Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 10-10-2020 and time 21:22:02 (Italy) in region 2 km NE Rocca San Casciano (FC)

A magnitude ML 1.9 earthquake occured in region: 2 km NE Rocca San Casciano (FC), on

  • 10-10-2020 19:22:02 (UTC)
  • 10-10-2020 21:22:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0740, 11.8650 at 26 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
Rocca San Casciano FC 2 1910 1910
Dovadola FC 6 1653 3563
Portico e San Benedetto FC 9 756 4319
Galeata FC 9 2516 6835
Civitella di Romagna FC 10 3786 10621
Tredozio FC 10 1212 11833
Predappio FC 10 6346 18179
Modigliana FC 11 4560 22739
Premilcuore FC 13 799 23538
Castrocaro Terme e Terra del Sole FC 13 6426 29964
Santa Sofia FC 15 4136 34100
Meldola FC 17 9970 44070
Brisighella RA 18 7639 51709

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Forlì (117913 inhabitants)
24 Km S of Faenza (58541 inhabitants)
31 Km W of Cesena (96758 inhabitants)
33 Km SE of Imola (69797 inhabitants)
47 Km SW of Ravenna (159116 inhabitants)
56 Km W of Rimini (147750 inhabitants)
59 Km NE of Firenze (382808 inhabitants)
63 Km SE of Bologna (386663 inhabitants)
65 Km E of Prato (191150 inhabitants)
65 Km NE of Scandicci (50609 inhabitants)
68 Km N of Arezzo (99543 inhabitants)
77 Km E of Pistoia (90315 inhabitants)
86 Km W of Pesaro (94582 inhabitants)
87 Km S of Ferrara (133155 inhabitants)
94 Km NE of Siena (53903 inhabitants)
96 Km W of Fano (60888 inhabitants)
98 Km SE of Modena (184973 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 1.9 2020-10-10
19:22:02		 44.0745 11.8653 26 2021-02-26
14:56:04		 Bollettino Sismico Italiano INGV 84637021
Reviewed
Rev100 		ML 2.0 2020-10-10
19:22:02		 44.0712 11.8673 25 2020-10-10
19:38:52		 Sala Sismica INGV-Roma 83685851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-10 19:22:02 ± 0.13
Latitude 44.0745 ± 0.0072
Longitude 11.8653 ± 0.0088
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84637021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 808
Semi-minor axis of confidence ellipse (meter) 288
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 53
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) 1.38046
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 64
Type of magnitude ML
Reference to an origin 83685851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-10 19:38:52

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 84637021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-04 14:53:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2020-10-10T19:23:23.32 3.0 undecidable manual Sn 1.92 0
