Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 24-09-2023 and time 20:04:58 (UTC) in region 3 km E Serravalle di Chienti (MC)

A magnitude ML 1.1 earthquake occured in region: 3 km E Serravalle di Chienti (MC), on

  • 24-09-2023 20:04:58 (UTC)
  • 24-09-2023 22:04:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0780, 12.9940 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 3 1070 1070
Muccia MC 4 915 1985
Pieve Torina MC 6 1458 3443
Pievebovigliana MC 8 866 4309
Sefro MC 9 422 4731
Camerino MC 9 6974 11705
Fiordimonte MC 9 202 11907
Monte Cavallo MC 9 145 12052
Pioraco MC 11 1134 13186
Fiuminata MC 13 1402 14588
Fiastra MC 14 559 15147
Acquacanina MC 16 121 15268
Castelraimondo MC 16 4587 19855
Nocera Umbra PG 17 5839 25694
Visso MC 18 1107 26801
Ussita MC 19 444 27245
Gagliole MC 19 620 27865
Serrapetrona MC 19 966 28831
Valtopina PG 20 1398 30229
Esanatoglia MC 20 2034 32263
Matelica MC 20 9981 42244

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
93 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 1.1 2023-09-24
20:04:58		 43.0783 12.9942 16 2023-09-24
20:12:14		 Sala Sismica INGV-Roma 121429241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-24 20:04:58 ± 0.16
Latitude 43.0783 ± 0.0045
Longitude 12.9942 ± 0.0098
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 121429241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 689
Semi-minor axis of confidence ellipse (meter) 526
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27249
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 121429241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-24 20:12:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7F.SIB1.EHZ. 2023-09-24T20:05:09.14 0.6 undecidable manual S 132 30.2475 105 0.39 46
IV.NRCA.HHZ. 2023-09-24T20:05:08.88 0.6 undecidable manual S 160 28.8489 106 0.5 44
IV.MC2.EHZ. 2023-09-24T20:05:07.53 0.6 undecidable manual S 139 24.3534 110 0.29 47
IV.SNTG.HHZ. 2023-09-24T20:05:06.24 0.3 undecidable manual S 348 20.0688 116 0.05 75
IV.CSP1.EHZ. 2023-09-24T20:05:05.76 0.6 undecidable manual S 85 17.1717 122 0.25 48
IV.PF6.EHZ. 2023-09-24T20:05:05.41 0.6 undecidable manual S 68 17.4714 121 -0.18 48
IV.CESI.HNZ. 2023-09-24T20:05:04.23 0.6 undecidable manual S 222 10.878 138 0 51
IV.NRCA.HHZ. 2023-09-24T20:05:04.10 0.3 undecidable manual P 160 28.8489 106 0.09 73
IV.FDMO.HHZ. 2023-09-24T20:05:03.62 0.6 undecidable manual S 122 8.88 145 -0.27 48
7F.SIB1.EHZ. 2023-09-24T20:05:03.73 0.1 undecidable manual P 132 30.2475 105 -0.5 89
IT.MTCL.HGZ. 2023-09-24T20:05:03.52 0.3 undecidable manual S 177 9.3795 143 -0.44 70
IV.MML1.EHZ. 2023-09-24T20:05:03.52 0.6 undecidable manual S 335 4.2957 162 0.19 50
IV.MC2.EHZ. 2023-09-24T20:05:03.32 0.1 undecidable manual P 139 24.3534 110 -0.04 99
IV.PF6.EHZ. 2023-09-24T20:05:02.24 0.1 undecidable manual P 68 17.4714 121 -0.16 98
IV.SNTG.HHZ. 2023-09-24T20:05:02.81 0.1 undecidable manual P 348 20.0688 116 0.06 99
IV.CSP1.EHZ. 2023-09-24T20:05:02.24 1.0 positive manual P 85 17.1717 122 -0.11 25
IV.FOSV.EHZ. 2023-09-24T20:05:02.80 3.0 undecidable manual P -1.84 0
IV.CESI.HNZ. 2023-09-24T20:05:01.78 0.3 undecidable manual P 222 10.878 138 0.17 73
IT.MTCL.HGZ. 2023-09-24T20:05:01.32 0.1 undecidable manual P 177 9.3795 143 -0.14 100
IV.MML1.EHZ. 2023-09-24T20:05:01.29 0.3 undecidable manual P 335 4.2957 162 0.19 74
IV.FDMO.HHZ. 2023-09-24T20:05:01.58 0.6 undecidable manual P 122 8.88 145 0.16 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.0 0.00009045 0.14 AML other m 2023-09-24T20:05:03.90
IV.FDMO.HHE. ML:0.9 0.0000696 0.12 AML other m 2023-09-24T20:05:03.98
IV.CSP1.EHE. ML:1.3 0.000134111485 1.9968 AML other m 2023-09-24T20:05:04.90
IV.CSP1.EHN. ML:1.2 0.00009792832499999999 1.6 AML other m 2023-09-24T20:05:03.99
IV.SNTG.HHE. ML:0.9 0.000049719075 1.984 AML other m 2023-09-24T20:05:03.53
IV.SNTG.HHN. ML:0.4 0.0000156263575 0.8832 AML other m 2023-09-24T20:05:04.08
IV.SNTG.HNE. ML:1.2 0.00011214415499999999 0.64 AML other m 2023-09-24T20:05:07.28
IV.SNTG.HNN. ML:1.2 0.00010117451499999999 0.5504 AML other m 2023-09-24T20:05:14.78
IV.NRCA.HHE. ML:1.0 0.000048948955000000005 1.8176 AML other m 2023-09-24T20:05:18.99
IV.NRCA.HHN. ML:0.6 0.00001905991525 0.1408 AML other m 2023-09-24T20:05:08.60
IV.NRCA.HNE. ML:1.5 0.000150474 0.5632 AML other m 2023-09-24T20:05:12.54
IV.NRCA.HNN. ML:1.7 0.00022000365 0.8448 AML other m 2023-09-24T20:05:19.58
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