Earthquake with magnitude of ML 1.7 on date 11-08-2022 and time 22:45:46 (Italy) in region 3 km W Zocca (MO)

A magnitude ML 1.7 earthquake occured in region: 3 km W Zocca (MO), on

  • 11-08-2022 20:45:46 (UTC)
  • 11-08-2022 22:45:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3520, 10.9560 at 34 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
Zocca MO 3 4719 4719
Castel d'Aiano BO 9 1906 6625
Guiglia MO 9 3931 10556
Montese MO 9 3353 13909
Pavullo nel Frignano MO 10 17383 31292
Marano sul Panaro MO 12 5060 36352
Vergato BO 15 7639 43991
Vignola MO 15 25353 69344
Serramazzoni MO 15 8282 77626
Savignano sul Panaro MO 16 9177 86803
Gaggio Montano BO 17 4878 91681
Castelvetro di Modena MO 17 11185 102866
Polinago MO 19 1672 104538
Lama Mocogno MO 19 2734 107272
Grizzana Morandi BO 19 3916 111188
Sestola MO 20 2508 113696
Marzabotto BO 20 6779 120475
Valsamoggia BO 20 30561 151036

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km S of Modena (184973 inhabitants)
35 Km W of Bologna (386663 inhabitants)
46 Km SE of Reggio nell'Emilia (171345 inhabitants)
47 Km N of Pistoia (90315 inhabitants)
48 Km S of Carpi (70699 inhabitants)
54 Km N of Prato (191150 inhabitants)
60 Km W of Imola (69797 inhabitants)
67 Km NE of Lucca (89046 inhabitants)
68 Km N of Scandicci (50609 inhabitants)
69 Km NW of Firenze (382808 inhabitants)
71 Km SE of Parma (192836 inhabitants)
74 Km E of Massa (69479 inhabitants)
74 Km W of Faenza (58541 inhabitants)
75 Km E of Carrara (63133 inhabitants)
75 Km SW of Ferrara (133155 inhabitants)
78 Km NE of Viareggio (62467 inhabitants)
83 Km NE of Pisa (89158 inhabitants)
88 Km W of Forlì (117913 inhabitants)
94 Km E of La Spezia (93959 inhabitants)
99 Km W of Ravenna (159116 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.7 2022-08-11
20:45:46
44.3515 10.9563 34 2022-08-11
21:04:56
Sala Sismica INGV-Roma 108422381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-11 20:45:46 ± 0.43
Latitude 44.3515 ± 0.0171
Longitude 10.9563 ± 0.0189
Depth (km) 34 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108422381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1796
Semi-minor axis of confidence ellipse (meter) 934
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 1800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45056
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 108422381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-11 21:04:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
OX.MPRI.HHZ. 2022-08-11T20:46:49.44 3.0 undecidable manual Sn -9.99 0
IV.ROVR.HHZ. 2022-08-11T20:46:47.03 3.0 undecidable manual Sn -9.99 0
IV.MILZ.HHZ. 2022-08-11T20:46:44.78 3.0 undecidable manual Sg 6.45 0
IV.MPNC.HHZ. 2022-08-11T20:46:41.13 3.0 undecidable manual Sg -0.72 0
IV.IVUG.HHZ. 2022-08-11T20:46:40.03 3.0 undecidable manual Sg 5.71 0
