Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 08-08-2023 and time 02:07:58 (UTC) in region 7 km SW Serravalle di Chienti (MC)

A magnitude ML 1.3 earthquake occured in region: 7 km SW Serravalle di Chienti (MC), on

  • 08-08-2023 02:07:58 (UTC)
  • 08-08-2023 04:07:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0170, 12.9190 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 7 1070 1070
Monte Cavallo MC 7 145 1215
Pieve Torina MC 11 1458 2673
Muccia MC 13 915 3588
Sellano PG 14 1079 4667
Fiordimonte MC 14 202 4869
Valtopina PG 14 1398 6267
Pievebovigliana MC 15 866 7133
Sefro MC 15 422 7555
Nocera Umbra PG 15 5839 13394
Visso MC 17 1107 14501
Camerino MC 18 6974 21475
Preci PG 18 724 22199
Foligno PG 19 57155 79354
Pioraco MC 19 1134 80488
Fiuminata MC 19 1402 81890
Fiastra MC 20 559 82449
Ussita MC 20 444 82893

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
100 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 1.3 2023-08-08
02:07:58		 43.0167 12.9192 11 2023-08-08
02:51:31		 Sala Sismica INGV-Roma 119934571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-08 02:07:58 ± 0.07
Latitude 43.0167 ± 0.0045
Longitude 12.9192 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119934571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 545
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 24
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) 0.41099
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 119934571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-08 02:51:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-08-08T02:08:20.13 3.0 undecidable manual S 0.22 0
IV.CING.HHZ. 2023-08-08T02:08:13.82 0.6 undecidable manual S 29 45.621 50 0.41 44
IV.GUMA.HHZ. 2023-08-08T02:08:11.01 0.6 undecidable manual S 81 34.1436 50 0.68 42
IV.NARO.HHZ. 2023-08-08T02:08:11.70 3.0 undecidable manual P 0.21 0
IV.MMO1.EHZ. 2023-08-08T02:08:10.71 0.6 undecidable manual S 111 35.5422 50 -0.01 49
IV.FOSV.EHZ. 2023-08-08T02:08:10.22 0.6 undecidable manual S 338 33.4443 50 0.08 49
IV.FRON.EHZ. 2023-08-08T02:08:09.17 3.0 positive manual P -0.06 0
IV.ATCC.EHZ. 2023-08-08T02:08:09.45 0.6 undecidable manual S 310 29.3484 50 0.39 46
IV.SNTG.HHZ. 2023-08-08T02:08:08.25 0.6 undecidable manual S 4 26.4513 50 -0.05 50
IV.ARVD.HHZ. 2023-08-08T02:08:08.35 3.0 negative manual P -0.15 0
IV.NRCA.HHZ. 2023-08-08T02:08:07.93 0.3 undecidable manual S 142 25.752 50 -0.17 73
IV.CING.HHZ. 2023-08-08T02:08:07.15 0.1 positive manual P 29 45.621 50 -0.07 95
IV.CSP1.EHZ. 2023-08-08T02:08:07.84 0.6 undecidable manual S 70 24.6531 50 0.04 50
IV.MF5.EHZ. 2023-08-08T02:08:07.28 3.0 positive manual P 0.3 0
IV.ASSB.HHZ. 2023-08-08T02:08:06.95 0.6 undecidable manual S 278 21.3675 50 0.03 50
IV.FOSV.EHZ. 2023-08-08T02:08:05.21 0.1 undecidable manual P 338 33.4443 50 -0.12 96
IV.MMO1.EHZ. 2023-08-08T02:08:05.56 0.3 negative manual P 111 35.5422 50 -0.1 72
IV.GUMA.HHZ. 2023-08-08T02:08:05.65 0.6 negative manual P 81 34.1436 50 0.21 47
IV.GAVE.EHZ. 2023-08-08T02:08:05.72 3.0 negative manual P 0.01 0
IV.NRCA.HHZ. 2023-08-08T02:08:04.02 0.1 negative manual P 142 25.752 50 -0.13 98
