Earthquake with magnitude of ML 1.2 on date 12-04-2023 and time 19:32:03 (Italy) in region 4 km SE Bagno di Romagna (FC)

A magnitude ML 1.2 earthquake occured in region: 4 km SE Bagno di Romagna (FC), on

  • 12-04-2023 17:32:03 (UTC)
  • 12-04-2023 19:32:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8350, 12.0170 at 9 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bagno di Romagna FC 4 6026 6026
Verghereto FC 4 1907 7933
Casteldelci RN 12 407 8340
Sarsina FC 14 3446 11786
Santa Sofia FC 15 4136 15922
Sant'Agata Feltria RN 16 2151 18073
Chiusi della Verna AR 16 2023 20096
Pieve Santo Stefano AR 19 3183 23279
Badia Tedalda AR 20 1087 24366
Mercato Saraceno FC 20 6886 31252
Galeata FC 20 2516 33768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Cesena (96758 inhabitants)
42 Km N of Arezzo (99543 inhabitants)
43 Km S of Forlì (117913 inhabitants)
51 Km W of Rimini (147750 inhabitants)
51 Km S of Faenza (58541 inhabitants)
61 Km E of Firenze (382808 inhabitants)
63 Km SE of Imola (69797 inhabitants)
67 Km S of Ravenna (159116 inhabitants)
68 Km E of Scandicci (50609 inhabitants)
72 Km W of Pesaro (94582 inhabitants)
74 Km E of Prato (191150 inhabitants)
80 Km NE of Siena (53903 inhabitants)
81 Km W of Fano (60888 inhabitants)
86 Km NW of Perugia (166134 inhabitants)
89 Km E of Pistoia (90315 inhabitants)
91 Km SE of Bologna (386663 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 1.2 2023-04-12
17:32:03
43.8347 12.0172 9 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124772191
Reviewed
Rev100
ML 1.2 2023-04-12
17:32:03
43.8367 12.0177 10 2023-04-12
18:06:39
Sala Sismica INGV-Roma 116318951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-12 17:32:03 ± 0.08
Latitude 43.8347 ± 0.0063
Longitude 12.0172 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124772191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 732
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.14119
Epicentral distance of station farthest from the epicenter (degree) 0.68169
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 116318951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-12 18:06:39

