Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 17-08-2020 and time 00:49:24 (Italy) in region 3 km S Ozzano dell'Emilia (BO)

A magnitude ML 2.0 earthquake occured in region: 3 km S Ozzano dell'Emilia (BO), on

  • 16-08-2020 22:49:24 (UTC)
  • 17-08-2020 00:49:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4200, 11.4720 at 22 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 3 13596 13596
San Lazzaro di Savena BO 8 32065 45661
Castel San Pietro Terme BO 10 20811 66472
Castenaso BO 10 14925 81397
Pianoro BO 11 17460 98857
Monterenzio BO 12 6035 104892
Bologna BO 13 386663 491555
Dozza BO 14 6652 498207
Budrio BO 14 18412 516619
Medicina BO 15 16739 533358
Granarolo dell'Emilia BO 15 11910 545268
Casalecchio di Reno BO 17 36327 581595
Castel Guelfo di Bologna BO 17 4455 586050
Casalfiumanese BO 18 3438 589488
Sasso Marconi BO 18 14735 604223
Borgo Tossignano BO 18 3288 607511
Fontanelice BO 19 1943 609454
Castel Maggiore BO 19 18231 627685

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Bologna (386663 inhabitants)
21 Km W of Imola (69797 inhabitants)
36 Km W of Faenza (58541 inhabitants)
48 Km S of Ferrara (133155 inhabitants)
50 Km SE of Modena (184973 inhabitants)
50 Km W of Forlì (117913 inhabitants)
58 Km W of Ravenna (159116 inhabitants)
62 Km SE of Carpi (70699 inhabitants)
67 Km NE of Prato (191150 inhabitants)
69 Km W of Cesena (96758 inhabitants)
70 Km NE of Pistoia (90315 inhabitants)
74 Km E of Reggio nell'Emilia (171345 inhabitants)
74 Km N of Firenze (382808 inhabitants)
77 Km SW of Rovigo (51867 inhabitants)
77 Km NE of Scandicci (50609 inhabitants)
96 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 2.0 2020-08-16
22:49:24		 44.4198 11.472 22 2020-11-19
12:36:59		 Bollettino Sismico Italiano INGV 82489861
Reviewed
Rev100 		ML 2.1 2020-08-16
22:49:23		 44.4307 11.4885 31 2020-08-16
23:05:04		 Sala Sismica INGV-Roma 82060761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-16 22:49:24 ± 0.11
Latitude 44.4198 ± 0.0063
Longitude 11.4720 ± 0.0176
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82489861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1009
Semi-minor axis of confidence ellipse (meter) 964
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
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) 64
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
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) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 2.22852
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 55
Type of magnitude ML
Reference to an origin 82489861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-08 17:25:11

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 56
Type of magnitude ML
