Earthquake with magnitude of ML 2.1 on date 07-09-2021 and time 01:52:03 (UTC) in region 5 km SW Lizzano in Belvedere (BO)

A magnitude ML 2.1 earthquake occured in region: 5 km SW Lizzano in Belvedere (BO), on

  • 07-09-2021 01:52:03 (UTC)
  • 07-09-2021 03:52:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.127, 10.859 at 14 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
Lizzano in Belvedere BO 5 2212 2212
Cutigliano PT 9 1488 3700
San Marcello Pistoiese PT 9 6416 10116
Alto Reno Terme BO 10 6960 17076
Gaggio Montano BO 10 4878 21954
Fanano MO 10 2989 24943
Sambuca Pistoiese PT 12 1626 26569
Piteglio PT 13 1683 28252
Sestola MO 14 2508 30760
Castel di Casio BO 15 3448 34208
Abetone PT 16 621 34829
Montese MO 17 3353 38182
Montecreto MO 18 940 39122
Fiumalbo MO 18 1280 40402
Camugnano BO 19 1885 42287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Pistoia (90315 inhabitants)
33 Km NW of Prato (191150 inhabitants)
42 Km NE of Lucca (89046 inhabitants)
48 Km NW of Scandicci (50609 inhabitants)
51 Km NW of Firenze (382808 inhabitants)
56 Km SW of Bologna (386663 inhabitants)
57 Km NE of Viareggio (62467 inhabitants)
58 Km E of Massa (69479 inhabitants)
58 Km S of Modena (184973 inhabitants)
59 Km NE of Pisa (89158 inhabitants)
61 Km E of Carrara (63133 inhabitants)
66 Km S of Reggio nell'Emilia (171345 inhabitants)
73 Km W of Imola (69797 inhabitants)
73 Km S of Carpi (70699 inhabitants)
78 Km NE of Livorno (159219 inhabitants)
82 Km E of La Spezia (93959 inhabitants)
84 Km W of Faenza (58541 inhabitants)
86 Km SE of Parma (192836 inhabitants)
95 Km W of Forlì (117913 inhabitants)
98 Km NW of Siena (53903 inhabitants)
99 Km SW of Ferrara (133155 inhabitants)
Recent and historical seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows 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 reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows 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 https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows 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
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 2.1 2021-09-07
01:52:03
44.1267 10.8593 14 2021-09-07
01:57:12
Sala Sismica INGV-Roma 95128411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-07 01:52:03 ± 0.08
Latitude 44.1267 ± 0.0045
Longitude 10.8593 ± 0.0038
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95128411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 523
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 354
Circular confidence region, given by single value of horizontal uncertainty (meter) 520
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.47035
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 44
Type of magnitude ML
