Earthquake with magnitude of ML 1.9 on date 16-08-2020 and time 22:42:33 (UTC) in region 2 km S Ozzano dell'Emilia (BO)

A magnitude ML 1.9 earthquake occured in region: 2 km S Ozzano dell'Emilia (BO), on

  • 16-08-2020 22:42:33 (UTC)
  • 17-08-2020 00:42:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4250, 11.4810 at 17 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
Ozzano dell'Emilia BO 2 13596 13596
San Lazzaro di Savena BO 8 32065 45661
Castel San Pietro Terme BO 9 20811 66472
Castenaso BO 10 14925 81397
Pianoro BO 12 17460 98857
Monterenzio BO 13 6035 104892
Budrio BO 13 18412 123304
Bologna BO 14 386663 509967
Dozza BO 14 6652 516619
Medicina BO 14 16739 533358
Granarolo dell'Emilia BO 15 11910 545268
Castel Guelfo di Bologna BO 16 4455 549723
Casalecchio di Reno BO 17 36327 586050
Casalfiumanese BO 18 3438 589488
Borgo Tossignano BO 19 3288 592776
Sasso Marconi BO 19 14735 607511
Castel Maggiore BO 19 18231 625742
Fontanelice BO 20 1943 627685

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SE of Bologna (386663 inhabitants)
20 Km W of Imola (69797 inhabitants)
36 Km W of Faenza (58541 inhabitants)
47 Km S of Ferrara (133155 inhabitants)
50 Km W of Forlì (117913 inhabitants)
50 Km E of Modena (184973 inhabitants)
57 Km W of Ravenna (159116 inhabitants)
62 Km SE of Carpi (70699 inhabitants)
68 Km NE of Prato (191150 inhabitants)
69 Km W of Cesena (96758 inhabitants)
71 Km NE of Pistoia (90315 inhabitants)
74 Km E of Reggio nell'Emilia (171345 inhabitants)
75 Km N of Firenze (382808 inhabitants)
76 Km SW of Rovigo (51867 inhabitants)
78 Km NE of Scandicci (50609 inhabitants)
95 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 1.9 2020-08-16
22:42:33
44.4248 11.4808 17 2020-11-19
12:36:59
Bollettino Sismico Italiano INGV 82404431
Reviewed
Rev100
ML 1.7 2020-08-16
22:42:32
44.4293 11.4455 29 2020-08-16
23:37:42
Sala Sismica INGV-Roma 82061921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-16 22:42:33 ± 0.11
Latitude 44.4248 ± 0.0063
Longitude 11.4808 ± 0.0164
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82404431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1208
Semi-minor axis of confidence ellipse (meter) 377
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 1210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.11871
Epicentral distance of station farthest from the epicenter (degree) 1.57921
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 82061921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-16 23:37:42

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 41
Type of magnitude ML
Reference to an origin 82404431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-08 17:10:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHZ. 2020-08-16T22:43:20.64 0.6 undecidable manual S 336 164.0136 54 1.16 25
ST.DOSS.HHZ. 2020-08-16T22:43:19.36 0.6 undecidable manual S 352 163.1145 54 0.07 38
IV.ZOVE.EHZ. 2020-08-16T22:43:06.45 0.3 undecidable manual S 0 114.0969 93 -0.09 66
IV.TEOL.HHZ. 2020-08-16T22:43:03.96 0.6 undecidable manual S 8 105.0171 94 -0.15 44
SI.LUSI.HHZ. 2020-08-16T22:43:01.42 0.3 undecidable manual P 346 175.2912 54 -0.07 54
