Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 19-04-2023 and time 03:52:09 (Italy) in region 5 km NW Bagno di Romagna (FC)

A magnitude ML 1.9 earthquake occured in region: 5 km NW Bagno di Romagna (FC), on

  • 19-04-2023 01:52:09 (UTC)
  • 19-04-2023 03:52:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8840, 11.9300 at 13 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
Bagno di Romagna FC 5 6026 6026
Santa Sofia FC 7 4136 10162
Verghereto FC 12 1907 12069
Galeata FC 13 2516 14585
Civitella di Romagna FC 14 3786 18371
Premilcuore FC 16 799 19170
Sarsina FC 17 3446 22616
Pratovecchio Stia AR 20 5845 28461
Portico e San Benedetto FC 20 756 29217

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Cesena (96758 inhabitants)
39 Km S of Forlì (117913 inhabitants)
45 Km S of Faenza (58541 inhabitants)
47 Km N of Arezzo (99543 inhabitants)
55 Km W of Rimini (147750 inhabitants)
55 Km SE of Imola (69797 inhabitants)
55 Km E of Firenze (382808 inhabitants)
62 Km E of Scandicci (50609 inhabitants)
63 Km SW of Ravenna (159116 inhabitants)
67 Km E of Prato (191150 inhabitants)
79 Km W of Pesaro (94582 inhabitants)
79 Km NE of Siena (53903 inhabitants)
81 Km E of Pistoia (90315 inhabitants)
83 Km SE of Bologna (386663 inhabitants)
88 Km W of Fano (60888 inhabitants)
94 Km NW of Perugia (166134 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 2023-04-19
01:52:09		 43.884 11.9297 13 2024-03-01
17:18:12		 Bollettino Sismico Italiano INGV 118801761
Reviewed
Rev100 		ML 1.9 2023-04-19
01:52:09		 43.8857 11.9242 15 2023-04-19
02:11:35		 Sala Sismica INGV-Roma 116499771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-19 01:52:09 ± 0.07
Latitude 43.8840 ± 0.0054
Longitude 11.9297 ± 0.0062
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118801761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 676
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 1.21768
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 116499771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-19 02:11:35

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 118801761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-17 16:44:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-04-19T01:52:31.83 0.3 undecidable manual P 130 135.1647 91 0.01 60
IV.ATVO.HHZ. 2023-04-19T01:52:30.82 0.3 undecidable manual S 145 67.5768 92 0.74 57
IV.ATMI.HHZ. 2023-04-19T01:52:30.52 0.3 undecidable manual S 156 66.7776 92 0.66 59
IV.PII.HHZ. 2023-04-19T01:52:29.03 0.6 undecidable manual P 261 113.8971 91 0.49 38
IV.ATPI.EHZ. 2023-04-19T01:52:28.89 0.6 undecidable manual S 142 61.1943 92 0.51 42
IV.CAFI.HHZ. 2023-04-19T01:52:28.85 0.6 undecidable manual S 177 61.5939 92 0.36 43
IV.NARO.HHZ. 2023-04-19T01:52:28.10 0.6 undecidable manual S 120 60.2952 92 -0.04 46
