Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 03-02-2023 and time 00:45:32 (UTC) in region 6 km N Gambettola (FC)

A magnitude ML 1.7 earthquake occured in region: 6 km N Gambettola (FC), on

  • 03-02-2023 00:45:32 (UTC)
  • 03-02-2023 01:45:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1690, 12.3240 at 18 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
Gambettola FC 6 10660 10660
Cesenatico FC 7 25796 36456
Cesena FC 7 96758 133214
Gatteo FC 8 9068 142282
Montiano FC 10 1716 143998
San Mauro Pascoli FC 10 11690 155688
Savignano sul Rubicone FC 10 17766 173454
Longiano FC 11 7126 180580
Cervia RA 11 28940 209520
Bellaria-Igea Marina RN 11 19519 229039
Roncofreddo FC 14 3386 232425
Bertinoro FC 15 11059 243484
Santarcangelo di Romagna RN 15 22089 265573
Borghi FC 15 2843 268416
Forlimpopoli FC 16 13290 281706
Sogliano al Rubicone FC 18 3195 284901

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km E of Cesena (96758 inhabitants)
23 Km NW of Rimini (147750 inhabitants)
23 Km E of Forlì (117913 inhabitants)
29 Km SE of Ravenna (159116 inhabitants)
37 Km E of Faenza (58541 inhabitants)
53 Km E of Imola (69797 inhabitants)
55 Km NW of Pesaro (94582 inhabitants)
66 Km NW of Fano (60888 inhabitants)
86 Km NE of Arezzo (99543 inhabitants)
86 Km E of Bologna (386663 inhabitants)
93 Km SE of Ferrara (133155 inhabitants)
96 Km E of Firenze (382808 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 1.7 2023-02-03
00:45:32		 44.1693 12.3238 18 2024-03-01
17:17:56		 Bollettino Sismico Italiano INGV 114625241
Reviewed
Rev100 		ML 1.8 2023-02-03
00:45:32		 44.1732 12.3222 22 2023-02-03
00:55:04		 Sala Sismica INGV-Roma 114002401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 00:45:32 ± 0.17
Latitude 44.1693 ± 0.0090
Longitude 12.3238 ± 0.0100
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114625241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 799
Semi-minor axis of confidence ellipse (meter) 704
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.45240
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 114625241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-23 06:23:45

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 114002401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 00:55:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2023-02-03T00:46:31.86 3.0 undecidable manual Sn -1.04 0
OX.MLN.HHZ. 2023-02-03T00:46:05.68 3.0 positive manual Pn -3 0
IV.NRCA.HHZ. 2023-02-03T00:45:59.16 0.3 undecidable manual P 157 161.2164 54 0.6 50
IV.PII.HHZ. 2023-02-03T00:45:58.75 3.0 undecidable manual P -0.32 0
IV.CSP1.EHZ. 2023-02-03T00:45:56.28 0.6 undecidable manual P 149 138.861 93 0.92 31
IV.CESI.HHZ. 2023-02-03T00:45:55.83 0.3 undecidable manual P 160 137.3625 93 0.71 52
IV.CRMI.HHZ. 2023-02-03T00:45:55.03 3.0 negative manual P 1.09 0
IV.FDMO.HHZ. 2023-02-03T00:45:55.95 0.3 undecidable manual P 154 139.8489 93 0.45 57
IV.MML1.EHZ. 2023-02-03T00:45:53.92 0.6 undecidable manual P 156 128.1717 93 0.21 41