IV.MAGA.HHZ. 2020-08-16T22:42:59.93 0.3 undecidable manual P 336 164.0136 54 -0.15 56
ST.VARA.EHZ. 2020-08-16T22:42:59.53 0.1 undecidable manual P 344 162.0156 54 -0.3 73
ST.DOSS.HHZ. 2020-08-16T22:42:59.62 0.3 undecidable manual P 352 163.1145 54 -0.35 54
IV.CAFI.HHZ. 2020-08-16T22:42:56.08 0.3 undecidable manual P 162 127.5723 93 1.39 39
IV.NARO.HHZ. 2020-08-16T22:42:55.29 0.6 undecidable manual P 135 125.874 93 0.87 34
IV.BADI.EHZ. 2020-08-16T22:42:55.08 0.3 undecidable manual P 149 118.3926 93 1.81 31
GU.GRAM.HHZ. 2020-08-16T22:42:54.20 0.3 undecidable manual P 274 112.2987 93 1.88 28
IV.ZOVE.EHZ. 2020-08-16T22:42:52.14 0.3 undecidable manual P 0 114.0969 93 -0.47 61
IV.CSNT.HHZ. 2020-08-16T22:42:52.00 0.3 undecidable manual P 188 106.7154 94 0.54 60
IV.RINC.HHN. 2020-08-16T22:42:52.95 0.6 undecidable manual S 170 60.5949 97 0.66 43
IV.PII.HHZ. 2020-08-16T22:42:52.19 0.3 undecidable manual P 225 109.0131 93 0.36 62
GU.CARD.HHZ. 2020-08-16T22:42:50.63 0.6 undecidable manual P 241 90.9423 94 1.59 24
IV.TEOL.HHZ. 2020-08-16T22:42:50.41 0.3 undecidable manual P 8 105.0171 94 -0.8 54
IV.CRMI.HHZ. 2020-08-16T22:42:48.16 0.3 undecidable manual P 210 80.4639 95 0.73 58
IV.FNVD.HHZ. 2020-08-16T22:42:46.40 0.6 undecidable manual S 225 40.2264 102 -0.55 46
IV.SERM.EHN. 2020-08-16T22:42:46.40 0.3 undecidable manual P 347 66.4779 96 1.1 50
IV.SEI.HHZ. 2020-08-16T22:42:46.87 0.6 undecidable manual S 193 42.2244 101 -0.6 44
IV.ASQU.HHZ. 2020-08-16T22:42:46.05 0.3 undecidable manual P 160 73.8705 95 -0.38 66
GU.POPM.HHZ. 2020-08-16T22:42:46.51 0.3 undecidable manual P 234 71.2731 96 0.47 65
IV.BRIS.HHZ. 2020-08-16T22:42:45.06 0.6 undecidable manual S 134 31.746 106 0.32 49
IV.RUFI.EHE. 2020-08-16T22:42:44.70 0.3 undecidable manual P 178 65.1903 96 -0.38 67
IV.IMOL.EHZ. 2020-08-16T22:42:43.05 0.6 undecidable manual S 109 21.9669 117 0.74 45
IV.SFI.HNN. 2020-08-16T22:42:43.98 0.6 undecidable manual P 153 64.5909 96 -1.03 34
IV.RINC.HHN. 2020-08-16T22:42:43.79 0.3 undecidable manual P 170 60.5949 97 -0.6 63
IV.VISG.HHZ. 2020-08-16T22:42:43.09 0.6 undecidable manual S 188 26.4513 111 -0.3 49
IV.RONT.HHZ. 2020-08-16T22:42:42.04 0.3 undecidable manual P 185 48.0186 99 -0.43 69
IV.FIU.EHZ. 2020-08-16T22:42:42.72 0.6 undecidable manual S 2 23.8539 114 -0.06 52
IV.MOCL.EHZ. 2020-08-16T22:42:42.37 0.3 undecidable manual P 207 52.3032 98 -0.76 61
IV.MTRZ.HHZ. 2020-08-16T22:42:41.28 0.6 undecidable manual S 200 13.1757 134 0.89 41
IV.RAVA.EHZ. 2020-08-16T22:42:41.86 0.3 undecidable manual P 322 46.5201 100 -0.39 71
IV.FNVD.HHZ. 2020-08-16T22:42:41.08 0.3 undecidable manual P 225 40.2264 102 -0.22 73
IV.CMPO.HNN. 2020-08-16T22:42:40.56 0.3 undecidable manual P 56 30.9468 107 0.65 67
IV.SEI.HHZ. 2020-08-16T22:42:40.45 0.3 undecidable manual P 193 42.2244 101 -1.14 51
IV.BRIS.HHZ. 2020-08-16T22:42:39.37 0.1 undecidable manual P 134 31.746 106 -0.66 86
IV.IMOL.EHZ. 2020-08-16T22:42:39.01 0.3 undecidable manual P 109 21.9669 117 0.39 74
IV.VISG.HHZ. 2020-08-16T22:42:38.43 0.1 undecidable manual P 188 26.4513 111 -0.82 82
IV.FIU.EHZ. 2020-08-16T22:42:38.52 0.1 positive manual P 2 23.8539 114 -0.36 98
IV.MTRZ.HHZ. 2020-08-16T22:42:37.84 0.1 undecidable manual P 200 13.1757 134 0.33 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRZ.HHE. ML:1.6 0.00035210935 0.3328 AML other m 2020-08-16T22:42:41.30
