Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 01-09-2021 and time 02:58:08 (UTC) in region 1 km SE Toano (RE)

A magnitude ML 0.8 earthquake occured in region: 1 km SE Toano (RE), on

  • 01-09-2021 02:58:08 (UTC)
  • 01-09-2021 04:58:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3700, 10.5700 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Toano RE 1 4463 4463
Montefiorino MO 5 2203 6666
Villa Minozzo RE 8 3750 10416
Palagano MO 8 2194 12610
Frassinoro MO 8 1926 14536
Carpineti RE 10 4064 18600
Prignano sulla Secchia MO 12 3747 22347
Polinago MO 13 1672 24019
Baiso RE 14 3315 27334
Lama Mocogno MO 15 2734 30068
Castelnovo ne' Monti RE 15 10465 40533
Riolunato MO 17 712 41245
Casina RE 17 4504 45749
Montecreto MO 18 940 46689
Pievepelago MO 18 2222 48911
Serramazzoni MO 19 8282 57193
Ventasso RE 20 4295 61488

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km S of Reggio nell'Emilia (171345 inhabitants)
42 Km SW of Modena (184973 inhabitants)
50 Km NE of Carrara (63133 inhabitants)
50 Km NE of Massa (69479 inhabitants)
52 Km SE of Parma (192836 inhabitants)
52 Km SW of Carpi (70699 inhabitants)
56 Km NW of Pistoia (90315 inhabitants)
59 Km N of Lucca (89046 inhabitants)
61 Km NE of Viareggio (62467 inhabitants)
63 Km W of Bologna (386663 inhabitants)
66 Km E of La Spezia (93959 inhabitants)
69 Km NW of Prato (191150 inhabitants)
74 Km N of Pisa (89158 inhabitants)
84 Km NW of Scandicci (50609 inhabitants)
86 Km NW of Firenze (382808 inhabitants)
91 Km W of Imola (69797 inhabitants)
93 Km N of Livorno (159219 inhabitants)
95 Km SE of Cremona (71901 inhabitants)
98 Km SW of Ferrara (133155 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 0.8 2021-09-01
02:58:08		 44.37 10.5702 14 2021-09-01
03:09:25		 Sala Sismica INGV-Roma 94893871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-01 02:58:08 ± 0.18
Latitude 44.3700 ± 0.0108
Longitude 10.5702 ± 0.0101
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 94893871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 891
Semi-minor axis of confidence ellipse (meter) 811
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 355
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.38041
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 94893871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-01 03:09:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2021-09-01T02:58:21.14 0.3 undecidable manual S 158 39.0276 97 -0.2 71
IV.BDI.HHZ. 2021-09-01T02:58:20.02 0.3 undecidable manual S 177 34.1436 98 -0.04 74
IV.ZCCA.HHZ. 2021-09-01T02:58:19.52 0.6 undecidable manual S 94 32.3454 99 -0.05 48
GU.SARM.EHZ. 2021-09-01T02:58:17.89 0.3 undecidable manual S 213 24.6531 104 0.33 70
GU.POPM.HHZ. 2021-09-01T02:58:16.20 0.3 undecidable manual P 158 39.0276 97 0.32 69
GU.GRAM.HHZ. 2021-09-01T02:58:16.43 0.1 undecidable manual P 289 42.2244 96 0.06 97
IV.ZCCA.HHZ. 2021-09-01T02:58:15.20 0.1 undecidable manual P 94 32.3454 99 0.34 93
GU.EQUI.HHN. 2021-09-01T02:58:15.91 0.1 undecidable manual P 236 40.1265 96 -0.15 95
IV.BDI.HHZ. 2021-09-01T02:58:14.85 0.1 positive manual P 177 34.1436 98 -0.29 93
GU.GSCL.HHZ. 2021-09-01T02:58:13.35 0.3 undecidable manual S 147 2.5974 167 0.2 74
GU.SARM.EHZ. 2021-09-01T02:58:13.71 0.1 undecidable manual P 213 24.6531 104 0.01 100
GU.GSCL.HHZ. 2021-09-01T02:58:10.07 0.6 undecidable manual P 147 2.5974 167 -1.09 37
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHE. ML:0.8 0.000023199999999999998 0.44 AML other m 2021-09-01T02:58:20.66
IV.BDI.HHN. ML:1.0 0.00003385 1 AML other m 2021-09-01T02:58:20.24
IV.ZCCA.HHN. ML:0.9 0.000033050000000000004 0.38 AML other m 2021-09-01T02:58:22.61
IV.ZCCA.HHE. ML:0.7 0.000020215 0.46 AML other m 2021-09-01T02:58:23.30
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