Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 11-07-2021 and time 11:47:33 (UTC) in region 4 km E Cesena (FC)

A magnitude ML 2.0 earthquake occured in region: 4 km E Cesena (FC), on

  • 11-07-2021 11:47:33 (UTC)
  • 11-07-2021 13:47:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1520, 12.2870 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
Cesena FC 4 96758 96758
Gambettola FC 6 10660 107418
Montiano FC 8 1716 109134
Longiano FC 9 7126 116260
Gatteo FC 9 9068 125328
Cesenatico FC 10 25796 151124
Savignano sul Rubicone FC 11 17766 168890
San Mauro Pascoli FC 11 11690 180580
Bertinoro FC 12 11059 191639
Roncofreddo FC 12 3386 195025
Cervia RA 13 28940 223965
Forlimpopoli FC 13 13290 237255
Bellaria-Igea Marina RN 14 19519 256774
Borghi FC 14 2843 259617
Santarcangelo di Romagna RN 16 22089 281706
Sogliano al Rubicone FC 16 3195 284901
Meldola FC 18 9970 294871

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km E of Cesena (96758 inhabitants)
21 Km E of Forlì (117913 inhabitants)
25 Km W of Rimini (147750 inhabitants)
30 Km S of Ravenna (159116 inhabitants)
35 Km E of Faenza (58541 inhabitants)
51 Km E of Imola (69797 inhabitants)
57 Km W of Pesaro (94582 inhabitants)
68 Km NW of Fano (60888 inhabitants)
83 Km NE of Arezzo (99543 inhabitants)
84 Km E of Bologna (386663 inhabitants)
93 Km E of Firenze (382808 inhabitants)
93 Km SE of Ferrara (133155 inhabitants)
99 Km E of Scandicci (50609 inhabitants)
100 Km E of Prato (191150 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 2021-07-11
11:47:33		 44.1517 12.2867 21 2021-12-29
11:12:12		 Bollettino Sismico Italiano INGV 92955351
Reviewed
Rev100 		ML 1.9 2021-07-11
11:47:34		 44.1523 12.2847 18 2021-07-11
12:08:36		 Sala Sismica INGV-Roma 92619101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-11 11:47:33 ± 0.15
Latitude 44.1517 ± 0.0081
Longitude 12.2867 ± 0.0088
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 92955351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 916
Semi-minor axis of confidence ellipse (meter) 139
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) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.25635
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 92619101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-11 12:08:36

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 92955351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-31 19:44:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.IMI.HHZ. 2021-07-11T11:49:11.04 3.0 undecidable manual Sn 6.48 0
IV.SPS2.HHZ. 2021-07-11T11:49:09.88 3.0 negative manual Pg 6.07 0
IV.EUCT.HNZ. 2021-07-11T11:48:48.67 3.0 undecidable manual Sn 0.67 0
IV.VCRE.HHZ. 2021-07-11T11:48:42.01 3.0 negative manual Pg 6.37 0
IV.SRES.HHZ. 2021-07-11T11:48:35.68 3.0 undecidable manual Sg -1.64 0
IV.PTRJ.HNZ. 2021-07-11T11:48:21.96 3.0 undecidable manual Pn -7.65 0
IV.RAVA.EHZ. 2021-07-11T11:48:09.27 3.0 undecidable manual S -2.05 0
IV.FRON.EHZ. 2021-07-11T11:47:58.27 0.6 undecidable manual S 153 78.6657 99 0.85 36
