Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 31-12-2022 and time 08:48:30 (UTC) in region 5 km W Cesenatico (FC)

A magnitude ML 2.3 earthquake occured in region: 5 km W Cesenatico (FC), on

  • 31-12-2022 08:48:30 (UTC)
  • 31-12-2022 09:48:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2070, 12.3370 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.

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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
Cesenatico FC 5 25796 25796
Cervia RA 6 28940 54736
Gambettola FC 10 10660 65396
Cesena FC 11 96758 162154
Gatteo FC 11 9068 171222
Bellaria-Igea Marina RN 12 19519 190741
San Mauro Pascoli FC 13 11690 202431
Savignano sul Rubicone FC 14 17766 220197
Montiano FC 14 1716 221913
Longiano FC 15 7126 229039
Forlimpopoli FC 17 13290 242329
Bertinoro FC 17 11059 253388
Santarcangelo di Romagna RN 18 22089 275477
Roncofreddo FC 18 3386 278863
Borghi FC 19 2843 281706

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Cesena (96758 inhabitants)
24 Km E of Forlì (117913 inhabitants)
24 Km NW of Rimini (147750 inhabitants)
26 Km SE of Ravenna (159116 inhabitants)
37 Km E of Faenza (58541 inhabitants)
52 Km E of Imola (69797 inhabitants)
57 Km NW of Pesaro (94582 inhabitants)
68 Km NW of Fano (60888 inhabitants)
85 Km E of Bologna (386663 inhabitants)
90 Km NE of Arezzo (99543 inhabitants)
90 Km SE of Ferrara (133155 inhabitants)
99 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 2.3 2022-12-31
08:48:30		 44.2068 12.3372 15 2024-03-01
15:28:16		 Bollettino Sismico Italiano INGV 113701341
Reviewed
Rev100 		ML 2.3 2022-12-31
08:48:30		 44.1672 12.3247 10 2022-12-31
08:58:17		 Sala Sismica INGV-Roma 113208591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-31 08:48:30 ± 0.12
Latitude 44.2068 ± 0.0090
Longitude 12.3372 ± 0.0088
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113701341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 945
Semi-minor axis of confidence ellipse (meter) 443
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 2.61883
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 113208591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-31 08:58:17

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 113701341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-16 09:37:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHZ. 2022-12-31T08:49:13.23 0.1 undecidable manual P 345 290.6868 54 0.28 29
NI.PALA.HHZ. 2022-12-31T08:49:05.43 0.1 undecidable manual P 11 230.6913 54 -0.05 51
OX.MLN.HHZ. 2022-12-31T08:49:03.53 0.1 undecidable manual P 6 216.6165 54 -0.19 55
