Earthquake with magnitude of ML 1.8 on date 30-04-2023 and time 10:21:07 (Italy) in region 3 km SW Montefiorino (MO)

A magnitude ML 1.8 earthquake occured in region: 3 km SW Montefiorino (MO), on

  • 30-04-2023 08:21:07 (UTC)
  • 30-04-2023 10:21:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3460, 10.5960 at 9 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
Montefiorino MO 3 2203 2203
Toano RE 5 4463 6666
Palagano MO 5 2194 8860
Frassinoro MO 6 1926 10786
Polinago MO 10 1672 12458
Villa Minozzo RE 10 3750 16208
Lama Mocogno MO 12 2734 18942
Prignano sulla Secchia MO 13 3747 22689
Carpineti RE 14 4064 26753
Riolunato MO 14 712 27465
Montecreto MO 15 940 28405
Pievepelago MO 16 2222 30627
Baiso RE 17 3315 33942
Serramazzoni MO 18 8282 42224
Castelnovo ne' Monti RE 18 10465 52689
Fiumalbo MO 19 1280 53969
Pavullo nel Frignano MO 19 17383 71352
Sestola MO 19 2508 73860
Casina RE 20 4504 78364

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of Reggio nell'Emilia (171345 inhabitants)
43 Km SW of Modena (184973 inhabitants)
50 Km NE of Carrara (63133 inhabitants)
50 Km NE of Massa (69479 inhabitants)
53 Km NW of Pistoia (90315 inhabitants)
54 Km SW of Carpi (70699 inhabitants)
55 Km SE of Parma (192836 inhabitants)
56 Km N of Lucca (89046 inhabitants)
60 Km NE of Viareggio (62467 inhabitants)
62 Km W of Bologna (386663 inhabitants)
65 Km NW of Prato (191150 inhabitants)
67 Km E of La Spezia (93959 inhabitants)
72 Km N of Pisa (89158 inhabitants)
80 Km NW of Scandicci (50609 inhabitants)
83 Km NW of Firenze (382808 inhabitants)
89 Km W of Imola (69797 inhabitants)
91 Km N of Livorno (159219 inhabitants)
98 Km SW of Ferrara (133155 inhabitants)
99 Km SE of Cremona (71901 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 1.8 2023-04-30
08:21:07
44.3463 10.5958 9 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117176821
Reviewed
Rev100
ML 1.9 2023-04-30
08:21:07
44.3772 10.6408 11 2023-04-30
08:28:51
Sala Sismica INGV-Roma 116896661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-30 08:21:07 ± 0.08
Latitude 44.3463 ± 0.0036
Longitude 10.5958 ± 0.0063
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117176821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 518
Semi-minor axis of confidence ellipse (meter) 369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 28
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62593
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 116896661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-30 08:28:51

