Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 02-03-2021 and time 07:52:52 (Italy) in region 6 km SE Monghidoro (BO)

A magnitude ML 2.0 earthquake occured in region: 6 km SE Monghidoro (BO), on

  • 02-03-2021 06:52:52 (UTC)
  • 02-03-2021 07:52:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1920, 11.3810 at 8 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
Monghidoro BO 6 3749 3749
Firenzuola FI 8 4726 8475
Loiano BO 10 4294 12769
Castel del Rio BO 10 1246 14015
San Benedetto Val di Sambro BO 12 4315 18330
Monzuno BO 13 6328 24658
Monterenzio BO 15 6035 30693
Fontanelice BO 16 1943 32636
Palazzuolo sul Senio FI 16 1154 33790
Castiglione dei Pepoli BO 19 5648 39438
Borgo Tossignano BO 19 3288 42726
Grizzana Morandi BO 20 3916 46642
Casola Valsenio RA 20 2617 49259

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Imola (69797 inhabitants)
34 Km S of Bologna (386663 inhabitants)
41 Km NE of Prato (191150 inhabitants)
41 Km W of Faenza (58541 inhabitants)
47 Km NE of Pistoia (90315 inhabitants)
48 Km N of Firenze (382808 inhabitants)
51 Km NE of Scandicci (50609 inhabitants)
53 Km W of Forlì (117913 inhabitants)
62 Km SE of Modena (184973 inhabitants)
69 Km W of Cesena (96758 inhabitants)
70 Km W of Ravenna (159116 inhabitants)
74 Km S of Ferrara (133155 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
80 Km E of Lucca (89046 inhabitants)
82 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
95 Km NE of Pisa (89158 inhabitants)
96 Km W of Rimini (147750 inhabitants)
97 Km N of Siena (53903 inhabitants)
97 Km E of Viareggio (62467 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 2021-03-02
06:52:52		 44.1925 11.3808 8 2021-07-12
16:55:13		 Bollettino Sismico Italiano INGV 90563441
Reviewed
Rev100 		ML 2.0 2021-03-02
06:52:52		 44.1958 11.3817 8 2021-03-02
06:58:19		 Sala Sismica INGV-Roma 87620531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-02 06:52:52 ± 0.09
Latitude 44.1925 ± 0.0054
Longitude 11.3808 ± 0.0063
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90563441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 549
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.77522
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 90563441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-28 11:27:37

