6 0.0005765 0.64 AML other m 2021-01-02T07:45:09.26
IV.MTGR.HHN. ML:3.0 0.0003155 0.4 AML other m 2021-01-02T07:45:52.22
IV.MTGR.HHE. ML:3.0 0.0003325 1.54 AML other m 2021-01-02T07:45:52.08
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