Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 31-01-2023 and time 13:24:32 (Italy) in region 6 km SW Cesenatico (FC)

A magnitude ML 2.3 earthquake occured in region: 6 km SW Cesenatico (FC), on

  • 31-01-2023 12:24:32 (UTC)
  • 31-01-2023 13:24:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1730, 12.3380 at 17 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 6 25796 25796
Gambettola FC 6 10660 36456
Gatteo FC 8 9068 45524
Cesena FC 9 96758 142282
San Mauro Pascoli FC 10 11690 153972
Cervia RA 10 28940 182912
Bellaria-Igea Marina RN 10 19519 202431
Montiano FC 10 1716 204147
Savignano sul Rubicone FC 10 17766 221913
Longiano FC 11 7126 229039
Roncofreddo FC 15 3386 232425
Santarcangelo di Romagna RN 15 22089 254514
Borghi FC 16 2843 257357
Bertinoro FC 16 11059 268416
Forlimpopoli FC 17 13290 281706
Sogliano al Rubicone FC 19 3195 284901

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km E of Cesena (96758 inhabitants)
22 Km NW of Rimini (147750 inhabitants)
24 Km E of Forlì (117913 inhabitants)
29 Km SE of Ravenna (159116 inhabitants)
38 Km E of Faenza (58541 inhabitants)
54 Km E of Imola (69797 inhabitants)
55 Km NW of Pesaro (94582 inhabitants)
66 Km NW of Fano (60888 inhabitants)
87 Km NE of Arezzo (99543 inhabitants)
87 Km E of Bologna (386663 inhabitants)
93 Km SE of Ferrara (133155 inhabitants)
98 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 2023-01-31
12:24:32		 44.1732 12.3385 17 2024-03-01
17:17:57		 Bollettino Sismico Italiano INGV 114938151
Reviewed
Rev100 		ML 2.3 2023-01-31
12:24:32		 44.2133 12.3457 23 2023-01-31
12:34:13		 Sala Sismica INGV-Roma 113934571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-31 12:24:32 ± 0.16
Latitude 44.1732 ± 0.0090
Longitude 12.3385 ± 0.0088
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114938151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 886
Semi-minor axis of confidence ellipse (meter) 614
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.43622
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 113934571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-31 12:34:13

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 114938151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-09 15:59:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2023-01-31T12:26:34.67 3.0 undecidable manual Sn 0.94 0
IV.MCRV.HHZ. 2023-01-31T12:26:21.36 3.0 undecidable manual Sn -1.33 0
IV.SGRT.HHZ. 2023-01-31T12:26:19.38 3.0 undecidable manual Sg 8.58 0
IV.MTMR.HNZ. 2023-01-31T12:26:17.05 3.0 undecidable manual Sn -1.21 0
IV.ECTS.HHZ. 2023-01-31T12:26:16.74 3.0 undecidable manual Pn 5.89 0
GU.GBOS.HHZ. 2023-01-31T12:26:15.98 3.0 undecidable manual Sg 10.59 0
IV.PAOL.HHZ. 2023-01-31T12:26:12.94 3.0 undecidable manual Sn 1.05 0
IV.MTGR.HHZ. 2023-01-31T12:26:05.30 3.0 positive manual Pn -0.63 0
GE.MATE.HHZ. 2023-01-31T12:25:56.72 3.0 undecidable manual Pg 10.84 0