IV.PARC.HHZ. 2023-02-03T00:45:51.31 0.6 undecidable manual S 187 58.1973 99 0.68 42
IV.ATCC.EHZ. 2023-02-03T00:45:51.77 0.6 undecidable manual P 167 112.0989 94 0.54 39
IV.PESA.HHZ. 2023-02-03T00:45:48.34 0.6 undecidable manual S 121 48.3183 101 0.29 46
IV.SFI.EHZ. 2023-02-03T00:45:48.82 0.6 undecidable manual S 233 48.0186 101 0.85 40
IV.ATVO.HHZ. 2023-02-03T00:45:47.53 0.3 undecidable manual P 176 87.5457 95 0.06 69
IV.ARVD.HHZ. 2023-02-03T00:45:47.76 0.3 undecidable manual P 146 89.3439 95 0.01 69
IV.FRON.EHZ. 2023-02-03T00:45:46.09 0.3 undecidable manual P 156 79.1652 96 -0.08 70
IV.ATPI.EHZ. 2023-02-03T00:45:46.40 0.3 undecidable manual P 175 79.9644 96 0.1 69
IV.BADI.EHZ. 2023-02-03T00:45:45.14 0.3 undecidable manual P 185 73.4709 97 -0.17 69
IV.RUFI.EHZ. 2023-02-03T00:45:45.04 0.6 undecidable manual P 241 74.6697 96 -0.45 43
IV.CRE.HHZ. 2023-02-03T00:45:44.10 0.3 undecidable manual P 206 67.9764 97 -0.36 66
IV.PIEI.HHZ. 2023-02-03T00:45:44.57 0.3 undecidable manual P 166 72.2721 97 -0.56 63
IV.MPAG.EHZ. 2023-02-03T00:45:44.16 0.3 undecidable manual P 150 69.2751 97 -0.51 65
IV.NARO.HHZ. 2023-02-03T00:45:44.50 0.6 undecidable manual P 162 65.2902 98 0.45 44
Y1.T1711.HNZ.01 2023-02-03T00:45:43.33 0.6 undecidable manual S 130 28.5492 112 0.37 47
IV.PE3.EHE. 2023-02-03T00:45:42.52 0.3 undecidable manual P 165 54.3012 100 0.14 72
IV.BRSN.EHZ. 2023-02-03T00:45:42.17 0.6 undecidable manual S 303 23.1546 118 0.5 47
IV.PARC.HHZ. 2023-02-03T00:45:42.59 0.3 undecidable manual P 187 58.1973 99 -0.38 68
Y1.T1756.EHZ. 2023-02-03T00:45:41.53 0.6 undecidable manual S 236 21.4674 121 0.26 50
IV.BRIS.HHZ. 2023-02-03T00:45:41.10 0.3 undecidable manual P 278 44.7219 102 0.16 74
IV.LMD.HHZ. 2023-02-03T00:45:41.27 0.1 undecidable manual P 258 50.1165 101 -0.48 89
IV.PESA.HHZ. 2023-02-03T00:45:41.00 0.3 undecidable manual P 121 48.3183 101 -0.48 68
IV.SFI.EHZ. 2023-02-03T00:45:40.95 0.1 undecidable manual P 233 48.0186 101 -0.48 89
IV.BLLA.EHZ. 2023-02-03T00:45:39.19 0.3 undecidable manual S 104 11.9769 140 -0.15 79
Y1.T1718.HNZ. 2023-02-03T00:45:39.85 0.3 undecidable manual S 349 10.2786 145 0.8 63
IV.RSM2.HHZ. 2023-02-03T00:45:38.77 0.3 undecidable manual P 159 27.4503 113 0.38 72
Y1.T1711.HNZ.01 2023-02-03T00:45:38.21 0.3 undecidable manual P 130 28.5492 112 -0.33 73
IV.BRSN.EHZ. 2023-02-03T00:45:38.09 0.3 undecidable manual P 303 23.1546 118 0.3 74
Y1.T1756.EHZ. 2023-02-03T00:45:37.25 0.1 undecidable manual P 236 21.4674 121 -0.31 97
Y1.T1718.HNZ. 2023-02-03T00:45:35.95 0.1 undecidable manual P 349 10.2786 145 -0.34 100
IV.BLLA.EHZ. 2023-02-03T00:45:35.78 0.1 undecidable manual P 104 11.9769 140 -0.67 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BLLA.EHE. ML:2.4 0.00175 0.24 AML other m 2023-02-03T00:45:39.58
IV.BLLA.EHN. ML:2.1 0.00091 1.42 AML other m 2023-02-03T00:45:40.82
IV.PESA.HHE. ML:2.2 0.0004235 0.18 AML other m 2023-02-03T00:45:49.24
IV.PESA.HHN. ML:2.3 0.0005185 0.64 AML other m 2023-02-03T00:45:49.37
