Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 23-10-2023 and time 14:59:32 (Italy) in region 6 km W Serravalle di Chienti (MC)

A magnitude ML 0.6 earthquake occured in region: 6 km W Serravalle di Chienti (MC), on

  • 23-10-2023 12:59:32 (UTC)
  • 23-10-2023 14:59:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0760, 12.8820 at 7 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 6 1070 1070
Nocera Umbra PG 8 5839 6909
Sefro MC 10 422 7331
Valtopina PG 10 1398 8729
Muccia MC 13 915 9644
Monte Cavallo MC 13 145 9789
Fiuminata MC 13 1402 11191
Pieve Torina MC 14 1458 12649
Pioraco MC 14 1134 13783
Pievebovigliana MC 17 866 14649
Camerino MC 17 6974 21623
Fiordimonte MC 18 202 21825
Gualdo Tadino PG 19 15208 37033
Spello PG 19 8645 45678
Foligno PG 20 57155 102833

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
82 Km NW of Teramo (54892 inhabitants)
86 Km S of Fano (60888 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
92 Km E of Arezzo (99543 inhabitants)
93 Km S of Pesaro (94582 inhabitants)
97 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 0.6 2023-10-23
12:59:32		 43.0758 12.8818 7 2023-10-23
13:09:46		 Sala Sismica INGV-Roma 122310351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-23 12:59:32 ± 0.15
Latitude 43.0758 ± 0.0054
Longitude 12.8818 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122310351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 487
Semi-minor axis of confidence ellipse (meter) 285
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32106
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 122310351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-23 13:09:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2023-10-23T13:01:04.10 3.0 undecidable manual Pg 18.639999 0
IV.CTI.HHZ. 2023-10-23T13:00:59.29 3.0 undecidable manual Sn 2.54 0
IV.AGLI.HHZ. 2023-10-23T13:00:51.21 3.0 undecidable manual Sg 3.73 0
IV.LINA.HHZ. 2023-10-23T13:00:49.46 3.0 positive manual Pn -4.96 0
IT.DLNV.HNZ. 2023-10-23T13:00:39.32 3.0 undecidable manual Pg 10.34 0
IV.ACER.HHZ. 2023-10-23T13:00:34.95 3.0 undecidable manual Sn 0.45 0
IV.GMB1.HHZ. 2023-10-23T13:00:32.66 3.0 negative manual Pn 3.34 0
SL.KOGS.BHZ. 2023-10-23T13:00:27.22 3.0 negative manual Pn 2.2 0
MN.TRI.HHZ. 2023-10-23T13:00:22.56 3.0 negative manual Pg 15.03 0
IV.ECTS.HHZ. 2023-10-23T13:00:21.77 3.0 undecidable manual Pn -8.56 0
IV.SERS.HHZ. 2023-10-23T13:00:18.88 3.0 undecidable manual Pn -5.01 0
IV.PTRJ.HHZ. 2023-10-23T13:00:08.56 3.0 undecidable manual Sn 0.85 0
IV.MGR.HHZ. 2023-10-23T13:00:07.97 3.0 undecidable manual Pn 3.02 0
ZO.PDN2.EHZ. 2023-10-23T13:00:06.75 3.0 negative manual Pn -3.15 0
GU.GSCL.HHZ. 2023-10-23T13:00:03.06 3.0 undecidable manual Pg 3.6 0
IV.ARVD.HHZ. 2023-10-23T12:59:47.19 3.0 undecidable manual Pg 7.79 0
IV.CSP1.EHZ. 2023-10-23T12:59:42.22 0.3 undecidable manual S 86 26.2515 106 0.21 71
IV.MURB.HNN. 2023-10-23T12:59:39.84 0.1 undecidable manual P 306 35.6421 102 0 97
IV.FDMO.HHZ. 2023-10-23T12:59:39.19 0.3 undecidable manual S 105 17.1717 113 0.14 73
IV.ASSB.HHZ. 2023-10-23T12:59:39.64 0.3 undecidable manual S 259 18.4704 112 0.19 72
IV.CSP1.EHZ. 2023-10-23T12:59:38.13 0.3 undecidable manual P 86 26.2515 106 0.12 72
IV.NRCA.HHZ. 2023-10-23T12:59:38.85 3.0 positive manual Pg 4.84 0
IV.FDMO.HHZ. 2023-10-23T12:59:36.13 1.0 positive manual P 105 17.1717 113 -0.18 24
IV.CESI.HHZ. 2023-10-23T12:59:36.59 0.3 undecidable manual S 167 8.0808 132 0.24 73
IV.ASSB.HHZ. 2023-10-23T12:59:36.54 0.3 positive manual P 259 18.4704 112 0 75
IV.MML1.EHZ. 2023-10-23T12:59:36.34 0.1 undecidable manual S 60 8.3805 131 -0.08 100
IV.SNTG.HNE. 2023-10-23T12:59:36.96 0.1 undecidable manual P 13 20.4684 110 0.05 99
IT.MTCL.HGE. 2023-10-23T12:59:35.31 0.6 undecidable manual P 134 13.1757 119 -0.27 48
IV.CESI.HHZ. 2023-10-23T12:59:34.27 0.3 undecidable manual P 167 8.0808 132 -0.48 69
IV.MML1.EHZ. 2023-10-23T12:59:34.69 0.1 negative manual P 60 8.3805 131 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.7 0.00008985 0.2 AML other m 2023-10-23T12:59:36.70
IV.MML1.EHE. ML:0.8 0.0000935 1.38 AML other m 2023-10-23T12:59:36.01
IV.CESI.HHE. ML:0.7 0.000088 0.64 AML other m 2023-10-23T12:59:36.99
IV.CESI.HHN. ML:0.6 0.00007594999999999999 1.42 AML other m 2023-10-23T12:59:36.99
IV.FDMO.HHN. ML:0.3 0.00002095 1.6 AML other m 2023-10-23T12:59:40.15
IV.FDMO.HHE. ML:0.3 0.000019950000000000004 0.42 AML other m 2023-10-23T12:59:42.74
IV.MML1.HNE. ML:0.8 0.000109423275 0.6272 AML other m 2023-10-23T12:59:36.25
IV.MML1.HNN. ML:0.8 0.0001073919 0.5056 AML other m 2023-10-23T12:59:38.35
IV.ASSB.HHE. ML:0.5 0.000025167565000000004 0.3392 AML other m 2023-10-23T12:59:40.95
IV.ASSB.HHN. ML:0.6 0.00003057268 0.2752 AML other m 2023-10-23T12:59:41.25
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