Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 16-08-2020 and time 22:44:14 (UTC) in region 5 km SE Ozzano dell'Emilia (BO)

A magnitude ML 1.8 earthquake occured in region: 5 km SE Ozzano dell'Emilia (BO), on

  • 16-08-2020 22:44:14 (UTC)
  • 17-08-2020 00:44:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4210, 11.5320 at 18 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
Ozzano dell'Emilia BO 5 13596 13596
Castel San Pietro Terme BO 5 20811 34407
Dozza BO 10 6652 41059
Medicina BO 11 16739 57798
Castenaso BO 11 14925 72723
San Lazzaro di Savena BO 11 32065 104788
Castel Guelfo di Bologna BO 12 4455 109243
Budrio BO 13 18412 127655
Monterenzio BO 15 6035 133690
Casalfiumanese BO 15 3438 137128
Pianoro BO 16 17460 154588
Granarolo dell'Emilia BO 16 11910 166498
Imola BO 16 69797 236295
Borgo Tossignano BO 17 3288 239583
Bologna BO 17 386663 626246
Fontanelice BO 18 1943 628189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Imola (69797 inhabitants)
17 Km E of Bologna (386663 inhabitants)
32 Km W of Faenza (58541 inhabitants)
46 Km W of Forlì (117913 inhabitants)
47 Km S of Ferrara (133155 inhabitants)
53 Km W of Ravenna (159116 inhabitants)
54 Km E of Modena (184973 inhabitants)
65 Km W of Cesena (96758 inhabitants)
65 Km SE of Carpi (70699 inhabitants)
69 Km NE of Prato (191150 inhabitants)
73 Km NE of Pistoia (90315 inhabitants)
75 Km S of Rovigo (51867 inhabitants)
76 Km NE of Firenze (382808 inhabitants)
78 Km E of Reggio nell'Emilia (171345 inhabitants)
79 Km NE of Scandicci (50609 inhabitants)
92 Km W of Rimini (147750 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 2020-08-16
22:44:14		 44.4213 11.5325 18 2020-11-19
12:36:59		 Bollettino Sismico Italiano INGV 82405601
Reviewed
Rev100 		ML 2.0 2020-08-16
22:44:14		 44.3975 11.4882 21 2020-08-16
22:59:57		 Sala Sismica INGV-Roma 82060751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-16 22:44:14 ± 0.1
Latitude 44.4213 ± 0.0063
Longitude 11.5325 ± 0.0139
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82405601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 999
Semi-minor axis of confidence ellipse (meter) 590
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.13310
Epicentral distance of station farthest from the epicenter (degree) 2.08553
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 40
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 59
Type of magnitude ML
Reference to an origin 82405601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-08 17:18:00

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 84
Type of magnitude ML
Reference to an origin 82060751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-16 22:59:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2020-08-16T22:45:06.45 0.6 undecidable manual S 324 185.5698 54 1.27 21
SI.LUSI.HHZ. 2020-08-16T22:45:04.60 0.6 undecidable manual S 345 176.6898 54 1.33 21
IV.MAGA.HHZ. 2020-08-16T22:45:02.04 0.6 undecidable manual S 335 166.0116 54 1.08 26