IV.SPS2.HHZ. 2022-08-11T20:46:31.31 3.0 undecidable manual Sg 7.42 0
IV.AGLI.HHZ. 2022-08-11T20:46:30.29 3.0 undecidable manual Sn -9.99 0
CH.BERNI.HHZ. 2022-08-11T20:46:13.00 3.0 negative manual Pn -6.22 0
MN.VLC.HHZ. 2022-08-11T20:46:04.33 0.1 undecidable manual S 245 0.4506 120 0.27 88
GU.POPM.HHZ. 2022-08-11T20:46:01.22 0.3 undecidable manual S 205 0.3381 129 -0.07 71
IV.FNVD.HHZ. 2022-08-11T20:45:58.48 0.1 undecidable manual S 147 0.2185 142 -0.31 92
GU.GSCL.HHZ. 2022-08-11T20:45:58.88 0.6 undecidable manual S 270 0.2635 136 -0.77 38
MN.VLC.HHZ. 2022-08-11T20:45:57.10 0.3 undecidable manual P 245 0.4506 120 0.46 63
IV.ZCCA.HHZ. 2022-08-11T20:45:56.87 0.1 undecidable manual S 93 0.0144 177 0.29 96
GU.POPM.HHZ. 2022-08-11T20:45:55.20 0.1 undecidable manual P 205 0.3381 129 0.16 91
IV.FOSV.EHZ. 2022-08-11T20:45:54.33 3.0 undecidable manual Sg 0.36 0
IV.FNVD.HHZ. 2022-08-11T20:45:53.49 0.1 undecidable manual P 147 0.2185 142 -0.11 96
GU.GSCL.HHZ. 2022-08-11T20:45:53.88 0.1 undecidable manual P 270 0.2635 136 -0.22 92
IV.ZCCA.HHZ. 2022-08-11T20:45:52.27 0.1 undecidable manual P 93 0.0144 177 -0.05 100
IV.MILZ.HHZ. 2022-08-11T20:45:47.87 3.0 undecidable manual Pn -5.81 0
IV.SFI.EHZ. 2022-08-11T20:45:39.33 3.0 positive manual Pn -1.57 0
IV.MF5.EHZ. 2022-08-11T20:45:38.75 3.0 undecidable manual Sg -2.78 0
IV.MTCE.HHZ. 2022-08-11T20:45:31.48 3.0 undecidable manual Sg -2.82 0
IV.PP3.EHZ. 2022-08-11T20:45:26.40 3.0 undecidable manual Pg -0.07 0
IV.PAOL.HNZ. 2022-08-11T20:45:23.72 3.0 undecidable manual Sg -4.14 0
IV.SAMA.EHZ. 2022-08-11T20:45:12.33 3.0 undecidable manual P -6.96 0
IV.VITU.HHZ. 2022-08-11T20:45:09.20 3.0 undecidable manual P -2.89 0
IV.VVLD.HHZ. 2022-08-11T20:45:05.00 3.0 undecidable manual P 0.69 0
IV.POFI.HHZ. 2022-08-11T20:45:04.21 3.0 undecidable manual P 1.45 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HNN. ML:1.9 0.00038250000000000003 0.52 AML other m 2022-08-11T20:45:57.33
IV.ZCCA.HHN. ML:1.8 0.000298 0.48 AML other m 2022-08-11T20:45:57.35
IV.ZCCA.HHE. ML:1.9 0.000356 0.38 AML other m 2022-08-11T20:45:57.56
IV.ZCCA.HNE. ML:1.9 0.000352 0.38 AML other m 2022-08-11T20:45:57.56
IV.FNVD.HHE. ML:1.9 0.000272 1.22 AML other m 2022-08-11T20:45:58.89
IV.FNVD.HHN. ML:1.7 0.00016849999999999998 1.38 AML other m 2022-08-11T20:45:59.25
MN.VLC.HHN. ML:1.0 0.00001875 0.9 AML other m 2022-08-11T20:46:04.52
MN.VLC.HHE. ML:1.0 0.000020850000000000002 0.7 AML other m 2022-08-11T20:46:05.20
GU.GSCL.HHN. ML:1.5 0.000100004045 0.2304 AML other m 2022-08-11T20:45:59.72
MN.VLC.HNE. ML:1.5 0.00006442474500000001 1.4336 AML other m 2022-08-11T20:46:06.74
MN.VLC.HNN. ML:1.6 0.00008151621000000001 1.0624 AML other m 2022-08-11T20:46:07.62
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, http://terremoti.ingv.it/tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download