Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 21-11-2023 and time 02:06:07 (Italy) in region 4 km W Serravalle di Chienti (MC)

A magnitude ML 1.0 earthquake occured in region: 4 km W Serravalle di Chienti (MC), on

  • 21-11-2023 01:06:07 (UTC)
  • 21-11-2023 02:06:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0820, 12.9030 at 16 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serravalle di Chienti MC 4 1070 1070
Sefro MC 8 422 1492
Nocera Umbra PG 10 5839 7331
Muccia MC 12 915 8246
Valtopina PG 12 1398 9644
Fiuminata MC 12 1402 11046
Monte Cavallo MC 13 145 11191
Pieve Torina MC 13 1458 12649
Pioraco MC 13 1134 13783
Camerino MC 15 6974 20757
Pievebovigliana MC 15 866 21623
Fiordimonte MC 16 202 21825
Castelraimondo MC 19 4587 26412
Gualdo Tadino PG 19 15208 41620
Esanatoglia MC 19 2034 43654

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
81 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
93 Km E of Arezzo (99543 inhabitants)
98 Km NE of Viterbo (67173 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 1.0 2023-11-21
01:06:07		 43.0817 12.9032 16 2023-11-21
01:50:19		 Sala Sismica INGV-Roma 123295831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-21 01:06:07 ± 0.07
Latitude 43.0817 ± 0.0027
Longitude 12.9032 ± 0.0037
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123295831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 84
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.36243
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 123295831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-21 01:50:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-11-21T01:06:21.42 0.3 undecidable manual S 36 40.2264 100 0.11 69
IV.NRCA.HHZ. 2023-11-21T01:06:19.27 0.1 undecidable manual S 148 32.4453 104 0.01 96
IV.EL6.EHN. 2023-11-21T01:06:19.16 0.3 undecidable manual S 30 31.8459 104 0.05 71
IV.CSP1.EHZ. 2023-11-21T01:06:17.49 0.1 undecidable manual S 87 24.4533 111 0.26 92
IV.ATCC.EHZ. 2023-11-21T01:06:17.62 0.3 undecidable manual S 298 24.2535 111 0.45 67
IV.ASSB.HHZ. 2023-11-21T01:06:16.20 0.3 undecidable manual S 258 20.2686 117 -0.01 73
IV.SNTG.HHZ. 2023-11-21T01:06:15.72 0.3 undecidable manual S 9 19.4694 118 -0.3 70
IV.FDMO.HHZ. 2023-11-21T01:06:15.19 0.3 undecidable manual S 108 15.7731 126 0.02 74
IV.CING.HHZ. 2023-11-21T01:06:15.56 0.3 undecidable manual P 36 40.2264 100 -0.12 70
IV.NRCA.HHZ. 2023-11-21T01:06:14.36 0.3 positive manual P 148 32.4453 104 -0.14 70
IV.EL6.EHN. 2023-11-21T01:06:14.26 0.1 undecidable manual P 30 31.8459 104 -0.15 94
IT.MTCL.HGZ. 2023-11-21T01:06:14.37 0.3 undecidable manual S 141 12.4764 134 -0.13 73
IV.CSP1.EHZ. 2023-11-21T01:06:13.38 0.1 undecidable manual P 87 24.4533 111 0.05 97
IV.ATCC.EHZ. 2023-11-21T01:06:13.24 0.1 undecidable manual P 298 24.2535 111 -0.05 96
IV.MML1.EHZ. 2023-11-21T01:06:13.59 0.3 undecidable manual S 57 6.5934 153 0.03 75
IV.CESI.HHZ. 2023-11-21T01:06:13.71 0.3 undecidable manual S 179 8.4804 146 -0.11 74
IV.FDMO.HHZ. 2023-11-21T01:06:12.15 0.1 undecidable manual P 108 15.7731 126 0.01 99
IV.ASSB.HHZ. 2023-11-21T01:06:12.72 0.3 undecidable manual P 258 20.2686 117 -0.02 73
IV.SNTG.HHZ. 2023-11-21T01:06:12.46 0.1 undecidable manual P 9 19.4694 118 -0.17 96
IV.MML1.EHZ. 2023-11-21T01:06:11.24 0.1 undecidable manual P 57 6.5934 153 0.03 100
IV.CESI.HHZ. 2023-11-21T01:06:11.44 0.1 undecidable manual P 179 8.4804 146 0.08 99
IT.MTCL.HGZ. 2023-11-21T01:06:11.75 0.3 undecidable manual P 141 12.4764 134 0 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:1.1 0.000125 0.16 AML other m 2023-11-21T01:06:13.92
IV.MML1.EHE. ML:1.1 0.0001295 0.18 AML other m 2023-11-21T01:06:13.94
IV.CESI.HHE. ML:0.9 0.00007680000000000001 0.42 AML other m 2023-11-21T01:06:14.05
IV.CESI.HHN. ML:1.0 0.0001035 0.28 AML other m 2023-11-21T01:06:14.18
IV.SNTG.HHE. ML:0.8 0.0000443 0.1 AML other m 2023-11-21T01:06:16.10
IV.SNTG.HHN. ML:0.9 0.0000515 0.1 AML other m 2023-11-21T01:06:16.06
IV.ASSB.HHE. ML:0.9 0.00004995 0.16 AML other m 2023-11-21T01:06:16.72
IV.ASSB.HHN. ML:1.0 0.000058099999999999996 0.46 AML other m 2023-11-21T01:06:16.67
IV.NRCA.HHN. ML:0.9 0.000036950000000000004 0.16 AML other m 2023-11-21T01:06:19.82
IV.NRCA.HHE. ML:0.9 0.0000367 1.32 AML other m 2023-11-21T01:06:19.19
IV.MML1.HNE. ML:1.1 0.000113179785 0.14 AML other m 2023-11-21T01:06:13.93
IV.MML1.HNN. ML:1.1 0.00012534407 0.1608 AML other m 2023-11-21T01:06:13.84
IV.CESI.HNE. ML:1.1 0.00010890864 0.7192 AML other m 2023-11-21T01:06:17.60
IV.CESI.HNN. ML:0.9 0.00008243268300000001 0.3792 AML other m 2023-11-21T01:06:14.03
IV.SNTG.HNE. ML:1.1 0.00008748544499999999 0.3192 AML other m 2023-11-21T01:06:16.21
IV.ATCC.EHN. ML:0.6 0.000021450545 0.14 AML other m 2023-11-21T01:06:18.11
IV.CSP1.EHE. ML:0.9 0.000038142795 0.14 AML other m 2023-11-21T01:06:17.74
IV.CSP1.EHN. ML:1.0 0.000047948375 0.38 AML other m 2023-11-21T01:06:17.84
IV.CING.HHE. ML:0.5 0.0000115823185 0.52 AML other m 2023-11-21T01:06:22.31
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