Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 20-04-2020 and time 06:25:43 (UTC) in region 1 km SW Premilcuore (FC)

A magnitude ML 2.4 earthquake occured in region: 1 km SW Premilcuore (FC), on

  • 20-04-2020 06:25:43 (UTC)
  • 20-04-2020 08:25:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9690, 11.7730 at 7 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
Premilcuore FC 1 799 799
Portico e San Benedetto FC 7 756 1555
Santa Sofia FC 11 4136 5691
Galeata FC 12 2516 8207
Rocca San Casciano FC 12 1910 10117
Tredozio FC 13 1212 11329
San Godenzo FI 13 1167 12496
Civitella di Romagna FC 14 3786 16282
Marradi FI 18 3139 19421
Dovadola FC 19 1653 21074

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Forlì (117913 inhabitants)
36 Km S of Faenza (58541 inhabitants)
42 Km W of Cesena (96758 inhabitants)
43 Km S of Imola (69797 inhabitants)
47 Km E of Firenze (382808 inhabitants)
53 Km E of Scandicci (50609 inhabitants)
55 Km E of Prato (191150 inhabitants)
57 Km N of Arezzo (99543 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
64 Km W of Rimini (147750 inhabitants)
68 Km SE of Bologna (386663 inhabitants)
69 Km E of Pistoia (90315 inhabitants)
80 Km NE of Siena (53903 inhabitants)
92 Km W of Pesaro (94582 inhabitants)
97 Km S of Ferrara (133155 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 2.4 2020-04-20
06:25:43		 43.9688 11.7727 7 2020-07-18
21:08:36		 Bollettino Sismico Italiano INGV 78964671
Reviewed
Rev100 		ML 2.4 2020-04-20
06:25:43		 43.9763 11.786 9 2020-04-20
06:34:10		 Sala Sismica INGV-Roma 78408551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-20 06:25:43 ± 0.06
Latitude 43.9688 ± 0.0036
Longitude 11.7727 ± 0.0062
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78964671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 309
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74374
Number of stations at which the event was observed 48
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 78964671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-08 23:56:21

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 78408551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-20 06:34:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-04-20T06:27:16.95 3.0 undecidable manual Sg 12.03 0
IT.VNF1.HGZ. 2020-04-20T06:27:09.76 3.0 undecidable manual Sn 2.03 0
IV.QLNO.HHZ. 2020-04-20T06:27:04.29 3.0 undecidable manual Sg 9.62 0
IV.PZUN.HHZ. 2020-04-20T06:27:02.54 3.0 negative manual Pg 11.55 0
OT.OT05.EHZ. 2020-04-20T06:26:51.81 3.0 negative manual Pg 12.22 0
CR.ZAG.BHZ. 2020-04-20T06:26:50.44 3.0 undecidable manual Pg 12.87 0