OX.MPRI.HHZ. 2020-08-16T22:44:48.81 0.3 undecidable manual P 29 231.4905 54 -0.79 30
IV.PII.HHZ. 2020-08-16T22:44:47.92 0.6 undecidable manual S 226 111.6993 94 0.81 34
IV.STAL.HHZ. 2020-08-16T22:44:47.22 0.3 undecidable manual P 24 223.7094 54 -1.4 23
IV.ZOVE.EHZ. 2020-08-16T22:44:47.57 0.6 undecidable manual S 358 114.5964 94 -0.31 40
MN.TRI.HHZ. 2020-08-16T22:44:47.04 0.3 undecidable manual P 50 225.8073 54 -1.84 17
ST.RONC.EHZ. 2020-08-16T22:44:45.01 0.3 undecidable manual P 338 186.9684 54 0.96 37
IV.TEOL.HHZ. 2020-08-16T22:44:45.42 0.6 undecidable manual S 6 104.9172 94 0.12 42
IV.ZONE.HHZ. 2020-08-16T22:44:44.76 0.1 undecidable manual P 324 185.5698 54 0.88 51
SI.LUSI.HHZ. 2020-08-16T22:44:42.86 0.1 undecidable manual P 345 176.6898 54 0.08 69
IV.MAGA.HHZ. 2020-08-16T22:44:41.35 0.1 undecidable manual P 335 166.0116 54 -0.09 72
ST.VARA.EHZ. 2020-08-16T22:44:40.92 0.3 undecidable manual P 343 163.614 54 -0.22 53
IV.SALO.HHZ. 2020-08-16T22:44:40.07 0.3 undecidable manual P 330 154.5342 54 0.06 57
IV.MBAL.EHZ. 2020-08-16T22:44:39.23 0.3 undecidable manual P 340 151.0377 93 -0.28 56
ST.DOSS.HHZ. 2020-08-16T22:44:39.73 0.3 undecidable manual P 351 164.1135 54 -1.48 31
IV.ATVO.HHZ. 2020-08-16T22:44:38.05 0.6 undecidable manual P 148 134.7651 93 1.04 30
IV.CAFI.HHZ. 2020-08-16T22:44:36.28 0.3 undecidable manual P 164 126.0738 93 0.63 55
IV.ATPI.EHZ. 2020-08-16T22:44:36.83 0.6 undecidable manual P 147 128.1717 93 0.85 33
IV.BADI.EHZ. 2020-08-16T22:44:35.60 0.3 undecidable manual P 150 115.995 94 1.49 37
IV.NARO.HHZ. 2020-08-16T22:44:35.84 0.6 undecidable manual P 137 122.7882 94 0.69 36
IV.RINC.HHZ. 2020-08-16T22:44:34.04 0.6 undecidable manual S 174 59.5959 98 0.75 40
IV.ZOVE.EHZ. 2020-08-16T22:44:33.33 0.3 undecidable manual P 358 114.5964 94 -0.56 57
IV.CSNT.HHZ. 2020-08-16T22:44:33.29 0.3 undecidable manual P 191 107.0151 94 0.57 58
IV.PII.HHZ. 2020-08-16T22:44:33.76 0.1 undecidable manual P 226 111.6993 94 0.31 81
IV.TEOL.HHZ. 2020-08-16T22:44:32.28 0.1 undecidable manual P 6 104.9172 94 -0.12 85
IV.BDI.HHZ. 2020-08-16T22:44:30.09 0.3 undecidable manual P 242 84.4488 95 0.83 53
IV.CRMI.HHZ. 2020-08-16T22:44:29.47 0.3 undecidable manual P 213 82.251 96 0.55 61
IV.SEI.HHZ. 2020-08-16T22:44:28.36 0.6 undecidable manual S 199 43.0236 103 -0.56 42
IV.FNVD.HHZ. 2020-08-16T22:44:28.00 0.6 undecidable manual S 229 43.0236 103 -0.92 37
IV.ASQU.HHZ. 2020-08-16T22:44:27.26 0.1 undecidable manual P 163 72.2721 97 -0.14 89
IV.SERM.EHN. 2020-08-16T22:44:27.65 0.3 undecidable manual P 344 67.8765 97 0.92 53
IV.RUFI.EHZ. 2020-08-16T22:44:25.94 0.3 undecidable manual P 182 64.7907 98 -0.31 66
IV.SFI.EHZ. 2020-08-16T22:44:25.65 0.3 undecidable manual P 156 62.493 98 -0.26 66
IV.BRIS.HHZ. 2020-08-16T22:44:25.27 0.6 undecidable manual S 140 28.6491 111 0.02 50
IV.RINC.HHZ. 2020-08-16T22:44:24.99 0.1 undecidable manual P 174 59.5959 98 -0.48 85
IV.FIU.EHZ. 2020-08-16T22:44:24.31 0.6 undecidable manual S 352 24.4533 116 0.08 49
IV.VISG.HHZ. 2020-08-16T22:44:24.48 0.6 undecidable manual S 197 26.9508 113 -0.35 47