ST.VARA.EHZ. 2022-12-31T08:49:03.14 0.1 undecidable manual P 328 212.232 54 -0.04 58
IV.FOSV.EHZ. 2022-12-31T08:49:02.86 0.6 undecidable manual S 161 106.7154 93 1.37 27
MN.TRI.HHZ. 2022-12-31T08:49:01.39 1.0 undecidable manual P 33 200.7435 54 -0.36 14
IV.SSFR.HHZ. 2022-12-31T08:48:59.05 0.6 undecidable manual S 157 92.6406 93 1.33 28
IV.MF5.EHZ. 2022-12-31T08:48:57.68 0.1 undecidable manual P 146 162.5151 92 0.68 65
IV.MC2.EHZ. 2022-12-31T08:48:56.86 0.1 undecidable manual P 154 159.2184 92 0.38 73
IV.ATPI.EHZ. 2022-12-31T08:48:56.46 0.6 undecidable manual S 176 84.0492 93 1.02 33
IV.FRON.EHZ. 2022-12-31T08:48:55.57 0.6 undecidable manual S 158 82.5507 93 0.54 41
IV.ZOVE.EHZ. 2022-12-31T08:48:55.41 0.1 undecidable manual P 335 153.6351 92 -0.21 76
IV.CESI.HHZ. 2022-12-31T08:48:54.24 0.1 undecidable manual P 161 140.9478 92 0.58 73
IV.SEI.HHZ. 2022-12-31T08:48:54.95 0.3 undecidable manual S 258 79.7646 94 0.65 61
IV.FDMO.HHZ. 2022-12-31T08:48:54.67 0.1 undecidable manual P 155 143.1456 92 0.67 70
IV.CSP1.EHZ. 2022-12-31T08:48:54.19 0.1 undecidable manual P 150 141.9468 92 0.37 77
IV.PIEI.HHZ. 2022-12-31T08:48:53.70 0.3 undecidable manual S 168 76.0683 94 0.37 66
IV.BADI.EHZ. 2022-12-31T08:48:53.63 0.3 undecidable manual S 186 77.6667 94 -0.12 70
IV.MML1.EHZ. 2022-12-31T08:48:53.05 0.6 undecidable manual P 157 131.5683 92 0.83 34
IV.ASSB.HHZ. 2022-12-31T08:48:52.04 0.1 undecidable manual P 169 131.6682 92 -0.21 82
IV.MPAG.EHZ. 2022-12-31T08:48:52.27 0.3 undecidable manual S 152 72.372 94 -0.08 72
IV.CRMI.HHZ. 2022-12-31T08:48:51.04 0.1 undecidable manual P 248 117.5934 92 0.97 66
IV.EL6.EHZ. 2022-12-31T08:48:49.87 0.1 undecidable manual P 148 114.996 92 0.19 85
IV.PARC.HHZ. 2022-12-31T08:48:49.40 0.3 undecidable manual S 187 62.3931 95 -0.28 70
IV.FOSV.EHZ. 2022-12-31T08:48:48.82 0.3 undecidable manual P 161 106.7154 93 0.42 62
IV.ATMI.HHZ. 2022-12-31T08:48:47.07 0.1 undecidable manual P 183 96.9252 93 0.17 88
IV.LMD.HHZ. 2022-12-31T08:48:46.92 0.3 undecidable manual S 254 52.2033 96 -0.04 74
IV.BRIS.HHZ. 2022-12-31T08:48:46.53 0.3 undecidable manual S 273 45.4212 97 1.36 47
IV.SSFR.HHZ. 2022-12-31T08:48:46.29 0.1 undecidable manual P 157 92.6406 93 0.06 91
IV.SFI.EHZ. 2022-12-31T08:48:46.41 0.3 undecidable manual S 230 51.5151 96 -0.37 70
IV.ATPI.EHZ. 2022-12-31T08:48:44.54 0.1 undecidable manual P 176 84.0492 93 -0.37 87
IV.FRON.EHZ. 2022-12-31T08:48:44.35 0.1 undecidable manual P 158 82.5507 93 -0.32 89
IV.SEI.HHZ. 2022-12-31T08:48:44.58 0.1 undecidable manual P 258 79.7646 94 0.33 89
IV.PIEI.HHZ. 2022-12-31T08:48:43.06 0.1 undecidable manual P 168 76.0683 94 -0.63 82
IV.BADI.EHZ. 2022-12-31T08:48:43.22 0.1 undecidable manual P 186 77.6667 94 -0.71 79