IV.MRLC.HHZ. 2020-04-20T06:26:48.93 3.0 positive manual Pn 1.24 0
IV.ZONE.HNZ. 2020-04-20T06:26:44.87 3.0 undecidable manual Sn -0.95 0
IV.ROSPO.HHZ. 2020-04-20T06:26:32.02 3.0 undecidable manual Pn 2.77 0
IT.VNF1.HGZ. 2020-04-20T06:26:30.35 3.0 negative manual Pn -0.48 0
IV.VENL.HNZ. 2020-04-20T06:26:30.08 3.0 undecidable manual S -0.17 0
IV.EUCT.HNZ. 2020-04-20T06:26:24.12 3.0 positive manual Pn 4.05 0
IV.ZONE.HHZ. 2020-04-20T06:26:21.70 3.0 positive manual Pn 3.18 0
IV.BARO.EHZ. 2020-04-20T06:26:12.32 3.0 undecidable manual Pn -1.15 0
GU.POPM.HHZ. 2020-04-20T06:26:09.37 3.0 undecidable manual S -0.3 0
IV.ATVO.HHZ. 2020-04-20T06:26:09.77 0.3 undecidable manual S 142 82.5507 50 0.77 54
IV.ATMI.HHZ. 2020-04-20T06:26:09.08 3.0 undecidable manual S -1.21 0
IV.CASP.HHZ. 2020-04-20T06:26:08.27 3.0 positive manual P 0.08 0
IV.ATPI.EHZ. 2020-04-20T06:26:07.50 0.6 undecidable manual S 138 76.4679 50 0.13 44
IV.MGAB.HHZ. 2020-04-20T06:26:05.47 3.0 negative manual P 0.89 0
IV.SACS.HHZ. 2020-04-20T06:26:05.78 3.0 positive manual P 0.65 0
IV.BADI.EHZ. 2020-04-20T06:26:03.90 0.6 undecidable manual S 143 63.3921 50 0.02 46
IV.MURB.HHZ. 2020-04-20T06:26:03.50 3.0 undecidable manual P 1.95 0
IV.PII.HHZ. 2020-04-20T06:26:01.78 3.0 positive manual P -0.29 0
IT.SNS1.HNZ. 2020-04-20T06:26:01.20 0.6 undecidable manual S 147 52.4031 50 0.26 45
IV.MPPT.EHZ. 2020-04-20T06:26:01.70 0.6 undecidable manual S 269 54.501 50 0.2 45
IV.MTRZ.HHZ. 2020-04-20T06:26:00.08 0.6 undecidable manual S 324 47.1195 50 0.55 42
IV.ATMI.HHZ. 2020-04-20T06:26:00.22 3.0 negative manual P 1.66 0
IV.PARC.HHZ. 2020-04-20T06:26:00.70 0.6 undecidable manual S 133 51.5151 50 0 47
IV.BDI.HHZ. 2020-04-20T06:26:00.92 3.0 positive manual P 0.53 0
IV.SSP9.EHZ. 2020-04-20T06:26:00.90 0.6 undecidable manual S 147 52.4031 50 -0.03 47
IV.CPGN.EHZ. 2020-04-20T06:25:59.78 0.6 undecidable manual S 113 47.619 50 0.13 46
IV.IMOL.EHZ. 2020-04-20T06:25:58.90 3.0 undecidable manual S 357 43.4232 50 0.37 0
GU.POPM.HHZ. 2020-04-20T06:25:58.33 3.0 negative manual P 0.12 0
IV.ATVO.HHZ. 2020-04-20T06:25:57.96 0.1 negative manual P 142 82.5507 50 -0.33 83
IV.CRE.HHZ. 2020-04-20T06:25:57.80 0.6 undecidable manual S 160 41.4252 50 -0.19 46
IV.ATPI.EHZ. 2020-04-20T06:25:57.08 0.1 negative manual P 138 76.4679 50 -0.27 86
IV.NARO.HHZ. 2020-04-20T06:25:56.93 3.0 positive manual P -0.68 0
IV.SEI.HHZ. 2020-04-20T06:25:56.00 0.6 undecidable manual S 286 34.3434 102 0.14 48
IV.APEC.HNN. 2020-04-20T06:25:56.38 0.3 undecidable manual P 131 68.9754 50 0.19 66
IV.VISG.HHZ. 2020-04-20T06:25:56.20 0.6 undecidable manual S 312 36.3414 101 -0.34 45