Reference to an origin 82060761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-16 23:05:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.LUSI.HHZ. 2020-08-16T22:50:13.35 0.6 undecidable manual S 347 175.6908 54 1.73 18
ST.VARA.EHZ. 2020-08-16T22:50:10.17 0.6 undecidable manual S 344 162.4152 54 1.43 23
ST.DOSS.HHZ. 2020-08-16T22:50:09.67 0.6 undecidable manual S 352 163.614 54 0.67 33
NI.VINO.HHZ. 2020-08-16T22:49:59.14 0.3 undecidable manual P 34 247.3635 54 -1.27 22
IV.PII.HHZ. 2020-08-16T22:49:57.49 0.6 undecidable manual S 225 108.114 97 1.98 19
IV.ZOVE.EHZ. 2020-08-16T22:49:57.01 0.6 undecidable manual S 1 114.6963 96 -0.25 43
IV.STAL.HHZ. 2020-08-16T22:49:56.58 0.3 undecidable manual P 25 225.8073 54 -1.16 28
IV.TEOL.HHZ. 2020-08-16T22:49:54.93 0.6 undecidable manual S 9 105.7164 97 0.06 44
NI.POLC.HHZ. 2020-08-16T22:49:53.23 0.3 undecidable manual P 24 195.5598 54 -0.74 40
IV.FREG.EHZ. 2020-08-16T22:49:52.65 0.6 undecidable manual P 20 188.367 54 -0.43 31
SI.LUSI.HHZ. 2020-08-16T22:49:51.27 0.3 undecidable manual P 347 175.6908 54 -0.23 52
ST.VARA.EHZ. 2020-08-16T22:49:50.20 0.3 undecidable manual P 344 162.4152 54 0.36 55
ST.DOSS.HHZ. 2020-08-16T22:49:49.02 0.3 undecidable manual P 352 163.614 54 -0.97 43
IV.MAGA.HHZ. 2020-08-16T22:49:49.59 0.3 undecidable manual P 337 164.2134 54 -0.48 52
IV.MBAL.EHZ. 2020-08-16T22:49:48.72 0.3 undecidable manual P 341 149.6391 54 0.46 57
IV.CAFI.HHZ. 2020-08-16T22:49:46.49 0.3 undecidable manual P 162 127.2726 96 1.35 40
IV.BADI.EHZ. 2020-08-16T22:49:45.79 0.6 undecidable manual P 148 118.2927 96 2.03 17
IV.PII.HHZ. 2020-08-16T22:49:43.10 0.1 undecidable manual P 225 108.114 97 0.9 70
IV.RINC.HHN. 2020-08-16T22:49:43.62 0.6 undecidable manual S 170 60.0954 103 0.74 40
IV.ZOVE.EHZ. 2020-08-16T22:49:42.88 0.3 undecidable manual P 1 114.6963 96 -0.33 63
IV.CPGN.EHZ. 2020-08-16T22:49:41.99 0.3 undecidable manual P 135 96.3258 98 1.59 36
IV.TEOL.HHZ. 2020-08-16T22:49:41.72 0.1 undecidable manual P 9 105.7164 97 -0.11 89
IV.FNVD.HHZ. 2020-08-16T22:49:37.49 0.6 undecidable manual S 225 39.3273 112 -0.08 50
IV.SEI.HHZ. 2020-08-16T22:49:37.90 0.6 undecidable manual S 193 41.5251 110 -0.22 49
GU.POPM.HHZ. 2020-08-16T22:49:37.45 0.3 undecidable manual P 234 70.374 101 1 54
IV.SERM.EHN. 2020-08-16T22:49:36.83 0.6 undecidable manual P 348 66.8775 102 0.9 37
IV.ASQU.HHZ. 2020-08-16T22:49:36.76 0.1 undecidable manual P 160 73.5708 100 -0.18 93
IV.SFI.EHZ. 2020-08-16T22:49:35.12 0.3 undecidable manual P 152 64.491 102 -0.44 67
IV.RINC.HHN. 2020-08-16T22:49:34.38 0.3 undecidable manual P 170 60.0954 103 -0.52 66
IV.MPPT.EHZ. 2020-08-16T22:49:34.63 0.3 undecidable manual P 211 59.5959 103 -0.19 71
IV.VISG.HHZ. 2020-08-16T22:49:34.00 0.6 undecidable manual S 187 25.752 124 -0.35 49
IV.IMOL.EHZ. 2020-08-16T22:49:33.99 0.6 undecidable manual S 107 22.4553 128 0.36 48
