Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 12-03-2023 and time 03:51:25 (UTC) in region 4 km W Cesenatico (FC)

A magnitude ML 1.3 earthquake occured in region: 4 km W Cesenatico (FC), on

  • 12-03-2023 03:51:25 (UTC)
  • 12-03-2023 04:51:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2040, 12.3500 at 19 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 4 25796 25796
Cervia RA 6 28940 54736
Gambettola FC 9 10660 65396
Bellaria-Igea Marina RN 11 19519 84915
Gatteo FC 11 9068 93983
Cesena FC 11 96758 190741
San Mauro Pascoli FC 12 11690 202431
Savignano sul Rubicone FC 13 17766 220197
Montiano FC 14 1716 221913
Longiano FC 15 7126 229039
Santarcangelo di Romagna RN 18 22089 251128
Forlimpopoli FC 18 13290 264418
Bertinoro FC 18 11059 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 NW of Rimini (147750 inhabitants)
25 Km E of Forlì (117913 inhabitants)
27 Km SE of Ravenna (159116 inhabitants)
38 Km E of Faenza (58541 inhabitants)
53 Km E of Imola (69797 inhabitants)
56 Km NW of Pesaro (94582 inhabitants)
67 Km NW of Fano (60888 inhabitants)
86 Km E of Bologna (386663 inhabitants)
90 Km NE of Arezzo (99543 inhabitants)
91 Km SE of Ferrara (133155 inhabitants)
100 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 1.3 2023-03-12
03:51:25		 44.2043 12.3497 19 2024-03-01
17:18:18		 Bollettino Sismico Italiano INGV 123808751
Reviewed
Rev100 		ML 1.3 2023-03-12
03:51:25		 44.2077 12.3677 19 2023-03-12
04:05:38		 Sala Sismica INGV-Roma 115273041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-12 03:51:25 ± 0.29
Latitude 44.2043 ± 0.0162
Longitude 12.3497 ± 0.0138
Depth (km) 19 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 123808751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1482
Semi-minor axis of confidence ellipse (meter) 1128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 1480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 1.27254
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 123808751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-04 16:15:03

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 115273041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-12 04:05:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-03-12T03:51:51.04 0.6 undecidable manual S 158 81.8514 97 1.23 33
IV.CSP1.EHZ. 2023-03-12T03:51:49.35 0.3 undecidable manual P 151 141.2475 94 0.76 53
IV.PIEI.HHZ. 2023-03-12T03:51:48.45 0.6 undecidable manual S 169 75.6687 97 0.29 48
IV.MPAG.EHZ. 2023-03-12T03:51:47.68 0.6 undecidable manual S 153 71.6727 98 0.56 45
IV.PARC.HHZ. 2023-03-12T03:51:44.49 0.6 undecidable manual S 188 62.2932 99 -0.14 49
IV.LMD.HHZ. 2023-03-12T03:51:42.89 0.6 undecidable manual S 255 53.0025 101 0.69 45
IV.PESA.HHE. 2023-03-12T03:51:41.61 0.3 undecidable manual S 127 48.8178 103 0.51 70
IV.SFI.EHZ. 2023-03-12T03:51:41.59 0.6 undecidable manual S 231 52.0035 102 -0.36 48
IV.SSFR.HHZ. 2023-03-12T03:51:40.78 0.3 undecidable manual P 158 91.9413 96 -0.25 69
IV.FRON.EHZ. 2023-03-12T03:51:39.36 0.3 undecidable manual P 158 81.8514 97 -0.12 72
IV.MPAG.EHZ. 2023-03-12T03:51:37.36 0.3 undecidable manual P 153 71.6727 98 -0.57 66
IV.PIEI.HHZ. 2023-03-12T03:51:37.92 0.3 undecidable manual P 169 75.6687 97 -0.61 64
IV.BRSN.HNN. 2023-03-12T03:51:35.34 0.6 undecidable manual S 293 23.1546 121 0.66 47
IV.PARC.HHZ. 2023-03-12T03:51:35.85 0.3 undecidable manual P 188 62.2932 99 -0.64 65
IV.CPGN.HNZ. 2023-03-12T03:51:34.06 0.3 undecidable manual P 183 44.8218 104 0.21 77
IV.LMD.HHZ. 2023-03-12T03:51:34.95 0.3 undecidable manual P 255 53.0025 101 -0.14 76
IV.PESA.HHE. 2023-03-12T03:51:34.24 0.3 undecidable manual P 127 48.8178 103 -0.21 76
IV.SFI.EHZ. 2023-03-12T03:51:34.39 0.3 undecidable manual P 231 52.0035 102 -0.55 68
IV.BLLA.EHZ. 2023-03-12T03:51:32.27 0.3 undecidable manual S 125 11.7771 143 -0.13 82
IV.BRSN.HNN. 2023-03-12T03:51:31.44 0.1 undecidable manual P 293 23.1546 121 0.69 92
IV.BLLA.EHZ. 2023-03-12T03:51:28.89 0.1 undecidable manual P 125 11.7771 143 -0.54 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHN. ML:1.0 0.0000266202475 0.16 AML other m 2023-03-12T03:51:42.79
IV.LMD.HHE. ML:1.3 0.000048100000000000004 0.74 AML other m 2023-03-12T03:51:44.48
IV.LMD.HHN. ML:1.2 0.000040496775 0.1408 AML other m 2023-03-12T03:51:44.43
IV.PARC.HHE. ML:1.3 0.000040073805 0.6784 AML other m 2023-03-12T03:51:45.17
IV.PARC.HHN. ML:1.3 0.000036935305 0.1376 AML other m 2023-03-12T03:51:45.23
IV.PIEI.HHE. ML:1.4 0.000038182679999999995 0.1408 AML other m 2023-03-12T03:51:49.48
IV.SFI.EHE. ML:1.4 0.00005421066 0.5408 AML other m 2023-03-12T03:51:50.50
IV.PIEI.HHN. ML:1.1 0.000020252108500000002 0.1376 AML other m 2023-03-12T03:51:50.46
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