Earthquake with magnitude of ML 0.8 on date 07-05-2023 and time 19:54:08 (Italy) in region 8 km W Serravalle di Chienti (MC)

A magnitude ML 0.8 earthquake occured in region: 8 km W Serravalle di Chienti (MC), on

  • 07-05-2023 17:54:08 (UTC)
  • 07-05-2023 19:54:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0450, 12.8620 at 8 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
Serravalle di Chienti MC 8 1070 1070
Valtopina PG 9 1398 2468
Nocera Umbra PG 9 5839 8307
Monte Cavallo MC 13 145 8452
Sefro MC 13 422 8874
Muccia MC 15 915 9789
Pieve Torina MC 15 1458 11247
Foligno PG 16 57155 68402
Spello PG 17 8645 77047
Fiuminata MC 17 1402 78449
Pioraco MC 18 1134 79583
Sellano PG 18 1079 80662
Pievebovigliana MC 18 866 81528
Fiordimonte MC 19 202 81730
Camerino MC 20 6974 88704

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
81 Km NW of Teramo (54892 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
92 Km SE of Arezzo (99543 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
96 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 0.8 2023-05-07
17:54:08
43.0448 12.8622 8 2023-05-07
17:59:35
Sala Sismica INGV-Roma 117126671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-07 17:54:08 ± 0.06
Latitude 43.0448 ± 0.0036
Longitude 12.8622 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117126671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 312
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 117126671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-07 17:59:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2023-05-07T17:54:25.35 0.6 undecidable manual S 163 51.1155 50 0.16 47
IV.ATFO.HHZ. 2023-05-07T17:54:23.20 0.3 undecidable manual S 327 42.7239 50 0.24 71
IV.MURB.HHZ. 2023-05-07T17:54:21.71 0.3 undecidable manual S 312 36.5412 50 0.42 69
IV.NRCA.HHZ. 2023-05-07T17:54:19.62 0.6 undecidable manual S 139 31.1466 105 0.03 50
IV.CSP1.EHZ. 2023-05-07T17:54:18.87 0.6 undecidable manual S 79 28.2495 106 0.24 49
IV.LNSS.HHZ. 2023-05-07T17:54:17.84 0.1 undecidable manual P 163 51.1155 50 -0.27 93
IV.ATCC.EHZ. 2023-05-07T17:54:16.94 0.6 undecidable manual S 311 23.754 109 -0.21 49
IV.ATFO.HHZ. 2023-05-07T17:54:16.48 0.1 undecidable manual P 327 42.7239 50 -0.34 93
IV.FDMO.HHZ. 2023-05-07T17:54:15.46 0.6 undecidable manual S 93 18.2706 114 0.09 51
IV.MURB.HHZ. 2023-05-07T17:54:15.64 0.1 undecidable manual P 312 36.5412 50 -0.21 96
IV.CSP1.EHZ. 2023-05-07T17:54:14.88 1.0 undecidable manual P 79 28.2495 106 0.56 22
IV.ASSB.HHZ. 2023-05-07T17:54:14.92 0.6 undecidable manual S 269 16.4724 116 0.12 51
IV.NRCA.HHZ. 2023-05-07T17:54:14.78 0.3 negative manual P 139 31.1466 105 -0.09 75
IV.SNTG.HHZ. 2023-05-07T17:54:13.39 0.1 undecidable manual P 15 24.1536 109 -0.14 100
IV.MML1.EHZ. 2023-05-07T17:54:13.31 0.6 undecidable manual S 49 11.6772 125 -0.06 52
IV.ATCC.EHZ. 2023-05-07T17:54:13.41 1.0 negative manual P 311 23.754 109 -0.05 25
IV.ASSB.HHZ. 2023-05-07T17:54:12.31 0.1 positive manual P 269 16.4724 116 0.2 100
IV.FDMO.HHZ. 2023-05-07T17:54:12.58 0.6 positive manual P 93 18.2706 114 0.14 50
IV.MML1.EHZ. 2023-05-07T17:54:11.17 0.6 negative manual P 49 11.6772 125 -0.11 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.8 0.000091 0.68 AML other m 2023-05-07T17:54:13.47
IV.MML1.EHN. ML:0.8 0.00008585 0.16 AML other m 2023-05-07T17:54:14.90
IV.ASSB.HHN. ML:0.9 0.00007175000000000001 0.2 AML other m 2023-05-07T17:54:15.13
IV.FDMO.HHE. ML:0.6 0.000030600000000000005 0.24 AML other m 2023-05-07T17:54:15.74
IV.FDMO.HHN. ML:0.7 0.000037749999999999996 0.18 AML other m 2023-05-07T17:54:15.78
IV.ASSB.HHE. ML:0.7 0.0000461 0.12 AML other m 2023-05-07T17:54:15.82
IV.SNTG.HHN. ML:0.6 0.0000233 0.12 AML other m 2023-05-07T17:54:17.39
IV.SNTG.HHE. ML:0.6 0.0000231 0.5 AML other m 2023-05-07T17:54:18.15
IV.NRCA.HHN. ML:0.9 0.000039399999999999995 0.1 AML other m 2023-05-07T17:54:19.87
IV.NRCA.HHE. ML:0.9 0.00003845 0.14 AML other m 2023-05-07T17:54:20.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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