Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 26-03-2020 and time 03:19:15 (Italy) in region 2 km N Fontanelice (BO)

A magnitude ML 2.4 earthquake occured in region: 2 km N Fontanelice (BO), on

  • 26-03-2020 02:19:15 (UTC)
  • 26-03-2020 03:19:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2770, 11.5520 at 19 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
Fontanelice BO 2 1943 1943
Borgo Tossignano BO 3 3288 5231
Casalfiumanese BO 6 3438 8669
Castel del Rio BO 8 1246 9915
Casola Valsenio RA 8 2617 12532
Dozza BO 11 6652 19184
Monterenzio BO 13 6035 25219
Riolo Terme RA 14 5720 30939
Castel San Pietro Terme BO 14 20811 51750
Imola BO 16 69797 121547
Palazzuolo sul Senio FI 18 1154 122701
Loiano BO 18 4294 126995
Brisighella RA 18 7639 134634
Ozzano dell'Emilia BO 20 13596 148230
Monghidoro BO 20 3749 151979

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Imola (69797 inhabitants)
26 Km W of Faenza (58541 inhabitants)
29 Km SE of Bologna (386663 inhabitants)
39 Km W of Forlì (117913 inhabitants)
54 Km W of Ravenna (159116 inhabitants)
57 Km NE of Prato (191150 inhabitants)
57 Km W of Cesena (96758 inhabitants)
61 Km NE of Firenze (382808 inhabitants)
63 Km S of Ferrara (133155 inhabitants)
63 Km NE of Pistoia (90315 inhabitants)
64 Km SE of Modena (184973 inhabitants)
65 Km NE of Scandicci (50609 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
84 Km W of Rimini (147750 inhabitants)
87 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km S of Rovigo (51867 inhabitants)
94 Km N of Arezzo (99543 inhabitants)
97 Km E of Lucca (89046 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 2020-03-26
02:19:15		 44.2772 11.5525 19 2020-07-18
21:08:31		 Bollettino Sismico Italiano INGV 77948091
Reviewed
Rev100 		ML 2.3 2020-03-26
02:19:16		 44.2758 11.5633 11 2020-03-26
02:38:53		 Sala Sismica INGV-Roma 77574161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-26 02:19:15 ± 0.17
Latitude 44.2772 ± 0.0072
Longitude 11.5525 ± 0.0113
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77948091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 873
Semi-minor axis of confidence ellipse (meter) 334
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 119
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
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) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 1.17631
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:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 77574161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-26 02:38:53

