Earthquake with magnitude of ML 0.9 on date 02-10-2023 and time 12:33:29 (Italy) in region 9 km W Monte Cavallo (MC)

A magnitude ML 0.9 earthquake occured in region: 9 km W Monte Cavallo (MC), on

  • 02-10-2023 10:33:29 (UTC)
  • 02-10-2023 12:33:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9740, 12.8980 at 5 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
Monte Cavallo MC 9 145 145
Sellano PG 10 1079 1224
Serravalle di Chienti MC 12 1070 2294
Pieve Torina MC 15 1458 3752
Valtopina PG 15 1398 5150
Preci PG 16 724 5874
Foligno PG 16 57155 63029
Trevi PG 16 8469 71498
Visso MC 16 1107 72605
Cerreto di Spoleto PG 17 1075 73680
Muccia MC 17 915 74595
Fiordimonte MC 17 202 74797
Nocera Umbra PG 18 5839 80636
Pievebovigliana MC 18 866 81502
Spello PG 19 8645 90147
Campello sul Clitunno PG 20 2442 92589
Sefro MC 20 422 93011
Ussita MC 20 444 93455

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
50 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
97 Km S of Fano (60888 inhabitants)
99 Km SE of Arezzo (99543 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 2023-10-02
10:33:29
42.9737 12.8978 5 2023-10-02
10:40:50
Sala Sismica INGV-Roma 121672721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-02 10:33:29 ± 0.06
Latitude 42.9737 ± 0.0027
Longitude 12.8978 ± 0.0025
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121672721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 274
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.29408
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 121672721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-02 10:40:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2023-10-02T10:33:41.04 0.3 undecidable manual S 318 31.4463 99 0.06 72
IV.GAVE.HNZ. 2023-10-02T10:33:40.88 0.6 undecidable manual S 181 31.2465 99 -0.03 48
IV.CSP1.EHZ. 2023-10-02T10:33:39.74 0.3 undecidable manual S 62 28.1496 100 -0.11 71
IV.NRCA.HHZ. 2023-10-02T10:33:38.15 0.3 undecidable manual S 131 23.4543 102 -0.11 72
IV.MC2.EHZ. 2023-10-02T10:33:38.88 0.6 undecidable manual S 106 24.6531 102 0.22 47
IV.ASSB.HHZ. 2023-10-02T10:33:37.45 0.3 undecidable manual S 292 20.868 104 0.07 73
IV.FDMO.HHZ. 2023-10-02T10:33:36.00 1.0 undecidable manual S 66 16.872 107 -0.05 25
IV.ATCC.EHZ. 2023-10-02T10:33:36.02 0.6 undecidable manual P 318 31.4463 99 -0.29 46
IV.GAVE.HNZ. 2023-10-02T10:33:36.30 0.6 undecidable manual P 181 31.2465 99 0.04 48
IV.MOMA.HHZ. 2023-10-02T10:33:36.71 1.0 undecidable manual P 235 32.6451 99 0.17 23
IV.CSP1.EHZ. 2023-10-02T10:33:35.71 0.6 undecidable manual P 62 28.1496 100 0.05 48
IV.MC2.EHZ. 2023-10-02T10:33:35.15 0.1 undecidable manual P 106 24.6531 102 0.18 94
IV.ASSB.HHZ. 2023-10-02T10:33:34.23 0.6 negative manual P 292 20.868 104 0 49
IV.FEMA.HNZ. 2023-10-02T10:33:34.88 1.0 undecidable manual S 96 12.3765 112 0.3 23
IV.NRCA.HHZ. 2023-10-02T10:33:34.48 0.1 undecidable manual P 131 23.4543 102 -0.26 93
IV.FDMO.HHZ. 2023-10-02T10:33:33.39 0.6 positive manual P 66 16.872 107 -0.07 49
IV.FEMA.HNZ. 2023-10-02T10:33:32.92 1.0 undecidable manual P 96 12.3765 112 0.31 23
IV.CESI.HHZ. 2023-10-02T10:33:31.24 0.1 undecidable manual P 9 3.4965 145 0.07 100
IV.CESI.HHZ. 2023-10-02T10:33:31.98 0.3 undecidable manual S 9 3.4965 145 -0.1 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.7 0.0000434 0.34 AML other m 2023-10-02T10:33:36.29
IV.FDMO.HHN. ML:0.6 0.00004245 0.16 AML other m 2023-10-02T10:33:36.48
IV.NRCA.HHN. ML:1.1 0.0000824 0.12 AML other m 2023-10-02T10:33:38.31
IV.ASSB.HHE. ML:0.7 0.000038100000000000005 0.76 AML other m 2023-10-02T10:33:38.61
IV.ASSB.HHN. ML:0.8 0.000057 0.18 AML other m 2023-10-02T10:33:38.87
IV.NRCA.HHE. ML:1.0 0.0000622 0.12 AML other m 2023-10-02T10:33:38.98
IV.CSP1.EHN. ML:1.2 0.00008710000000000002 1.26 AML other m 2023-10-02T10:33:41.12
IV.CSP1.EHE. ML:1.1 0.00007214999999999999 0.38 AML other m 2023-10-02T10:33:42.65
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