Earthquake with magnitude of ML 2.1 on date 01-08-2020 and time 21:49:00 (Italy) in region 3 km NE Dozza (BO)

A magnitude ML 2.1 earthquake occured in region: 3 km NE Dozza (BO), on

  • 01-08-2020 19:49:00 (UTC)
  • 01-08-2020 21:49:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3830, 11.6560 at 29 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
Dozza BO 3 6652 6652
Castel San Pietro Terme BO 6 20811 27463
Imola BO 6 69797 97260
Castel Guelfo di Bologna BO 6 4455 101715
Casalfiumanese BO 10 3438 105153
Medicina BO 11 16739 121892
Mordano BO 13 4760 126652
Borgo Tossignano BO 13 3288 129940
Riolo Terme RA 13 5720 135660
Castel Bolognese RA 14 9554 145214
Bagnara di Romagna RA 14 2429 147643
Solarolo RA 15 4488 152131
Massa Lombarda RA 16 10653 162784
Ozzano dell'Emilia BO 16 13596 176380
Fontanelice BO 16 1943 178323
Sant'Agata sul Santerno RA 18 2862 181185
Casola Valsenio RA 18 2617 183802
Budrio BO 20 18412 202214

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NW of Imola (69797 inhabitants)
21 Km NW of Faenza (58541 inhabitants)
28 Km E of Bologna (386663 inhabitants)
36 Km W of Forlì (117913 inhabitants)
43 Km W of Ravenna (159116 inhabitants)
51 Km S of Ferrara (133155 inhabitants)
54 Km NW of Cesena (96758 inhabitants)
65 Km E of Modena (184973 inhabitants)
71 Km NE of Prato (191150 inhabitants)
75 Km NE of Firenze (382808 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
77 Km NE of Pistoia (90315 inhabitants)
77 Km S of Rovigo (51867 inhabitants)
79 Km NE of Scandicci (50609 inhabitants)
81 Km W of Rimini (147750 inhabitants)
88 Km E of Reggio nell'Emilia (171345 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 2.1 2020-08-01
19:49:00
44.3832 11.6555 29 2020-11-19
12:37:01
Bollettino Sismico Italiano INGV 82807911
Reviewed
Rev100
ML 1.9 2020-08-01
19:48:59
44.3438 11.6825 30 2020-08-01
19:55:54
Sala Sismica INGV-Roma 81556471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-01 19:49:00 ± 0.33
Latitude 44.3832 ± 0.0117
Longitude 11.6555 ± 0.0176
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82807911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1440
Semi-minor axis of confidence ellipse (meter) 792
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 1440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.84536
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:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 82807911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-06 20:27:45

