Earthquake with magnitude of ML 1.2 on date 30-04-2023 and time 10:35:56 (UTC) in region 2 km W Montefiorino (MO)

A magnitude ML 1.2 earthquake occured in region: 2 km W Montefiorino (MO), on

  • 30-04-2023 10:35:56 (UTC)
  • 30-04-2023 12:35:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3600, 10.6070 at 10 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 2 2203 2203
Toano RE 4 4463 6666
Palagano MO 5 2194 8860
Frassinoro MO 8 1926 10786
Polinago MO 9 1672 12458
Prignano sulla Secchia MO 11 3747 16205
Villa Minozzo RE 11 3750 19955
Lama Mocogno MO 11 2734 22689
Carpineti RE 13 4064 26753
Riolunato MO 15 712 27465
Baiso RE 15 3315 30780
Montecreto MO 15 940 31720
Serramazzoni MO 16 8282 40002
Pievepelago MO 17 2222 42224
Pavullo nel Frignano MO 18 17383 59607
Castelnovo ne' Monti RE 18 10465 70072
Casina RE 19 4504 74576
Castellarano RE 19 15232 89808
Sestola MO 19 2508 92316

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km S of Reggio nell'Emilia (171345 inhabitants)
41 Km SW of Modena (184973 inhabitants)
51 Km NE of Carrara (63133 inhabitants)
52 Km NE of Massa (69479 inhabitants)
52 Km SW of Carpi (70699 inhabitants)
53 Km NW of Pistoia (90315 inhabitants)
54 Km SE of Parma (192836 inhabitants)
58 Km N of Lucca (89046 inhabitants)
60 Km W of Bologna (386663 inhabitants)
62 Km NE of Viareggio (62467 inhabitants)
66 Km NW of Prato (191150 inhabitants)
68 Km E of La Spezia (93959 inhabitants)
73 Km N of Pisa (89158 inhabitants)
81 Km NW of Scandicci (50609 inhabitants)
84 Km NW of Firenze (382808 inhabitants)
88 Km W of Imola (69797 inhabitants)
93 Km N of Livorno (159219 inhabitants)
96 Km SW of Ferrara (133155 inhabitants)
98 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 1.2 2023-04-30
10:35:56
44.3598 10.6073 10 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124851421
Reviewed
Rev100
ML 1.3 2023-04-30
10:35:56
44.3593 10.6023 10 2023-04-30
10:56:21
Sala Sismica INGV-Roma 116900931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-30 10:35:56 ± 0.09
Latitude 44.3598 ± 0.0045
Longitude 10.6073 ± 0.0063
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124851421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 573
Semi-minor axis of confidence ellipse (meter) 415
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 228
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.01709
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 124851421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-25 14:12:36

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 116900931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-30 10:56:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CARD.HHZ. 2023-04-30T10:36:09.13 0.3 undecidable manual S 195 38.3283 50 -0.01 72
GU.POPM.HHZ. 2023-04-30T10:36:08.95 0.3 undecidable manual S 161 36.9297 50 0.2 69
IV.BDI.HHZ. 2023-04-30T10:36:07.68 0.3 undecidable manual S 182 32.9448 50 -0.02 72
MN.VLC.HHZ. 2023-04-30T10:36:06.52 0.3 undecidable manual S 218 28.3494 50 0.06 72
GU.SARM.EHE. 2023-04-30T10:36:05.45 0.3 undecidable manual S 220 25.4523 111 -0.15 71
GU.GRAM.HHZ. 2023-04-30T10:36:04.28 0.6 undecidable manual P 289 45.3213 50 -0.44 43
GU.CARD.HHZ. 2023-04-30T10:36:03.56 0.3 undecidable manual P 195 38.3283 50 -0.08 71
IV.ERBM.EHZ. 2023-04-30T10:36:03.33 0.6 undecidable manual S 293 16.7721 120 0.47 45
GU.POPM.HHZ. 2023-04-30T10:36:03.46 0.1 undecidable manual P 161 36.9297 50 0.04 95
GU.FIVI.HNE. 2023-04-30T10:36:03.84 0.3 undecidable manual P 251 40.4262 50 -0.12 70
MN.VLC.HHZ. 2023-04-30T10:36:02.17 0.1 undecidable manual P 218 28.3494 50 0.08 96
IV.BDI.HHZ. 2023-04-30T10:36:02.78 0.1 undecidable manual P 182 32.9448 50 -0.03 96
GU.SARM.EHE. 2023-04-30T10:36:01.65 0.1 undecidable manual P 220 25.4523 111 0.05 97
IV.ERBM.EHZ. 2023-04-30T10:36:00.03 0.1 undecidable manual P 293 16.7721 120 0.02 99
GU.GSCL.HHZ. 2023-04-30T10:35:59.53 0.3 undecidable manual S 236 1.8981 169 -0.02 76
GU.GSCL.HHZ. 2023-04-30T10:35:58.02 0.1 undecidable manual P 236 1.8981 169 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HHN. ML:0.9 0.0000475 0.14 AML other m 2023-04-30T10:36:07.90
MN.VLC.HHE. ML:1.0 0.000047550000000000004 0.14 AML other m 2023-04-30T10:36:07.91
IV.BDI.HHN. ML:1.5 0.000123 1.66 AML other m 2023-04-30T10:36:08.95
IV.BDI.HHE. ML:1.4 0.0001215 0.4 AML other m 2023-04-30T10:36:08.34
GU.CARD.HHN. ML:1.2 0.0000539 1.38 AML other m 2023-04-30T10:36:09.80
GU.CARD.HHE. ML:1.0 0.00003805 0.12 AML other m 2023-04-30T10:36:09.91
GU.POPM.HHN. ML:1.5 0.00010994999999999999 0.22 AML other m 2023-04-30T10:36:11.25
GU.POPM.HHE. ML:1.3 0.0000817 0.18 AML other m 2023-04-30T10:36:11.43
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