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 124772191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-21 01:45:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2023-04-12T17:32:24.00 0.6 undecidable manual S 111 63.6918 50 0.4 43
IV.NARO.HHZ. 2023-04-12T17:32:20.10 0.6 undecidable manual S 119 51.5151 50 -0.25 46
IV.BRIS.HHZ. 2023-04-12T17:32:20.20 0.6 undecidable manual S 335 47.619 50 0.89 37
IV.PE3.EHZ. 2023-04-12T17:32:18.10 0.3 undecidable manual S 112 41.3253 50 0.47 66
IV.SSFR.HHZ. 2023-04-12T17:32:17.09 0.3 undecidable manual P 125 75.6687 50 0.06 68
IV.VMGN.HHZ. 2023-04-12T17:32:17.70 0.3 undecidable manual S 289 40.9257 50 0.18 71
IV.RUFI.EHZ. 2023-04-12T17:32:17.70 0.3 undecidable manual S 271 40.626 50 0.27 69
IV.LMD.HHZ. 2023-04-12T17:32:16.28 0.3 undecidable manual S 318 36.5412 50 -0.07 73
IV.MPAG.EHZ. 2023-04-12T17:32:15.00 0.3 undecidable manual P 111 63.6918 50 -0.19 68
IV.SEI.HHZ. 2023-04-12T17:32:14.34 0.3 undecidable manual P 295 57.9975 50 0.04 71
IV.CAFI.HHZ. 2023-04-12T17:32:14.08 0.3 undecidable manual P 184 56.1993 50 0.05 71
IV.ATVO.HHZ. 2023-04-12T17:32:14.31 0.3 undecidable manual P 148 59.1963 50 -0.17 69
IV.ATPI.EHZ. 2023-04-12T17:32:13.53 0.3 undecidable manual P 144 52.6029 50 0.05 71
IV.PARC.HHZ. 2023-04-12T17:32:13.50 0.3 undecidable manual S 139 27.2505 108 -0.14 73
IV.PIEI.HHZ. 2023-04-12T17:32:13.12 0.3 undecidable manual P 128 53.2023 50 -0.44 66
IV.CRE.HHZ. 2023-04-12T17:32:13.39 0.6 undecidable manual S 192 24.4533 110 0.64 43
IV.CPGN.EHZ. 2023-04-12T17:32:13.40 0.6 undecidable manual S 99 24.5532 110 0.62 43
IV.BRIS.HHZ. 2023-04-12T17:32:12.67 0.3 undecidable manual P 335 47.619 50 -0.04 72
IV.NARO.HHZ. 2023-04-12T17:32:12.86 0.3 undecidable manual P 119 51.5151 50 -0.45 66
IV.RUFI.EHZ. 2023-04-12T17:32:11.36 0.3 undecidable manual P 271 40.626 50 -0.26 70
IV.PE3.EHZ. 2023-04-12T17:32:11.80 0.3 undecidable manual P 112 41.3253 50 0.06 72
IV.VMGN.HHZ. 2023-04-12T17:32:11.46 0.3 undecidable manual P 289 40.9257 50 -0.21 70
IV.LMD.HHZ. 2023-04-12T17:32:10.44 0.3 undecidable manual P 318 36.5412 50 -0.56 65
IV.SSP9.EHZ. 2023-04-12T17:32:10.57 1.0 undecidable manual P 162 30.3474 107 0.54 22
IV.SFI.EHZ. 2023-04-12T17:32:10.10 0.3 undecidable manual S 300 15.6732 120 0.13 75
IV.CRE.HHZ. 2023-04-12T17:32:09.00 0.1 undecidable manual P 192 24.4533 110 0.08 99
IV.CPGN.EHZ. 2023-04-12T17:32:09.19 0.6 undecidable manual P 99 24.5532 110 0.26 48
IV.PARC.HHZ. 2023-04-12T17:32:09.06 0.1 undecidable manual P 139 27.2505 108 -0.38 93
IV.SFI.EHZ. 2023-04-12T17:32:07.21 0.1 undecidable manual P 300 15.6732 120 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHN. ML:1.2 0.00014700000000000002 1.28 AML other m 2023-04-12T17:32:10.30
IV.SFI.EHE. ML:1.2 0.000155 0.44 AML other m 2023-04-12T17:32:11.07
IV.CRE.HHN. ML:1.5 0.0002055 0.74 AML other m 2023-04-12T17:32:15.47
IV.CRE.HHE. ML:1.2 0.00010355000000000001 0.22 AML other m 2023-04-12T17:32:16.35
IV.LMD.HHE. ML:1.4 0.00009814999999999999 0.18 AML other m 2023-04-12T17:32:16.76
IV.LMD.HHN. ML:1.2 0.00006625 0.32 AML other m 2023-04-12T17:32:17.75
IV.VMGN.HHN. ML:1.0 0.000035699999999999994 0.78 AML other m 2023-04-12T17:32:18.50
IV.VMGN.HHE. ML:1.2 0.000052 0.64 AML other m 2023-04-12T17:32:18.20
IV.BRIS.HHN. ML:1.0 0.00003229999999999999 0.2 AML other m 2023-04-12T17:32:20.53
IV.NARO.HHE. ML:1.0 0.000027499999999999998 1.06 AML other m 2023-04-12T17:32:21.09
IV.NARO.HHN. ML:1.1 0.000032 0.98 AML other m 2023-04-12T17:32:21.87
IV.BRIS.HHE. ML:1.2 0.0000402 0.64 AML other m 2023-04-12T17:32:22.94
IV.PE3.EHE. ML:1.5 0.0001124 0.5 AML other m 2023-04-12T17:32:24.00
IV.CAFI.HNE. ML:1.5 0.00006365 1.34 AML other m 2023-04-12T17:32:25.18
IV.CAFI.HHE. ML:1.2 0.000038150000000000006 0.62 AML other m 2023-04-12T17:32:26.17
IV.SEI.HHN. ML:1.8 0.0001227 1.5 AML other m 2023-04-12T17:32:26.20
IV.SEI.HHE. ML:1.5 0.00007620000000000001 0.46 AML other m 2023-04-12T17:32:27.64
IV.CAFI.HNN. ML:1.4 0.000047799999999999996 1.58 AML other m 2023-04-12T17:32:27.02
IV.CAFI.HHN. ML:1.1 0.0000324 1.66 AML other m 2023-04-12T17:32:27.00
IV.ATVO.HHE. ML:1.3 0.00004165000000000001 1.64 AML other m 2023-04-12T17:32:27.95
IV.ATVO.HHN. ML:1.2 0.0000327 0.6 AML other m 2023-04-12T17:32:28.07
IV.MPAG.EHE. ML:1.0 0.00001865 0.44 AML other m 2023-04-12T17:32:29.47
IV.PE3.EHN. ML:1.4 0.0000816 0.78 AML other m 2023-04-12T17:32:30.22
IV.SSFR.HHN. ML:1.4 0.00003365 0.2 AML other m 2023-04-12T17:32:33.54
IV.SSFR.HHE. ML:1.4 0.00003375 1.28 AML other m 2023-04-12T17:32:34.18
IV.MPAG.EHN. ML:1.0 0.00001935 1.18 AML other m 2023-04-12T17:32:34.99
IV.ATPI.EHE. ML:1.0 0.00002375 0.88 AML other m 2023-04-12T17:32:35.01
IV.ATPI.EHN. ML:1.0 0.0000265 1.2 AML other m 2023-04-12T17:32:35.39
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