Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 10-02-2023 and time 07:18:20 (UTC) in region 5 km W Cesenatico (FC)

A magnitude ML 1.5 earthquake occured in region: 5 km W Cesenatico (FC), on

  • 10-02-2023 07:18:20 (UTC)
  • 10-02-2023 08:18:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1960, 12.3380 at 21 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 7 28940 54736
Gambettola FC 8 10660 65396
Cesena FC 10 96758 162154
Gatteo FC 10 9068 171222
Bellaria-Igea Marina RN 11 19519 190741
San Mauro Pascoli FC 12 11690 202431
Savignano sul Rubicone FC 12 17766 220197
Montiano FC 13 1716 221913
Longiano FC 14 7126 229039
Forlimpopoli FC 17 13290 242329
Bertinoro FC 17 11059 253388
Santarcangelo di Romagna RN 17 22089 275477
Roncofreddo FC 17 3386 278863
Borghi FC 18 2843 281706

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NE of Cesena (96758 inhabitants)
24 Km NW of Rimini (147750 inhabitants)
24 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)
89 Km NE of Arezzo (99543 inhabitants)
91 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 1.5 2023-02-10
07:18:20		 44.1958 12.3383 21 2024-03-01
17:18:10		 Bollettino Sismico Italiano INGV 118124431
Reviewed
Rev100 		ML 1.5 2023-02-10
07:18:19		 44.25 12.3477 9 2023-02-10
07:35:12		 Sala Sismica INGV-Roma 114319431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-10 07:18:20 ± 0.18
Latitude 44.1958 ± 0.0099
Longitude 12.3383 ± 0.0113
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118124431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 843
Semi-minor axis of confidence ellipse (meter) 741
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 1.26894
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 118124431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-24 08:22:12

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 114319431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-10 07:35:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-02-10T07:18:44.02 0.3 undecidable manual P 150 140.8479 95 0.36 61
IV.PARC.HHZ. 2023-02-10T07:18:39.70 0.3 undecidable manual S 188 61.1943 102 0.15 74
IV.EL6.EHZ. 2023-02-10T07:18:39.72 0.6 undecidable manual P 147 113.8971 96 0.2 44
IV.SFI.EHZ. 2023-02-10T07:18:37.20 0.6 undecidable manual S 231 50.8158 105 0.36 48
IV.LMD.HHZ. 2023-02-10T07:18:37.50 0.6 undecidable manual S 256 51.9036 104 0.37 48
IV.PESA.HHE. 2023-02-10T07:18:36.40 1.0 undecidable manual S 125 49.0176 105 0.03 26
IV.ATVO.HHZ. 2023-02-10T07:18:36.12 0.3 undecidable manual P 177 90.4428 97 0.19 70
IV.ATPI.EHZ. 2023-02-10T07:18:35.02 0.3 undecidable manual P 176 82.8504 98 0.25 70
IV.FRON.EHZ. 2023-02-10T07:18:34.47 0.3 undecidable manual P 157 81.3519 98 -0.07 72
IV.RUFI.EHZ. 2023-02-10T07:18:33.93 0.6 undecidable manual P 239 77.1672 99 0.03 49
IV.NARO.HHZ. 2023-02-10T07:18:33.14 0.3 undecidable manual P 163 67.6767 100 0.67 64
IV.PIEI.HHZ. 2023-02-10T07:18:33.26 1.0 undecidable manual P 168 74.8695 99 -0.3 23
IV.MPAG.EHZ. 2023-02-10T07:18:32.79 0.3 undecidable manual P 152 71.2731 100 -0.22 71
IV.PARC.HHZ. 2023-02-10T07:18:31.00 0.3 undecidable manual P 188 61.1943 102 -0.49 69
Y1.T1756.HNZ. 2023-02-10T07:18:30.20 0.3 undecidable manual S 231 24.1536 124 -0.09 80
IV.PESA.HHE. 2023-02-10T07:18:30.02 1.0 undecidable manual P 125 49.0176 105 0.37 24
IV.LMD.HHZ. 2023-02-10T07:18:29.68 0.3 undecidable manual P 256 51.9036 104 -0.41 71
IV.SFI.EHZ. 2023-02-10T07:18:29.49 0.3 undecidable manual P 231 50.8158 105 -0.43 71
Y1.T1718.HNE. 2023-02-10T07:18:28.32 0.3 undecidable manual S 336 7.7811 157 0.88 66
Y1.T1711.HNZ.01 2023-02-10T07:18:27.15 0.3 undecidable manual P 136 29.748 118 0.27 77
IV.BLLA.EHE. 2023-02-10T07:18:27.60 0.3 undecidable manual S 119 12.0768 146 -0.38 76
Y1.T1756.HNZ. 2023-02-10T07:18:25.73 0.1 undecidable manual P 231 24.1536 124 -0.41 100
Y1.T1718.HNE. 2023-02-10T07:18:24.47 0.3 undecidable manual P 336 7.7811 157 -0.03 83
IV.BLLA.EHE. 2023-02-10T07:18:24.26 0.3 undecidable manual P 119 12.0768 146 -0.55 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:1.5 0.0000726 0.56 AML other m 2023-02-10T07:18:38.33
IV.SFI.HNN. ML:1.9 0.00018182799999999998 1.3184 AML other m 2023-02-10T07:18:38.19
IV.SFI.EHN. ML:1.7 0.000112 1.32 AML other m 2023-02-10T07:18:38.85
IV.PARC.HHE. ML:1.6 0.000079355125 0.2016 AML other m 2023-02-10T07:18:40.56
IV.PARC.HHN. ML:1.4 0.000046955225 0.3008 AML other m 2023-02-10T07:18:40.76
IV.MPAG.EHN. ML:1.4 0.000036882079999999996 0.2976 AML other m 2023-02-10T07:18:44.17
IV.NARO.HHE. ML:1.1 0.000021248615 0.2016 AML other m 2023-02-10T07:18:44.52
IV.MPAG.EHE. ML:1.3 0.0000309206985 0.16 AML other m 2023-02-10T07:18:44.91
IV.PIEI.HHN. ML:1.5 0.00004375 0.58 AML other m 2023-02-10T07:18:45.36
IV.PIEI.HHE. ML:1.6 0.00005745 0.54 AML other m 2023-02-10T07:18:45.37
IV.NARO.HHN. ML:1.3 0.000030881265 0.4192 AML other m 2023-02-10T07:18:49.25
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