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 81556471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-01 19:55:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASQU.HHZ. 2020-08-01T19:49:21.32 0.6 undecidable manual S 171 65.8896 108 0.49 42
IV.MOCL.EHZ. 2020-08-01T19:49:19.00 0.6 undecidable manual S 222 56.3991 111 0.55 42
IV.RINC.HHZ. 2020-08-01T19:49:18.62 0.6 undecidable manual S 184 55.2003 112 0.47 43
IV.SFI.EHZ. 2020-08-01T19:49:18.86 0.6 undecidable manual S 164 55.2003 112 0.71 40
IV.RONT.HHZ. 2020-08-01T19:49:16.53 0.6 undecidable manual S 202 46.7199 116 0.46 44
IV.PARC.HHZ. 2020-08-01T19:49:16.88 0.3 undecidable manual P 150 93.8394 102 0.69 56
IV.FNVD.HHZ. 2020-08-01T19:49:16.91 0.6 undecidable manual S 241 48.618 115 0.38 45
IV.SEI.HHZ. 2020-08-01T19:49:14.67 0.6 undecidable manual S 213 43.4232 118 -0.62 42
IV.LMD.HHZ. 2020-08-01T19:49:12.41 0.6 undecidable manual S 173 34.1436 125 -0.77 40
IV.ASQU.HHZ. 2020-08-01T19:49:12.06 0.6 undecidable manual P 171 65.8896 108 0.02 47
IV.MPPT.EHZ. 2020-08-01T19:49:12.42 0.6 undecidable manual P 224 65.1903 108 0.49 43
IV.VISG.HHZ. 2020-08-01T19:49:11.35 0.6 undecidable manual S 219 27.75 131 -0.49 46
IV.MTRZ.HHZ. 2020-08-01T19:49:11.03 0.6 undecidable manual S 247 19.869 142 0.64 44
IV.RUFI.EHZ. 2020-08-01T19:49:11.41 0.6 undecidable manual P 191 61.5939 109 0 48
IV.SFI.EHZ. 2020-08-01T19:49:10.40 0.6 undecidable manual P 164 55.2003 112 -0.09 47
IV.RINC.HHZ. 2020-08-01T19:49:10.34 0.6 undecidable manual P 184 55.2003 112 -0.15 47
IV.MOCL.EHZ. 2020-08-01T19:49:10.64 0.3 undecidable manual P 222 56.3991 111 -0.02 72
IV.IMOL.EHZ. 2020-08-01T19:49:09.08 0.3 undecidable manual S 111 7.3815 164 0.23 76
IV.RONT.HHZ. 2020-08-01T19:49:09.30 0.6 undecidable manual P 202 46.7199 116 0.01 49
IV.FNVD.HHZ. 2020-08-01T19:49:09.32 0.6 undecidable manual P 241 48.618 115 -0.23 46
IV.SEI.HHZ. 2020-08-01T19:49:08.37 0.3 undecidable manual P 213 43.4232 118 -0.47 67
IV.FIU.EHZ. 2020-08-01T19:49:08.48 0.3 undecidable manual P 336 31.3464 128 1.21 51
IV.BRSN.EHE. 2020-08-01T19:49:07.32 0.6 undecidable manual P 108 35.4423 124 -0.46 45
IV.MTRZ.HHZ. 2020-08-01T19:49:06.12 0.3 undecidable manual P 247 19.869 142 0.11 76
IV.LMD.HHZ. 2020-08-01T19:49:06.93 0.1 positive manual P 173 34.1436 125 -0.69 83
IV.VISG.HHZ. 2020-08-01T19:49:05.93 0.1 positive manual P 219 27.75 131 -0.92 76
IV.IMOL.EHZ. 2020-08-01T19:49:04.94 0.1 undecidable manual P 111 7.3815 164 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IMOL.HNE. ML:2.4 0.0014701755000000002 0.32 AML other m 2020-08-01T19:49:09.63
IV.IMOL.HNN. ML:2.8 0.0029529139999999996 0.2688 AML other m 2020-08-01T19:49:09.63
IV.VISG.HHE. ML:2.2 0.0005795402 0.1152 AML other m 2020-08-01T19:49:11.75
IV.VISG.HHN. ML:2.4 0.00080713835 0.1408 AML other m 2020-08-01T19:49:11.95
IV.MTRZ.HNE. ML:2.2 0.0007643194499999999 0.3968 AML other m 2020-08-01T19:49:13.47
IV.MTRZ.HHE. ML:2.2 0.0007932422500000001 0.3968 AML other m 2020-08-01T19:49:13.47
IV.LMD.HHN. ML:2.0 0.00030986230000000004 0.1792 AML other m 2020-08-01T19:49:13.62
IV.LMD.HHE. ML:1.8 0.00019561495 0.2816 AML other m 2020-08-01T19:49:13.97
IV.MTRZ.HNN. ML:2.2 0.0006084392999999999 0.4992 AML other m 2020-08-01T19:49:14.29
IV.MTRZ.HHN. ML:2.1 0.0005770040000000001 0.32 AML other m 2020-08-01T19:49:15.39
IV.SEI.HHN. ML:2.5 0.0008321201 0.3072 AML other m 2020-08-01T19:49:15.33
IV.RONT.HHN. ML:2.3 0.00052922335 0.32 AML other m 2020-08-01T19:49:17.17
IV.FNVD.HHN. ML:1.8 0.00013226280000000002 0.1408 AML other m 2020-08-01T19:49:17.36
IV.SEI.HHE. ML:2.4 0.0006252771 0.4992 AML other m 2020-08-01T19:49:17.53
IV.FNVD.HHE. ML:1.9 0.0001686487 0.5376 AML other m 2020-08-01T19:49:17.77
IV.FIU.EHN. ML:2.2 0.00046322644999999995 0.3328 AML other m 2020-08-01T19:49:18.02
IV.RONT.HHE. ML:2.4 0.000571 0.76 AML other m 2020-08-01T19:49:18.08
IV.MOCL.EHN. ML:1.8 0.0001307962 0.6016 AML other m 2020-08-01T19:49:19.23
IV.SFI.HNE. ML:1.8 0.00013284864 0.4352 AML other m 2020-08-01T19:49:19.34
IV.SFI.HNN. ML:1.8 0.00012695835999999998 0.6784 AML other m 2020-08-01T19:49:19.51
IV.RINC.HHE. ML:2.1 0.00023268650000000002 0.32 AML other m 2020-08-01T19:49:19.83
IV.MOCL.EHE. ML:1.8 0.00011372075 0.192 AML other m 2020-08-01T19:49:19.99
IV.RINC.HHN. ML:2.0 0.000183078 0.3584 AML other m 2020-08-01T19:49:20.43
IV.SFI.EHE. ML:1.6 0.00008368909499999999 0.2944 AML other m 2020-08-01T19:49:21.11
IV.SFI.EHN. ML:1.6 0.00007579210999999999 0.3328 AML other m 2020-08-01T19:49:23.02
IV.ASQU.HHN. ML:1.7 0.00008610622 0.32 AML other m 2020-08-01T19:49:24.17
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