IV.MPAG.EHZ. 2022-12-31T08:48:42.28 0.3 undecidable manual P 152 72.372 94 -0.84 57
IV.CRE.HHZ. 2022-12-31T08:48:42.16 0.1 undecidable manual P 205 72.1722 94 -0.92 73
Y1.T1711.HNZ.01 2022-12-31T08:48:41.88 0.6 undecidable manual S 138 30.6471 103 0.59 44
IV.PARC.HHZ. 2022-12-31T08:48:40.66 0.1 undecidable manual P 187 62.3931 95 -0.93 74
IV.IMOL.EHZ. 2022-12-31T08:48:40.51 0.1 undecidable manual P 290 50.2164 96 0.8 81
IV.SFI.EHZ. 2022-12-31T08:48:39.00 0.1 undecidable manual P 230 51.5151 96 -0.91 76
Y1.T1756.HNZ. 2022-12-31T08:48:39.34 0.3 undecidable manual S 229 24.8529 108 -0.44 72
IV.LMD.HHZ. 2022-12-31T08:48:39.29 0.1 undecidable manual P 254 52.2033 96 -0.72 82
IV.BRIS.HHZ. 2022-12-31T08:48:39.07 0.1 undecidable manual P 273 45.4212 97 0.09 100
IV.CPGN.EHZ. 2022-12-31T08:48:38.51 0.3 undecidable manual P 182 45.0216 97 -0.41 70
IV.BLLA.EHZ. 2022-12-31T08:48:37.17 0.3 undecidable manual S 124 12.7761 131 0.24 76
IV.BRSN.EHZ. 2022-12-31T08:48:36.02 0.1 undecidable manual P 293 22.1556 111 0.54 95
IV.RSM2.HHE. 2022-12-31T08:48:36.55 0.3 undecidable manual P 164 31.0467 102 -0.25 74
Y1.T1711.HNZ.01 2022-12-31T08:48:36.24 0.1 undecidable manual P 138 30.6471 103 -0.5 94
Y1.T1756.HNZ. 2022-12-31T08:48:35.28 0.1 undecidable manual P 229 24.8529 108 -0.59 91
IV.BLLA.EHZ. 2022-12-31T08:48:33.74 0.1 undecidable manual P 124 12.7761 131 -0.48 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BLLA.EHE. ML:2.8 0.00475 0.72 AML other m 2022-12-31T08:48:37.56
IV.BLLA.EHN. ML:2.5 0.002755 0.76 AML other m 2022-12-31T08:48:37.31
IV.SFI.EHE. ML:2.1 0.0003275 0.3 AML other m 2022-12-31T08:48:47.83
IV.SFI.EHN. ML:2.1 0.0003165 1.24 AML other m 2022-12-31T08:48:48.68
IV.LMD.HHN. ML:2.4 0.0006435 1.8 AML other m 2022-12-31T08:48:49.01
IV.LMD.HHE. ML:2.6 0.0008939999999999999 0.2 AML other m 2022-12-31T08:48:49.23
IV.CPGN.EHE. ML:1.9 0.0002155 1.08 AML other m 2022-12-31T08:48:49.91
IV.PARC.HHE. ML:2.4 0.0004325 1.78 AML other m 2022-12-31T08:48:50.99
IV.PARC.HHN. ML:1.9 0.000154 0.48 AML other m 2022-12-31T08:48:50.28
IV.PIEI.HNE. ML:2.4 0.000377 1.6 AML other m 2022-12-31T08:48:53.94
IV.PIEI.HHE. ML:2.3 0.000317 1.1 AML other m 2022-12-31T08:48:53.94
IV.BRIS.HHE. ML:1.6 0.00011999999999999999 0.32 AML other m 2022-12-31T08:48:54.54
IV.BRIS.HHN. ML:1.6 0.00010400000000000001 0.34 AML other m 2022-12-31T08:48:55.47
IV.BADI.EHE. ML:2.2 0.00021500000000000002 0.2 AML other m 2022-12-31T08:48:55.59
IV.CPGN.EHN. ML:1.9 0.00020850000000000003 0.5 AML other m 2022-12-31T08:48:55.97
IV.MPAG.EHN. ML:2.0 0.0001715 0.34 AML other m 2022-12-31T08:48:56.81
IV.MPAG.EHE. ML:2.0 0.000156 0.64 AML other m 2022-12-31T08:48:57.51
