Earthquake with magnitude of ML 1.8 on date 16-11-2020 and time 08:24:24 (UTC) in region 4 km SE Monterenzio (BO)

A magnitude ML 1.8 earthquake occured in region: 4 km SE Monterenzio (BO), on

  • 16-11-2020 08:24:24 (UTC)
  • 16-11-2020 09:24:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3020, 11.4450 at 21 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
Monterenzio BO 4 6035 6035
Loiano BO 10 4294 10329
Fontanelice BO 10 1943 12272
Castel del Rio BO 11 1246 13518
Borgo Tossignano BO 12 3288 16806
Pianoro BO 12 17460 34266
Monghidoro BO 14 3749 38015
Casalfiumanese BO 14 3438 41453
Monzuno BO 14 6328 47781
Castel San Pietro Terme BO 16 20811 68592
Dozza BO 16 6652 75244
Ozzano dell'Emilia BO 16 13596 88840
Casola Valsenio RA 17 2617 91457
Sasso Marconi BO 19 14735 106192
San Lazzaro di Savena BO 19 32065 138257
San Benedetto Val di Sambro BO 19 4315 142572
Marzabotto BO 20 6779 149351

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Imola (69797 inhabitants)
23 Km SE of Bologna (386663 inhabitants)
35 Km W of Faenza (58541 inhabitants)
48 Km W of Forlì (117913 inhabitants)
54 Km NE of Prato (191150 inhabitants)
56 Km SE of Modena (184973 inhabitants)
59 Km NE of Pistoia (90315 inhabitants)
61 Km N of Firenze (382808 inhabitants)
61 Km S of Ferrara (133155 inhabitants)
61 Km W of Ravenna (159116 inhabitants)
64 Km NE of Scandicci (50609 inhabitants)
66 Km W of Cesena (96758 inhabitants)
70 Km SE of Carpi (70699 inhabitants)
78 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km SW of Rovigo (51867 inhabitants)
91 Km NE of Lucca (89046 inhabitants)
93 Km W of Rimini (147750 inhabitants)
99 Km NW of Arezzo (99543 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 1.8 2020-11-16
08:24:24
44.3017 11.4447 21 2021-02-26
14:56:10
Bollettino Sismico Italiano INGV 85334081
Reviewed
Rev100
ML 1.8 2020-11-16
08:24:24
44.3122 11.4443 22 2020-11-16
08:34:22
Sala Sismica INGV-Roma 84765981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-16 08:24:24 ± 0.23
Latitude 44.3017 ± 0.0108
Longitude 11.4447 ± 0.0138
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85334081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 881
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77342
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 84765981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-16 08:34:22

