Earthquake with magnitude of ML 1.3 on date 17-08-2020 and time 23:20:14 (UTC) in region 3 km S Ozzano dell'Emilia (BO)

A magnitude ML 1.3 earthquake occured in region: 3 km S Ozzano dell'Emilia (BO), on

  • 17-08-2020 23:20:14 (UTC)
  • 18-08-2020 01:20:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4150, 11.4760 at 29 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 13596 13596
San Lazzaro di Savena BO 8 32065 45661
Castel San Pietro Terme BO 9 20811 66472
Castenaso BO 11 14925 81397
Pianoro BO 11 17460 98857
Monterenzio BO 11 6035 104892
Dozza BO 14 6652 111544
Bologna BO 14 386663 498207
Budrio BO 15 18412 516619
Medicina BO 15 16739 533358
Granarolo dell'Emilia BO 16 11910 545268
Castel Guelfo di Bologna BO 16 4455 549723
Casalecchio di Reno BO 17 36327 586050
Casalfiumanese BO 17 3438 589488
Borgo Tossignano BO 18 3288 592776
Sasso Marconi BO 18 14735 607511
Fontanelice BO 19 1943 609454
Castel Maggiore BO 20 18231 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)
48 Km S of Ferrara (133155 inhabitants)
50 Km W of Forlì (117913 inhabitants)
51 Km SE of Modena (184973 inhabitants)
58 Km W of Ravenna (159116 inhabitants)
62 Km SE of Carpi (70699 inhabitants)
67 Km NE of Prato (191150 inhabitants)
68 Km W of Cesena (96758 inhabitants)
70 Km NE of Pistoia (90315 inhabitants)
74 Km N of Firenze (382808 inhabitants)
74 Km E of Reggio nell'Emilia (171345 inhabitants)
77 Km NE of Scandicci (50609 inhabitants)
77 Km SW of Rovigo (51867 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
Reviewed
Rev100
ML 1.3 2020-08-17
23:20:14
44.415 11.4757 29 2020-08-17
23:32:01
Sala Sismica INGV-Roma 82099891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-17 23:20:14 ± 0.41
Latitude 44.4150 ± 0.0081
Longitude 11.4757 ± 0.0264
Depth (km) 29 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82099891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1771
Semi-minor axis of confidence ellipse (meter) 1135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 1770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37052
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 82099891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-17 23:32:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2020-08-17T23:21:50.14 3.0 undecidable manual Sg 4.76 0
IV.MCRV.HHZ. 2020-08-17T23:21:38.78 3.0 undecidable manual Pg 14.15 0
IV.CMPR.HHZ. 2020-08-17T23:21:32.05 3.0 undecidable manual Pn 1.33 0
IV.GAVE.EHZ. 2020-08-17T23:21:18.27 3.0 undecidable manual Sg 1.32 0
IV.ARVD.HHZ. 2020-08-17T23:21:01.43 3.0 undecidable manual Sg -0.14 0
IV.SNTG.HHZ. 2020-08-17T23:20:57.63 3.0 undecidable manual Sn -8.3 0
IV.RSM2.HHZ. 2020-08-17T23:20:43.63 3.0 undecidable manual Sg -1.21 0
IV.RSM2.HHZ. 2020-08-17T23:20:30.38 3.0 undecidable manual P -1.59 0
IV.SEI.HHZ. 2020-08-17T23:20:29.09 0.3 undecidable manual S 193 41.1255 119 0.11 98
IV.FNVD.HHZ. 2020-08-17T23:20:28.68 0.3 undecidable manual S 226 39.2274 121 0.13 98
IV.VISG.HHZ. 2020-08-17T23:20:25.30 0.3 undecidable manual S 187 25.2525 134 -0.29 97
IV.FIU.EHZ. 2020-08-17T23:20:25.42 0.6 undecidable manual S 3 25.0527 135 -0.11 66
IV.SEI.HHZ. 2020-08-17T23:20:22.56 0.3 undecidable manual P 193 41.1255 119 -0.2 96
IV.FNVD.HHZ. 2020-08-17T23:20:22.37 0.3 undecidable manual P 226 39.2274 121 -0.15 97
IV.BRIS.HHZ. 2020-08-17T23:20:21.86 0.6 undecidable manual P 132 31.2465 128 0.35 63
IV.MTRZ.HNZ. 2020-08-17T23:20:20.21 0.3 undecidable manual P 200 12.0768 155 0.6 91
IV.VISG.HHZ. 2020-08-17T23:20:20.54 0.3 undecidable manual P 187 25.2525 134 -0.27 97
IV.FIU.EHZ. 2020-08-17T23:20:20.67 0.3 undecidable manual P 3 25.0527 135 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIU.EHN. ML:1.6 0.0001338 0.46 AML other m 2020-08-17T23:20:31.54
IV.SEI.HHE. ML:1.1 0.0000352 1.44 AML other m 2020-08-17T23:20:29.84
IV.SEI.HHN. ML:1.5 0.00008360000000000001 0.9 AML other m 2020-08-17T23:20:29.15
IV.VISG.HHE. ML:1.0 0.00003589531 0.2432 AML other m 2020-08-17T23:20:26.04
IV.FIU.EHE. ML:1.6 0.00015032784999999998 1.7408 AML other m 2020-08-17T23:20:26.67
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