IV.ATMC.EHE. 2020-04-20T06:25:55.76 0.1 undecidable manual P 150 66.9774 50 -0.12 90
IV.CSNT.HHZ. 2020-04-20T06:25:55.92 0.3 undecidable manual P 215 67.2771 50 0 69
IV.CRMI.HHZ. 2020-04-20T06:25:55.94 3.0 positive manual P 0.1 0
IV.BADI.EHZ. 2020-04-20T06:25:54.84 0.1 negative manual P 143 63.3921 50 -0.5 83
IV.BRIS.HHZ. 2020-04-20T06:25:54.20 0.6 undecidable manual S 359 28.3494 105 0.37 46
IV.FNVD.HHZ. 2020-04-20T06:25:54.05 0.3 undecidable manual P 293 56.2992 50 -0.19 68
IV.RSM2.HHE. 2020-04-20T06:25:54.36 1.0 undecidable manual P 93 53.8017 50 0.51 21
IV.CPGN.EHZ. 2020-04-20T06:25:53.28 0.1 undecidable manual P 113 47.619 50 0.38 88
IV.MTRZ.HHZ. 2020-04-20T06:25:53.52 0.3 undecidable manual P 324 47.1195 50 0.69 60
IT.SNS1.HNZ. 2020-04-20T06:25:53.88 0.6 undecidable manual P 147 52.4031 50 0.24 45
IV.SSP9.EHZ. 2020-04-20T06:25:53.19 0.3 undecidable manual P 147 52.4031 50 -0.45 65
IV.MPPT.EHZ. 2020-04-20T06:25:53.88 0.1 positive manual P 269 54.501 50 -0.08 93
IV.FIR.HNE. 2020-04-20T06:25:52.75 0.6 undecidable manual P 243 46.7199 50 0 48
IV.IMOL.EHZ. 2020-04-20T06:25:52.92 0.1 positive manual P 357 43.4232 50 0.67 81
IV.BRSN.EHZ. 2020-04-20T06:25:52.08 0.6 undecidable manual P 35 42.7239 50 -0.06 48
IV.PARC.HHZ. 2020-04-20T06:25:52.89 0.1 positive manual P 133 51.5151 50 -0.61 82
IT.FIE.HGE. 2020-04-20T06:25:51.87 0.1 positive manual P 245 42.2244 50 -0.2 92
IV.ASQU.HHZ. 2020-04-20T06:25:51.10 0.6 undecidable manual S 176 19.1697 111 0.32 47
IV.CRE.HHZ. 2020-04-20T06:25:51.43 0.1 positive manual P 160 41.4252 50 -0.51 87
IV.RINC.HHZ. 2020-04-20T06:25:50.30 0.6 undecidable manual S 235 16.0728 115 0.5 45
IV.VISG.HHZ. 2020-04-20T06:25:50.60 0.1 positive manual P 312 36.3414 101 -0.5 88
IV.SEI.HHZ. 2020-04-20T06:25:50.43 0.1 positive manual P 286 34.3434 102 -0.28 92
IV.BRIS.HHZ. 2020-04-20T06:25:49.49 0.1 positive manual P 359 28.3494 105 -0.05 98
IV.RUFI.EHE. 2020-04-20T06:25:49.10 0.1 positive manual P 235 25.5522 106 0.11 97
IV.LMD.HHZ. 2020-04-20T06:25:48.70 0.6 undecidable manual S 337 13.1757 119 -0.19 49
IV.ASQU.HHZ. 2020-04-20T06:25:47.94 0.1 positive manual P 176 19.1697 111 0.17 97
IV.RINC.HHZ. 2020-04-20T06:25:47.56 0.1 positive manual P 235 16.0728 115 0.35 94
IV.SFI.HNZ. 2020-04-20T06:25:47.90 0.6 undecidable manual S 140 9.2796 128 0.14 50
IV.LMD.HHZ. 2020-04-20T06:25:46.43 0.1 positive manual P 337 13.1757 119 -0.25 96
IV.SFI.HNZ. 2020-04-20T06:25:46.13 0.1 positive manual P 140 9.2796 128 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNE. ML:2.6 0.007195 0.28 AML other m 2020-04-20T06:25:48.01
IV.SFI.EHE. ML:2.6 0.00724 0.28 AML other m 2020-04-20T06:25:48.02
