Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 28-02-2023 and time 00:36:28 (UTC) in region 5 km W Cesenatico (FC)

A magnitude ML 2.0 earthquake occured in region: 5 km W Cesenatico (FC), on

  • 28-02-2023 00:36:28 (UTC)
  • 28-02-2023 01:36:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1810, 12.3470 at 23 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
Gambettola FC 7 10660 36456
Gatteo FC 8 9068 45524
Cervia RA 9 28940 74464
Cesena FC 10 96758 171222
Bellaria-Igea Marina RN 10 19519 190741
San Mauro Pascoli FC 10 11690 202431
Savignano sul Rubicone FC 11 17766 220197
Montiano FC 11 1716 221913
Longiano FC 12 7126 229039
Santarcangelo di Romagna RN 15 22089 251128
Roncofreddo FC 16 3386 254514
Borghi FC 17 2843 257357
Bertinoro FC 17 11059 268416
Forlimpopoli FC 18 13290 281706
Sogliano al Rubicone FC 20 3195 284901

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NE of Cesena (96758 inhabitants)
22 Km NW of Rimini (147750 inhabitants)
25 Km E of Forlì (117913 inhabitants)
29 Km SE of Ravenna (159116 inhabitants)
39 Km E of Faenza (58541 inhabitants)
54 Km E of Imola (69797 inhabitants)
54 Km NW of Pesaro (94582 inhabitants)
66 Km NW of Fano (60888 inhabitants)
87 Km E of Bologna (386663 inhabitants)
88 Km NE of Arezzo (99543 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 2.0 2023-02-28
00:36:28		 44.1808 12.3467 23 2024-03-01
17:17:57		 Bollettino Sismico Italiano INGV 114961031
Reviewed
Rev100 		Md 1.8
ML 1.8 		2023-02-28
00:36:29		 44.1115 12.3268 6 2023-02-28
01:07:15		 Sala Sismica INGV-Roma 114869441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-28 00:36:28 ± 0.21
Latitude 44.1808 ± 0.0117
Longitude 12.3467 ± 0.0088
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114961031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1040
Semi-minor axis of confidence ellipse (meter) 796
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 27
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) 0.69248
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.5
Num. used stations 22
Type of magnitude ML
Reference to an origin 114961031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-06 15:29:06

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 114869441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-28 01:07:15