IV.SPS2.HHZ. 2023-01-31T12:25:56.77 3.0 negative manual Pn -1.86 0
GU.CIRO.HHZ. 2023-01-31T12:25:45.99 3.0 negative manual Pg 14.46 0
IV.MABI.HHZ. 2023-01-31T12:25:38.80 3.0 undecidable manual Sn -5.1 0
IV.PAOL.HHZ. 2023-01-31T12:25:36.91 3.0 undecidable manual Pg 8.26 0
GU.GBOS.HHZ. 2023-01-31T12:25:32.67 3.0 undecidable manual Pg 7.67 0
NI.VINO.HHZ. 2023-01-31T12:25:07.78 3.0 undecidable manual Pn -4.2 0
OX.MARN.HHZ. 2023-01-31T12:25:05.06 3.0 undecidable manual Pg 0.45 0
IV.ARVD.HHZ. 2023-01-31T12:25:00.25 0.3 undecidable manual S 147 89.0442 95 1.06 48
IV.MC2.EHZ. 2023-01-31T12:24:59.07 0.3 undecidable manual P 154 155.8218 54 0.75 47
IV.MF5.EHZ. 2023-01-31T12:24:59.62 0.3 undecidable manual P 145 159.4182 54 0.85 45
IV.BDI.HHZ. 2023-01-31T12:24:57.76 0.3 undecidable manual P 266 139.3605 93 1.96 24
IV.MGAB.HHZ. 2023-01-31T12:24:56.60 0.3 undecidable manual P 187 141.0477 93 0.54 53
IV.CESI.HHZ. 2023-01-31T12:24:55.18 0.3 undecidable manual P 160 137.3625 93 -0.31 57
IV.PIEI.HHZ. 2023-01-31T12:24:55.25 0.3 undecidable manual S 167 72.4719 96 0.49 62
IV.CSP1.EHZ. 2023-01-31T12:24:55.40 0.3 undecidable manual P 150 138.6612 93 -0.3 57
IV.FDMO.HHZ. 2023-01-31T12:24:55.31 3.0 undecidable manual P -1.95 0
IV.MPAG.EHZ. 2023-01-31T12:24:54.18 0.3 undecidable manual S 151 69.0753 96 0.3 66
IV.CRMI.HHZ. 2023-01-31T12:24:53.62 0.6 undecidable manual P 249 116.2947 93 1.37 26
IV.PARC.HHZ. 2023-01-31T12:24:51.55 0.6 undecidable manual S 188 58.6968 98 0.42 43
IV.SNTG.HHZ. 2023-01-31T12:24:51.79 0.3 undecidable manual P 154 112.6983 94 0.09 63
IV.ATCC.EHZ. 2023-01-31T12:24:51.69 0.3 undecidable manual P 167 112.1988 94 0.06 63
Y1.T1743.EHZ. 2023-01-31T12:24:51.59 0.6 undecidable manual S 129 56.9985 98 0.9 37
IV.PE3.EHN. 2023-01-31T12:24:50.27 0.6 undecidable manual S 167 54.4011 99 0.28 45
IV.LMD.HHZ. 2023-01-31T12:24:49.47 0.3 undecidable manual S 258 51.4152 99 0.28 68
IV.MURB.HHZ. 2023-01-31T12:24:49.64 0.3 undecidable manual P 172 102.0201 94 -0.42 60
IV.CAFI.HHZ. 2023-01-31T12:24:49.05 0.3 undecidable manual P 198 98.2239 94 -0.43 61
IV.ATMI.HHZ. 2023-01-31T12:24:48.56 0.3 undecidable manual P 183 93.24 94 -0.15 65
IV.PESA.HHN. 2023-01-31T12:24:48.76 0.6 undecidable manual S 123 47.5191 100 0.57 43
IV.SFI.EHZ. 2023-01-31T12:24:48.70 0.6 undecidable manual S 233 49.2174 100 0.08 47
IV.ATFO.HHZ. 2023-01-31T12:24:48.30 0.3 undecidable manual P 168 91.4418 95 -0.12 65
IV.SSFR.HHZ. 2023-01-31T12:24:47.60 0.3 undecidable manual P 156 89.1441 95 -0.48 61
IV.ARVD.HHZ. 2023-01-31T12:24:47.47 0.3 undecidable manual P 147 89.0442 95 -0.6 58
IV.ATPI.EHZ. 2023-01-31T12:24:46.40 0.3 undecidable manual P 176 80.2641 95 -0.32 64
IV.SEI.HHZ. 2023-01-31T12:24:46.61 0.3 undecidable manual P 261 79.1652 95 0.06 68
IV.RUFI.EHZ. 2023-01-31T12:24:45.74 0.3 undecidable manual P 241 75.8685 96 -0.31 65
IV.MPAG.EHZ. 2023-01-31T12:24:44.48 0.3 undecidable manual P 151 69.0753 96 -0.52 62
IV.PIEI.HHZ. 2023-01-31T12:24:44.79 0.3 undecidable manual P 167 72.4719 96 -0.73 57