IV.SFI.HNN. ML:2.7 0.008559999999999998 0.86 AML other m 2020-04-20T06:25:48.15
IV.SFI.EHN. ML:2.7 0.008675 0.88 AML other m 2020-04-20T06:25:48.15
IV.LMD.HHE. ML:2.5 0.004019999999999999 0.34 AML other m 2020-04-20T06:25:48.80
IV.LMD.HHN. ML:2.5 0.00392 0.38 AML other m 2020-04-20T06:25:49.22
IV.RINC.HHN. ML:2.3 0.002145 0.64 AML other m 2020-04-20T06:25:50.62
IV.ASQU.HHN. ML:2.5 0.0023599999999999997 1 AML other m 2020-04-20T06:25:51.80
IV.ASQU.HHE. ML:2.6 0.00326 0.26 AML other m 2020-04-20T06:25:51.80
IV.RINC.HHE. ML:2.4 0.00263 1.74 AML other m 2020-04-20T06:25:52.05
IV.BRIS.HHE. ML:3.0 0.00533 0.36 AML other m 2020-04-20T06:25:54.61
IV.BRIS.HHN. ML:2.9 0.004475 0.82 AML other m 2020-04-20T06:25:55.34
IV.SEI.HHE. ML:2.9 0.0033399999999999997 0.52 AML other m 2020-04-20T06:25:56.46
IV.CRE.HHN. ML:2.8 0.002215 0.26 AML other m 2020-04-20T06:25:58.13
IV.VISG.HHN. ML:2.2 0.0006565000000000001 0.68 AML other m 2020-04-20T06:25:58.02
IV.SEI.HHN. ML:3.1 0.00533 0.32 AML other m 2020-04-20T06:25:58.42
IV.CRE.HHE. ML:2.3 0.0007170000000000001 0.9 AML other m 2020-04-20T06:25:59.01
IV.IMOL.HNE. ML:2.8 0.002 0.28 AML other m 2020-04-20T06:26:01.72
IV.MPPT.EHE. ML:2.2 0.000398 0.24 AML other m 2020-04-20T06:26:02.13
IV.SSP9.EHE. ML:2.1 0.0003005 0.42 AML other m 2020-04-20T06:26:02.45
IV.MPPT.EHN. ML:2.5 0.000782 0.26 AML other m 2020-04-20T06:26:02.60
IV.IMOL.HNN. ML:2.8 0.00188 0.88 AML other m 2020-04-20T06:26:02.17
IV.SSP9.EHN. ML:2.1 0.00030199999999999997 0.76 AML other m 2020-04-20T06:26:03.55
IV.VISG.HHE. ML:2.1 0.000457 1.4 AML other m 2020-04-20T06:26:04.07
IV.PARC.HHE. ML:2.0 0.00023300000000000003 0.86 AML other m 2020-04-20T06:26:04.97
IV.PARC.HHN. ML:2.1 0.000327 0.66 AML other m 2020-04-20T06:26:05.67
IV.CRMI.HHN. ML:2.0 0.0001915 0.46 AML other m 2020-04-20T06:26:05.72
IV.CRMI.HNE. ML:2.4 0.00047650000000000004 1.68 AML other m 2020-04-20T06:26:05.99
IV.CRMI.HHE. ML:2.0 0.00020700000000000002 1.7 AML other m 2020-04-20T06:26:05.14
IV.CRMI.HNN. ML:2.4 0.000465 1.16 AML other m 2020-04-20T06:26:06.72
IV.BADI.EHE. ML:2.1 0.000251 0.38 AML other m 2020-04-20T06:26:06.58
IV.MTRZ.HNE. ML:2.4 0.000833 0.56 AML other m 2020-04-20T06:26:07.37
IV.MTRZ.HHE. ML:2.5 0.000916 0.58 AML other m 2020-04-20T06:26:07.09
IV.BRSN.EHE. ML:2.9 0.002785 0.4 AML other m 2020-04-20T06:26:07.98
IV.CSNT.HHE. ML:2.0 0.00016 0.46 AML other m 2020-04-20T06:26:08.10
IV.FNVD.HHE. ML:2.3 0.000497 0.68 AML other m 2020-04-20T06:26:08.21
IV.BRSN.HNE. ML:2.9 0.0027649999999999997 1.44 AML other m 2020-04-20T06:26:08.98
IV.MTRZ.HHN. ML:2.6 0.0010049999999999998 0.36 AML other m 2020-04-20T06:26:08.23
