Earthquake with magnitude of ML 0.5 on date 20-11-2023 and time 03:57:24 (Italy) in region 2 km NE Monte Cavallo (MC)

A magnitude ML 0.5 earthquake occured in region: 2 km NE Monte Cavallo (MC), on

  • 20-11-2023 02:57:24 (UTC)
  • 20-11-2023 03:57:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0110, 13.0180 at 12 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 2 145 145
Pieve Torina MC 5 1458 1603
Fiordimonte MC 7 202 1805
Pievebovigliana MC 8 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 9 1070 4656
Visso MC 11 1107 5763
Fiastra MC 12 559 6322
Ussita MC 12 444 6766
Acquacanina MC 13 121 6887
Camerino MC 15 6974 13861
Preci PG 15 724 14585
Sellano PG 15 1079 15664
Sefro MC 16 422 16086
Castelsantangelo sul Nera MC 17 281 16367
Bolognola MC 17 142 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
100 Km NE of Viterbo (67173 inhabitants)
101 Km S of Pesaro (94582 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 0.5 2023-11-20
02:57:24
43.0108 13.0183 12 2023-11-20
03:05:04
Sala Sismica INGV-Roma 123273161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-20 02:57:24 ± 0.13
Latitude 43.0108 ± 0.0072
Longitude 13.0183 ± 0.0098
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123273161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 773
Semi-minor axis of confidence ellipse (meter) 767
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 123273161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-20 03:05:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.CARE.HNZ. 2023-11-20T02:58:50.48 3.0 undecidable manual Sn -9.99 0
IV.CTL8.HNZ. 2023-11-20T02:58:47.47 3.0 undecidable manual Sg 0.01 0
IV.PTCC.HHZ. 2023-11-20T02:58:43.39 3.0 undecidable manual Sn -9.45 0
7C.SPAOL.HNZ. 2023-11-20T02:58:41.54 3.0 positive manual Pn -2.68 0
GU.GRAM.HHZ. 2023-11-20T02:58:30.89 3.0 undecidable manual Sg -0.21 0
IV.ORI.HHZ. 2023-11-20T02:58:16.54 3.0 undecidable manual Pn -4.13 0
IV.SNAL.HNZ. 2023-11-20T02:58:03.18 3.0 undecidable manual Pn 0.06 0
IV.MRB1.HHZ. 2023-11-20T02:57:59.78 3.0 undecidable manual Pn 0.34 0
IV.FIAM.HHZ. 2023-11-20T02:57:47.70 3.0 undecidable manual Sn 0.21 0
IV.FIAM.HHZ. 2023-11-20T02:57:33.62 3.0 positive manual Pn -2.75 0
IV.CSP1.EHZ. 2023-11-20T02:57:31.57 0.1 undecidable manual S 59 17.5713 100 0.08 100
IV.CESI.HHZ. 2023-11-20T02:57:29.34 0.3 undecidable manual S 266 9.2796 129 -0.12 75
IV.SNTG.HHZ. 2023-11-20T02:57:29.95 0.1 undecidable manual P 347 27.75 93 -0.07 98
IV.MML1.EHZ. 2023-11-20T02:57:29.98 0.3 undecidable manual S 342 11.9769 118 -0.09 75
IV.MMO1.EHZ. 2023-11-20T02:57:29.94 0.3 undecidable manual P 116 27.9498 93 -0.1 73
IV.CSP1.EHZ. 2023-11-20T02:57:28.38 0.3 undecidable manual P 59 17.5713 100 -0.08 75
IV.CESI.HHZ. 2023-11-20T02:57:27.46 0.1 undecidable manual P 266 9.2796 129 0.17 99
IV.MML1.EHZ. 2023-11-20T02:57:27.75 0.1 undecidable manual P 342 11.9769 118 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.4 0.0000315153215 0.1808 AML other m 2023-11-20T02:57:29.73
IV.CESI.HHE. ML:0.5 0.00003315 0.14 AML other m 2023-11-20T02:57:29.79
IV.CESI.HNE. ML:1.0 0.00013024715 1.4608 AML other m 2023-11-20T02:57:28.91
IV.MML1.EHE. ML:0.4 0.00002711496 0.1408 AML other m 2023-11-20T02:57:30.38
IV.MML1.EHN. ML:0.6 0.000039104625 0.0992 AML other m 2023-11-20T02:57:30.31
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