Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 17-10-2022 and time 02:54:28 (UTC) in region 4 km S Faenza (RA)

A magnitude ML 1.3 earthquake occured in region: 4 km S Faenza (RA), on

  • 17-10-2022 02:54:28 (UTC)
  • 17-10-2022 04:54:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2500, 11.8900 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
Faenza RA 4 58541 58541
Castrocaro Terme e Terra del Sole FC 10 6426 64967
Brisighella RA 10 7639 72606
Castel Bolognese RA 11 9554 82160
Forlì FC 13 117913 200073
Solarolo RA 13 4488 204561
Modigliana FC 13 4560 209121
Riolo Terme RA 13 5720 214841
Dovadola FC 14 1653 216494
Cotignola RA 16 7474 223968
Bagnara di Romagna RA 16 2429 226397
Mordano BO 18 4760 231157
Russi RA 18 12247 243404
Predappio FC 18 6346 249750
Imola BO 18 69797 319547
Lugo RA 19 32390 351937
Meldola FC 19 9970 361907
Bagnacavallo RA 20 16739 378646

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km S of Faenza (58541 inhabitants)
13 Km W of Forlì (117913 inhabitants)
18 Km SE of Imola (69797 inhabitants)
31 Km W of Cesena (96758 inhabitants)
31 Km SW of Ravenna (159116 inhabitants)
51 Km SE of Bologna (386663 inhabitants)
58 Km W of Rimini (147750 inhabitants)
69 Km SE of Ferrara (133155 inhabitants)
74 Km NE of Firenze (382808 inhabitants)
75 Km NE of Prato (191150 inhabitants)
79 Km NE of Scandicci (50609 inhabitants)
85 Km E of Pistoia (90315 inhabitants)
87 Km N of Arezzo (99543 inhabitants)
88 Km E of Modena (184973 inhabitants)
90 Km W of Pesaro (94582 inhabitants)
92 Km S of Rovigo (51867 inhabitants)
99 Km SE of Carpi (70699 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 2022-10-17
02:54:28		 44.2502 11.8897 26 2024-03-01
15:28:17		 Bollettino Sismico Italiano INGV 113808131
Reviewed
Rev100 		ML 1.3 2022-10-17
02:54:29		 44.2435 11.8662 23 2022-10-17
03:10:11		 Sala Sismica INGV-Roma 110896121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-17 02:54:28 ± 0.28
Latitude 44.2502 ± 0.0099
Longitude 11.8897 ± 0.0138
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113808131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1108
Semi-minor axis of confidence ellipse (meter) 761
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 315
Circular confidence region, given by single value of horizontal uncertainty (meter) 1110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.49463
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 110896121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-17 03:10:11

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 113808131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-11 21:51:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RUFI.EHZ. 2022-10-17T02:54:47.28 0.3 undecidable manual S 214 54.9006 109 0.59 63
IV.SEI.HHZ. 2022-10-17T02:54:45.17 0.3 undecidable manual S 243 47.5191 112 0.32 70
IV.VISG.HHZ. 2022-10-17T02:54:42.32 0.6 undecidable manual S 260 36.8298 118 0.06 50
IV.SFI.EHZ. 2022-10-17T02:54:42.90 0.3 undecidable manual S 185 38.4282 117 0.25 72
IV.BRSN.EHZ. 2022-10-17T02:54:39.13 0.3 undecidable manual S 76 15.5733 145 1.18 53
IV.LMD.HHZ. 2022-10-17T02:54:39.17 0.3 undecidable manual S 217 24.0537 132 -0.29 73
IV.RUFI.EHZ. 2022-10-17T02:54:39.21 0.3 undecidable manual P 214 54.9006 109 0.02 73
IV.SEI.HHZ. 2022-10-17T02:54:38.13 0.3 undecidable manual P 243 47.5191 112 0 74
IV.IMOL.EHZ. 2022-10-17T02:54:38.70 0.3 undecidable manual S 316 16.872 143 0.56 71
IV.MTRZ.HNZ. 2022-10-17T02:54:37.15 0.3 undecidable manual P 281 37.5291 118 0.41 70
IT.FAZ.HNZ. 2022-10-17T02:54:36.84 0.6 undecidable manual S 1 5.2947 167 0.02 53
IV.SFI.EHZ. 2022-10-17T02:54:36.83 0.3 undecidable manual P 185 38.4282 117 -0.03 76
IV.FAEN.HNZ. 2022-10-17T02:54:36.70 0.6 undecidable manual S 347 4.4955 169 -0.07 52
IV.BRIS.HHZ. 2022-10-17T02:54:36.54 0.3 undecidable manual S 254 10.1787 156 -0.69 66
IV.VISG.HHZ. 2022-10-17T02:54:36.70 0.1 undecidable manual P 260 36.8298 118 0.06 100
IV.LMD.HHZ. 2022-10-17T02:54:34.69 0.1 negative manual P 217 24.0537 132 -0.33 97
IV.IMOL.EHZ. 2022-10-17T02:54:34.23 0.3 undecidable manual P 316 16.872 143 -0.03 78
IV.BRSN.EHZ. 2022-10-17T02:54:34.19 0.3 undecidable manual P 76 15.5733 145 0.04 78
IT.FAZ.HNZ. 2022-10-17T02:54:33.07 0.1 undecidable manual P 1 5.2947 167 -0.42 98
IV.FAEN.HNZ. 2022-10-17T02:54:33.01 0.3 undecidable manual P 347 4.4955 169 -0.46 73
IV.BRIS.HHZ. 2022-10-17T02:54:33.26 0.1 undecidable manual P 254 10.1787 156 -0.47 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHE. ML:0.9 0.00004585 1.48 AML other m 2022-10-17T02:54:36.91
IV.BRIS.HHN. ML:1.2 0.00008280000000000001 0.4 AML other m 2022-10-17T02:54:36.94
IV.BRSN.EHN. ML:1.6 0.0002215 0.34 AML other m 2022-10-17T02:54:39.58
IV.LMD.HHE. ML:1.7 0.00023099999999999998 0.16 AML other m 2022-10-17T02:54:39.41
IV.LMD.HHN. ML:2.0 0.0003815 0.16 AML other m 2022-10-17T02:54:39.33
IV.BRSN.EHE. ML:1.8 0.00033099999999999997 0.28 AML other m 2022-10-17T02:54:39.67
IV.SFI.EHE. ML:1.0 0.000032 0.2 AML other m 2022-10-17T02:54:43.65
IV.SFI.EHN. ML:1.1 0.00003275 0.98 AML other m 2022-10-17T02:54:45.04
IV.SEI.HHN. ML:1.4 0.00006230000000000001 0.68 AML other m 2022-10-17T02:54:46.63
IV.SEI.HHE. ML:1.1 0.000032149999999999995 0.38 AML other m 2022-10-17T02:54:46.83
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