Reference to an origin 95128411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-07 01:57:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2021-09-07T01:52:31.03 3.0 undecidable manual P 2.85 0
IV.CSNT.HHZ. 2021-09-07T01:52:18.76 3.0 undecidable manual P 0.93 0
IV.OSSC.HHZ. 2021-09-07T01:52:18.19 3.0 negative manual P 1.46 0
IV.PLMA.HHZ. 2021-09-07T01:52:17.63 3.0 negative manual P -0.15 0
IV.SFI.EHZ. 2021-09-07T01:52:17.95 3.0 positive manual P -0.12 0
GU.GRAM.HHZ. 2021-09-07T01:52:16.84 3.0 negative manual P 0.19 0
GU.MAIM.HHZ. 2021-09-07T01:52:15.66 0.1 undecidable manual S 231 0.3399 96 -0.1 95
IV.RUFI.EHZ. 2021-09-07T01:52:14.48 3.0 positive manual P -0.04 0
GU.CARD.HHZ. 2021-09-07T01:52:14.15 0.1 undecidable manual S 250 0.2887 98 -0.12 96
GU.GSCL.HHZ. 2021-09-07T01:52:14.42 0.1 undecidable manual S 319 0.2968 97 -0.06 96
GU.EQUI.HHZ. 2021-09-07T01:52:13.46 3.0 undecidable manual P -0.23 0
IV.MOCL.EHZ. 2021-09-07T01:52:13.43 0.1 undecidable manual S 118 0.2608 99 -0.01 100
IV.BOSL.HHZ. 2021-09-07T01:52:12.04 3.0 negative manual P -0.04 0
IV.MPPT.EHZ. 2021-09-07T01:52:12.94 0.1 undecidable manual S 135 0.2365 101 0.2 96
IV.PII.HHZ. 2021-09-07T01:52:12.56 0.6 positive manual P 211 0.4703 94 -0.13 46
IV.FNVD.HHZ. 2021-09-07T01:52:11.00 0.3 undecidable manual S 78 0.1934 105 -0.48 68
IV.VISG.HHZ. 2021-09-07T01:52:11.69 3.0 negative manual P -0.22 0
IV.BDI.HHZ. 2021-09-07T01:52:11.47 0.1 undecidable manual S 251 0.1996 104 -0.2 96
GU.MAIM.HHZ. 2021-09-07T01:52:10.69 1.0 positive manual P 231 0.3399 96 0.24 24
IV.SEI.HHZ. 2021-09-07T01:52:10.71 0.6 undecidable manual P 101 0.3651 95 -0.18 47
IV.CRMI.HHZ. 2021-09-07T01:52:10.96 0.3 positive manual P 165 0.3417 96 0.47 67
GU.POPM.HHZ. 2021-09-07T01:52:09.44 0.1 undecidable manual S 222 0.1097 126 0.2 99
IV.MOCL.EHZ. 2021-09-07T01:52:09.10 0.1 positive manual P 118 0.2608 99 -0.01 99
IV.ZCCA.HHZ. 2021-09-07T01:52:09.22 0.1 undecidable manual P 20 0.2392 100 0.47 91
GU.CARD.HHZ. 2021-09-07T01:52:09.50 1.0 undecidable manual P 250 0.2887 98 -0.09 24
GU.GSCL.HHZ. 2021-09-07T01:52:09.63 0.3 negative manual P 319 0.2968 97 -0.09 72
IV.MPPT.EHZ. 2021-09-07T01:52:08.72 0.1 positive manual P 135 0.2365 101 0.01 100
IV.BDI.HHZ. 2021-09-07T01:52:08.02 0.1 undecidable manual P 251 0.1996 104 -0.07 99
IV.FNVD.HHZ. 2021-09-07T01:52:07.76 0.1 positive manual P 78 0.1934 105 -0.22 96
GU.POPM.HHZ. 2021-09-07T01:52:06.85 0.1 undecidable manual P 222 0.1097 126 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:3.1 0.0123 0.18 AML other m 2021-09-07T01:52:09.51
GU.POPM.HHE. ML:2.9 0.00814 0.14 AML other m 2021-09-07T01:52:09.87
IV.FNVD.HHE. ML:2.4 0.001515 0.28 AML other m 2021-09-07T01:52:11.71
IV.BDI.HHN. ML:2.7 0.00309 0.16 AML other m 2021-09-07T01:52:11.74
IV.BDI.HNN. ML:2.6 0.002645 0.14 AML other m 2021-09-07T01:52:11.67
IV.BDI.HNE. ML:2.5 0.001985 1.18 AML other m 2021-09-07T01:52:11.75