IV.FDMO.HHZ. 2021-07-11T11:47:57.15 0.3 undecidable manual P 152 139.4604 95 0.41 56
IV.AOI.HHE. 2021-07-11T11:47:56.30 0.6 undecidable manual P 122 124.5864 95 1.84 18
IV.PIEI.HNN. 2021-07-11T11:47:56.55 0.6 undecidable manual S 164 71.1732 100 1.09 32
IV.RUFI.EHZ. 2021-07-11T11:47:55.57 0.6 undecidable manual S 241 71.0733 100 0.12 47
IV.CRE.HHE. 2021-07-11T11:47:54.47 0.6 undecidable manual S 204 64.8906 101 0.65 41
IV.EL6.EHZ. 2021-07-11T11:47:53.65 0.3 undecidable manual P 144 112.1988 96 1.09 45
IV.RAVA.EHZ. 2021-07-11T11:47:53.53 3.0 negative manual P -2.6 0
IV.CRMI.HHZ. 2021-07-11T11:47:52.68 0.6 undecidable manual P 250 111.5994 96 0.22 42
IV.PARC.HHE. 2021-07-11T11:47:52.16 0.3 undecidable manual S 184 55.8996 103 0.68 61
IV.ASQU.HHZ. 2021-07-11T11:47:51.92 0.6 undecidable manual S 225 55.8996 103 0.45 45
IV.MPPT.EHZ. 2021-07-11T11:47:51.66 0.6 undecidable manual P 258 97.8243 97 1.31 29
IV.PESA.HHE. 2021-07-11T11:47:50.69 0.3 undecidable manual S 118 49.9167 105 0.76 57
IV.LMD.HHZ. 2021-07-11T11:47:49.08 0.3 undecidable manual S 260 46.9197 107 -0.06 72
IV.ARVD.HHE. 2021-07-11T11:47:49.09 0.3 undecidable manual P 144 89.4438 98 0.01 68
IV.SSFR.HHZ. 2021-07-11T11:47:48.95 0.3 undecidable manual P 153 88.7445 98 -0.02 68
IV.COR1.HNN. 2021-07-11T11:47:48.10 0.6 undecidable manual P 135 81.1521 99 0.29 43
IV.ATSC.EHE. 2021-07-11T11:47:48.41 0.6 undecidable manual P 158 86.8464 98 -0.27 44
IV.SFI.HNN. 2021-07-11T11:47:48.69 0.3 undecidable manual S 232 44.5221 108 0.16 73
IV.BRIS.HHZ. 2021-07-11T11:47:48.40 0.6 undecidable manual S 281 42.1245 109 0.46 46
IV.ATPI.EHE. 2021-07-11T11:47:47.53 0.6 undecidable manual P 173 78.366 99 0.15 45
IV.FRON.EHZ. 2021-07-11T11:47:47.48 0.3 undecidable manual P 153 78.6657 99 0.06 69
IV.ATBU.EHZ. 2021-07-11T11:47:47.14 0.1 undecidable manual P 164 77.8665 99 -0.17 90
IV.CPGN.EHZ. 2021-07-11T11:47:47.37 0.6 undecidable manual S 176 39.0276 111 0.23 47
IV.ATMC.EHE. 2021-07-11T11:47:46.96 0.6 undecidable manual P 186 78.5658 99 -0.45 42
IV.ATPC.HHE. 2021-07-11T11:47:46.91 0.3 undecidable manual P 170 75.6687 99 -0.07 70
IV.SEI.HHZ. 2021-07-11T11:47:46.75 0.3 undecidable manual P 262 74.6697 99 -0.08 68
IV.PIEI.HNN. 2021-07-11T11:47:45.72 0.3 undecidable manual P 164 71.1732 100 -0.57 62
IV.MPAG.EHZ. 2021-07-11T11:47:45.29 0.3 undecidable manual P 147 69.1752 100 -0.7 60
IV.APEC.HNN. 2021-07-11T11:47:45.47 0.3 undecidable manual P 171 66.6777 101 -0.14 70
IV.VISG.HHZ. 2021-07-11T11:47:45.73 0.6 undecidable manual P 274 67.9764 101 -0.07 46
IV.SSP9.EHZ. 2021-07-11T11:47:45.04 0.6 undecidable manual P 191 65.2902 101 -0.36 44
IV.CRTC.HNE. 2021-07-11T11:47:45.74 0.6 undecidable manual P 132 63.7917 101 0.56 42
IV.RUFI.EHZ. 2021-07-11T11:47:45.48 0.3 undecidable manual P 241 71.0733 100 -0.8 55
IV.NARO.HHN. 2021-07-11T11:47:45.05 0.3 undecidable manual P 159 64.491 101 -0.22 69
IV.BRSN.EHZ. 2021-07-11T11:47:44.89 0.6 undecidable manual S 312 22.0668 127 1.74 25
IV.CRE.HHE. 2021-07-11T11:47:44.88 0.3 undecidable manual P 204 64.8906 101 -0.46 65
