Earthquake with magnitude of ML 2.0 on date 16-08-2020 and time 00:34:36 (Italy) in region 6 km S Ozzano dell'Emilia (BO)

A magnitude ML 2.0 earthquake occured in region: 6 km S Ozzano dell'Emilia (BO), on

  • 15-08-2020 22:34:36 (UTC)
  • 16-08-2020 00:34:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3950, 11.4920 at 24 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 6 13596 13596
Castel San Pietro Terme BO 8 20811 34407
Monterenzio BO 10 6035 40442
San Lazzaro di Savena BO 11 32065 72507
Dozza BO 12 6652 79159
Pianoro BO 12 17460 96619
Castenaso BO 13 14925 111544
Casalfiumanese BO 15 3438 114982
Medicina BO 15 16739 131721
Borgo Tossignano BO 15 3288 135009
Castel Guelfo di Bologna BO 16 4455 139464
Fontanelice BO 16 1943 141407
Bologna BO 16 386663 528070
Budrio BO 16 18412 546482
Granarolo dell'Emilia BO 18 11910 558392
Imola BO 18 69797 628189
Casalecchio di Reno BO 19 36327 664516
Loiano BO 19 4294 668810
Sasso Marconi BO 20 14735 683545

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SE of Bologna (386663 inhabitants)
18 Km W of Imola (69797 inhabitants)
34 Km W of Faenza (58541 inhabitants)
48 Km W of Forlì (117913 inhabitants)
50 Km S of Ferrara (133155 inhabitants)
53 Km SE of Modena (184973 inhabitants)
56 Km W of Ravenna (159116 inhabitants)
65 Km SE of Carpi (70699 inhabitants)
65 Km NE of Prato (191150 inhabitants)
66 Km W of Cesena (96758 inhabitants)
69 Km NE of Pistoia (90315 inhabitants)
72 Km N of Firenze (382808 inhabitants)
75 Km NE of Scandicci (50609 inhabitants)
76 Km E of Reggio nell'Emilia (171345 inhabitants)
79 Km SW of Rovigo (51867 inhabitants)
93 Km W of Rimini (147750 inhabitants)
100 Km NE of Lucca (89046 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 2020-08-15
22:34:36
44.3952 11.4915 24 2020-11-19
12:36:58
Bollettino Sismico Italiano INGV 82287841
Reviewed
Rev100
ML 2.2 2020-08-15
22:34:35
44.4017 11.4613 32 2020-08-15
22:44:23
Sala Sismica INGV-Roma 82024571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 22:34:36 ± 0.16
Latitude 44.3952 ± 0.0090
Longitude 11.4915 ± 0.0214
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82287841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1548
Semi-minor axis of confidence ellipse (meter) 919
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 1550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.50816
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 82024571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 22:44:23