IV.RM33.EHZ. 2020-10-10T19:22:59.26 3.0 undecidable manual Sn 0.31 0
IV.MILN.HHZ. 2020-10-10T19:22:50.15 3.0 undecidable manual Pg 8.36 0
IV.SMA1.EHZ. 2020-10-10T19:22:34.07 3.0 undecidable manual P 0
IV.CAFI.HHZ. 2020-10-10T19:22:28.39 0.6 undecidable manual S 174 83.0502 102 0.84 36
IV.FDMO.HHZ. 2020-10-10T19:22:27.50 0.3 undecidable manual P 139 151.3374 54 0.89 47
IV.CSNT.HHZ. 2020-10-10T19:22:27.69 0.6 undecidable manual S 215 81.0522 102 0.65 40
IV.CSP1.EHZ. 2020-10-10T19:22:27.93 0.3 undecidable manual P 135 153.2355 54 1.09 43
IV.CRMI.HHZ. 2020-10-10T19:22:26.20 0.6 undecidable manual S 247 77.2671 103 0.17 46
IV.PE3.EHZ. 2020-10-10T19:22:24.34 0.6 undecidable manual S 130 65.5899 106 1.31 30
IV.MGAB.HHZ. 2020-10-10T19:22:23.01 0.3 undecidable manual P 171 130.3695 54 -1 47
IV.MPPT.EHN. 2020-10-10T19:22:23.36 0.6 undecidable manual S 258 63.1923 106 0.96 37
IV.SSP9.EHZ. 2020-10-10T19:22:22.66 0.6 undecidable manual S 159 59.496 107 1.2 32
IV.PARC.HHZ. 2020-10-10T19:22:21.01 0.6 undecidable manual S 148 55.8996 109 0.46 44
IV.ARVD.HHZ. 2020-10-10T19:22:20.58 0.3 undecidable manual P 126 107.3148 99 -0.07 67
IV.PII.HHZ. 2020-10-10T19:22:20.64 0.3 undecidable manual P 250 114.0969 98 -1.03 47
IV.MURB.HHZ. 2020-10-10T19:22:20.54 0.3 undecidable manual P 149 104.4177 99 0.34 63
IV.CRE.HHZ. 2020-10-10T19:22:19.58 0.6 undecidable manual S 172 51.0156 111 0.26 47
IV.ATMI.HHZ. 2020-10-10T19:22:18.48 0.3 undecidable manual P 158 88.245 101 0.73 57
IV.PESA.HHZ. 2020-10-10T19:22:17.11 0.3 undecidable manual P 100 79.1652 103 0.73 59
IV.ATVO.HHZ. 2020-10-10T19:22:17.50 0.3 undecidable manual P 150 88.245 101 -0.25 67
IV.MPAG.EHZ. 2020-10-10T19:22:17.09 0.3 undecidable manual P 124 86.9463 101 -0.46 64
IV.CSNT.HHZ. 2020-10-10T19:22:16.80 0.1 negative manual P 215 81.0522 102 0.13 92
IV.SEI.HHZ. 2020-10-10T19:22:16.47 0.6 undecidable manual S 267 40.4262 116 -0.26 48
IV.RUFI.EHE. 2020-10-10T19:22:16.48 0.6 undecidable manual S 227 38.628 118 0.17 49
IV.CAFI.HHZ. 2020-10-10T19:22:16.59 0.3 undecidable manual P 174 83.0502 102 -0.38 66
IV.ATPI.EHZ. 2020-10-10T19:22:16.39 0.3 undecidable manual P 148 81.4518 102 -0.34 67
IV.VISG.HHZ. 2020-10-10T19:22:15.98 0.6 undecidable manual S 290 36.6411 119 0.16 50
IV.RONT.HHZ. 2020-10-10T19:22:15.93 0.6 undecidable manual S 256 35.6421 120 0.33 48
IV.CRMI.HHZ. 2020-10-10T19:22:15.92 0.3 undecidable manual P 247 77.2671 103 -0.17 69
IV.NARO.HHZ. 2020-10-10T19:22:15.50 0.3 undecidable manual P 132 76.9674 103 -0.55 64
IV.BADI.EHZ. 2020-10-10T19:22:14.38 0.3 undecidable manual P 154 69.5748 105 -0.57 64
IV.ASQU.HHZ. 2020-10-10T19:22:14.87 0.6 undecidable manual S 191 31.4463 124 0.23 49