IV.SFI.EHE. ML:1.8 0.00017649999999999998 0.12 AML other m 2023-02-03T00:45:49.50
IV.SFI.EHN. ML:1.8 0.00016999999999999999 1.42 AML other m 2023-02-03T00:45:49.82
IV.LMD.HHN. ML:1.8 0.000157 1.76 AML other m 2023-02-03T00:45:51.01
IV.PARC.HHE. ML:1.9 0.000153 0.18 AML other m 2023-02-03T00:45:51.93
IV.PARC.HHN. ML:1.5 0.0000644 0.2 AML other m 2023-02-03T00:45:52.25
IV.LMD.HHE. ML:1.9 0.00017999999999999998 0.3 AML other m 2023-02-03T00:45:52.96
IV.MPAG.EHE. ML:1.5 0.0000513 0.58 AML other m 2023-02-03T00:45:54.62
IV.BRIS.HHN. ML:1.3 0.00005555 0.3 AML other m 2023-02-03T00:45:55.81
IV.NARO.HHN. ML:1.5 0.00005875 0.54 AML other m 2023-02-03T00:45:56.91
IV.PIEI.HHN. ML:1.8 0.0000897 0.76 AML other m 2023-02-03T00:45:56.94
IV.NARO.HHE. ML:1.4 0.00004595 0.44 AML other m 2023-02-03T00:45:57.22
IV.BRIS.HHE. ML:1.3 0.00005605 1.14 AML other m 2023-02-03T00:46:00.78
IV.ATPI.EHN. ML:1.5 0.00004625 0.38 AML other m 2023-02-03T00:46:00.76
IV.FRON.EHN. ML:1.6 0.000054550000000000005 1.02 AML other m 2023-02-03T00:46:01.62
IV.PIEI.HHE. ML:1.8 0.00010685 1.1 AML other m 2023-02-03T00:46:01.29
IV.BADI.EHE. ML:1.7 0.00007205 1.26 AML other m 2023-02-03T00:46:02.11
IV.FRON.EHE. ML:1.8 0.00008455 1.56 AML other m 2023-02-03T00:46:02.88
IV.CRE.HHN. ML:1.8 0.00011999999999999999 0.34 AML other m 2023-02-03T00:46:03.68
IV.MPAG.HNN. ML:2.4 0.00042449999999999996 0.52 AML other m 2023-02-03T00:46:03.45
IV.ARVD.HHN. ML:1.5 0.0000344 1.44 AML other m 2023-02-03T00:46:04.24
IV.ARVD.HHE. ML:1.5 0.00003715 0.62 AML other m 2023-02-03T00:46:04.63
IV.MPAG.EHN. ML:1.5 0.000056 0.34 AML other m 2023-02-03T00:46:04.69
IV.ATPI.EHE. ML:1.5 0.000045600000000000004 1.14 AML other m 2023-02-03T00:46:04.73
IV.BADI.EHN. ML:1.6 0.0000596 0.82 AML other m 2023-02-03T00:46:04.33
IV.CRE.HHE. ML:1.5 0.00005085000000000001 0.38 AML other m 2023-02-03T00:46:06.03
IV.ATVO.HHN. ML:1.8 0.00007015 1.62 AML other m 2023-02-03T00:46:06.03
IV.MPAG.HNE. ML:2.4 0.0004285 0.48 AML other m 2023-02-03T00:46:07.26
IV.ATVO.HHE. ML:1.8 0.0000715 0.52 AML other m 2023-02-03T00:46:08.54
IV.NRCA.HHN. ML:1.6 0.0000191 0.56 AML other m 2023-02-03T00:46:11.81
IV.ATCC.EHN. ML:1.9 0.00006625 0.94 AML other m 2023-02-03T00:46:12.03
IV.ATCC.EHE. ML:2.1 0.00009795000000000001 0.74 AML other m 2023-02-03T00:46:14.22
IV.MML1.EHE. ML:1.8 0.000040300000000000004 1.48 AML other m 2023-02-03T00:46:15.92
IV.MML1.EHN. ML:1.7 0.000032149999999999995 1.42 AML other m 2023-02-03T00:46:16.92
IV.PII.HHE. ML:1.8 0.000035499999999999996 1.06 AML other m 2023-02-03T00:46:19.16
IV.FDMO.HHN. ML:1.6 0.00002235 0.44 AML other m 2023-02-03T00:46:19.30
IV.PII.HHN. ML:1.8 0.000034250000000000006 0.54 AML other m 2023-02-03T00:46:19.43
IV.CSP1.EHN. ML:2.2 0.00010045 0.56 AML other m 2023-02-03T00:46:21.13
IV.FDMO.HHE. ML:1.6 0.0000233 0.4 AML other m 2023-02-03T00:46:22.44
IV.CSP1.EHE. ML:2.3 0.000121 0.52 AML other m 2023-02-03T00:46:25.47
IV.NRCA.HHE. ML:1.6 0.0000222 0.42 AML other m 2023-02-03T00:46:46.46
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