IV.FIU.EHZ. 2020-08-16T22:49:33.72 0.6 undecidable manual S 4 24.5532 125 -0.35 50
IV.RONT.HHZ. 2020-08-16T22:49:32.58 0.3 undecidable manual P 184 47.4192 107 -0.43 69
IV.MOCL.EHZ. 2020-08-16T22:49:32.97 0.3 undecidable manual P 207 51.5151 106 -0.65 64
IV.ZCCA.HHZ. 2020-08-16T22:49:32.44 0.3 undecidable manual P 259 40.0266 111 0.5 70
IV.RAVA.EHZ. 2020-08-16T22:49:32.81 0.3 undecidable manual P 323 46.62 108 -0.08 75
IV.MTRZ.HHZ. 2020-08-16T22:49:31.98 0.6 undecidable manual S 198 12.4764 147 0.17 52
IV.CMPO.HNZ. 2020-08-16T22:49:31.67 0.3 undecidable manual P 56 31.8459 117 0.88 59
IV.FNVD.HHZ. 2020-08-16T22:49:31.21 0.1 undecidable manual P 225 39.3273 112 -0.63 87
IV.SEI.HHZ. 2020-08-16T22:49:31.41 0.3 undecidable manual P 193 41.5251 110 -0.75 62
IV.IMOL.EHZ. 2020-08-16T22:49:30.11 0.3 undecidable manual P 107 22.4553 128 0.54 69
IV.BRIS.HHZ. 2020-08-16T22:49:30.27 0.3 undecidable manual P 133 31.8459 117 -0.52 71
IV.FIU.EHZ. 2020-08-16T22:49:29.46 0.1 positive manual P 4 24.5532 125 -0.36 99
IV.VISG.HHZ. 2020-08-16T22:49:29.29 0.1 undecidable manual P 187 25.752 124 -0.7 88
IV.MTRZ.HHZ. 2020-08-16T22:49:28.85 0.1 positive manual P 198 12.4764 147 0.33 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRZ.HHE. ML:1.9 0.0005727735 0.32 AML other m 2020-08-16T22:49:32.27
IV.MTRZ.HNE. ML:1.9 0.0005591715000000001 0.3072 AML other m 2020-08-16T22:49:32.28
IV.MTRZ.HHN. ML:2.4 0.0014558525 0.6656 AML other m 2020-08-16T22:49:33.98
IV.MTRZ.HNN. ML:2.3 0.001396131 0.6656 AML other m 2020-08-16T22:49:33.98
IV.VISG.HHN. ML:2.0 0.00040546745 0.704 AML other m 2020-08-16T22:49:34.32
IV.VISG.HHE. ML:1.6 0.0001841372 0.6912 AML other m 2020-08-16T22:49:34.41
IV.FIU.EHE. ML:1.8 0.0003036837 0.2048 AML other m 2020-08-16T22:49:34.53
IV.BRIS.HHN. ML:1.8 0.00021133869999999998 0.3968 AML other m 2020-08-16T22:49:37.04
IV.BRIS.HHE. ML:1.5 0.00012941925 0.2048 AML other m 2020-08-16T22:49:37.07
IV.FNVD.HHE. ML:1.7 0.00016265285 0.1024 AML other m 2020-08-16T22:49:37.69
IV.FNVD.HHN. ML:1.8 0.00017549999999999998 0.1 AML other m 2020-08-16T22:49:37.81
IV.SEI.HHE. ML:1.6 0.00013091675 0.1408 AML other m 2020-08-16T22:49:38.03
IV.SEI.HHN. ML:2.1 0.00037614705 0.1536 AML other m 2020-08-16T22:49:38.35
IV.RONT.HHE. ML:1.8 0.0001430558 0.576 AML other m 2020-08-16T22:49:41.36
IV.RONT.HHN. ML:1.8 0.00015511515 0.576 AML other m 2020-08-16T22:49:41.61
IV.SFI.EHE. ML:1.4 0.000042042125 1.1008 AML other m 2020-08-16T22:49:45.95
IV.MPPT.EHE. ML:1.3 0.0000409 0.44 AML other m 2020-08-16T22:49:46.77
IV.SFI.EHN. ML:1.5 0.000052474190000000006 0.448 AML other m 2020-08-16T22:49:47.61
IV.ASQU.HHN. ML:1.6 0.000055361499999999995 0.4736 AML other m 2020-08-16T22:49:48.49
IV.MPPT.EHN. ML:1.3 0.000034722185000000003 0.3584 AML other m 2020-08-16T22:49:48.33