IV.FNVD.HHN. ML:2.4 0.00152 0.28 AML other m 2021-09-07T01:52:12.34
IV.BDI.HHE. ML:2.4 0.001775 0.18 AML other m 2021-09-07T01:52:12.34
IV.MPPT.EHN. ML:1.9 0.0004615 0.32 AML other m 2021-09-07T01:52:13.56
IV.MPPT.EHE. ML:1.9 0.0004445 0.5 AML other m 2021-09-07T01:52:13.87
IV.MOCL.EHN. ML:2.2 0.000707 0.76 AML other m 2021-09-07T01:52:13.55
GU.CARD.HHN. ML:2.5 0.00148 0.72 AML other m 2021-09-07T01:52:14.74
IV.MOCL.EHE. ML:2.1 0.0006545 0.76 AML other m 2021-09-07T01:52:14.03
GU.GSCL.HHN. ML:2.2 0.0006055 0.58 AML other m 2021-09-07T01:52:14.97
GU.CARD.HHE. ML:2.4 0.0010605 1.28 AML other m 2021-09-07T01:52:15.69
GU.GSCL.HHE. ML:2 0.0003875 0.3 AML other m 2021-09-07T01:52:15.25
IV.ZCCA.HHE. ML:2.5 0.001705 1.72 AML other m 2021-09-07T01:52:15.05
IV.ZCCA.HNE. ML:2.5 0.001635 1.74 AML other m 2021-09-07T01:52:15.04
IV.ZCCA.HHN. ML:2.3 0.001032 1.3 AML other m 2021-09-07T01:52:16.25
IV.ZCCA.HNN. ML:2.3 0.0009915 1.3 AML other m 2021-09-07T01:52:16.25
GU.MAIM.HHE. ML:2 0.000398 0.24 AML other m 2021-09-07T01:52:16.43
GU.MAIM.HHN. ML:2.1 0.0004625 0.58 AML other m 2021-09-07T01:52:16.43
IV.CRMI.HHN. ML:1.8 0.000198 0.56 AML other m 2021-09-07T01:52:16.70
IV.CRMI.HHE. ML:1.6 0.000131 0.56 AML other m 2021-09-07T01:52:17.71
IV.SEI.HHE. ML:2.3 0.000627 0.3 AML other m 2021-09-07T01:52:18.46
IV.SEI.HHN. ML:2.3 0.0006995 0.3 AML other m 2021-09-07T01:52:19.18
IV.VISG.HHN. ML:1.7 0.000149 0.42 AML other m 2021-09-07T01:52:19.63
IV.VISG.HHE. ML:1.6 0.00011055 0.36 AML other m 2021-09-07T01:52:20.47
IV.PII.HHN. ML:2.4 0.0006465 0.26 AML other m 2021-09-07T01:52:21.07
IV.PII.HHE. ML:2.4 0.0006315 0.24 AML other m 2021-09-07T01:52:21.28
IV.BOSL.HHN. ML:1.7 0.000151 0.6 AML other m 2021-09-07T01:52:21.48
IV.BOSL.HHE. ML:1.7 0.0001555 0.54 AML other m 2021-09-07T01:52:22.31
GU.EQUI.HHE. ML:1.6 9.475E-5 0.4 AML other m 2021-09-07T01:52:23.73
GU.EQUI.HHN. ML:1.6 8.36E-5 0.96 AML other m 2021-09-07T01:52:24.00
IV.RUFI.EHN. ML:1.5 6.655E-5 1.52 AML other m 2021-09-07T01:52:24.16
IV.RUFI.EHE. ML:1.7 0.00010586 1.12 AML other m 2021-09-07T01:52:24.28
IV.PLMA.HHE. ML:1.8 8.225E-5 1.46 AML other m 2021-09-07T01:52:27.78
GU.GRAM.HHN. ML:2.3 0.0002995 1.66 AML other m 2021-09-07T01:52:27.03
GU.GRAM.HHE. ML:2.4 0.000391 0.3 AML other m 2021-09-07T01:52:27.75
IV.PLMA.HHN. ML:1.8 9.425E-5 0.2 AML other m 2021-09-07T01:52:29.44
IV.SFI.EHN. ML:1.7 5.97E-5 0.7 AML other m 2021-09-07T01:52:30.12
IV.CSNT.HHN. ML:1.9 0.000108 0.5 AML other m 2021-09-07T01:52:31.48
IV.CSNT.HHE. ML:1.6 6.1E-5 1.54 AML other m 2021-09-07T01:52:32.77
IV.SFI.EHE. ML:1.5 4.205E-5 1.38 AML other m 2021-09-07T01:52:32.78
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol 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
Waveforms Seismic signals in miniseed + resp format Download