Md:1.8

Field Value
Value 1.8
Uncertainty 0.0
Num. used stations 1
Type of magnitude Md
Reference to an origin 114869441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-28 01:07:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HNZ. 2023-02-28T00:37:48.03 3.0 negative manual Pn 6.26 0
RF.GEPF.HHZ. 2023-02-28T00:37:42.70 3.0 undecidable manual Sn -3.98 0
IV.QLNO.HHZ. 2023-02-28T00:37:18.47 3.0 undecidable manual Pn 1.04 0
OX.SABO.HHZ. 2023-02-28T00:37:12.19 3.0 undecidable manual Pn 0 0
IV.MPAG.EHZ. 2023-02-28T00:36:50.24 0.3 undecidable manual S 152 69.5748 102 0.06 71
IV.PARC.HHZ. 2023-02-28T00:36:47.91 0.3 undecidable manual S 188 59.6958 104 0.29 69
IV.LMD.HHZ. 2023-02-28T00:36:46.08 0.3 undecidable manual S 258 52.2033 106 0.4 69
IV.SFI.EHZ. 2023-02-28T00:36:45.75 0.6 undecidable manual S 233 50.2164 107 0.56 45
IV.PESA.HHZ. 2023-02-28T00:36:44.84 0.3 undecidable manual S 124 47.5191 108 0.35 68
IV.RUFI.EHZ. 2023-02-28T00:36:42.48 0.3 undecidable manual P 241 76.8675 100 0.21 68
IV.PIEI.HHZ. 2023-02-28T00:36:41.18 0.3 undecidable manual P 168 73.1712 101 -0.53 63
IV.CRTC.HNZ. 2023-02-28T00:36:40.15 0.3 undecidable manual P 137 62.6928 103 0.02 72
IV.MPAG.EHZ. 2023-02-28T00:36:40.91 0.1 undecidable manual P 152 69.5748 102 -0.25 91
Y1.T1711.HNZ.01 2023-02-28T00:36:40.46 0.3 undecidable manual S 135 28.0497 122 0.69 63
IV.NARO.HHZ. 2023-02-28T00:36:40.86 0.3 undecidable manual P 163 65.9895 102 0.24 69
Y1.T1743.HNZ. 2023-02-28T00:36:39.57 0.3 undecidable manual P 131 57.0984 105 0.27 69
IV.PARC.HHZ. 2023-02-28T00:36:39.43 0.3 undecidable manual P 188 59.6958 104 -0.25 69
IV.PE3.EHZ. 2023-02-28T00:36:39.09 0.3 undecidable manual P 167 55.1004 105 0.09 72
IV.LMD.HHZ. 2023-02-28T00:36:38.54 0.3 undecidable manual P 258 52.2033 106 -0.03 73
IV.BRIS.HNZ. 2023-02-28T00:36:38.09 0.3 undecidable manual P 276 46.4202 109 0.38 69
Y1.T1756.EHE. 2023-02-28T00:36:38.30 0.3 undecidable manual S 235 23.6541 128 -0.51 69
IV.SFI.EHZ. 2023-02-28T00:36:37.85 0.1 undecidable manual P 233 50.2164 107 -0.43 89
IV.PESA.HHZ. 2023-02-28T00:36:37.73 0.3 undecidable manual P 124 47.5191 108 -0.15 73
Y1.T1718.HNN. 2023-02-28T00:36:36.76 0.1 undecidable manual S 337 9.5793 154 0.36 97
IV.BLLA.EHZ. 2023-02-28T00:36:35.88 0.6 undecidable manual S 113 10.6782 152 -0.66 46
IV.RSM2.HHZ. 2023-02-28T00:36:35.70 0.6 undecidable manual P 164 28.0497 122 0.54 45
IV.BRSN.HNZ. 2023-02-28T00:36:35.20 0.1 undecidable manual P 299 24.0537 127 0.55 91
Y1.T1711.HNZ.01 2023-02-28T00:36:35.01 0.3 undecidable manual P 135 28.0497 122 -0.14 75
Y1.T1756.EHE. 2023-02-28T00:36:34.13 0.1 positive manual P 235 23.6541 128 -0.47 93
Y1.T1718.HNN. 2023-02-28T00:36:32.88 0.1 negative manual P 337 9.5793 154 -0.32 100
IV.BLLA.EHZ. 2023-02-28T00:36:32.61 0.1 undecidable manual P 113 10.6782 152 -0.68 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNN. ML:2.0 0.000248901 0.02 AML other m 2023-02-28T00:36:38.87
IV.MPAG.EHE. ML:1.6 0.000071922775 1.44 AML other m 2023-02-28T00:36:42.02
IV.SFI.EHE. ML:1.6 0.0000868326 1.04 AML other m 2023-02-28T00:36:51.07
IV.PIEI.HHE. ML:1.8 0.0000835103 1.86 AML other m 2023-02-28T00:36:53.98
IV.SFI.HNE. ML:1.8 0.00015755609999999997 0.7 AML other m 2023-02-28T00:36:54.63
IV.SFI.EHN. ML:1.4 0.00006269037 0.48 AML other m 2023-02-28T00:36:54.65
IV.MPAG.HNE. ML:3.0 0.001475557 0.89 AML other m 2023-02-28T00:36:56.01
IV.RUFI.EHE. ML:1.9 0.00011733825 0.46 AML other m 2023-02-28T00:36:58.39
IV.NARO.HHN. ML:1.6 0.000073132235 0.34 AML other m 2023-02-28T00:36:58.47
IV.PIEI.HHN. ML:1.5 0.00005066582 0.74 AML other m 2023-02-28T00:37:03.20
IV.NARO.HHE. ML:1.6 0.00006366098000000001 1.6 AML other m 2023-02-28T00:37:04.04
IV.MPAG.EHN. ML:1.8 0.00009444562 0.68 AML other m 2023-02-28T00:37:04.58
IV.RUFI.EHN. ML:1.6 0.000061356785 0.1 AML other m 2023-02-28T00:37:06.75
IV.PIEI.HNE. ML:2.0 0.00014765945 0.74 AML other m 2023-02-28T00:37:06.78
IV.MPAG.HNN. ML:3.0 0.0017899615 1 AML other m 2023-02-28T00:37:07.17
IV.PIEI.HNN. ML:2.1 0.00017839054999999998 0.76 AML other m 2023-02-28T00:37:09.54
OX.SABO.HHN. ML:2.7 0.0001090114 0.72 AML other m 2023-02-28T00:37:18.33
OX.SABO.HNE. ML:3.6 0.0009000563500000001 0.08 AML other m 2023-02-28T00:37:52.16
OX.SABO.HNN. ML:3.7 0.0011270410000000003 0.06 AML other m 2023-02-28T00:37:52.14
IV.QLNO.HHE. ML:3.2 0.00018108000000000002 0.3 AML other m 2023-02-28T00:37:58.93
OX.SABO.HHE. ML:2.6 0.00008474629 0.22 AML other m 2023-02-28T00:38:10.00
IV.QLNO.HHN. ML:3.1 0.0001458613 0.24 AML other m 2023-02-28T00:38:22.10
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