IV.MGAB.HHZ. 2023-04-19T01:52:28.25 0.3 undecidable manual P 172 108.8133 91 0.5 57
IV.PIEI.HHZ. 2023-04-19T01:52:28.46 0.6 undecidable manual S 128 62.0934 92 -0.14 45
IV.ASSB.HHZ. 2023-04-19T01:52:27.47 1.0 undecidable manual P 148 110.3118 91 -0.52 19
IV.PE3.EHZ. 2023-04-19T01:52:26.23 0.6 undecidable manual S 114 49.9167 93 0.86 37
IV.ATCC.EHZ. 2023-04-19T01:52:26.54 0.3 undecidable manual P 143 96.3258 91 0.7 54
IV.BRSN.EHZ. 2023-04-19T01:52:26.25 0.6 undecidable manual S 15 46.0206 93 1.93 20
IV.APEC.HHZ. 2023-04-19T01:52:26.53 0.6 undecidable manual S 132 53.4021 93 0.24 45
IV.VISG.HHZ. 2023-04-19T01:52:26.08 0.6 undecidable manual S 311 52.0035 93 0.16 45
IV.BADI.EHZ. 2023-04-19T01:52:25.26 0.6 undecidable manual S 149 48.618 93 0.25 45
IV.SEI.HHZ. 2023-04-19T01:52:25.29 0.6 undecidable manual S 293 49.3173 93 0.08 46
IV.ARVD.HHZ. 2023-04-19T01:52:24.62 0.6 undecidable manual P 117 91.7415 91 -0.52 39
IV.BOSL.HHZ. 2023-04-19T01:52:24.07 0.3 undecidable manual S 277 44.7219 93 0.1 70
IV.MURB.HHZ. 2023-04-19T01:52:24.67 0.6 undecidable manual P 145 83.8494 91 0.75 36
IV.SSFR.HHZ. 2023-04-19T01:52:23.32 0.6 undecidable manual P 126 84.5487 91 -0.71 37
IV.BRIS.HHZ. 2023-04-19T01:52:23.11 0.6 undecidable manual S 341 39.9267 94 0.4 44
IV.SSP9.EHZ. 2023-04-19T01:52:22.28 0.6 undecidable manual S 155 38.0286 94 0.08 48
IV.CPGN.EHZ. 2023-04-19T01:52:22.09 0.6 undecidable manual S 106 32.6451 95 1.34 31
IV.MTRZ.HHZ. 2023-04-19T01:52:21.40 0.3 undecidable manual P 320 62.2932 92 0.81 55
IV.PARC.HHZ. 2023-04-19T01:52:21.45 0.6 undecidable manual S 136 36.0417 95 -0.2 46
IV.ATMI.HHZ. 2023-04-19T01:52:21.34 0.3 undecidable manual P 156 66.7776 92 0.05 68
IV.CSNT.HHZ. 2023-04-19T01:52:21.93 0.3 undecidable manual P 229 68.5758 92 0.36 64
IV.MPAG.EHZ. 2023-04-19T01:52:21.55 1.0 undecidable manual P 113 72.2721 92 -0.58 20
IV.RUFI.EHN. 2023-04-19T01:52:21.05 0.6 undecidable manual S 262 33.9438 95 -0.07 48
IV.OSSC.HHZ. 2023-04-19T01:52:21.93 0.3 undecidable manual P 234 67.8765 92 0.48 62
IV.ATVO.HHZ. 2023-04-19T01:52:21.11 0.3 undecidable manual P 145 67.5768 92 -0.3 64
IV.ATPI.EHZ. 2023-04-19T01:52:20.15 0.6 undecidable manual P 142 61.1943 92 -0.28 44
IV.CAFI.HHZ. 2023-04-19T01:52:20.33 0.3 undecidable manual P 177 61.5939 92 -0.16 67
IV.VMGN.HHZ. 2023-04-19T01:52:20.80 0.6 undecidable manual S 284 32.6451 95 0.03 48
IV.BLLA.EHE. 2023-04-19T01:52:19.48 0.6 undecidable manual P 56 51.8037 93 0.5 43
IV.PIEI.HHZ. 2023-04-19T01:52:19.81 0.6 undecidable manual P 128 62.0934 92 -0.75 37
IV.CRE.HHZ. 2023-04-19T01:52:19.97 0.6 undecidable manual S 177 29.4483 96 0.05 49
IV.NARO.HHZ. 2023-04-19T01:52:19.52 0.3 undecidable manual P 120 60.2952 92 -0.77 56
IV.VISG.HHZ. 2023-04-19T01:52:18.64 0.1 undecidable manual P 311 52.0035 93 -0.37 88
IV.LMD.HHZ. 2023-04-19T01:52:18.99 0.6 undecidable manual S 320 27.8499 97 -0.5 45