IV.MTRZ.HHN. ML:1.8 0.0005429090000000001 0.3328 AML other m 2020-08-16T22:42:41.91
IV.MTRZ.HNN. ML:1.8 0.0005060143 0.32 AML other m 2020-08-16T22:42:41.75
IV.MTRZ.HNE. ML:1.8 0.0004689894 1.4208 AML other m 2020-08-16T22:42:42.02
IV.VISG.HHN. ML:1.7 0.0002336091 0.3968 AML other m 2020-08-16T22:42:43.37
IV.VISG.HHE. ML:1.4 0.00011137690000000001 0.2304 AML other m 2020-08-16T22:42:43.44
IV.BRIS.HHN. ML:1.5 0.00012359705 0.448 AML other m 2020-08-16T22:42:46.08
IV.FNVD.HHE. ML:1.6 0.00013350000000000002 0.08 AML other m 2020-08-16T22:42:46.83
IV.FNVD.HHN. ML:1.6 0.0001325 0.1 AML other m 2020-08-16T22:42:46.86
IV.SEI.HHN. ML:2.0 0.00026874355 0.704 AML other m 2020-08-16T22:42:47.39
IV.SEI.HHE. ML:1.4 0.000086433395 0.1408 AML other m 2020-08-16T22:42:47.73
IV.RONT.HHN. ML:1.5 0.00007654131 0.5888 AML other m 2020-08-16T22:42:49.66
IV.RONT.HHE. ML:1.6 0.00009884034999999999 0.5888 AML other m 2020-08-16T22:42:50.39
IV.RAVA.EHN. ML:1.7 0.0001495 1.14 AML other m 2020-08-16T22:42:52.87
IV.RAVA.EHE. ML:1.9 0.0002375 0.66 AML other m 2020-08-16T22:42:52.34
IV.ASQU.HHN. ML:1.4 0.000033829175 0.4864 AML other m 2020-08-16T22:42:57.52
GU.POPM.HHN. ML:1.3 0.000030335805 0.3584 AML other m 2020-08-16T22:42:59.04
IV.CRMI.HHE. ML:0.9 0.000010267282500000001 1.0368 AML other m 2020-08-16T22:43:00.96
IV.TEOL.HHE. ML:2.1 0.00012176425 0.704 AML other m 2020-08-16T22:43:04.86
IV.TEOL.HHN. ML:2.6 0.000398 1.6 AML other m 2020-08-16T22:43:06.16
IV.ZOVE.HNN. ML:2.3 0.00017576120000000001 0.2816 AML other m 2020-08-16T22:43:08.03
IV.ZOVE.EHN. ML:2.2 0.00012952805 0.2176 AML other m 2020-08-16T22:43:07.88
IV.PII.HHE. ML:2.0 0.0000939 0.3 AML other m 2020-08-16T22:43:08.62
IV.PII.HHN. ML:2.1 0.0001048 0.38 AML other m 2020-08-16T22:43:08.80
IV.ZOVE.EHE. ML:2.5 0.00023549999999999998 0.46 AML other m 2020-08-16T22:43:08.58
IV.ZOVE.HNE. ML:2.5 0.0002405 0.48 AML other m 2020-08-16T22:43:08.81
GU.GRAM.HHE. ML:1.7 0.000039750000000000004 0.28 AML other m 2020-08-16T22:43:11.65
IV.BADI.EHN. ML:1.5 0.0000266 1.6 AML other m 2020-08-16T22:43:13.07
IV.BADI.EHE. ML:1.5 0.000024670730000000003 0.3712 AML other m 2020-08-16T22:43:13.80
IV.PIEI.HHE. ML:1.4 0.000015980609999999998 0.256 AML other m 2020-08-16T22:43:15.60
IV.PIEI.HHN. ML:1.2 0.000009919190499999999 1.3952 AML other m 2020-08-16T22:43:16.52
ST.DOSS.HNN. ML:2.4 0.0001197 0.42 AML other m 2020-08-16T22:43:20.33
IV.MAGA.HHN. ML:2.2 0.000066677875 0.3584 AML other m 2020-08-16T22:43:21.44
ST.DOSS.HHE. ML:2.4 0.000106 0.48 AML other m 2020-08-16T22:43:21.32
IV.MAGA.HHE. ML:2.4 0.00010951030000000001 0.5504 AML other m 2020-08-16T22:43:21.59
ST.VARA.EHN. ML:2.3 0.000091496595 0.8576 AML other m 2020-08-16T22:43:21.50
ST.DOSS.HHN. ML:2.5 0.00014350000000000002 0.38 AML other m 2020-08-16T22:43:22.22
ST.DOSS.HNE. ML:2.5 0.0001256 0.38 AML other m 2020-08-16T22:43:22.03
ST.VARA.EHE. ML:2.5 0.000149 0.96 AML other m 2020-08-16T22:43:22.77
SI.LUSI.HHE. ML:2.2 0.00005385 0.92 AML other m 2020-08-16T22:43:24.09
IV.MBAL.EHE. ML:2.7 0.0002405 0.06 AML other m 2020-08-16T22:43:32.74
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