Earthquake with magnitude of ML 1.4 on date 21-08-2020 and time 19:07:42 (UTC) in region 3 km S Prignano sulla Secchia (MO)

A magnitude ML 1.4 earthquake occured in region: 3 km S Prignano sulla Secchia (MO), on

  • 21-08-2020 19:07:42 (UTC)
  • 21-08-2020 21:07:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4120, 10.6970 at 31 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
Prignano sulla Secchia MO 3 3747 3747
Serramazzoni MO 8 8282 12029
Polinago MO 8 1672 13701
Montefiorino MO 8 2203 15904
Palagano MO 11 2194 18098
Castellarano RE 11 15232 33330
Toano RE 12 4463 37793
Lama Mocogno MO 12 2734 40527
Baiso RE 12 3315 43842
Pavullo nel Frignano MO 14 17383 61225
Carpineti RE 15 4064 65289
Sassuolo MO 16 40853 106142
Frassinoro MO 16 1926 108068
Viano RE 16 3374 111442
Fiorano Modenese MO 17 17160 128602
Montecreto MO 18 940 129542
Maranello MO 19 17359 146901
Villa Minozzo RE 19 3750 150651
Casina RE 19 4504 155155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Modena (184973 inhabitants)
32 Km S of Reggio nell'Emilia (171345 inhabitants)
44 Km SW of Carpi (70699 inhabitants)
52 Km W of Bologna (386663 inhabitants)
52 Km SE of Parma (192836 inhabitants)
56 Km NW of Pistoia (90315 inhabitants)
60 Km NE of Carrara (63133 inhabitants)
61 Km NE of Massa (69479 inhabitants)
65 Km N of Lucca (89046 inhabitants)
67 Km NW of Prato (191150 inhabitants)
70 Km NE of Viareggio (62467 inhabitants)
77 Km E of La Spezia (93959 inhabitants)
81 Km NE of Pisa (89158 inhabitants)
81 Km W of Imola (69797 inhabitants)
82 Km NW of Scandicci (50609 inhabitants)
84 Km NW of Firenze (382808 inhabitants)
87 Km SW of Ferrara (133155 inhabitants)
95 Km W of Faenza (58541 inhabitants)
96 Km SE of Cremona (71901 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
Bulletin
Rev1000
ML 1.4 2020-08-21
19:07:42
44.4115 10.6967 31 2020-11-19
12:36:59
Bollettino Sismico Italiano INGV 82444791
Reviewed
Rev100
ML 1.6 2020-08-21
19:07:42
44.4338 10.725 29 2020-08-21
19:22:23
Sala Sismica INGV-Roma 82212821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-21 19:07:42 ± 0.14
Latitude 44.4115 ± 0.0117
Longitude 10.6967 ± 0.0151
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82444791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1184
Semi-minor axis of confidence ellipse (meter) 1142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 1180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.55673
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 82444791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-29 15:39:41