IV.ATPI.EHE. ML:1.9 0.0000953 0.54 AML other m 2022-12-31T08:48:59.54
IV.PIEI.HHN. ML:2.1 0.000168 0.22 AML other m 2022-12-31T08:49:00.51
IV.SSFR.HHN. ML:2.7 0.000503 0.2 AML other m 2022-12-31T08:49:00.66
IV.FRON.EHN. ML:2.2 0.0002165 0.42 AML other m 2022-12-31T08:49:00.91
IV.PIEI.HNN. ML:2.2 0.00021799999999999999 1.12 AML other m 2022-12-31T08:49:01.06
IV.FRON.EHE. ML:2.1 0.000165 1.38 AML other m 2022-12-31T08:49:01.07
IV.CRE.HHN. ML:2.2 0.00022999999999999998 1.6 AML other m 2022-12-31T08:49:01.00
IV.CRE.HHE. ML:1.9 0.00011649999999999999 0.38 AML other m 2022-12-31T08:49:02.11
IV.BADI.EHN. ML:2.2 0.000222 1.48 AML other m 2022-12-31T08:49:02.21
IV.SSFR.HHE. ML:2.7 0.0005215 0.26 AML other m 2022-12-31T08:49:03.54
IV.SSFR.HNE. ML:2.7 0.0005635 0.6 AML other m 2022-12-31T08:49:03.25
IV.SSFR.HNN. ML:2.7 0.0005394999999999999 0.84 AML other m 2022-12-31T08:49:04.80
IV.ATPI.EHN. ML:2.0 0.00011525 0.5 AML other m 2022-12-31T08:49:04.63
IV.SEI.HHN. ML:2.5 0.00040649999999999996 1.58 AML other m 2022-12-31T08:49:05.95
IV.SEI.HHE. ML:2.4 0.0003355 0.4 AML other m 2022-12-31T08:49:05.47
IV.FOSV.EHN. ML:2.3 0.0001725 0.44 AML other m 2022-12-31T08:49:06.37
IV.ATMI.HHN. ML:2.4 0.00023299999999999997 0.96 AML other m 2022-12-31T08:49:06.63
IV.ATMI.HHE. ML:2.4 0.000282 0.48 AML other m 2022-12-31T08:49:06.55
IV.FOSV.EHE. ML:2.3 0.000187 0.44 AML other m 2022-12-31T08:49:07.58
IV.EL6.EHN. ML:2.6 0.000337 1.08 AML other m 2022-12-31T08:49:08.72
IV.EL6.EHE. ML:2.5 0.000259 0.66 AML other m 2022-12-31T08:49:08.83
IV.CRMI.HHN. ML:2.0 0.00006850000000000001 0.76 AML other m 2022-12-31T08:49:09.46
IV.CRMI.HHE. ML:1.9 0.000055150000000000006 0.9 AML other m 2022-12-31T08:49:10.47
IV.MML1.EHN. ML:2.3 0.000133 1.32 AML other m 2022-12-31T08:49:13.04
IV.ASSB.HHN. ML:2.2 0.0000965 0.52 AML other m 2022-12-31T08:49:14.67
IV.MML1.EHE. ML:2.4 0.0001595 1.46 AML other m 2022-12-31T08:49:14.09
IV.CSP1.EHN. ML:2.7 0.0003055 0.62 AML other m 2022-12-31T08:49:16.15
IV.ASSB.HHE. ML:2.2 0.00010475000000000001 0.36 AML other m 2022-12-31T08:49:16.29
IV.CESI.HHN. ML:2.2 0.00008555 0.88 AML other m 2022-12-31T08:49:16.53
IV.FDMO.HHN. ML:2.3 0.00010899999999999999 0.3 AML other m 2022-12-31T08:49:17.07
IV.CESI.HHE. ML:2.4 0.000134 0.56 AML other m 2022-12-31T08:49:18.77
IV.FDMO.HHE. ML:2.2 0.00008599999999999999 0.3 AML other m 2022-12-31T08:49:19.40
IV.CSP1.EHE. ML:2.8 0.00033150000000000003 0.5 AML other m 2022-12-31T08:49:19.66
ST.VARA.EHE. ML:2.6 0.00011205 0.64 AML other m 2022-12-31T08:49:37.32
ST.VARA.EHN. ML:2.3 0.0000539 1.6 AML other m 2022-12-31T08:49:37.00
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