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 77948091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-03 01:21:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZOVE.EHZ. 2020-03-26T02:19:37.50 1.0 undecidable manual P 358 130.5693 94 0.24 21
IV.TEOL.HHE. 2020-03-26T02:19:35.08 0.3 undecidable manual P 4 120.6903 94 -0.66 53
IV.RUFI.EHZ. 2020-03-26T02:19:31.19 0.6 undecidable manual S 184 48.8178 103 -0.22 48
IV.SFI.EHZ. 2020-03-26T02:19:31.39 0.6 undecidable manual S 150 47.5191 103 0.32 46
IV.RINC.HHZ. 2020-03-26T02:19:30.52 0.6 undecidable manual S 174 43.5231 105 0.48 44
IV.FAEN.HNZ. 2020-03-26T02:19:27.62 0.6 undecidable manual S 87 25.8519 118 2.01 20
IV.RONT.HHZ. 2020-03-26T02:19:27.90 0.6 undecidable manual S 197 32.8449 111 0.57 44
IV.RAVA.EHE. 2020-03-26T02:19:27.94 1.0 undecidable manual P 327 63.1923 99 1 19
IV.SEI.HHZ. 2020-03-26T02:19:26.80 0.3 undecidable manual S 212 29.1486 114 0.39 71
IV.LMD.HHZ. 2020-03-26T02:19:25.80 0.6 undecidable manual S 151 25.3524 119 0.3 48
IV.ZCCA.HHZ. 2020-03-26T02:19:25.37 0.3 undecidable manual P 280 46.4202 104 0.97 58
IV.CMPO.HNZ. 2020-03-26T02:19:24.04 1.0 undecidable manual P 31 39.2274 107 0.71 22
IV.SFI.EHZ. 2020-03-26T02:19:24.16 0.3 undecidable manual P 150 47.5191 103 -0.4 69
IV.RINC.HHZ. 2020-03-26T02:19:24.06 0.1 positive manual P 174 43.5231 105 0.09 98
IV.RUFI.EHZ. 2020-03-26T02:19:24.67 0.1 undecidable manual P 184 48.8178 103 -0.09 98
IV.BRSN.HNE. 2020-03-26T02:19:23.91 0.3 undecidable manual P 89 41.9247 106 0.18 73
IV.IMOL.EHZ. 2020-03-26T02:19:23.97 0.3 undecidable manual S 59 17.6712 131 0.16 77
IV.VISG.HHZ. 2020-03-26T02:19:23.20 0.3 undecidable manual S 224 13.5753 139 0.17 77
IV.BRIS.HHZ. 2020-03-26T02:19:23.60 0.6 undecidable manual S 109 17.9709 130 -0.28 50
IV.RONT.HHZ. 2020-03-26T02:19:22.35 0.3 undecidable manual P 197 32.8449 111 -0.05 76
IV.MTRZ.HHZ. 2020-03-26T02:19:22.70 0.6 undecidable manual S 291 10.878 146 0.1 53
IT.FAZ.HNZ. 2020-03-26T02:19:21.83 0.3 undecidable manual P 85 26.9508 117 0.26 74
IV.FAEN.HNZ. 2020-03-26T02:19:21.86 0.3 undecidable manual P 87 25.8519 118 0.45 71
IV.SEI.HHZ. 2020-03-26T02:19:21.71 0.3 undecidable manual P 212 29.1486 114 -0.16 75
IV.LMD.HHZ. 2020-03-26T02:19:20.67 0.1 negative manual P 151 25.3524 119 -0.68 88
IV.IMOL.EHZ. 2020-03-26T02:19:20.04 0.1 negative manual P 59 17.6712 131 -0.33 98
IV.MTRZ.HHZ. 2020-03-26T02:19:19.42 0.1 negative manual P 291 10.878 146 -0.25 100
IV.VISG.HHZ. 2020-03-26T02:19:19.14 0.1 negative manual P 224 13.5753 139 -0.78 85
IV.BRIS.HHZ. 2020-03-26T02:19:19.91 0.1 negative manual P 109 17.9709 130 -0.5 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:2.2 0.0010229867499999999 0.1808 AML other m 2020-03-26T02:19:23.76
IV.VISG.HHN. ML:2.3 0.0013945885 0.2416 AML other m 2020-03-26T02:19:24.37
IV.MTRZ.HNE. ML:2.3 0.001557248 0.2096 AML other m 2020-03-26T02:19:24.69
IV.MTRZ.HHE. ML:2.3 0.0016200000000000001 0.22 AML other m 2020-03-26T02:19:24.69
IV.MTRZ.HHN. ML:2.6 0.0033850000000000004 0.92 AML other m 2020-03-26T02:19:24.95
IV.MTRZ.HNN. ML:2.6 0.00331 0.92 AML other m 2020-03-26T02:19:24.95
IV.IMOL.HNN. ML:2.7 0.003179454 0.2192 AML other m 2020-03-26T02:19:25.66
IV.IMOL.HNE. ML:2.7 0.002876146 1.56 AML other m 2020-03-26T02:19:25.03
IV.LMD.HHE. ML:2.4 0.0012546016 0.4592 AML other m 2020-03-26T02:19:26.61
IV.BRIS.HHN. ML:2.3 0.0011273135000000002 0.2992 AML other m 2020-03-26T02:19:26.31
IV.LMD.HHN. ML:2.6 0.0018981720000000003 0.24 AML other m 2020-03-26T02:19:26.57
IV.BRIS.HHE. ML:2.1 0.00080969035 0.3008 AML other m 2020-03-26T02:19:27.28
IV.SEI.HHN. ML:3.1 0.005334099 0.3616 AML other m 2020-03-26T02:19:27.56
IV.RONT.HHN. ML:2.7 0.00177576 0.28 AML other m 2020-03-26T02:19:29.01
IV.SEI.HHE. ML:2.5 0.0014246425 0.3408 AML other m 2020-03-26T02:19:29.14
IV.BRIS.HNE. ML:1.3 0.00011573597999999999 1.2192 AML other m 2020-03-26T02:19:30.66
IV.RONT.HHE. ML:2.8 0.002546305 0.2992 AML other m 2020-03-26T02:19:32.40
IV.SFI.EHN. ML:2.3 0.0005499331000000001 0.4992 AML other m 2020-03-26T02:19:32.99
IV.SFI.HNN. ML:2.3 0.0005874999999999999 0.5 AML other m 2020-03-26T02:19:32.99
IV.SFI.EHE. ML:2.0 0.00025516155 0.2784 AML other m 2020-03-26T02:19:33.21
IV.SFI.HNE. ML:2.0 0.00027303585 0.28 AML other m 2020-03-26T02:19:33.21
IV.RUFI.EHN. ML:1.9 0.00020935325 0.3808 AML other m 2020-03-26T02:19:34.53
IV.RUFI.EHE. ML:1.5 0.00008108306 0.4192 AML other m 2020-03-26T02:19:35.24
IV.ZOVE.HNE. ML:2.4 0.00017638535 0.4592 AML other m 2020-03-26T02:19:55.25
IV.ZOVE.EHE. ML:2.4 0.0001709867 0.48 AML other m 2020-03-26T02:19:55.26
IV.ZOVE.HNN. ML:2.4 0.0001509461 0.2208 AML other m 2020-03-26T02:19:55.54
IV.ZOVE.EHN. ML:2.4 0.0001448283 0.2208 AML other m 2020-03-26T02:19:55.54
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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