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 82212821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-21 19:22:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HHZ. 2020-08-21T19:09:46.05 3.0 undecidable manual Sg 11.27 0
SL.KOGS.BHN. 2020-08-21T19:09:38.22 3.0 undecidable manual Sn 0.63 0
OT.OT11.EHN. 2020-08-21T19:09:37.03 3.0 undecidable manual Sn -3.67 0
IV.NOCI.HHZ. 2020-08-21T19:09:28.36 3.0 positive manual Pg 20.190001 0
IV.ROSPO.HHZ. 2020-08-21T19:09:26.71 3.0 undecidable manual Sn 3.18 0
IV.RMP.HHN. 2020-08-21T19:09:15.77 3.0 undecidable manual Sg 9.87 0
IV.VIVA.HHN. 2020-08-21T19:09:04.93 3.0 undecidable manual Sn -2.84 0
IV.MNTT.EHZ. 2020-08-21T19:09:01.94 3.0 undecidable manual Sg 9.83 0
IV.SAP2.EHN. 2020-08-21T19:08:54.08 3.0 undecidable manual Sg 5.28 0
IV.TOLF.HHZ. 2020-08-21T19:08:53.10 3.0 undecidable manual Sn -2.32 0
GU.RORO.HHZ. 2020-08-21T19:08:47.77 3.0 undecidable manual Sg 2.69 0
CR.ZAG.BHN. 2020-08-21T19:08:43.08 3.0 undecidable manual Pn 2.28 0
IV.MIDA.HHN. 2020-08-21T19:08:43.13 3.0 negative manual Pn 3.86 0
IV.FREG.EHZ. 2020-08-21T19:08:36.69 3.0 undecidable manual Sn -2.16 0
IV.APEC.HHN. 2020-08-21T19:08:30.23 3.0 undecidable manual Sg 2.08 0
GU.CIRO.HHZ. 2020-08-21T19:08:23.44 3.0 undecidable manual Pn -1.16 0
IV.MBAL.EHE. 2020-08-21T19:08:22.87 3.0 undecidable manual S -1.52 0
IV.FREG.EHZ. 2020-08-21T19:08:15.67 3.0 undecidable manual Pn 2.25 0
IV.PESA.HHE. 2020-08-21T19:08:09.55 3.0 undecidable manual P 1.23 0
SI.LUSI.HHZ. 2020-08-21T19:08:08.62 1.0 undecidable manual P 6 172.7937 54 -0.07 18
IV.CELB.HHE. 2020-08-21T19:08:08.99 3.0 negative manual Pn -3.78 0
ST.VARA.EHZ. 2020-08-21T19:08:07.47 0.3 undecidable manual P 6 157.7199 54 0.66 50
IV.MAGA.HHZ. 2020-08-21T19:08:05.83 0.6 undecidable manual P 358 151.3374 54 -0.19 39
OX.MARN.HHN. 2020-08-21T19:08:04.69 0.3 undecidable manual P 16 141.8469 54 -0.15 60
IV.MBAL.EHZ. 2020-08-21T19:08:04.96 3.0 undecidable manual P -0.34 0
IV.SALO.HHZ. 2020-08-21T19:08:04.34 0.1 undecidable manual P 354 134.5653 54 0.42 77
IV.ZOVE.EHZ. 2020-08-21T19:08:03.33 0.3 undecidable manual P 28 131.2686 54 -0.19 61
IV.SFI.EHZ. 2020-08-21T19:07:58.57 3.0 undecidable manual Pg -0.17 0
IV.BDI.HHZ. 2020-08-21T19:07:57.58 0.6 undecidable manual S 192 39.5271 124 0.46 46
IV.FNVD.HHN. 2020-08-21T19:07:57.90 0.3 undecidable manual S 128 43.3233 121 -0.08 74
GU.POPM.HHZ. 2020-08-21T19:07:57.64 0.6 undecidable manual S 173 40.9257 123 0.2 48
MN.VLC.HHZ. 2020-08-21T19:07:57.30 0.6 undecidable manual S 221 37.2294 125 0.67 42
IV.PII.HHZ. 2020-08-21T19:07:56.71 3.0 negative manual P -0.83 0
GU.SARM.EHE. 2020-08-21T19:07:56.45 0.1 undecidable manual S 223 34.4433 128 0.42 93
IV.FIR.HHN. 2020-08-21T19:07:55.09 3.0 undecidable manual P -1.11 0
IV.ZCCA.HHZ. 2020-08-21T19:07:55.28 0.1 undecidable manual S 107 23.1546 140 1.43 62
GU.EQUI.HHE. 2020-08-21T19:07:52.48 1.0 undecidable manual P 238 51.0156 116 0.04 24
GU.GSCL.HHZ. 2020-08-21T19:07:51.73 0.1 undecidable manual S 232 10.9779 159 -0.45 98
GU.SARM.EHE. 2020-08-21T19:07:50.09 0.1 undecidable manual P 223 34.4433 128 -0.17 99
GU.POPM.HHZ. 2020-08-21T19:07:50.84 0.3 undecidable manual P 173 40.9257 123 -0.24 72
IV.BDI.HHZ. 2020-08-21T19:07:50.68 0.1 undecidable manual P 192 39.5271 124 -0.22 97
IV.FNVD.HHN. 2020-08-21T19:07:50.74 0.1 undecidable manual P 128 43.3233 121 -0.65 84
MN.VLC.HHZ. 2020-08-21T19:07:50.65 0.3 undecidable manual P 221 37.2294 125 0.03 75
IV.ZCCA.HHZ. 2020-08-21T19:07:48.83 0.1 undecidable manual P 107 23.1546 140 -0.18 100
GU.GSCL.HHZ. 2020-08-21T19:07:47.55 0.1 undecidable manual P 232 10.9779 159 -0.5 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:1.8 0.0002731752 0.1792 AML other m 2020-08-21T19:07:52.06
GU.GSCL.HHN. ML:1.7 0.0002458365 0.2944 AML other m 2020-08-21T19:07:51.96
MN.VLC.HNN. ML:1.5 0.00009317085 0.768 AML other m 2020-08-21T19:07:54.14
IV.ZCCA.HHE. ML:1.3 0.000072850525 0.32 AML other m 2020-08-21T19:07:55.61
IV.ZCCA.HHN. ML:1.8 0.00021672025 0.4224 AML other m 2020-08-21T19:07:55.69
IV.BDI.HHE. ML:1.0 0.000030151974999999997 0.2304 AML other m 2020-08-21T19:07:58.12
MN.VLC.HHE. ML:0.7 0.00001673233 0.2816 AML other m 2020-08-21T19:07:58.39
GU.POPM.HHE. ML:1.2 0.000040091260000000004 0.2688 AML other m 2020-08-21T19:07:58.53
MN.VLC.HHN. ML:0.7 0.000016683355 0.4608 AML other m 2020-08-21T19:07:58.91
IV.BDI.HHN. ML:1.2 0.00004239834 0.3072 AML other m 2020-08-21T19:07:58.93
MN.VLC.HNE. ML:1.5 0.00009650025500000001 1.0624 AML other m 2020-08-21T19:07:59.90
GU.POPM.HHN. ML:1.1 0.000035947175 0.2176 AML other m 2020-08-21T19:08:00.08
IV.PII.HHE. ML:1.3 0.000024304881 0.4352 AML other m 2020-08-21T19:08:08.88
IV.PII.HHN. ML:1.3 0.000025399955 0.32 AML other m 2020-08-21T19:08:09.41
IV.ZOVE.EHN. ML:1.6 0.000025676174999999998 0.2432 AML other m 2020-08-21T19:08:20.00
IV.ZOVE.EHE. ML:1.7 0.00003045223 0.2432 AML other m 2020-08-21T19:08:20.28
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