IV.FNVD.HHZ. 2020-10-10T19:22:14.42 0.3 undecidable manual P 280 59.9955 107 0.89 58
IV.PE3.EHZ. 2020-10-10T19:22:14.20 0.1 undecidable manual P 130 65.5899 106 -0.16 95
IV.RINC.HHZ. 2020-10-10T19:22:14.34 0.6 undecidable manual S 225 29.3484 126 0.16 50
IV.MPPT.EHN. 2020-10-10T19:22:14.17 0.1 undecidable manual P 258 63.1923 106 0.18 95
IV.MOCL.EHZ. 2020-10-10T19:22:13.19 0.3 undecidable manual P 262 55.1004 109 0.38 69
IV.BRIS.HHZ. 2020-10-10T19:22:12.51 0.6 undecidable manual S 335 18.3705 141 0.46 49
IV.PARC.HHZ. 2020-10-10T19:22:12.27 0.1 undecidable manual P 148 55.8996 109 -0.65 85
IV.SFI.EHZ. 2020-10-10T19:22:12.01 0.6 undecidable manual S 184 18.87 140 -0.12 52
IV.SSP9.EHZ. 2020-10-10T19:22:12.97 0.3 undecidable manual P 159 59.496 107 -0.48 67
IV.RSM2.HHE. 2020-10-10T19:22:12.19 0.3 undecidable manual P 108 48.7179 112 0.31 71
IV.CRE.HHZ. 2020-10-10T19:22:11.66 0.1 undecidable manual P 172 51.0156 111 -0.56 89
IV.MTRZ.HHN. 2020-10-10T19:22:11.54 0.3 undecidable manual P 307 43.9227 114 0.34 72
IV.CPGN.EHZ. 2020-10-10T19:22:11.77 0.3 undecidable manual P 130 47.3193 112 0.09 74
IV.IMOL.EHZ. 2020-10-10T19:22:10.19 0.3 undecidable manual P 343 33.1446 122 0.46 71
IV.SEI.HHZ. 2020-10-10T19:22:10.48 0.3 undecidable manual P 267 40.4262 116 -0.25 73
IV.RUFI.EHE. 2020-10-10T19:22:10.18 0.1 undecidable manual P 227 38.628 118 -0.3 97
IV.FAEN.HNZ. 2020-10-10T19:22:09.04 0.3 undecidable manual P 2 23.8539 132 0.44 73
IV.BRSN.EHZ. 2020-10-10T19:22:09.31 0.3 undecidable manual P 36 28.8489 126 0.12 77
IV.ASQU.HHZ. 2020-10-10T19:22:09.15 0.1 positive manual P 191 31.4463 124 -0.36 97
IV.RONT.HHZ. 2020-10-10T19:22:09.93 0.1 undecidable manual P 256 35.6421 120 -0.14 100
IV.VISG.HHZ. 2020-10-10T19:22:09.61 0.1 undecidable manual P 290 36.6411 119 -0.58 88
IV.RINC.HHZ. 2020-10-10T19:22:09.02 0.1 positive manual P 225 29.3484 126 -0.23 100
IV.BRIS.HHZ. 2020-10-10T19:22:07.62 0.1 negative manual P 335 18.3705 141 -0.4 97
IV.SFI.EHZ. 2020-10-10T19:22:07.49 0.1 positive manual P 184 18.87 140 -0.57 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:2.1 0.000625 0.3 AML other m 2020-10-10T19:22:12.30
IV.SFI.HNE. ML:2.1 0.0006094999999999999 0.3 AML other m 2020-10-10T19:22:12.30
IV.SFI.HNN. ML:2.0 0.0004945 0.34 AML other m 2020-10-10T19:22:12.45
IV.SFI.EHN. ML:2.0 0.0005034999999999999 0.34 AML other m 2020-10-10T19:22:12.45
IV.BRIS.HHN. ML:2.3 0.0009315 0.34 AML other m 2020-10-10T19:22:12.74
IV.BRIS.HHE. ML:2.1 0.00065838175 0.2816 AML other m 2020-10-10T19:22:12.78
IV.RINC.HHE. ML:2.3 0.000794 1.2 AML other m 2020-10-10T19:22:14.83
IV.RINC.HHN. ML:2.0 0.00034752205000000003 0.3456 AML other m 2020-10-10T19:22:14.78