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 117176821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-25 13:59:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BULT.EHZ. 2023-04-30T08:22:52.42 3.0 undecidable manual Sn -4.28 0
IV.RCAV.EHZ. 2023-04-30T08:22:29.87 3.0 undecidable manual Sn -3.05 0
IV.ARVD.HHZ. 2023-04-30T08:22:10.79 3.0 undecidable manual Sg 5.78 0
IV.MF5.EHZ. 2023-04-30T08:21:55.91 3.0 undecidable manual Pg 7.94 0
IV.SNTG.HHZ. 2023-04-30T08:21:42.15 3.0 undecidable manual Pn 0.56 0
GU.CANO.HHZ. 2023-04-30T08:21:40.71 3.0 positive manual Pg 3.54 0
IV.PII.HHZ. 2023-04-30T08:21:29.41 0.6 undecidable manual S 185 69.4749 50 0.08 46
IV.PLMA.HHZ. 2023-04-30T08:21:28.88 0.6 undecidable manual S 241 67.5768 50 0.07 46
GU.MAIM.HHZ. 2023-04-30T08:21:23.56 0.6 undecidable manual S 190 48.8178 50 -0.24 46
GU.GRAM.HHZ. 2023-04-30T08:21:22.86 0.3 undecidable manual S 291 45.0216 50 0.07 72
GU.FIVI.HNE. 2023-04-30T08:21:21.31 0.6 undecidable manual S 252 39.0276 50 0.11 48
GU.EQUI.HHZ. 2023-04-30T08:21:21.42 0.6 undecidable manual S 241 40.4262 50 -0.16 48
IV.PLMA.HHZ. 2023-04-30T08:21:20.11 0.3 undecidable manual P 241 67.5768 50 0.12 69
GU.POPM.HHZ. 2023-04-30T08:21:20.41 0.3 undecidable manual S 159 35.8419 50 0.08 73
GU.CARD.HHZ. 2023-04-30T08:21:20.58 0.6 undecidable manual S 194 36.6411 50 0.01 49
IV.PII.HHZ. 2023-04-30T08:21:20.42 0.3 undecidable manual P 185 69.4749 50 0.13 68
IV.BDI.HHZ. 2023-04-30T08:21:19.14 0.3 undecidable manual S 180 31.4463 50 -0.04 74
MN.VLC.HHZ. 2023-04-30T08:21:18.12 0.6 undecidable manual S 219 26.5512 109 0.4 46
IV.PRMA.HNN. 2023-04-30T08:21:18.34 0.3 undecidable manual P 334 51.4152 50 0.84 57
GU.SARM.EHZ. 2023-04-30T08:21:17.03 0.3 undecidable manual S 221 23.754 112 0.23 72
GU.GRAM.HHZ. 2023-04-30T08:21:16.22 0.1 undecidable manual P 291 45.0216 50 -0.29 92
GU.MAIM.HHZ. 2023-04-30T08:21:16.66 0.6 undecidable manual P 190 48.8178 50 -0.44 44
GU.EQUI.HHZ. 2023-04-30T08:21:15.47 0.1 undecidable manual P 241 40.4262 50 -0.34 91
GU.FIVI.HNE. 2023-04-30T08:21:15.44 0.3 undecidable manual P 252 39.0276 50 -0.16 72
GU.POPM.HHZ. 2023-04-30T08:21:15.04 0.3 undecidable manual P 159 35.8419 50 -0.06 73
GU.CARD.HHZ. 2023-04-30T08:21:15.15 0.1 positive manual P 194 36.6411 50 -0.08 97
IV.ZCCA.HHZ. 2023-04-30T08:21:14.56 0.3 undecidable manual P 89 30.2475 50 0.33 70
IV.BDI.HHZ. 2023-04-30T08:21:14.38 0.1 positive manual P 180 31.4463 50 -0.05 99
IV.ERBM.EHZ. 2023-04-30T08:21:14.72 0.6 undecidable manual S 299 16.6722 119 0.16 50
MN.VLC.HHZ. 2023-04-30T08:21:13.74 0.1 positive manual P 219 26.5512 109 0.15 98
GU.SARM.EHZ. 2023-04-30T08:21:13.17 0.1 undecidable manual P 221 23.754 112 0.12 99
IV.ERBM.EHZ. 2023-04-30T08:21:11.56 0.1 undecidable manual P 299 16.6722 119 -0.2 98
GU.GSCL.HHZ. 2023-04-30T08:21:11.06 0.6 undecidable manual S 307 0.7992 175 -0.14 51
GU.GSCL.HHZ. 2023-04-30T08:21:09.57 0.1 positive manual P 307 0.7992 175 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HNN. ML:1.6 0.00020600000000000002 1.08 AML other m 2023-04-30T08:21:13.26
MN.VLC.HHN. ML:1.5 0.00018559155 0.896 AML other m 2023-04-30T08:21:14.25
MN.VLC.HHE. ML:1.5 0.000177 0.14 AML other m 2023-04-30T08:21:19.45
MN.VLC.HNE. ML:1.5 0.00016599999999999997 0.76 AML other m 2023-04-30T08:21:19.46
IV.BDI.HHN. ML:2.1 0.0005895 0.34 AML other m 2023-04-30T08:21:19.49
IV.BDI.HNN. ML:2.1 0.000628 0.36 AML other m 2023-04-30T08:21:19.67
IV.BDI.HHE. ML:2.0 0.0005465 0.4 AML other m 2023-04-30T08:21:19.88
IV.BDI.HNE. ML:2.0 0.0004145 0.4 AML other m 2023-04-30T08:21:19.69
GU.CARD.HHN. ML:1.8 0.0002545 1 AML other m 2023-04-30T08:21:21.33
GU.CARD.HHE. ML:1.7 0.0002045 0.12 AML other m 2023-04-30T08:21:21.45
GU.POPM.HHN. ML:2.1 0.00045650000000000004 0.22 AML other m 2023-04-30T08:21:22.79
GU.POPM.HHE. ML:2.0 0.000352 1.82 AML other m 2023-04-30T08:21:22.97
IV.ZCCA.HHE. ML:2.0 0.0004965000000000001 0.3 AML other m 2023-04-30T08:21:23.24
IV.ZCCA.HNN. ML:2.1 0.0005845000000000001 1.58 AML other m 2023-04-30T08:21:23.17
IV.ZCCA.HHN. ML:2.1 0.0006014999999999999 1.58 AML other m 2023-04-30T08:21:23.17
IV.ZCCA.HNE. ML:2.0 0.000498 0.36 AML other m 2023-04-30T08:21:23.25
GU.GRAM.HHN. ML:1.7 0.0001585 0.48 AML other m 2023-04-30T08:21:24.33
GU.MAIM.HHN. ML:1.4 0.0000628 1.2 AML other m 2023-04-30T08:21:24.14
GU.MAIM.HHE. ML:1.4 0.0000582 0.32 AML other m 2023-04-30T08:21:25.31
GU.GRAM.HHE. ML:2.0 0.000324 0.32 AML other m 2023-04-30T08:21:25.92
IV.PLMA.HHN. ML:1.4 0.0000412 0.58 AML other m 2023-04-30T08:21:31.88
IV.PII.HHN. ML:2.0 0.0001515 0.92 AML other m 2023-04-30T08:21:32.16
IV.PII.HHE. ML:2.0 0.0001825 0.22 AML other m 2023-04-30T08:21:32.62
IV.PLMA.HHE. ML:1.4 0.00004235 0.38 AML other m 2023-04-30T08:21:34.29
IV.ARVD.HHN. ML:1.6 0.00001103 0.46 AML other m 2023-04-30T08:22:11.09
IV.ARVD.HHE. ML:1.9 0.0000181 0.06 AML other m 2023-04-30T08:22:11.51
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