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 82287841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-08 14:10:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2020-08-15T22:36:26.26 3.0 undecidable manual Sg 8.12 0
IV.ROSPO.HHZ. 2020-08-15T22:36:25.97 3.0 undecidable manual Sg 16.799999 0
IV.TDS.HHZ. 2020-08-15T22:36:08.26 3.0 undecidable manual Pn 3.57 0
IV.ROSPO.HHZ. 2020-08-15T22:35:36.92 3.0 negative manual Pg 8.47 0
IV.COR1.EHZ. 2020-08-15T22:35:05.24 3.0 undecidable manual Pg 3.98 0
IV.MAGA.HHZ. 2020-08-15T22:35:03.07 0.3 undecidable manual P 336 167.4102 54 0.73 44
IV.SALO.HHZ. 2020-08-15T22:35:02.06 0.3 undecidable manual P 331 155.4222 54 1.2 37
ST.VARA.EHZ. 2020-08-15T22:35:02.60 0.3 undecidable manual P 344 165.4122 54 0.5 48
ST.DOSS.HHZ. 2020-08-15T22:35:02.77 0.3 undecidable manual P 352 166.5111 54 0.54 47
OX.CGRP.HHZ. 2020-08-15T22:35:01.52 0.3 undecidable manual P 8 166.611 54 -0.72 46
IV.MBAL.EHZ. 2020-08-15T22:35:00.90 0.3 undecidable manual P 341 152.736 54 0.38 53
IV.NARO.HHZ. 2020-08-15T22:34:59.06 3.0 undecidable manual Pg 0.82 0
IV.TEOL.HHZ. 2020-08-15T22:34:53.74 0.3 undecidable manual P 8 108.2139 98 -0.57 58
IV.FNVD.HHZ. 2020-08-15T22:34:49.49 0.6 undecidable manual S 229 38.628 115 -0.18 46
IV.SEI.HHZ. 2020-08-15T22:34:49.80 0.3 undecidable manual S 196 39.2274 115 -0.02 72
IV.BRIS.HHZ. 2020-08-15T22:34:48.00 0.6 undecidable manual S 131 28.8489 124 0.6 43
IV.SERM.EHE. 2020-08-15T22:34:48.07 0.1 undecidable manual P 347 69.9744 103 -0.44 85
IV.FIU.EHZ. 2020-08-15T22:34:47.21 0.1 undecidable manual S 0 27.2505 126 0.18 96
IV.VISG.HHZ. 2020-08-15T22:34:46.17 0.3 undecidable manual S 191 23.3544 131 -0.04 74
IV.MTRZ.HHZ. 2020-08-15T22:34:45.15 0.1 undecidable manual S 210 10.5783 154 1.06 75
IV.RAVA.EHZ. 2020-08-15T22:34:45.11 0.3 undecidable manual P 324 49.7169 109 -0.4 67
IV.RONT.HHN. 2020-08-15T22:34:45.01 0.1 undecidable manual P 186 44.8218 111 0.21 94
IV.ZCCA.HHZ. 2020-08-15T22:34:44.58 0.3 undecidable manual P 263 41.1255 114 0.3 69
IV.FNVD.HHZ. 2020-08-15T22:34:43.24 0.1 undecidable manual P 229 38.628 115 -0.69 81
IV.SEI.HHZ. 2020-08-15T22:34:43.70 0.3 undecidable manual P 196 39.2274 115 -0.31 69
IV.BRIS.HHZ. 2020-08-15T22:34:42.42 0.3 undecidable manual P 131 28.8489 124 -0.2 72
IV.MTRZ.HHZ. 2020-08-15T22:34:41.08 0.1 undecidable manual P 210 10.5783 154 0.37 96
IV.VISG.HHZ. 2020-08-15T22:34:41.44 0.1 undecidable manual P 191 23.3544 131 -0.5 90
IV.FIU.EHZ. 2020-08-15T22:34:41.52 0.1 undecidable manual P 0 27.2505 126 -0.88 78
IV.IMOL.EHZ. 2020-08-15T22:34:41.63 0.1 undecidable manual P 101 20.2686 135 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHN. ML:1.7 0.0002205 0.84 AML other m 2020-08-15T22:34:46.51
IV.VISG.HHE. ML:1.5 0.0001325 0.9 AML other m 2020-08-15T22:34:46.97
IV.MTRZ.HHE. ML:2.1 0.0007564999999999999 0.38 AML other m 2020-08-15T22:34:47.09
IV.MTRZ.HNE. ML:2.1 0.0007535 0.4 AML other m 2020-08-15T22:34:47.09
IV.MTRZ.HHN. ML:2.2 0.0010539999999999998 1.24 AML other m 2020-08-15T22:34:47.70
IV.MTRZ.HNN. ML:2.2 0.0009329999999999999 1.26 AML other m 2020-08-15T22:34:47.71
IV.BRIS.HHN. ML:1.3 0.0000817 1.6 AML other m 2020-08-15T22:34:48.06
IV.FNVD.HHE. ML:1.5 0.00009025 0.1 AML other m 2020-08-15T22:34:49.91
IV.FNVD.HHN. ML:1.5 0.00009365 0.32 AML other m 2020-08-15T22:34:50.18
IV.FIU.EHE. ML:2.0 0.0003725 0.36 AML other m 2020-08-15T22:34:51.10
IV.SEI.HHN. ML:1.8 0.0002 1.46 AML other m 2020-08-15T22:34:51.89
IV.FIU.EHN. ML:2.0 0.00039600000000000003 0.58 AML other m 2020-08-15T22:34:52.51
IV.SEI.HHE. ML:1.5 0.0000835 0.74 AML other m 2020-08-15T22:34:52.97
IV.BRIS.HHE. ML:1.3 0.00007985 0.3 AML other m 2020-08-15T22:34:53.00
IV.TEOL.HHN. ML:2.5 0.0002495 0.4 AML other m 2020-08-15T22:35:09.21
IV.TEOL.HHE. ML:2.4 0.00020150000000000002 1.12 AML other m 2020-08-15T22:35:09.61
IV.NARO.HHE. ML:1.2 0.00000969 0.52 AML other m 2020-08-15T22:35:21.35
IV.NARO.HHN. ML:1.3 0.00001535 0.38 AML other m 2020-08-15T22:35:23.11
IV.SALO.HHE. ML:2.0 0.000048 1.32 AML other m 2020-08-15T22:35:24.09
ST.DOSS.HHE. ML:2.2 0.00007185 0.42 AML other m 2020-08-15T22:35:24.60
IV.MAGA.HHE. ML:2.4 0.00009715 0.34 AML other m 2020-08-15T22:35:25.44
ST.DOSS.HHN. ML:2.4 0.00010065000000000001 0.38 AML other m 2020-08-15T22:35:25.28
ST.VARA.EHE. ML:2.4 0.0001065 0.6 AML other m 2020-08-15T22:35:25.84
ST.VARA.EHN. ML:2.2 0.00007285 0.52 AML other m 2020-08-15T22:35:25.30
IV.MAGA.HHN. ML:2.3 0.00009204999999999999 0.24 AML other m 2020-08-15T22:35:26.55
OX.CGRP.HHN. ML:1.9 0.0000348 0.56 AML other m 2020-08-15T22:35:28.44
OX.CGRP.HHE. ML:1.9 0.000032 0.64 AML other m 2020-08-15T22:35:28.77
IV.SALO.HHN. ML:2.0 0.000048100000000000004 0.68 AML other m 2020-08-15T22:35:29.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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