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 85334081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-23 14:46:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFOR.HHZ. 2020-11-16T08:26:11.80 3.0 undecidable manual Sn -1.41 0
IV.TDS.HHZ. 2020-11-16T08:26:09.40 3.0 undecidable manual Pg 20.370001 0
IV.PTRJ.HNZ. 2020-11-16T08:26:06.08 3.0 undecidable manual Sn -0.08 0
XK.SELL.HHZ. 2020-11-16T08:26:02.03 3.0 undecidable manual Pn 3.63 0
IV.ECTS.HHZ. 2020-11-16T08:25:57.99 3.0 positive manual Pn -5.82 0
IV.CERA.HHZ. 2020-11-16T08:25:57.65 3.0 undecidable manual Sn 1.58 0
IV.PIPA.HHZ. 2020-11-16T08:25:55.69 3.0 negative manual Pn 1.66 0
IV.MBFT.HHZ. 2020-11-16T08:25:54.43 3.0 undecidable manual Pn -1.49 0
MN.BLY.HHZ. 2020-11-16T08:25:36.11 3.0 negative manual Pg 14.02 0
IV.MCRV.HHZ. 2020-11-16T08:25:25.19 3.0 undecidable manual Pn -4.12 0
IV.SGG.HHZ. 2020-11-16T08:25:20.78 3.0 undecidable manual Pn 3 0
IV.GAVE.HNZ. 2020-11-16T08:25:18.28 3.0 undecidable manual Sn -4.2 0
SI.BOSI.HHZ. 2020-11-16T08:25:09.05 3.0 undecidable manual Sg -2.06 0
IV.RMP.HHZ. 2020-11-16T08:25:05.35 3.0 undecidable manual Pn 1.15 0
IV.ARRO.EHZ. 2020-11-16T08:24:53.56 3.0 positive manual Pn -1.47 0
IV.ASQU.HHZ. 2020-11-16T08:24:44.49 0.6 undecidable manual S 154 62.3931 101 0.56 40
IV.MILN.HHZ. 2020-11-16T08:24:44.13 3.0 negative manual Pg 0.41 0
IV.SFI.EHZ. 2020-11-16T08:24:42.67 0.6 undecidable manual S 144 54.4011 103 0.81 37
IV.RINC.HHE. 2020-11-16T08:24:40.08 0.6 undecidable manual S 164 47.8188 105 -0.07 45
IV.CRE.HHZ. 2020-11-16T08:24:39.74 0.1 positive manual P 152 85.8474 98 0.42 79
IV.MOCL.EHE. 2020-11-16T08:24:38.21 0.6 undecidable manual S 213 39.0276 110 0.3 45
IV.RONT.HHZ. 2020-11-16T08:24:36.85 0.6 undecidable manual S 182 34.1436 113 0.14 47
IV.SEI.HHZ. 2020-11-16T08:24:35.33 0.3 undecidable manual S 194 28.2495 119 0.04 72
IV.ASQU.HHZ. 2020-11-16T08:24:35.90 0.3 undecidable manual P 154 62.3931 101 0.15 65
IV.BRIS.HHZ. 2020-11-16T08:24:35.16 0.6 undecidable manual S 108 26.9508 120 0.18 46
IV.SFI.EHZ. 2020-11-16T08:24:34.16 0.1 undecidable manual P 144 54.4011 103 -0.39 85
IV.RUFI.EHZ. 2020-11-16T08:24:34.20 0.3 undecidable manual P 174 51.7038 104 0.06 68
IV.RINC.HHE. 2020-11-16T08:24:33.32 0.3 undecidable manual P 164 47.8188 105 -0.24 66
IV.MPPT.EHE. 2020-11-16T08:24:33.24 0.3 undecidable manual P 217 47.5191 106 -0.27 66
IV.ZCCA.HNN. 2020-11-16T08:24:33.11 0.6 undecidable manual P 279 37.5291 111 1.05 33
IV.RONT.HHZ. 2020-11-16T08:24:32.00 0.3 undecidable manual P 182 34.1436 113 0.43 65
IV.MOCL.EHE. 2020-11-16T08:24:31.96 0.3 undecidable manual P 213 39.0276 110 -0.31 66
IV.MTRZ.HHZ. 2020-11-16T08:24:31.76 0.6 undecidable manual S 308 1.998 174 0.69 42
IV.VISG.HHZ. 2020-11-16T08:24:31.86 0.3 undecidable manual S 184 12.4764 145 -0.23 70
IV.SEI.HHZ. 2020-11-16T08:24:30.34 0.1 positive manual P 194 28.2495 119 -0.41 88
IV.BRIS.HHZ. 2020-11-16T08:24:30.16 0.1 negative manual P 108 26.9508 120 -0.42 89
IV.VISG.HHZ. 2020-11-16T08:24:28.45 0.1 positive manual P 184 12.4764 145 -0.46 89
IV.MTRZ.HHZ. 2020-11-16T08:24:28.28 0.1 positive manual P 308 1.998 174 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:2.4 0.001815 1.66 AML other m 2020-11-16T08:24:31.98
IV.VISG.HHN. ML:2.3 0.0012900000000000001 0.14 AML other m 2020-11-16T08:24:32.34
IV.MTRZ.HHN. ML:1.9 0.0006835 0.46 AML other m 2020-11-16T08:24:33.24
IV.MTRZ.HNN. ML:1.9 0.00063018785 0.32 AML other m 2020-11-16T08:24:34.87
IV.BRIS.HHN. ML:1.8 0.00029499999999999996 1.26 AML other m 2020-11-16T08:24:35.06
IV.SEI.HHN. ML:2.0 0.0004319165 0.2624 AML other m 2020-11-16T08:24:36.10
IV.MTRZ.HHE. ML:1.8 0.00046568714999999994 0.256 AML other m 2020-11-16T08:24:36.44
IV.MTRZ.HNE. ML:1.7 0.00040703555 0.256 AML other m 2020-11-16T08:24:36.44
IV.SEI.HHE. ML:1.9 0.00035252739999999997 0.32 AML other m 2020-11-16T08:24:37.70
IV.BRIS.HNN. ML:1.6 0.00017316350000000003 0.4928 AML other m 2020-11-16T08:24:38.20
IV.RONT.HHE. ML:2.0 0.00035150000000000003 0.24 AML other m 2020-11-16T08:24:38.08
IV.RONT.HHN. ML:1.9 0.0002985 0.2 AML other m 2020-11-16T08:24:38.41
IV.BRIS.HHE. ML:1.8 0.00026000000000000003 0.5 AML other m 2020-11-16T08:24:40.49
IV.SFI.EHN. ML:1.4 0.000055133299999999996 0.544 AML other m 2020-11-16T08:24:43.25
IV.SFI.EHE. ML:1.5 0.00006534597 0.5632 AML other m 2020-11-16T08:24:44.03
IV.ASQU.HHE. ML:1.7 0.00010051309499999999 0.3968 AML other m 2020-11-16T08:24:45.94
IV.ASQU.HHN. ML:1.6 0.00007558369500000001 0.2624 AML other m 2020-11-16T08:24:46.06
IV.SFI.HNE. ML:1.8 0.00014758385 1.0304 AML other m 2020-11-16T08:24:48.55
IV.CRE.HHE. ML:1.6 0.0000466 1.48 AML other m 2020-11-16T08:24:55.93
IV.CRE.HHN. ML:1.5 0.00003855 1.54 AML other m 2020-11-16T08:24:56.04
IV.SFI.HNN. ML:1.8 0.000137213355 0.8192 AML other m 2020-11-16T08:24:57.41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download