Earthquake with magnitude of ML 2.0 on date 25-03-2020 and time 22:30:57 (UTC) in region 5 km NW Casalfiumanese (BO)

A magnitude ML 2.0 earthquake occured in region: 5 km NW Casalfiumanese (BO), on

  • 25-03-2020 22:30:57 (UTC)
  • 25-03-2020 23:30:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.32, 11.57 at 26 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
Casalfiumanese BO 5 3438 3438
Borgo Tossignano BO 5 3288 6726
Dozza BO 7 6652 13378
Fontanelice BO 7 1943 15321
Castel San Pietro Terme BO 9 20811 36132
Casola Valsenio RA 12 2617 38749
Imola BO 12 69797 108546
Monterenzio BO 13 6035 114581
Castel del Rio BO 13 1246 115827
Riolo Terme RA 14 5720 121547
Castel Guelfo di Bologna BO 15 4455 126002
Ozzano dell'Emilia BO 16 13596 139598
Medicina BO 18 16739 156337
Castel Bolognese RA 19 9554 165891
Pianoro BO 19 17460 183351
Brisighella RA 20 7639 190990

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km W of Imola (69797 inhabitants)
26 Km W of Faenza (58541 inhabitants)
26 Km SE of Bologna (386663 inhabitants)
39 Km W of Forlì (117913 inhabitants)
52 Km W of Ravenna (159116 inhabitants)
58 Km S of Ferrara (133155 inhabitants)
58 Km W of Cesena (96758 inhabitants)
62 Km NE of Prato (191150 inhabitants)
62 Km SE of Modena (184973 inhabitants)
66 Km NE of Firenze (382808 inhabitants)
67 Km NE of Pistoia (90315 inhabitants)
70 Km NE of Scandicci (50609 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
85 Km W of Rimini (147750 inhabitants)
85 Km E of Reggio nell'Emilia (171345 inhabitants)
85 Km S of Rovigo (51867 inhabitants)
98 Km N of Arezzo (99543 inhabitants)
100 Km NE 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 2.0 2020-03-25
22:30:57
44.32 11.57 26 2020-07-18
21:08:38
Bollettino Sismico Italiano INGV 79720611
Reviewed
Rev100
ML 1.9 2020-03-25
22:30:58
44.31 11.57 24 2020-03-25
23:08:05
Sala Sismica INGV-Roma 77572761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-25 22:30:57 ± 0.33
Latitude 44.32 ± 0.01
Longitude 11.57 ± 0.02
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79720611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1215
Semi-minor axis of confidence ellipse (meter) 341
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 1210
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.10162
Epicentral distance of station farthest from the epicenter (degree) 0.54769
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 77572761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-25 23:08:05