IV.IMOL.EHZ. 2023-01-31T12:24:43.33 0.3 undecidable manual P 294 51.7038 99 0.99 53
Y1.T1711.HNZ.01 2023-01-31T12:24:43.72 0.3 undecidable manual S 133 27.9498 111 0.6 66
IV.PE3.EHN. 2023-01-31T12:24:42.78 0.1 undecidable manual P 167 54.4011 99 0.02 95
Y1.T1743.EHZ. 2023-01-31T12:24:42.80 0.1 undecidable manual P 129 56.9985 98 -0.36 88
IV.PARC.HHZ. 2023-01-31T12:24:42.68 0.1 undecidable manual P 188 58.6968 98 -0.74 78
IV.BRIS.HHZ. 2023-01-31T12:24:41.53 0.3 undecidable manual P 277 45.8208 101 0.07 72
Y1.T1756.HNZ. 2023-01-31T12:24:41.83 0.3 undecidable manual S 236 22.6551 117 0 75
IV.PESA.HHN. 2023-01-31T12:24:41.38 0.3 undecidable manual P 123 47.5191 100 -0.34 67
IV.LMD.HHZ. 2023-01-31T12:24:41.80 0.1 undecidable manual P 258 51.4152 99 -0.5 87
IV.SFI.EHZ. 2023-01-31T12:24:41.43 0.1 undecidable manual P 233 49.2174 100 -0.54 86
Y1.T1718.HNZ. 2023-01-31T12:24:40.22 0.3 undecidable manual S 342 10.0788 144 0.96 58
IV.CPGN.EHZ. 2023-01-31T12:24:40.84 0.3 undecidable manual P 182 41.3253 102 0.07 72
IV.BLLA.EHZ. 2023-01-31T12:24:39.36 0.6 undecidable manual S 108 10.9779 142 -0.04 51
Y1.T1711.HNZ.01 2023-01-31T12:24:38.55 0.3 undecidable manual P 133 27.9498 111 -0.24 71
IV.BRSN.HNZ. 2023-01-31T12:24:38.58 0.3 undecidable manual P 301 23.9538 115 0.35 71
Y1.T1756.HNZ. 2023-01-31T12:24:37.75 0.1 undecidable manual P 236 22.6551 117 -0.3 96
Y1.T1718.HNZ. 2023-01-31T12:24:36.42 0.1 positive manual P 342 10.0788 144 -0.14 100
IV.BLLA.EHZ. 2023-01-31T12:24:36.07 0.1 negative manual P 108 10.9779 142 -0.57 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BLLA.EHE. ML:2.6 0.00352 0.66 AML other m 2023-01-31T12:24:39.73
IV.BLLA.EHN. ML:2.8 0.0049299999999999995 0.42 AML other m 2023-01-31T12:24:40.51
IV.SFI.HNE. ML:2.1 0.00029400000000000004 1.34 AML other m 2023-01-31T12:24:50.93
IV.SFI.EHE. ML:2.0 0.0002735 1.8 AML other m 2023-01-31T12:24:51.93
IV.LMD.HHN. ML:2.3 0.00048 1.42 AML other m 2023-01-31T12:24:51.04
IV.SFI.HNN. ML:2.1 0.000338 0.6 AML other m 2023-01-31T12:24:51.35
IV.LMD.HHE. ML:2.6 0.0009475 1.16 AML other m 2023-01-31T12:24:51.95
IV.SFI.EHN. ML:2.1 0.0003195 0.88 AML other m 2023-01-31T12:24:51.67
IV.PARC.HHE. ML:1.9 0.00015150000000000002 0.22 AML other m 2023-01-31T12:24:52.29
IV.PARC.HHN. ML:1.8 0.00011949999999999999 0.52 AML other m 2023-01-31T12:24:52.48
IV.BRIS.HHN. ML:1.6 0.000108 0.24 AML other m 2023-01-31T12:24:54.26
IV.MPAG.EHE. ML:2.2 0.00026849999999999997 0.9 AML other m 2023-01-31T12:24:55.91
IV.PIEI.HHE. ML:2.4 0.00039249999999999995 0.4 AML other m 2023-01-31T12:24:56.33
IV.PIEI.HNN. ML:2.2 0.00027049999999999996 0.94 AML other m 2023-01-31T12:24:56.68
IV.BRIS.HHE. ML:1.6 0.00009939999999999999 0.3 AML other m 2023-01-31T12:24:56.13
IV.CPGN.EHN. ML:1.8 0.000189 0.64 AML other m 2023-01-31T12:24:56.17
IV.PIEI.HHN. ML:2.1 0.00019350000000000001 0.4 AML other m 2023-01-31T12:24:56.96
IV.MPAG.EHN. ML:2.2 0.0002485 1.08 AML other m 2023-01-31T12:24:56.90