IV.PARC.HHE. 2021-07-11T11:47:43.57 0.3 undecidable manual P 184 55.8996 103 -0.42 67
IV.ASQU.HHZ. 2021-07-11T11:47:43.38 0.3 undecidable manual P 225 55.8996 103 -0.61 62
IV.IMOL.EHZ. 2021-07-11T11:47:43.77 0.6 undecidable manual P 298 49.0176 106 0.81 40
IV.RSM2.HHE. 2021-07-11T11:47:43.91 0.3 undecidable manual S 152 26.8509 121 -0.32 73
IV.PESA.HHE. 2021-07-11T11:47:42.98 0.3 undecidable manual P 118 49.9167 105 -0.12 73
IV.LMD.HHZ. 2021-07-11T11:47:41.84 0.3 undecidable manual P 260 46.9197 107 -0.8 58
IV.BLLA.EHZ. 2021-07-11T11:47:41.40 0.6 undecidable manual S 94 14.6742 141 -0.33 50
IV.BRIS.HHZ. 2021-07-11T11:47:41.57 0.3 undecidable manual P 281 42.1245 109 -0.38 68
IV.CPGN.EHZ. 2021-07-11T11:47:41.74 0.1 undecidable manual P 176 39.0276 111 0.25 95
IV.SFI.HNN. 2021-07-11T11:47:41.66 0.3 undecidable manual P 232 44.5221 108 -0.63 63
IV.RSM2.HHE. 2021-07-11T11:47:39.65 0.1 undecidable manual P 152 26.8509 121 -0.16 100
IV.BRSN.EHZ. 2021-07-11T11:47:39.59 0.6 undecidable manual P 312 22.0668 127 0.41 48
IV.BLLA.EHZ. 2021-07-11T11:47:37.46 0.3 undecidable manual P 94 14.6742 141 -0.9 61
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:2.6 0.0009855 1.34 AML other m 2021-07-11T11:47:50.86
IV.LMD.HHE. ML:2.6 0.0009544999999999999 1.74 AML other m 2021-07-11T11:47:51.11
IV.BRIS.HHN. ML:1.9 0.000221 0.18 AML other m 2021-07-11T11:47:52.44
IV.BRIS.HHE. ML:2.0 0.000254 1.18 AML other m 2021-07-11T11:47:52.40
IV.ASQU.HHE. ML:2.0 0.00022649999999999998 0.34 AML other m 2021-07-11T11:47:53.71
IV.MPPT.EHE. ML:1.6 0.0000404 0.54 AML other m 2021-07-11T11:47:55.74
IV.MPPT.EHN. ML:1.6 0.00003885 0.1 AML other m 2021-07-11T11:47:55.77
IV.ASQU.HHN. ML:1.9 0.00016949999999999997 0.96 AML other m 2021-07-11T11:47:55.47
IV.VISG.HHE. ML:1.5 0.00004935 0.34 AML other m 2021-07-11T11:47:58.78
IV.SEI.HHN. ML:2.5 0.00046950000000000003 0.32 AML other m 2021-07-11T11:47:58.69
IV.VISG.HHN. ML:1.4 0.000039399999999999995 0.34 AML other m 2021-07-11T11:47:58.77
IV.RUFI.EHE. ML:1.9 0.00012675 0.5 AML other m 2021-07-11T11:47:58.96
IV.RUFI.EHN. ML:1.8 0.00008855 0.54 AML other m 2021-07-11T11:47:59.01
IV.SEI.HHE. ML:2.3 0.00028849999999999997 0.94 AML other m 2021-07-11T11:48:00.73
IV.SSFR.HHN. ML:2.3 0.000247 0.2 AML other m 2021-07-11T11:48:07.32
IV.SSFR.HNE. ML:2.4 0.000268 0.9 AML other m 2021-07-11T11:48:08.56
IV.SSFR.HNN. ML:2.4 0.000312 1.24 AML other m 2021-07-11T11:48:08.81
IV.SSFR.HHE. ML:2.3 0.00023549999999999998 0.2 AML other m 2021-07-11T11:48:08.46
IV.CRMI.HHN. ML:1.7 0.0000376 1.36 AML other m 2021-07-11T11:48:10.31
IV.CRMI.HHE. ML:1.4 0.00002035 0.42 AML other m 2021-07-11T11:48:12.52
IV.RAVA.EHE. ML:2.4 0.000195 1.22 AML other m 2021-07-11T11:48:13.33
IV.RAVA.EHN. ML:2.4 0.00017649999999999998 0.78 AML other m 2021-07-11T11:48:14.26
IV.FDMO.HHE. ML:1.8 0.0000405 0.56 AML other m 2021-07-11T11:48:23.40
IV.FDMO.HHN. ML:1.8 0.000032850000000000006 1.32 AML other m 2021-07-11T11:48:29.77
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