Earthquake with magnitude of ML 0.7 on date 30-10-2023 and time 12:49:28 (UTC) in region 3 km W Premilcuore (FC)

A magnitude ML 0.7 earthquake occured in region: 3 km W Premilcuore (FC), on

  • 30-10-2023 12:49:28 (UTC)
  • 30-10-2023 13:49:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9840, 11.7450 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
Premilcuore FC 3 799 799
Portico e San Benedetto FC 6 756 1555
Tredozio FC 11 1212 2767
San Godenzo FI 12 1167 3934
Rocca San Casciano FC 12 1910 5844
Galeata FC 13 2516 8360
Santa Sofia FC 14 4136 12496
Marradi FI 15 3139 15635
Civitella di Romagna FC 16 3786 19421
Dovadola FC 19 1653 21074
Londa FI 20 1840 22914
Modigliana FC 20 4560 27474

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Faenza (58541 inhabitants)
36 Km SW of Forlì (117913 inhabitants)
41 Km S of Imola (69797 inhabitants)
43 Km W of Cesena (96758 inhabitants)
46 Km NE of Firenze (382808 inhabitants)
52 Km E of Scandicci (50609 inhabitants)
53 Km E of Prato (191150 inhabitants)
59 Km N of Arezzo (99543 inhabitants)
60 Km SW of Ravenna (159116 inhabitants)
65 Km SE of Bologna (386663 inhabitants)
66 Km W of Rimini (147750 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
81 Km NE of Siena (53903 inhabitants)
94 Km W of Pesaro (94582 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
98 Km SE of Modena (184973 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 0.7 2023-10-30
12:49:28
43.9835 11.7447 10 2023-10-30
13:09:21
Sala Sismica INGV-Roma 122583831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-30 12:49:28 ± 0.11
Latitude 43.9835 ± 0.0045
Longitude 11.7447 ± 0.0062
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122583831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 302
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28598
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 122583831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-30 13:09:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PZUN.HNZ. 2023-10-30T12:50:52.62 3.0 undecidable manual Sn -1.14 0
IV.ACER.HHZ. 2023-10-30T12:50:51.09 3.0 undecidable manual Sn -1.89 0
ST.RONC.EHZ. 2023-10-30T12:50:43.17 3.0 undecidable manual Sg 10.7 0
GU.CIRO.HHZ. 2023-10-30T12:50:25.32 3.0 negative manual Pg 17.24 0
IV.PIPA.HHZ. 2023-10-30T12:50:24.63 3.0 positive manual Pn 1.98 0
IV.FDMO.HHZ. 2023-10-30T12:50:03.87 3.0 undecidable manual Sg 3.67 0
IV.ATFO.HHZ. 2023-10-30T12:49:58.99 3.0 undecidable manual Sg 1.3 0
ST.ZIAN.EHZ. 2023-10-30T12:49:50.82 3.0 undecidable manual Pn -3.04 0
IV.MSSA.HHZ. 2023-10-30T12:49:49.72 3.0 negative manual Pn 2.48 0
IV.PRMA.HHZ. 2023-10-30T12:49:43.50 3.0 negative manual Pn -1.06 0
IV.FDMO.HHZ. 2023-10-30T12:49:39.65 3.0 undecidable manual Pg 4.56 0
IV.SEI.HHZ. 2023-10-30T12:49:39.60 0.3 undecidable manual S 284 31.746 50 0.04 73
IV.RUFI.EHZ. 2023-10-30T12:49:37.47 0.3 undecidable manual S 229 24.753 111 -0.06 73
IV.CASP.HHZ. 2023-10-30T12:49:36.99 3.0 undecidable manual P -1.93 0
IV.VMGN.HHZ. 2023-10-30T12:49:35.12 0.3 undecidable manual S 259 17.2716 119 -0.03 75
IV.SEI.HHZ. 2023-10-30T12:49:34.79 0.3 undecidable manual P 284 31.746 50 -0.01 73
IV.RINC.EHE. 2023-10-30T12:49:34.71 0.3 undecidable manual S 226 15.3735 122 0.11 74
IV.RUFI.EHZ. 2023-10-30T12:49:33.55 0.1 undecidable manual P 229 24.753 111 -0.08 97
IV.PIEI.HHZ. 2023-10-30T12:49:32.01 3.0 undecidable manual P -1.61 0
IV.VMGN.HHZ. 2023-10-30T12:49:32.27 0.1 undecidable manual P 259 17.2716 119 0.01 100
IV.RINC.EHE. 2023-10-30T12:49:31.99 0.3 undecidable manual P 226 15.3735 122 0.05 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VMGN.HHE. ML:0.6 0.000028233449 0.1024 AML other m 2023-10-30T12:49:35.31
IV.VMGN.HHN. ML:0.6 0.00002842285 0.16 AML other m 2023-10-30T12:49:35.37
IV.RUFI.EHE. ML:0.7 0.00003118159 3.5776 AML other m 2023-10-30T12:49:37.94
IV.RUFI.EHN. ML:1.0 0.000060694349999999996 6.176 AML other m 2023-10-30T12:49:37.04
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