Earthquake with magnitude of ML 1.6 on date 21-06-2023 and time 09:40:14 (Italy) in region 4 km NW Pavullo nel Frignano (MO)

A magnitude ML 1.6 earthquake occured in region: 4 km NW Pavullo nel Frignano (MO), on

  • 21-06-2023 07:40:14 (UTC)
  • 21-06-2023 09:40:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3720, 10.8160 at 44 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
Pavullo nel Frignano MO 4 17383 17383
Serramazzoni MO 6 8282 25665
Polinago MO 8 1672 27337
Lama Mocogno MO 10 2734 30071
Prignano sulla Secchia MO 12 3747 33818
Guiglia MO 13 3931 37749
Palagano MO 14 2194 39943
Zocca MO 15 4719 44662
Montese MO 15 3353 48015
Montefiorino MO 15 2203 50218
Marano sul Panaro MO 15 5060 55278
Montecreto MO 16 940 56218
Sestola MO 16 2508 58726
Castellarano RE 17 15232 73958
Maranello MO 18 17359 91317
Castel d'Aiano BO 18 1906 93223
Castelvetro di Modena MO 18 11185 104408
Fanano MO 18 2989 107397
Fiorano Modenese MO 19 17160 124557
Sassuolo MO 19 40853 165410
Vignola MO 20 25353 190763

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km S of Modena (184973 inhabitants)
39 Km SE of Reggio nell'Emilia (171345 inhabitants)
44 Km W of Bologna (386663 inhabitants)
46 Km S of Carpi (70699 inhabitants)
49 Km N of Pistoia (90315 inhabitants)
59 Km NW of Prato (191150 inhabitants)
62 Km SE of Parma (192836 inhabitants)
64 Km NE of Lucca (89046 inhabitants)
65 Km NE of Massa (69479 inhabitants)
66 Km E of Carrara (63133 inhabitants)
72 Km W of Imola (69797 inhabitants)
72 Km NE of Viareggio (62467 inhabitants)
74 Km NW of Scandicci (50609 inhabitants)
76 Km NW of Firenze (382808 inhabitants)
80 Km NE of Pisa (89158 inhabitants)
82 Km SW of Ferrara (133155 inhabitants)
84 Km E of La Spezia (93959 inhabitants)
85 Km W of Faenza (58541 inhabitants)
99 Km W of Forlì (117913 inhabitants)
100 Km NE of Livorno (159219 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 1.6 2023-06-21
07:40:14
44.3715 10.8165 44 2023-06-21
07:53:03
Sala Sismica INGV-Roma 118606861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-21 07:40:14 ± 0.22
Latitude 44.3715 ± 0.0144
Longitude 10.8165 ± 0.0591
Depth (km) 44 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118606861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4611
Semi-minor axis of confidence ellipse (meter) 1552
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 98
Circular confidence region, given by single value of horizontal uncertainty (meter) 4610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.61338
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 118606861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-21 07:53:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.SENA.HHZ. 2023-06-21T07:41:10.50 3.0 undecidable manual Sn -4.24 0
IV.GALF.HHZ. 2023-06-21T07:41:08.08 3.0 undecidable manual Sg 6.95 0
MN.TIR.HHZ. 2023-06-21T07:40:55.78 3.0 undecidable manual Sn 0.92 0
IV.LINA.HHZ. 2023-06-21T07:40:53.12 3.0 positive manual Pg 10.66 0
IV.CSNT.HHZ. 2023-06-21T07:40:50.23 3.0 undecidable manual Sn -0.09 0
ST.RONC.EHZ. 2023-06-21T07:40:41.29 0.1 undecidable manual P 355 179.0874 92 0.55 63
SI.LUSI.HHZ. 2023-06-21T07:40:40.36 0.1 undecidable manual P 3 176.3901 93 -0.05 71
IV.MAGA.HHZ. 2023-06-21T07:40:38.23 0.1 undecidable manual P 355 156.4212 93 0.31 75
IV.ROVR.HHZ. 2023-06-21T07:40:35.92 0.1 undecidable manual P 8 142.8459 93 -0.31 78
IV.BDI.HHZ. 2023-06-21T07:40:30.75 0.6 undecidable manual S 207 38.5281 125 0.3 49
IV.FNVD.HHZ. 2023-06-21T07:40:29.90 0.3 undecidable manual S 133 33.2445 131 0.34 72
IV.ZCCA.HHZ. 2023-06-21T07:40:27.25 0.6 undecidable manual S 100 12.876 159 0.22 51
HL.VLS.HHZ. 2023-06-21T07:40:26.03 3.0 negative manual Pn -9.31 0
IV.SELL.HHZ. 2023-06-21T07:40:25.98 3.0 undecidable manual Sn -9.87 0
GU.GRAM.HHZ. 2023-06-21T07:40:25.14 3.0 negative manual Pn -0.74 0
IV.BDI.HHZ. 2023-06-21T07:40:23.52 0.1 undecidable manual P 207 38.5281 125 -0.09 99
IV.FNVD.HHZ. 2023-06-21T07:40:22.95 0.1 undecidable manual P 133 33.2445 131 -0.14 100
IV.ACATE.HNZ. 2023-06-21T07:40:22.58 3.0 negative manual Pg -0.81 0
IV.ZCCA.HHZ. 2023-06-21T07:40:21.02 0.1 undecidable manual P 100 12.876 159 -0.61 92
7C.SPAOL.HNZ. 2023-06-21T07:40:19.35 3.0 positive manual Pg 3.47 0
IV.ATPI.EHZ. 2023-06-21T07:39:59.18 3.0 undecidable manual Pg 0.27 0
IV.INTR.HHZ. 2023-06-21T07:39:31.58 3.0 undecidable manual P -2.7 0
IV.ACER.HHZ. 2023-06-21T07:39:30.76 3.0 negative manual P -3.34 0
OT.OT12.EHZ. 2023-06-21T07:39:26.18 3.0 positive manual P -0.97 0
IX.MNT3.HNZ.01 2023-06-21T07:39:21.60 3.0 undecidable manual P -7.25 0
IT.GLNS.HNZ. 2023-06-21T07:39:20.59 3.0 undecidable manual P -1.55 0
IV.PTRJ.HHZ. 2023-06-21T07:39:18.00 3.0 undecidable manual P -5.71 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHE. ML:1.4 0.00006685 0.58 AML other m 2023-06-21T07:40:32.26
IV.FNVD.HHN. ML:1.6 0.0001033 0.3 AML other m 2023-06-21T07:40:33.37
IV.CSNT.HHN. ML:1.8 0.00005069999999999999 1.48 AML other m 2023-06-21T07:40:53.89
IV.CSNT.HHE. ML:1.6 0.0000292 0.42 AML other m 2023-06-21T07:40:56.35
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