IV.PE3.EHZ. 2023-04-19T01:52:18.37 0.1 undecidable manual P 114 49.9167 93 -0.32 88
IV.BRSN.EHZ. 2023-04-19T01:52:18.30 0.1 negative manual P 15 46.0206 93 0.22 91
IT.FAZ.HNZ. 2023-04-19T01:52:18.52 0.3 undecidable manual P 356 46.0206 93 0.43 65
IV.APEC.HHZ. 2023-04-19T01:52:18.72 0.1 undecidable manual P 132 53.4021 93 -0.5 84
IV.SEI.HHZ. 2023-04-19T01:52:18.27 0.1 undecidable manual P 293 49.3173 93 -0.33 89
IV.BADI.EHZ. 2023-04-19T01:52:17.97 0.1 undecidable manual P 149 48.618 93 -0.52 84
IV.BOSL.HHZ. 2023-04-19T01:52:17.88 0.3 undecidable manual P 277 44.7219 93 0 72
IV.RSM2.HHE. 2023-04-19T01:52:17.58 0.6 undecidable manual P 82 41.625 94 0.17 47
IV.BRIS.HHZ. 2023-04-19T01:52:16.88 0.6 positive manual P 341 39.9267 94 -0.28 46
IV.RUFI.EHN. 2023-04-19T01:52:16.12 0.1 undecidable manual P 262 33.9438 95 -0.12 96
IV.PARC.HHZ. 2023-04-19T01:52:16.00 0.1 negative manual P 136 36.0417 95 -0.55 85
IV.CPGN.EHZ. 2023-04-19T01:52:16.01 0.3 undecidable manual P 106 32.6451 95 -0.02 73
IV.SSP9.EHZ. 2023-04-19T01:52:16.47 0.6 undecidable manual P 155 38.0286 94 -0.39 45
IV.VMGN.HHZ. 2023-04-19T01:52:15.91 0.1 negative manual P 284 32.6451 95 -0.13 96
IV.CRE.HHZ. 2023-04-19T01:52:15.34 0.1 positive manual P 177 29.4483 96 -0.21 94
IV.SFI.EHE. 2023-04-19T01:52:14.63 0.6 undecidable manual S 289 6.993 144 0.13 49
IV.LMD.HHZ. 2023-04-19T01:52:14.67 0.1 negative manual P 320 27.8499 97 -0.63 85
IV.SFI.EHE. 2023-04-19T01:52:12.29 0.1 undecidable manual P 289 6.993 144 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:2.3 0.0009645 0.14 AML other m 2023-04-19T01:52:19.26
IV.LMD.HHE. ML:2.2 0.0007384999999999999 0.34 AML other m 2023-04-19T01:52:19.27
IV.CRE.HHN. ML:2.6 0.001715 0.22 AML other m 2023-04-19T01:52:20.88
IV.CRE.HHE. ML:2.1 0.000605 0.16 AML other m 2023-04-19T01:52:20.81
IV.VMGN.HHE. ML:1.9 0.0003145 1.56 AML other m 2023-04-19T01:52:20.21
IV.VMGN.HHN. ML:1.7 0.000208 1.18 AML other m 2023-04-19T01:52:21.11
IV.PARC.HHE. ML:1.8 0.00023099999999999998 1.7 AML other m 2023-04-19T01:52:22.92
IV.SSP9.EHE. ML:2.0 0.00034250000000000003 0.42 AML other m 2023-04-19T01:52:22.98
IV.SSP9.EHN. ML:2.1 0.000423 0.38 AML other m 2023-04-19T01:52:23.38
IV.BRIS.HHN. ML:1.8 0.0001985 0.42 AML other m 2023-04-19T01:52:23.57
IV.BRIS.HNN. ML:2.1 0.0004515 1.12 AML other m 2023-04-19T01:52:23.37
IV.BRIS.HHE. ML:1.8 0.00023999999999999998 1.58 AML other m 2023-04-19T01:52:24.95
IV.BRIS.HNE. ML:2.2 0.0005940000000000001 1.58 AML other m 2023-04-19T01:52:24.96
IV.BOSL.HHE. ML:1.1 0.00003485 0.26 AML other m 2023-04-19T01:52:24.33
IV.BOSL.HHN. ML:1.3 0.00005345 0.3 AML other m 2023-04-19T01:52:24.30
IV.PARC.HHN. ML:2.0 0.000358 0.32 AML other m 2023-04-19T01:52:24.58
IV.BADI.EHE. ML:2.1 0.00035150000000000003 0.2 AML other m 2023-04-19T01:52:26.20