ML:2

Field Value
Value 2
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 79720611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 17:36:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ASQU.HHN. 2020-03-25T22:31:17.78 0.3 undecidable manual S 163 0.5477 106 0.9 53
IV.RUFI.EHZ. 2020-03-25T22:31:15.35 0.3 undecidable manual S 185 0.4838 109 0.26 69
IV.RINC.HHZ. 2020-03-25T22:31:14.32 0.3 undecidable manual S 176 0.4353 111 0.6 63
IV.SFI.HNN. 2020-03-25T22:31:14.81 0.3 undecidable manual S 154 0.4623 110 0.34 67
IV.FNVD.HHZ. 2020-03-25T22:31:12.08 0.3 undecidable manual S 244 0.3525 117 0.59 67
IV.RONT.HHZ. 2020-03-25T22:31:11.19 0.3 undecidable manual S 196 0.3408 118 0.01 75
IV.SEI.HHZ. 2020-03-25T22:31:09.81 0.1 undecidable manual S 209 0.3049 121 -0.45 91
IV.LMD.HHZ. 2020-03-25T22:31:08.93 0.3 undecidable manual S 157 0.2635 125 -0.29 73
IV.ASQU.HHN. 2020-03-25T22:31:08.96 0.3 undecidable manual P 163 0.5477 106 0.21 68
IV.ZCCA.HNN. 2020-03-25T22:31:08.33 0.3 undecidable manual P 274 0.4227 112 1.59 41
IV.SFI.HNN. 2020-03-25T22:31:07.19 0.1 undecidable manual P 154 0.4623 110 -0.17 95
IV.IMOL.EHZ. 2020-03-25T22:31:07.46 0.6 undecidable manual S 73 0.1313 147 0.99 37
IV.BRIS.HHZ. 2020-03-25T22:31:07.16 0.3 undecidable manual S 124 0.1727 139 -0.05 77
IV.RUFI.EHZ. 2020-03-25T22:31:07.55 0.1 undecidable manual P 185 0.4838 109 -0.17 94
IV.RINC.HHZ. 2020-03-25T22:31:06.90 0.3 undecidable manual P 176 0.4353 111 -0.03 73
IV.MTRZ.HHZ. 2020-03-25T22:31:06.66 0.3 undecidable manual S 266 0.1016 153 0.62 69
IV.VISG.HHZ. 2020-03-25T22:31:06.21 0.6 undecidable manual S 216 0.1619 141 -0.8 41
IV.RONT.HHZ. 2020-03-25T22:31:05.36 0.1 undecidable manual P 196 0.3408 118 -0.1 98
IV.FNVD.HHZ. 2020-03-25T22:31:05.72 0.1 undecidable manual P 244 0.3525 117 0.08 99
IV.SEI.HHZ. 2020-03-25T22:31:04.65 0.1 undecidable manual P 209 0.3049 121 -0.28 94
IV.LMD.HHZ. 2020-03-25T22:31:03.55 0.1 undecidable manual P 157 0.2635 125 -0.78 83
IV.VISG.HHZ. 2020-03-25T22:31:02.03 0.1 undecidable manual P 216 0.1619 141 -1.02 74
IV.MTRZ.HHZ. 2020-03-25T22:31:02.30 0.1 undecidable manual P 266 0.1016 153 -0.19 100
IV.IMOL.EHZ. 2020-03-25T22:31:02.92 0.1 undecidable manual P 73 0.1313 147 0.18 100
IV.BRIS.HHZ. 2020-03-25T22:31:02.84 0.3 undecidable manual P 124 0.1727 139 -0.32 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHN. ML:0 0.0004955 1.3 AML other m 2020-03-25T22:31:07.89
IV.MTRZ.HHE. ML:1.8 0.000355 0.64 AML other m 2020-03-25T22:31:07.57
IV.VISG.HHE. ML:0 0.0003925 1 AML other m 2020-03-25T22:31:07.92
IV.MTRZ.HNN. ML:2 0.0006161428 0.2176 AML other m 2020-03-25T22:31:07.83
IV.MTRZ.HHN. ML:2.1 0.000741 0.92 AML other m 2020-03-25T22:31:07.83
IV.IMOL.HNE. ML:2.2 0.000797 0.9 AML other m 2020-03-25T22:31:08.94
IV.IMOL.HNN. ML:2.2 0.000809 0.8 AML other m 2020-03-25T22:31:09.16
IV.BRIS.HHN. ML:1.7 0.0002441113425 0.4224 AML other m 2020-03-25T22:31:09.32
IV.MTRZ.HNE. ML:1.8 0.0003273865 0.4352 AML other m 2020-03-25T22:31:09.43
IV.LMD.HHN. ML:2 0.000401 0.26 AML other m 2020-03-25T22:31:09.44
IV.LMD.HHE. ML:1.8 0.0002545 0.2 AML other m 2020-03-25T22:31:09.50
IV.SEI.HHN. ML:2.5 0.001168 0.38 AML other m 2020-03-25T22:31:10.42
IV.RONT.HHN. ML:2.1 0.0003645 1.76 AML other m 2020-03-25T22:31:12.00
IV.SEI.HHE. ML:2 0.000304 0.32 AML other m 2020-03-25T22:31:12.01
IV.BRIS.HHE. ML:1.5 0.000155075415 0.3456 AML other m 2020-03-25T22:31:12.81
IV.RONT.HHE. ML:2.3 0.000568 0.3 AML other m 2020-03-25T22:31:15.27
IV.RUFI.EHN. ML:1.4 5.465795E-5 0.24 AML other m 2020-03-25T22:31:17.82
TDMT - Time Domain Moment Tensor
Focal Mechanism 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