IV.ASQU.HHE. ML:2.0 0.000314 0.28 AML other m 2020-10-10T19:22:15.17
IV.ASQU.HHN. ML:1.9 0.000282 0.78 AML other m 2020-10-10T19:22:15.45
IV.VISG.HHE. ML:1.9 0.00023549999999999998 0.38 AML other m 2020-10-10T19:22:16.61
IV.RONT.HHE. ML:2.0 0.00031090299999999996 0.2176 AML other m 2020-10-10T19:22:16.75
IV.RONT.HHN. ML:2.0 0.00033499999999999996 0.2 AML other m 2020-10-10T19:22:16.90
IV.VISG.HHN. ML:2.0 0.00031899999999999995 0.22 AML other m 2020-10-10T19:22:17.41
IV.SEI.HHN. ML:2.1 0.00033370030000000003 0.3712 AML other m 2020-10-10T19:22:17.64
IV.SEI.HHE. ML:2.0 0.00025392375 0.3584 AML other m 2020-10-10T19:22:17.57
IV.IMOL.HNN. ML:2.0 0.00035908949999999994 0.2304 AML other m 2020-10-10T19:22:18.37
IV.CRE.HHE. ML:1.8 0.000142065 0.32 AML other m 2020-10-10T19:22:20.28
IV.CRE.HHN. ML:1.9 0.00016145009999999997 0.192 AML other m 2020-10-10T19:22:20.44
IV.PARC.HHN. ML:1.8 0.00011599999999999999 0.82 AML other m 2020-10-10T19:22:21.48
IV.MOCL.EHE. ML:1.6 0.0000891613 0.64 AML other m 2020-10-10T19:22:22.08
IV.MOCL.EHN. ML:1.7 0.00009944999999999999 0.46 AML other m 2020-10-10T19:22:22.37
IV.SSP9.EHE. ML:1.5 0.000061370525 0.2688 AML other m 2020-10-10T19:22:22.84
IV.SSP9.EHN. ML:1.7 0.000086199605 0.8064 AML other m 2020-10-10T19:22:22.89
IV.PE3.EHE. ML:2.6 0.0006763973 0.576 AML other m 2020-10-10T19:22:26.44
IV.PE3.EHN. ML:2.4 0.00044986070000000003 0.32 AML other m 2020-10-10T19:22:26.66
IV.CRMI.HHE. ML:1.3 0.0000309 1.04 AML other m 2020-10-10T19:22:27.04
IV.CRMI.HHN. ML:1.2 0.000019795689999999997 0.256 AML other m 2020-10-10T19:22:27.19
IV.BADI.EHN. ML:2.1 0.000179 0.28 AML other m 2020-10-10T19:22:27.63
IV.BADI.EHE. ML:2.1 0.000183 0.72 AML other m 2020-10-10T19:22:28.59
IV.CSNT.HHN. ML:1.8 0.00007515 0.44 AML other m 2020-10-10T19:22:28.11
IV.CSNT.HHE. ML:1.6 0.000056833425 0.704 AML other m 2020-10-10T19:22:28.57
IV.CAFI.HHE. ML:1.6 0.000054449999999999995 1.24 AML other m 2020-10-10T19:22:29.04
IV.NARO.HHE. ML:1.9 0.00010899999999999999 0.24 AML other m 2020-10-10T19:22:30.59
IV.PESA.HHE. ML:2.2 0.0002225 1.24 AML other m 2020-10-10T19:22:30.35
IV.ATVO.HHE. ML:1.8 0.000080053205 0.6784 AML other m 2020-10-10T19:22:31.15
IV.ATVO.HHN. ML:1.8 0.000075071385 0.3968 AML other m 2020-10-10T19:22:32.67
IV.MGAB.HHE. ML:2.0 0.00006595246500000001 0.5376 AML other m 2020-10-10T19:22:40.25
IV.MGAB.HHN. ML:2.1 0.000075631545 0.768 AML other m 2020-10-10T19:22:40.05
IV.RM33.EHE. ML:2.0 0.00002885 1.58 AML other m 2020-10-10T19:23:01.84
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
Waveforms Seismic signals in miniseed + resp format Download