GU.POPM.HHE. ML:1.4 0.000032675955 0.5376 AML other m 2020-08-16T22:49:48.74
GU.POPM.HHN. ML:1.5 0.000046560555000000006 0.2816 AML other m 2020-08-16T22:49:49.98
IV.ASQU.HHE. ML:1.4 0.00003706372 1.6768 AML other m 2020-08-16T22:49:50.07
IV.BDI.HHN. ML:1.4 0.000028559535 2.1632 AML other m 2020-08-16T22:49:53.24
IV.BDI.HHE. ML:1.6 0.000049801650000000005 0.896 AML other m 2020-08-16T22:49:52.30
IV.TEOL.HHE. ML:2.5 0.00027453295 0.768 AML other m 2020-08-16T22:49:56.58
IV.TEOL.HHN. ML:2.8 0.00060426705 0.4096 AML other m 2020-08-16T22:49:57.13
IV.ZOVE.HNN. ML:2.6 0.0002864081 0.2816 AML other m 2020-08-16T22:49:58.00
IV.ZOVE.EHN. ML:2.6 0.00028320225 0.2688 AML other m 2020-08-16T22:49:58.00
IV.ZOVE.HNE. ML:2.6 0.00027681689999999997 0.2688 AML other m 2020-08-16T22:49:59.55
IV.ZOVE.EHE. ML:2.6 0.00027675379999999997 0.2688 AML other m 2020-08-16T22:49:59.55
IV.PII.HHE. ML:2.3 0.0001525 0.32 AML other m 2020-08-16T22:49:59.56
IV.PII.HHN. ML:2.3 0.0001655 0.38 AML other m 2020-08-16T22:49:59.74
IV.BADI.EHN. ML:1.7 0.000042139385000000004 1.0112 AML other m 2020-08-16T22:50:04.34
IV.NARO.HHN. ML:1.6 0.000027305905 0.32 AML other m 2020-08-16T22:50:04.69
IV.CAFI.HHE. ML:1.7 0.00002884371 1.6 AML other m 2020-08-16T22:50:05.36
IV.CAFI.HHN. ML:1.4 0.000016940515 0.8704 AML other m 2020-08-16T22:50:05.52
IV.NARO.HHE. ML:1.4 0.000016242869999999998 0.5248 AML other m 2020-08-16T22:50:06.11
IV.BADI.EHE. ML:1.9 0.00006451448500000001 0.3456 AML other m 2020-08-16T22:50:06.60
IV.MBAL.HNN. ML:2.6 0.00019281075 0.4992 AML other m 2020-08-16T22:50:08.06
IV.MBAL.EHE. ML:2.2 0.00008998871 0.4992 AML other m 2020-08-16T22:50:08.76
IV.MBAL.EHN. ML:2.2 0.000087277985 0.4352 AML other m 2020-08-16T22:50:08.83
ST.DOSS.HHE. ML:2.6 0.0001725 0.48 AML other m 2020-08-16T22:50:12.52
ST.DOSS.HNN. ML:2.6 0.0001664967 0.4608 AML other m 2020-08-16T22:50:12.52
ST.VARA.EHE. ML:2.5 0.00013974959999999998 0.4352 AML other m 2020-08-16T22:50:12.31
ST.VARA.HNN. ML:2.6 0.000197379 0.2176 AML other m 2020-08-16T22:50:13.13
IV.MAGA.HHE. ML:2.8 0.0002478317 0.384 AML other m 2020-08-16T22:50:13.34
IV.MAGA.HHN. ML:2.7 0.0002185 0.34 AML other m 2020-08-16T22:50:13.34
ST.DOSS.HHN. ML:2.7 0.0002090373 0.3712 AML other m 2020-08-16T22:50:13.18
ST.DOSS.HNE. ML:2.7 0.0002165 1.6 AML other m 2020-08-16T22:50:13.99
ST.VARA.EHN. ML:2.5 0.00015075374999999998 0.192 AML other m 2020-08-16T22:50:13.18
SI.LUSI.HHE. ML:2.3 0.00007414255000000001 0.32 AML other m 2020-08-16T22:50:15.03
SI.LUSI.HHN. ML:2.6 0.00013366705 0.3968 AML other m 2020-08-16T22:50:15.19
NI.VINO.HHE. ML:1.9 0.00001715073 0.4352 AML other m 2020-08-16T22:50:37.92
NI.VINO.HHN. ML:2.1 0.000023508620000000002 0.2688 AML other m 2020-08-16T22:50:40.02
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