IV.MML1.EHN. 2023-08-08T02:08:04.28 0.6 undecidable manual S 22 11.5773 134 -0.02 51
IV.SNTG.HHZ. 2023-08-08T02:08:04.17 0.1 undecidable manual P 4 26.4513 50 -0.1 98
IV.ATCC.EHZ. 2023-08-08T02:08:04.65 0.1 undecidable manual P 310 29.3484 50 -0.06 98
IV.CSP1.EHZ. 2023-08-08T02:08:03.92 0.1 positive manual P 70 24.6531 50 -0.06 99
IT.MTCL.HGZ. 2023-08-08T02:08:03.30 0.3 undecidable manual S 111 6.993 148 0.01 77
IV.ASSB.HHZ. 2023-08-08T02:08:03.42 0.1 positive manual P 278 21.3675 50 -0.05 100
IV.CESI.HHZ. 2023-08-08T02:08:02.86 0.3 undecidable manual S 222 1.7982 171 0.23 75
IV.CESI.HHZ. 2023-08-08T02:08:01.28 0.1 undecidable manual P 222 1.7982 171 0.29 98
IT.MTCL.HGZ. 2023-08-08T02:08:01.48 0.6 positive manual P 111 6.993 148 0.11 51
IV.MML1.EHN. 2023-08-08T02:08:01.10 0.3 undecidable manual P 22 11.5773 134 -0.86 60
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.6 0.0006025000000000001 0.14 AML other m 2023-08-08T02:08:02.92
IV.CESI.HHN. ML:1.5 0.00051666305 0.0592 AML other m 2023-08-08T02:08:02.95
IV.ASSB.HHE. ML:1.1 0.00008392761 0.08 AML other m 2023-08-08T02:08:07.52
IV.ASSB.HHN. ML:1.3 0.000127946905 0.1008 AML other m 2023-08-08T02:08:07.11
IV.CSP1.EHN. ML:1.6 0.0002124956 0.16 AML other m 2023-08-08T02:08:08.22
IV.CSP1.EHE. ML:1.4 0.0001462227 0.1008 AML other m 2023-08-08T02:08:08.30
IV.NRCA.HHE. ML:1.4 0.0001438974 0.08 AML other m 2023-08-08T02:08:08.19
IV.NRCA.HHN. ML:1.5 0.0001747847 0.0992 AML other m 2023-08-08T02:08:08.03
IV.SNTG.HHE. ML:0.9 0.000046649999999999996 0.08 AML other m 2023-08-08T02:08:08.94
IV.SNTG.HHN. ML:0.9 0.0000382 1.88 AML other m 2023-08-08T02:08:09.00
IV.GUMA.HHE. ML:1.6 0.00015215 0.18 AML other m 2023-08-08T02:08:11.10
IV.GUMA.HHN. ML:1.3 0.0000917 1.08 AML other m 2023-08-08T02:08:11.22
IV.CING.HHN. ML:0.8 0.000020284953500000003 0.1392 AML other m 2023-08-08T02:08:14.14
IV.CING.HHE. ML:0.8 0.000019158790000000003 0.2 AML other m 2023-08-08T02:08:13.94
IV.CESI.HNE. ML:1.5 0.0005125895 0.1488 AML other m 2023-08-08T02:08:02.92
IV.CESI.HNN. ML:1.4 0.000467064845 0.0704 AML other m 2023-08-08T02:08:02.95
IV.NRCA.HNE. ML:1.4 0.00014162593500000002 0.0912 AML other m 2023-08-08T02:08:08.19
IV.NRCA.HNN. ML:1.5 0.00017542445 0.12 AML other m 2023-08-08T02:08:08.04
IV.SNTG.HNE. ML:1.3 0.00009788115999999999 0.7504 AML other m 2023-08-08T02:08:04.02
IV.SNTG.HNN. ML:1.4 0.00012479685 0.9504 AML other m 2023-08-08T02:08:15.10
IV.ATCC.EHE. ML:0.8 0.00002829502 0.12 AML other m 2023-08-08T02:08:09.74
IV.ATCC.EHN. ML:0.6 0.000020936372 0.2208 AML other m 2023-08-08T02:08:10.62
IV.ATCC.HNE. ML:1.4 0.000131026375 0.8 AML other m 2023-08-08T02:08:17.65
IV.ATCC.HNN. ML:1.5 0.0001632712 1.4608 AML other m 2023-08-08T02:08:08.84
IV.FOSV.HNE. ML:1.4 0.000096980185 0.56 AML other m 2023-08-08T02:08:09.12
IV.FOSV.EHE. ML:0.4 0.000012119514 0.16 AML other m 2023-08-08T02:08:10.50
IV.FOSV.EHN. ML:0.6 0.0000144833205 0.1216 AML other m 2023-08-08T02:08:11.94
IV.GAVE.EHE. ML:0.8 0.00002680834 0.12 AML other m 2023-08-08T02:08:14.13
IV.GAVE.EHN. ML:0.9 0.00003187224 0.1008 AML other m 2023-08-08T02:08:11.90
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