IV.MTRZ.HNN. ML:2.5 0.000964 0.36 AML other m 2020-04-20T06:26:08.24
IV.FNVD.HHN. ML:2.4 0.0005340000000000001 1.46 AML other m 2020-04-20T06:26:08.90
IV.ATPI.HNN. ML:2.1 0.0001985 0.7 AML other m 2020-04-20T06:26:09.11
IV.BADI.EHN. ML:2.2 0.000291 0.94 AML other m 2020-04-20T06:26:09.41
GU.POPM.HHN. ML:2.3 0.00029200000000000005 0.28 AML other m 2020-04-20T06:26:10.07
IV.CSNT.HHN. ML:2.2 0.00026450000000000003 0.94 AML other m 2020-04-20T06:26:10.52
GU.POPM.HHE. ML:2.4 0.000299 1.8 AML other m 2020-04-20T06:26:11.97
IV.BRSN.HNN. ML:2.7 0.001655 0.42 AML other m 2020-04-20T06:26:11.36
IV.BRSN.EHN. ML:2.7 0.001615 0.42 AML other m 2020-04-20T06:26:11.36
IV.ATMI.HHE. ML:2.4 0.00034950000000000004 0.66 AML other m 2020-04-20T06:26:13.35
IV.ATPI.EHN. ML:2.0 0.00014250000000000002 1.58 AML other m 2020-04-20T06:26:13.90
IV.NARO.HHN. ML:1.7 0.00007314999999999999 0.34 AML other m 2020-04-20T06:26:14.01
IV.ATMI.HHN. ML:2.5 0.00044599999999999994 1.42 AML other m 2020-04-20T06:26:14.01
IV.ATVO.HHE. ML:2.2 0.00023299999999999997 0.64 AML other m 2020-04-20T06:26:15.45
IV.BDI.HHE. ML:2.0 0.00011265 0.68 AML other m 2020-04-20T06:26:15.84
IV.BDI.HHN. ML:2.0 0.000108 0.8 AML other m 2020-04-20T06:26:16.23
IV.PII.HHN. ML:2.4 0.000254 0.28 AML other m 2020-04-20T06:26:17.25
IV.ATVO.HHN. ML:2.1 0.0001655 0.46 AML other m 2020-04-20T06:26:17.92
IV.PII.HHE. ML:2.5 0.0002755 1.2 AML other m 2020-04-20T06:26:18.93
IV.MURB.HHN. ML:2.6 0.0004385 1.36 AML other m 2020-04-20T06:26:18.03
IV.MURB.HNN. ML:2.6 0.000356 1.38 AML other m 2020-04-20T06:26:18.03
IV.NARO.HHE. ML:1.7 0.00006855 1.38 AML other m 2020-04-20T06:26:18.81
IV.MURB.HNE. ML:2.5 0.00029749999999999997 1.16 AML other m 2020-04-20T06:26:21.15
IV.MURB.HHE. ML:2.5 0.00033699999999999995 0.96 AML other m 2020-04-20T06:26:24.93
IV.MGAB.HHN. ML:2.4 0.000201 0.54 AML other m 2020-04-20T06:26:25.15
IV.MGAB.HNN. ML:2.4 0.000199 0.52 AML other m 2020-04-20T06:26:25.16
IV.ATPI.EHE. ML:1.9 0.0001305 0.56 AML other m 2020-04-20T06:26:25.37
IV.ATPI.HNE. ML:2.1 0.000175 0.62 AML other m 2020-04-20T06:26:25.65
IV.MGAB.HHE. ML:2.5 0.00022250000000000001 1.36 AML other m 2020-04-20T06:26:26.72
IV.MGAB.HNE. ML:2.5 0.00023249999999999999 1.36 AML other m 2020-04-20T06:26:26.04
IV.SACS.HHN. ML:2.2 0.00010495 0.5 AML other m 2020-04-20T06:26:26.30
IV.SACS.HHE. ML:2.2 0.00010475000000000001 0.4 AML other m 2020-04-20T06:26:26.54
IV.ZONE.HHN. ML:2.7 0.0000989 0.7 AML other m 2020-04-20T06:26:32.54
IV.ZONE.HHE. ML:2.5 0.000059999999999999995 0.24 AML other m 2020-04-20T06:26:32.83
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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