IV.CPGN.EHE. ML:1.8 0.00020999999999999998 0.92 AML other m 2023-01-31T12:24:56.99
IV.PIEI.HNE. ML:2.4 0.00039 1.5 AML other m 2023-01-31T12:24:57.99
IV.ATPI.EHN. ML:1.9 0.00011549999999999999 1.22 AML other m 2023-01-31T12:24:59.04
IV.ATPI.EHE. ML:1.8 0.0000899 0.48 AML other m 2023-01-31T12:25:01.72
IV.SSFR.HHE. ML:2.6 0.0005045000000000001 0.18 AML other m 2023-01-31T12:25:02.17
IV.SSFR.HHN. ML:2.7 0.0005965 0.68 AML other m 2023-01-31T12:25:02.81
IV.SSFR.HNN. ML:2.8 0.000693 0.66 AML other m 2023-01-31T12:25:02.48
IV.ARVD.HHE. ML:2.0 0.000122 0.72 AML other m 2023-01-31T12:25:03.35
IV.ARVD.HHN. ML:2.1 0.0001625 1.28 AML other m 2023-01-31T12:25:04.05
IV.SSFR.HNE. ML:2.6 0.0005394999999999999 0.2 AML other m 2023-01-31T12:25:05.32
IV.ATFO.HHN. ML:2.3 0.000232 0.34 AML other m 2023-01-31T12:25:06.93
IV.CAFI.HHE. ML:1.9 0.00007795 1.48 AML other m 2023-01-31T12:25:07.74
IV.SEI.HHE. ML:2.5 0.0004335 1.48 AML other m 2023-01-31T12:25:07.12
IV.ATFO.HHE. ML:2.3 0.0002275 0.42 AML other m 2023-01-31T12:25:07.07
IV.SEI.HHN. ML:2.6 0.0005669999999999999 0.46 AML other m 2023-01-31T12:25:07.59
IV.CAFI.HHN. ML:2.0 0.00010765 0.26 AML other m 2023-01-31T12:25:08.24
IV.ATMI.HHN. ML:2.4 0.00023899999999999998 1.28 AML other m 2023-01-31T12:25:08.29
IV.ATMI.HHE. ML:2.3 0.00019350000000000001 1.68 AML other m 2023-01-31T12:25:09.84
IV.ATCC.EHE. ML:2.4 0.000216 0.22 AML other m 2023-01-31T12:25:09.53
IV.MURB.HHN. ML:2.6 0.00041049999999999995 0.32 AML other m 2023-01-31T12:25:10.49
IV.MURB.HHE. ML:2.8 0.0005834999999999999 0.34 AML other m 2023-01-31T12:25:10.96
IV.SNTG.HHE. ML:2.2 0.0001325 1.02 AML other m 2023-01-31T12:25:11.55
IV.SNTG.HHN. ML:2.4 0.0001865 0.44 AML other m 2023-01-31T12:25:11.59
IV.CRMI.HHN. ML:2.2 0.00010815 1.3 AML other m 2023-01-31T12:25:12.04
IV.CRMI.HHE. ML:2.0 0.00007780000000000001 0.26 AML other m 2023-01-31T12:25:12.70
IV.ATCC.EHN. ML:2.4 0.000215 0.52 AML other m 2023-01-31T12:25:16.24
IV.MGAB.HHN. ML:2.2 0.00008605 0.66 AML other m 2023-01-31T12:25:17.38
IV.FDMO.HHN. ML:2.2 0.0000904 0.64 AML other m 2023-01-31T12:25:18.45
IV.CSP1.EHE. ML:2.9 0.0005329999999999999 0.68 AML other m 2023-01-31T12:25:18.59
IV.MGAB.HHE. ML:2.2 0.0000887 0.76 AML other m 2023-01-31T12:25:21.04
IV.CESI.HHE. ML:2.2 0.00009025 1.1 AML other m 2023-01-31T12:25:21.75
IV.CSP1.EHN. ML:2.9 0.000413 0.4 AML other m 2023-01-31T12:25:21.50
IV.FDMO.HHE. ML:2.2 0.00009434999999999999 0.32 AML other m 2023-01-31T12:25:21.76
IV.CESI.HHN. ML:2.2 0.0000911 1.3 AML other m 2023-01-31T12:25:23.04
IV.MMO1.EHE. ML:2.6 0.000177 0.52 AML other m 2023-01-31T12:25:25.03
IV.MF5.EHE. ML:2.7 0.000251 0.86 AML other m 2023-01-31T12:25:26.56
IV.MF5.EHN. ML:2.6 0.00015900000000000002 1.14 AML other m 2023-01-31T12:25:26.38
IV.MMO1.EHN. ML:2.5 0.0001315 0.88 AML other m 2023-01-31T12:25:27.50
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
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