IV.BADI.EHN. ML:2.1 0.0003125 1.68 AML other m 2023-04-19T01:52:27.12
IV.SEI.HHE. ML:2.0 0.0002725 1.56 AML other m 2023-04-19T01:52:28.84
IV.PIEI.HHN. ML:1.4 0.00005135 0.76 AML other m 2023-04-19T01:52:29.39
IV.PIEI.HHE. ML:1.5 0.00006709999999999999 0.76 AML other m 2023-04-19T01:52:29.39
IV.SEI.HHN. ML:2.0 0.0002665 0.86 AML other m 2023-04-19T01:52:29.55
IV.APEC.HHE. ML:1.8 0.000155 0.3 AML other m 2023-04-19T01:52:29.15
IV.ATPI.EHN. ML:1.9 0.00015250000000000002 0.24 AML other m 2023-04-19T01:52:29.57
IV.ATPI.EHE. ML:2.0 0.00020850000000000003 0.42 AML other m 2023-04-19T01:52:29.78
IV.NARO.HHN. ML:1.5 0.00006455 0.74 AML other m 2023-04-19T01:52:29.96
IV.NARO.HHE. ML:1.4 0.00004795 1.14 AML other m 2023-04-19T01:52:29.91
IV.CAFI.HHN. ML:1.6 0.00008350000000000001 0.26 AML other m 2023-04-19T01:52:30.24
IV.VISG.HHN. ML:1.4 0.0000593 0.34 AML other m 2023-04-19T01:52:30.65
IV.APEC.HHN. ML:1.8 0.00015999999999999999 1.72 AML other m 2023-04-19T01:52:30.01
IV.CAFI.HHE. ML:1.6 0.0000786 0.24 AML other m 2023-04-19T01:52:30.92
IV.VISG.HHE. ML:1.3 0.00004635 1.64 AML other m 2023-04-19T01:52:31.04
IV.OSSC.HHE. ML:1.8 0.00010669999999999999 1.3 AML other m 2023-04-19T01:52:31.75
IV.ATVO.HHE. ML:2.1 0.0002145 0.58 AML other m 2023-04-19T01:52:31.92
IV.ATVO.HHN. ML:1.9 0.0001295 1.72 AML other m 2023-04-19T01:52:32.09
IV.ATMI.HHN. ML:2.1 0.0002465 0.46 AML other m 2023-04-19T01:52:32.69
IV.MTRZ.HHN. ML:1.9 0.00015350000000000002 0.36 AML other m 2023-04-19T01:52:34.09
IV.OSSC.HHN. ML:1.7 0.0000915 0.54 AML other m 2023-04-19T01:52:34.42
IV.ATMI.HHE. ML:2.3 0.0003215 1.24 AML other m 2023-04-19T01:52:34.70
IV.MPAG.EHN. ML:1.4 0.0000431 0.74 AML other m 2023-04-19T01:52:34.78
IV.BRSN.EHE. ML:1.9 0.0002525 0.3 AML other m 2023-04-19T01:52:35.27
IV.BRSN.EHN. ML:2.0 0.0002895 0.5 AML other m 2023-04-19T01:52:35.47
IV.MPAG.EHE. ML:1.3 0.00002825 0.48 AML other m 2023-04-19T01:52:35.68
IV.MTRZ.HHE. ML:2.0 0.00020700000000000002 1.62 AML other m 2023-04-19T01:52:36.02
IV.SSFR.HHN. ML:1.8 0.00008149999999999999 1.5 AML other m 2023-04-19T01:52:39.99
IV.ATCC.EHN. ML:2.0 0.0000948 1.04 AML other m 2023-04-19T01:52:40.09
IV.SSFR.HHE. ML:1.8 0.0000917 1.24 AML other m 2023-04-19T01:52:41.09
IV.MURB.HHN. ML:2.2 0.0001995 0.3 AML other m 2023-04-19T01:52:41.17
IV.MURB.HHE. ML:2.2 0.000221 0.32 AML other m 2023-04-19T01:52:42.26
IV.ATCC.EHE. ML:2.1 0.00013700000000000002 0.84 AML other m 2023-04-19T01:52:42.98
IV.PII.HHE. ML:1.8 0.000051250000000000006 1.06 AML other m 2023-04-19T01:52:46.15
IV.MGAB.HHN. ML:1.8 0.000054199999999999996 1.34 AML other m 2023-04-19T01:52:47.88
IV.PII.HHN. ML:1.9 0.000067 0.46 AML other m 2023-04-19T01:52:47.15
IV.MGAB.HHE. ML:1.8 0.00006025 0.32 AML other m 2023-04-19T01:52:48.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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