Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 03-10-2022 and time 00:11:56 (Italy) in region 4 km SW Faenza (RA)

A magnitude ML 1.4 earthquake occured in region: 4 km SW Faenza (RA), on

  • 02-10-2022 22:11:56 (UTC)
  • 03-10-2022 00:11:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2500, 11.8660 at 25 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
Brisighella RA 8 7639 66180
Castel Bolognese RA 9 9554 75734
Castrocaro Terme e Terra del Sole FC 11 6426 82160
Riolo Terme RA 12 5720 87880
Modigliana FC 12 4560 92440
Solarolo RA 13 4488 96928
Forlì FC 14 117913 214841
Dovadola FC 14 1653 216494
Bagnara di Romagna RA 16 2429 218923
Cotignola RA 16 7474 226397
Imola BO 17 69797 296194
Mordano BO 17 4760 300954
Predappio FC 19 6346 307300
Russi RA 19 12247 319547
Casola Valsenio RA 20 2617 322164
Lugo RA 20 32390 354554

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km SW of Faenza (58541 inhabitants)
14 Km W of Forlì (117913 inhabitants)
17 Km SE of Imola (69797 inhabitants)
33 Km SW of Ravenna (159116 inhabitants)
33 Km W of Cesena (96758 inhabitants)
50 Km SE of Bologna (386663 inhabitants)
60 Km W of Rimini (147750 inhabitants)
68 Km SE of Ferrara (133155 inhabitants)
72 Km NE of Firenze (382808 inhabitants)
74 Km NE of Prato (191150 inhabitants)
77 Km NE of Scandicci (50609 inhabitants)
83 Km E of Pistoia (90315 inhabitants)
87 Km SE of Modena (184973 inhabitants)
87 Km N of Arezzo (99543 inhabitants)
92 Km S of Rovigo (51867 inhabitants)
92 Km W of Pesaro (94582 inhabitants)
98 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 1.4 2022-10-02
22:11:56		 44.2497 11.8658 25 2024-03-01
15:28:03		 Bollettino Sismico Italiano INGV 112030401
Reviewed
Rev100 		ML 1.5 2022-10-02
22:11:56		 44.2517 11.8648 26 2022-10-02
22:17:29		 Sala Sismica INGV-Roma 110436371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-02 22:11:56 ± 0.26
Latitude 44.2497 ± 0.0099
Longitude 11.8658 ± 0.0176
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 112030401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1444
Semi-minor axis of confidence ellipse (meter) 732
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 298
Circular confidence region, given by single value of horizontal uncertainty (meter) 1440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.48473
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 112030401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-20 11:40:37

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 110436371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-02 22:17:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2022-10-02T22:12:10.08 0.3 undecidable manual S 182 38.3283 117 0.31 68
IV.BRSN.EHZ. 2022-10-02T22:12:06.04 0.6 undecidable manual S 77 17.4714 141 0.66 42
IV.LMD.HHZ. 2022-10-02T22:12:06.38 0.1 undecidable manual S 214 22.8549 133 0.01 100
IV.RUFI.EHZ. 2022-10-02T22:12:06.45 0.1 negative manual P 212 53.8017 109 0.23 91
IV.IMOL.EHZ. 2022-10-02T22:12:05.62 0.3 undecidable manual S 321 15.6732 144 0.53 69
IT.FAZ.HNZ. 2022-10-02T22:12:04.07 0.3 undecidable manual S 20 5.6943 166 0.11 75
IV.FAEN.HNZ. 2022-10-02T22:12:03.89 0.3 undecidable manual S 11 4.4955 169 0 77
IV.BRIS.HHZ. 2022-10-02T22:12:03.71 0.3 undecidable manual S 251 8.3805 160 -0.46 70
IV.SFI.EHZ. 2022-10-02T22:12:03.96 0.1 positive manual P 182 38.3283 117 -0.05 97
IV.VISG.HHZ. 2022-10-02T22:12:03.89 0.3 undecidable manual P 259 34.9428 120 0.33 70
IV.IMOL.EHZ. 2022-10-02T22:12:01.46 0.1 negative manual P 321 15.6732 144 0.15 99
IV.BRSN.EHZ. 2022-10-02T22:12:01.39 0.1 positive manual P 77 17.4714 141 -0.09 100
IV.LMD.HHZ. 2022-10-02T22:12:01.87 0.1 negative manual P 214 22.8549 133 -0.18 97
IV.FAEN.HNZ. 2022-10-02T22:12:00.26 0.3 undecidable manual P 11 4.4955 169 -0.36 72
IT.FAZ.HNZ. 2022-10-02T22:12:00.29 0.1 positive manual P 20 5.6943 166 -0.37 96
IV.BRIS.HHZ. 2022-10-02T22:12:00.45 0.1 positive manual P 251 8.3805 160 -0.33 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHE. ML:1.0 0.00006245 1.36 AML other m 2022-10-02T22:12:04.11
IV.BRIS.HNE. ML:1.6 0.00021253285 0.4864 AML other m 2022-10-02T22:12:04.36
IV.BRIS.HHN. ML:1.2 0.0000922 1.58 AML other m 2022-10-02T22:12:04.93
IV.IMOL.HNE. ML:1.6 0.00021546905 0.256 AML other m 2022-10-02T22:12:06.40
IV.IMOL.HNN. ML:1.6 0.00020012991 0.1536 AML other m 2022-10-02T22:12:06.63
IV.LMD.HHE. ML:1.8 0.000289 0.16 AML other m 2022-10-02T22:12:06.61
IV.LMD.HHN. ML:2.0 0.00045799999999999997 0.18 AML other m 2022-10-02T22:12:06.52
IV.BRSN.EHE. ML:2.0 0.000477 0.28 AML other m 2022-10-02T22:12:06.71
IV.BRSN.EHN. ML:1.8 0.00029049999999999996 1.68 AML other m 2022-10-02T22:12:07.96
IV.SFI.EHE. ML:1.2 0.000046200000000000005 0.18 AML other m 2022-10-02T22:12:10.94
IV.VISG.HHE. ML:0.8 0.00001905 1.24 AML other m 2022-10-02T22:12:11.16
IV.VISG.HHN. ML:0.9 0.000023449999999999997 1.12 AML other m 2022-10-02T22:12:11.94
IV.SFI.EHN. ML:1.2 0.000047600000000000005 0.88 AML other m 2022-10-02T22:12:12.24
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