Earthquake with magnitude of ML 1.2 on date 01-07-2020 and time 14:40:16 (Italy) in region 6 km S Castel del Rio (BO)

A magnitude ML 1.2 earthquake occured in region: 6 km S Castel del Rio (BO), on

  • 01-07-2020 12:40:16 (UTC)
  • 01-07-2020 14:40:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.16, 11.5 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Castel del Rio BO 6 1246 1246
Palazzuolo sul Senio FI 7 1154 2400
Firenzuola FI 11 4726 7126
Fontanelice BO 12 1943 9069
Casola Valsenio RA 12 2617 11686
Marradi FI 13 3139 14825
Borgo Tossignano BO 15 3288 18113
Monghidoro BO 16 3749 21862
Casalfiumanese BO 18 3438 25300
Loiano BO 19 4294 29594
Monterenzio BO 20 6035 35629

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Imola (69797 inhabitants)
34 Km W of Faenza (58541 inhabitants)
39 Km SE of Bologna (386663 inhabitants)
44 Km W of Forlì (117913 inhabitants)
45 Km NE of Prato (191150 inhabitants)
48 Km NE of Firenze (382808 inhabitants)
52 Km NE of Scandicci (50609 inhabitants)
53 Km E of Pistoia (90315 inhabitants)
59 Km W of Cesena (96758 inhabitants)
63 Km W of Ravenna (159116 inhabitants)
70 Km SE of Modena (184973 inhabitants)
76 Km S of Ferrara (133155 inhabitants)
83 Km NW of Arezzo (99543 inhabitants)
84 Km SE of Carpi (70699 inhabitants)
86 Km W of Rimini (147750 inhabitants)
87 Km E of Lucca (89046 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km N of Siena (53903 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.2 2020-07-01
12:40:16
44.16 11.5 10 2020-07-01
12:51:19
Sala Sismica INGV-Roma 80677301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-01 12:40:16 ± 0.19
Latitude 44.16 ± 0.01
Longitude 11.50 ± 0.01
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80677301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1029
Semi-minor axis of confidence ellipse (meter) 396
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.42178
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 80677301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-01 12:51:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ASQU.HHZ. 2020-07-01T12:40:25.47 0.6 undecidable manual P 150 0.4218 50 0.19 46
IV.SEI.HHZ. 2020-07-01T12:40:24.05 0.3 undecidable manual S 223 0.1484 122 0.71 63
IV.LMD.HHZ. 2020-07-01T12:40:24.51 0.3 undecidable manual S 120 0.1718 119 0.4 69
IV.MTRZ.HNZ. 2020-07-01T12:40:24.53 0.3 undecidable manual S 340 0.1592 121 0.86 59
IV.FNVD.HHZ. 2020-07-01T12:40:22.58 0.1 undecidable manual P 271 0.2698 50 -0.11 96
IV.BRIS.HHZ. 2020-07-01T12:40:21.39 0.1 undecidable manual P 72 0.2005 115 -0.11 98
IV.VISG.HHZ. 2020-07-01T12:40:20.12 0.3 undecidable manual S 299 0.0531 150 -0.6 67
IV.SEI.HHZ. 2020-07-01T12:40:20.61 0.1 undecidable manual P 223 0.1484 122 0.13 98
IV.LMD.HHZ. 2020-07-01T12:40:20.73 0.1 undecidable manual P 120 0.1718 119 -0.19 97
IV.RONT.HHZ. 2020-07-01T12:40:20.64 0.1 undecidable manual P 196 0.1763 118 -0.37 93
IV.MTRZ.HNZ. 2020-07-01T12:40:20.70 0.1 undecidable manual P 340 0.1592 121 0.03 100
IV.VISG.HHZ. 2020-07-01T12:40:18.62 0.1 undecidable manual P 299 0.0531 150 -0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:2.1 0.00194 0.12 AML other m 2020-07-01T12:40:20.15
IV.VISG.HHN. ML:2.1 0.002145 0.14 AML other m 2020-07-01T12:40:20.22
IV.SEI.HHN. ML:1.4 0.0002115 0.34 AML other m 2020-07-01T12:40:24.14
IV.LMD.HHE. ML:0.8 4.625E-5 0.4 AML other m 2020-07-01T12:40:25.04
IV.LMD.HHN. ML:0.9 6.025E-5 0.12 AML other m 2020-07-01T12:40:25.41
IV.BRIS.HHN. ML:1.3 0.000129 0.28 AML other m 2020-07-01T12:40:25.45
IV.BRIS.HHE. ML:1.2 0.0001025 0.82 AML other m 2020-07-01T12:40:26.42
IV.SEI.HHE. ML:1.1 0.000122 0.44 AML other m 2020-07-01T12:40:26.83
IV.FNVD.HHN. ML:1.5 0.000148 1.18 AML other m 2020-07-01T12:40:28.31
IV.FNVD.HHE. ML:1.4 0.000128 1.7 AML other m 2020-07-01T12:40:29.08
IV.ASQU.HHE. ML:0.6 1.239E-5 1.44 AML other m 2020-07-01T12:40:33.20
IV.ASQU.HHN. ML:0.8 1.83E-5 0.26 AML other m 2020-07-01T12:40:33.21
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download