IV.BRSN.HNE. 2020-08-16T22:44:23.18 0.3 undecidable manual P 109 46.0206 102 -0.22 69
IV.RONT.HHZ. 2020-08-16T22:44:23.32 0.3 undecidable manual P 190 48.1185 101 -0.4 67
IV.MOCL.EHZ. 2020-08-16T22:44:23.78 0.3 undecidable manual P 211 54.0015 99 -0.83 56
IV.RAVA.EHN. 2020-08-16T22:44:23.00 0.3 undecidable manual P 319 49.4172 101 -0.92 56
IV.ZCCA.HHZ. 2020-08-16T22:44:23.24 0.3 undecidable manual P 260 44.7219 102 0.03 73
IV.MTRZ.HHZ. 2020-08-16T22:44:22.54 0.6 undecidable manual S 215 14.7741 133 0.46 47
IV.FNVD.HHZ. 2020-08-16T22:44:21.74 0.1 undecidable manual P 229 43.0236 103 -1.2 65
IV.SEI.HHZ. 2020-08-16T22:44:21.94 0.1 undecidable manual P 199 43.0236 103 -1.01 70
IV.CMPO.HNN. 2020-08-16T22:44:21.76 0.3 undecidable manual P 51 27.9498 112 1.04 54
IV.IMOL.EHZ. 2020-08-16T22:44:20.05 0.3 undecidable manual P 112 17.9709 126 0.67 66
IV.BRIS.HHZ. 2020-08-16T22:44:20.85 0.1 undecidable manual P 140 28.6491 111 0.02 100
IV.FIU.EHZ. 2020-08-16T22:44:19.99 0.1 undecidable manual P 352 24.4533 116 -0.25 97
IV.VISG.HHZ. 2020-08-16T22:44:19.92 0.1 positive manual P 197 26.9508 113 -0.66 85
IV.MTRZ.HHZ. 2020-08-16T22:44:19.40 0.1 undecidable manual P 215 14.7741 133 0.4 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRZ.HHE. ML:1.8 0.0004314767 0.384 AML other m 2020-08-16T22:44:22.80
IV.MTRZ.HNN. ML:2.0 0.0007043179 0.3712 AML other m 2020-08-16T22:44:23.44
IV.MTRZ.HNE. ML:1.8 0.0005138902 1.3952 AML other m 2020-08-16T22:44:23.51
IV.VISG.HHE. ML:1.5 0.0001538571 0.2176 AML other m 2020-08-16T22:44:24.83
IV.FIU.EHE. ML:1.7 0.00028134775 0.192 AML other m 2020-08-16T22:44:25.07
IV.VISG.HHN. ML:1.8 0.00030573095 0.256 AML other m 2020-08-16T22:44:25.55
IV.BRIS.HHE. ML:1.3 0.00009322158 0.4864 AML other m 2020-08-16T22:44:25.88
IV.BRIS.HHN. ML:1.3 0.000082662985 0.192 AML other m 2020-08-16T22:44:26.17
IV.FIU.EHN. ML:1.7 0.00026608015 0.6656 AML other m 2020-08-16T22:44:26.89
IV.IMOL.HNN. ML:1.6 0.0002353465 0.4096 AML other m 2020-08-16T22:44:28.34
IV.SEI.HHE. ML:1.6 0.000104975445 0.2816 AML other m 2020-08-16T22:44:28.77
IV.IMOL.HNE. ML:1.5 0.00019599935 0.6016 AML other m 2020-08-16T22:44:29.04
IV.SEI.HHN. ML:2.1 0.00040366705000000004 0.1792 AML other m 2020-08-16T22:44:29.52
IV.RONT.HHN. ML:1.6 0.00009761753000000001 0.6016 AML other m 2020-08-16T22:44:31.14
IV.RONT.HHE. ML:1.7 0.0001373691 0.576 AML other m 2020-08-16T22:44:32.17
IV.MOCL.EHN. ML:1.1 0.000029730490000000002 1.472 AML other m 2020-08-16T22:44:32.81
IV.MOCL.EHE. ML:1.2 0.00004175205499999999 0.7168 AML other m 2020-08-16T22:44:33.41
IV.RINC.HHE. ML:1.4 0.000049323594999999996 1.2544 AML other m 2020-08-16T22:44:35.12
IV.RINC.HHN. ML:1.4 0.00004684476 0.6272 AML other m 2020-08-16T22:44:34.92
IV.ASQU.HHN. ML:1.5 0.000046425870000000003 0.4864 AML other m 2020-08-16T22:44:39.01
IV.ASQU.HHE. ML:1.3 0.000028243820000000004 0.256 AML other m 2020-08-16T22:44:39.64
IV.CRMI.HHN. ML:0.6 0.0000067695965 0.896 AML other m 2020-08-16T22:44:41.34