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 87620531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-02 06:58:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2021-03-02T06:53:18.31 0.3 undecidable manual S 233 86.0472 50 0 66
IV.CSNT.HHZ. 2021-03-02T06:53:17.56 0.6 undecidable manual S 185 80.1642 50 0.81 35
IV.ASQU.HHZ. 2021-03-02T06:53:09.92 0.3 undecidable manual S 143 54.7008 50 -0.03 69
IV.SFI.EHZ. 2021-03-02T06:53:08.72 0.3 undecidable manual S 131 49.0176 50 0.29 67
IV.CSNT.HHZ. 2021-03-02T06:53:07.41 0.6 negative manual P 185 80.1642 50 1 32
IV.PII.HHZ. 2021-03-02T06:53:07.57 0.3 undecidable manual P 233 86.0472 50 0.26 62
IV.IMOL.HNZ. 2021-03-02T06:53:05.82 0.6 undecidable manual S 57 34.1436 50 1.34 30
IV.ZCCA.HHZ. 2021-03-02T06:53:05.70 0.6 undecidable manual S 299 36.6411 50 0.57 42
IV.RINC.HHN. 2021-03-02T06:53:05.68 0.3 undecidable manual S 152 38.4282 50 0.06 71
IV.MPPT.EHN. 2021-03-02T06:53:04.38 0.3 undecidable manual S 222 34.8429 50 -0.28 68
IV.BRIS.HHZ. 2021-03-02T06:53:03.80 0.3 undecidable manual S 83 30.8469 105 0.43 67
IV.LMD.HHZ. 2021-03-02T06:53:02.50 0.3 undecidable manual S 116 28.9488 106 -0.23 70
IV.ASQU.HHZ. 2021-03-02T06:53:01.90 0.3 undecidable manual P 143 54.7008 50 -0.58 61
IV.MOCL.EHZ. 2021-03-02T06:53:01.80 0.3 undecidable manual S 218 26.2515 108 -0.02 73
IV.SFI.EHZ. 2021-03-02T06:53:01.06 0.3 undecidable manual P 131 49.0176 50 -0.55 62
IV.RONT.HHZ. 2021-03-02T06:53:01.40 0.6 undecidable manual S 169 22.4553 110 0.81 39
IV.FNVD.HHZ. 2021-03-02T06:53:00.00 0.3 undecidable manual S 262 20.6682 112 -0.02 74
IV.ZCCA.HHZ. 2021-03-02T06:52:59.87 0.3 undecidable manual P 299 36.6411 50 0.17 70
IV.IMOL.HNZ. 2021-03-02T06:52:59.08 0.3 undecidable manual P 57 34.1436 50 -0.24 69
IV.SEI.HHZ. 2021-03-02T06:52:59.20 0.3 undecidable manual S 187 15.4734 118 0.83 59
IV.RINC.HHN. 2021-03-02T06:52:59.61 0.3 undecidable manual P 152 38.4282 50 -0.37 67
IV.MTRZ.HHZ. 2021-03-02T06:52:58.30 0.3 undecidable manual S 15 13.7751 121 0.44 69
IV.MPPT.EHN. 2021-03-02T06:52:58.94 0.1 undecidable manual P 222 34.8429 50 -0.49 87
IV.BRIS.HHZ. 2021-03-02T06:52:58.10 0.6 undecidable manual P 83 30.8469 105 -0.59 42
IV.LMD.HHZ. 2021-03-02T06:52:57.56 0.3 undecidable manual P 116 28.9488 106 -0.75 60
IV.MOCL.EHZ. 2021-03-02T06:52:57.38 0.3 undecidable manual P 218 26.2515 108 -0.41 68
IV.RONT.HHZ. 2021-03-02T06:52:57.20 0.6 undecidable manual P 169 22.4553 110 0.12 48
IV.FNVD.HHZ. 2021-03-02T06:52:56.53 0.1 undecidable manual P 262 20.6682 112 -0.22 95
IV.VISG.HHZ. 2021-03-02T06:52:55.50 0.3 undecidable manual S 95 4.2957 153 -0.02 76
IV.SEI.HHZ. 2021-03-02T06:52:55.98 0.3 undecidable manual P 187 15.4734 118 0.19 72
IV.MTRZ.HHZ. 2021-03-02T06:52:55.37 0.1 undecidable manual P 15 13.7751 121 -0.14 97
IV.VISG.HHZ. 2021-03-02T06:52:54.06 0.1 undecidable manual P 95 4.2957 153 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRZ.HNE. ML:2.4 0.003045 0.8 AML other m 2021-03-02T06:52:59.65
IV.MTRZ.HHE. ML:2.4 0.003085 0.78 AML other m 2021-03-02T06:52:59.64
IV.SEI.HHN. ML:2.6 0.00375 0.24 AML other m 2021-03-02T06:52:59.60
IV.SEI.HHE. ML:2.2 0.001435 0.92 AML other m 2021-03-02T06:52:59.37
IV.MTRZ.HHN. ML:2.4 0.002815 1.66 AML other m 2021-03-02T06:52:59.09
IV.MTRZ.HNN. ML:2.4 0.00267 1.68 AML other m 2021-03-02T06:52:59.09
IV.FNVD.HHN. ML:2.4 0.00209 0.32 AML other m 2021-03-02T06:53:00.47
IV.FNVD.HHE. ML:2.2 0.0010825 0.12 AML other m 2021-03-02T06:53:00.57
IV.MOCL.EHN. ML:2.0 0.0006850000000000001 0.3 AML other m 2021-03-02T06:53:02.24
IV.MOCL.EHE. ML:2.4 0.0014199999999999998 0.38 AML other m 2021-03-02T06:53:02.58
IV.RONT.HHN. ML:2.2 0.00123 1.2 AML other m 2021-03-02T06:53:02.94
IV.LMD.HHN. ML:1.9 0.00038700000000000003 0.14 AML other m 2021-03-02T06:53:03.03
IV.RONT.HHE. ML:2.2 0.0010400000000000001 1.44 AML other m 2021-03-02T06:53:03.72
IV.ZCCA.HHN. ML:1.6 0.00014150000000000002 1.6 AML other m 2021-03-02T06:53:03.05
IV.LMD.HHE. ML:1.7 0.000258 0.12 AML other m 2021-03-02T06:53:03.98
IV.ZCCA.HHE. ML:1.6 0.0001685 1.4 AML other m 2021-03-02T06:53:04.85
IV.BRIS.HHE. ML:2.2 0.0008485000000000001 0.42 AML other m 2021-03-02T06:53:04.85
IV.BRIS.HHN. ML:2.2 0.0007475 0.18 AML other m 2021-03-02T06:53:05.38
IV.ASQU.HHE. ML:1.5 0.00007535 0.82 AML other m 2021-03-02T06:53:12.66
IV.SFI.EHN. ML:1.6 0.00009559999999999999 1.42 AML other m 2021-03-02T06:53:13.25
IV.SFI.EHE. ML:1.6 0.000093 0.68 AML other m 2021-03-02T06:53:14.59
IV.ASQU.HHN. ML:1.5 0.00007269999999999999 0.46 AML other m 2021-03-02T06:53:18.41
IV.PII.HHE. ML:1.9 0.000088 0.72 AML other m 2021-03-02T06:53:20.43
IV.CSNT.HHE. ML:1.7 0.00006275 0.44 AML other m 2021-03-02T06:53:20.54
IV.CSNT.HHN. ML:1.5 0.0000468 0.54 AML other m 2021-03-02T06:53:22.31
IV.PII.HHN. ML:1.9 0.00008760000000000002 0.34 AML other m 2021-03-02T06:53:23.03
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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