Earthquake with magnitude of ML 0.9 on date 28-05-2023 and time 01:03:32 (UTC) in region 5 km N Montefiorino (MO)

A magnitude ML 0.9 earthquake occured in region: 5 km N Montefiorino (MO), on

  • 28-05-2023 01:03:32 (UTC)
  • 28-05-2023 03:03:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4060, 10.6240 at 10 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
Montefiorino MO 5 2203 2203
Toano RE 6 4463 6666
Prignano sulla Secchia MO 6 3747 10413
Palagano MO 10 2194 12607
Carpineti RE 10 4064 16671
Baiso RE 10 3315 19986
Polinago MO 10 1672 21658
Frassinoro MO 13 1926 23584
Villa Minozzo RE 13 3750 27334
Serramazzoni MO 13 8282 35616
Lama Mocogno MO 14 2734 38350
Castellarano RE 14 15232 53582
Casina RE 15 4504 58086
Viano RE 16 3374 61460
Castelnovo ne' Monti RE 18 10465 71925
Pavullo nel Frignano MO 18 17383 89308
Montecreto MO 19 940 90248
Riolunato MO 20 712 90960
Sassuolo MO 20 40853 131813

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km S of Reggio nell'Emilia (171345 inhabitants)
36 Km SW of Modena (184973 inhabitants)
47 Km SW of Carpi (70699 inhabitants)
50 Km SE of Parma (192836 inhabitants)
56 Km NE of Carrara (63133 inhabitants)
56 Km NE of Massa (69479 inhabitants)
57 Km NW of Pistoia (90315 inhabitants)
58 Km W of Bologna (386663 inhabitants)
63 Km N of Lucca (89046 inhabitants)
67 Km NE of Viareggio (62467 inhabitants)
70 Km NW of Prato (191150 inhabitants)
72 Km E of La Spezia (93959 inhabitants)
79 Km N of Pisa (89158 inhabitants)
85 Km NW of Scandicci (50609 inhabitants)
87 Km NW of Firenze (382808 inhabitants)
87 Km W of Imola (69797 inhabitants)
92 Km SW of Ferrara (133155 inhabitants)
94 Km SE of Cremona (71901 inhabitants)
98 Km N 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 0.9 2023-05-28
01:03:32
44.4058 10.6245 10 2023-05-28
01:08:06
Sala Sismica INGV-Roma 117795431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 01:03:32 ± 0.16
Latitude 44.4058 ± 0.0090
Longitude 10.6245 ± 0.0088
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117795431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1026
Semi-minor axis of confidence ellipse (meter) 700
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 117795431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 01:08:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2023-05-28T01:03:47.53 0.6 undecidable manual S 282 45.3213 50 0.42 43
GU.POPM.HHZ. 2023-05-28T01:03:46.34 0.6 undecidable manual S 165 41.4252 50 0.27 45
IV.BDI.HHZ. 2023-05-28T01:03:45.09 0.6 undecidable manual S 183 38.1285 50 -0.11 46
MN.VLC.HHZ. 2023-05-28T01:03:44.13 0.6 undecidable manual S 215 33.2445 50 0.24 46
IV.ZCCA.HHZ. 2023-05-28T01:03:43.19 0.3 undecidable manual S 102 28.5492 50 0.55 64
GU.POPM.HHZ. 2023-05-28T01:03:40.07 0.3 positive manual P 165 41.4252 50 -0.22 68
GU.GRAM.HHZ. 2023-05-28T01:03:40.81 0.1 undecidable manual P 282 45.3213 50 -0.08 92
IV.BDI.HHZ. 2023-05-28T01:03:39.57 0.1 positive manual P 183 38.1285 50 -0.22 91
MN.VLC.HHZ. 2023-05-28T01:03:38.87 0.1 undecidable manual P 215 33.2445 50 -0.17 93
IV.ZCCA.HHZ. 2023-05-28T01:03:37.99 0.1 undecidable manual P 102 28.5492 50 -0.32 90
GU.GSCL.HHZ. 2023-05-28T01:03:36.93 0.3 undecidable manual S 205 6.7932 147 0.23 72
GU.GSCL.HHZ. 2023-05-28T01:03:34.87 0.1 positive manual P 205 6.7932 147 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHN. ML:0.8 0.00009214999999999999 0.2 AML other m 2023-05-28T01:03:37.26
MN.VLC.HHN. ML:0.8 0.00002425 0.14 AML other m 2023-05-28T01:03:39.58
GU.GSCL.HHE. ML:0.8 0.00008975 1.12 AML other m 2023-05-28T01:03:40.08
MN.VLC.HHE. ML:0.7 0.00001755 0.42 AML other m 2023-05-28T01:03:44.69
IV.ZCCA.HHE. ML:0.8 0.00003105 0.42 AML other m 2023-05-28T01:03:46.08
IV.BDI.HHE. ML:0.9 0.0000295 0.72 AML other m 2023-05-28T01:03:46.13
IV.BDI.HHN. ML:1.1 0.000045600000000000004 0.34 AML other m 2023-05-28T01:03:46.51
GU.POPM.HHN. ML:1.2 0.00005385 1.48 AML other m 2023-05-28T01:03:47.81
GU.POPM.HHE. ML:1.2 0.0000506 1.24 AML other m 2023-05-28T01:03:48.69
GU.GRAM.HHN. ML:1.1 0.000037000000000000005 0.26 AML other m 2023-05-28T01:03:48.78
GU.GRAM.HHE. ML:1.1 0.0000337 0.54 AML other m 2023-05-28T01:03:48.86
IV.ZCCA.HHN. ML:0.8 0.000028449999999999997 0.54 AML other m 2023-05-28T01:03:56.34
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