IV.CRMI.HHE. ML:1.1 0.000013967705 1.0496 AML other m 2020-08-16T22:44:42.44
IV.BDI.HHE. ML:1.4 0.0000350356 0.896 AML other m 2020-08-16T22:44:42.85
IV.BDI.HHN. ML:1.3 0.000022708779999999997 3.1488 AML other m 2020-08-16T22:44:43.57
IV.TEOL.HHE. ML:2.4 0.00022718255 0.768 AML other m 2020-08-16T22:44:47.10
IV.TEOL.HHN. ML:2.7 0.0005241682999999999 0.4096 AML other m 2020-08-16T22:44:47.65
IV.CSNT.HHE. ML:1.4 0.000021472845000000002 0.5504 AML other m 2020-08-16T22:44:48.24
IV.CSNT.HHN. ML:1.4 0.000019163075 0.7168 AML other m 2020-08-16T22:44:48.41
IV.ZOVE.HNN. ML:2.5 0.00023903844999999997 0.2816 AML other m 2020-08-16T22:44:49.54
IV.ZOVE.EHN. ML:2.5 0.00024053555 0.2816 AML other m 2020-08-16T22:44:49.54
IV.ZOVE.HNE. ML:2.4 0.00022609855000000001 0.2304 AML other m 2020-08-16T22:44:50.07
IV.ZOVE.EHE. ML:2.5 0.00023446425 0.256 AML other m 2020-08-16T22:44:50.09
IV.PII.HHE. ML:2.1 0.00011086825 0.32 AML other m 2020-08-16T22:44:50.09
IV.PII.HHN. ML:2.2 0.0001259678 0.384 AML other m 2020-08-16T22:44:50.27
IV.BADI.EHN. ML:1.7 0.000033494530000000005 0.3968 AML other m 2020-08-16T22:44:54.56
IV.CAFI.HHN. ML:1.2 0.0000084927065 0.8704 AML other m 2020-08-16T22:44:54.60
IV.NARO.HHN. ML:1.6 0.000025066164999999998 0.32 AML other m 2020-08-16T22:44:55.21
IV.NARO.HHE. ML:1.2 0.000011832599000000001 0.9728 AML other m 2020-08-16T22:44:55.58
IV.CAFI.HHE. ML:1.6 0.00002395964 0.64 AML other m 2020-08-16T22:44:55.88
IV.BADI.EHE. ML:1.8 0.00005388701 0.3584 AML other m 2020-08-16T22:44:57.13
IV.MBAL.EHE. ML:2.2 0.0000830632 1.088 AML other m 2020-08-16T22:44:59.05
IV.ATVO.HHN. ML:1.5 0.00002206428 0.4992 AML other m 2020-08-16T22:44:59.23
IV.MBAL.EHN. ML:2.3 0.000088562535 0.448 AML other m 2020-08-16T22:44:59.37
IV.SALO.HHN. ML:1.9 0.000040473215000000005 0.7552 AML other m 2020-08-16T22:45:00.38
IV.SALO.HHE. ML:2.2 0.00007752523999999999 2.1376 AML other m 2020-08-16T22:45:01.27
IV.ATVO.HHE. ML:1.9 0.000042928665 0.5376 AML other m 2020-08-16T22:45:01.22
ST.DOSS.HHE. ML:2.1 0.00006073307 1.3568 AML other m 2020-08-16T22:45:02.18
ST.VARA.EHN. ML:2.3 0.000092020785 0.2176 AML other m 2020-08-16T22:45:02.98
IV.MAGA.HHE. ML:2.7 0.00019649905 0.3968 AML other m 2020-08-16T22:45:03.90
ST.VARA.EHE. ML:2.6 0.0001932469 0.576 AML other m 2020-08-16T22:45:03.66
IV.MAGA.HHN. ML:2.6 0.00017336835 0.512 AML other m 2020-08-16T22:45:03.88
ST.VARA.HNN. ML:2.7 0.00023771865 0.6016 AML other m 2020-08-16T22:45:04.25
SI.LUSI.HHN. ML:2.3 0.00007532808500000001 0.2176 AML other m 2020-08-16T22:45:05.04
SI.LUSI.HHE. ML:2.2 0.00005919007499999999 1.0368 AML other m 2020-08-16T22:45:05.58
IV.ZONE.HHN. ML:2.0 0.00003384042 0.8192 AML other m 2020-08-16T22:45:07.41
ST.RONC.EHE. ML:2.1 0.000040291069999999996 0.6016 AML other m 2020-08-16T22:45:07.91
IV.ZONE.HHE. ML:1.9 0.00002818073 0.3456 AML other m 2020-08-16T22:45:08.44
ST.RONC.EHN. ML:2.2 0.000049080375 1.4848 AML other m 2020-08-16T22:45:08.86
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
Waveforms Seismic signals in miniseed + resp format Download