Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 07-03-2023 and time 11:01:33 (UTC) in region 3 km E Serravalle di Chienti (MC)

A magnitude ML 0.9 earthquake occured in region: 3 km E Serravalle di Chienti (MC), on

  • 07-03-2023 11:01:33 (UTC)
  • 07-03-2023 12:01:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0620, 12.9850 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 5 915 1985
Pieve Torina MC 6 1458 3443
Monte Cavallo MC 8 145 3588
Pievebovigliana MC 8 866 4454
Fiordimonte MC 9 202 4656
Sefro MC 10 422 5078
Camerino MC 11 6974 12052
Pioraco MC 13 1134 13186
Fiastra MC 14 559 13745
Fiuminata MC 15 1402 15147
Acquacanina MC 16 121 15268
Nocera Umbra PG 17 5839 21107
Visso MC 17 1107 22214
Castelraimondo MC 18 4587 26801
Ussita MC 18 444 27245
Valtopina PG 19 1398 28643
Sellano PG 20 1079 29722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
87 Km S of Fano (60888 inhabitants)
95 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
Bulletin
Rev1000 		ML 0.9 2023-03-07
11:01:33		 43.0625 12.9848 14 2024-03-01
17:18:17		 Bollettino Sismico Italiano INGV 122180801
Reviewed
Rev100 		ML 1.7 2023-03-07
11:01:33		 43.062 12.9862 15 2023-03-07
11:07:57		 Sala Sismica INGV-Roma 115064611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-07 11:01:33 ± 0.07
Latitude 43.0625 ± 0.0027
Longitude 12.9848 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 122180801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 27
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.24731
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 122180801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-10-19 11:55:17

ML:1.7

Field Value
Value 1.7
Uncertainty 0.9
Num. used stations 4
Type of magnitude ML
Reference to an origin 115064611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-07 11:07:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-03-07T11:01:43.26 0.3 undecidable manual S 265 26.5512 102 0.05 72
IV.NRCA.HHZ. 2023-03-07T11:01:43.29 0.3 undecidable manual S 157 27.4503 102 -0.18 71
IV.MC2.EHZ. 2023-03-07T11:01:42.56 0.3 undecidable manual S 135 23.5542 105 0.11 71
IV.SNTG.HHZ. 2023-03-07T11:01:41.89 0.3 undecidable manual S 351 21.6672 107 -0.06 73
IV.CSP1.EHZ. 2023-03-07T11:01:41.13 0.3 undecidable manual S 80 18.1707 113 0.06 73
IV.CESI.HHZ. 2023-03-07T11:01:39.32 0.3 undecidable manual S 225 9.0798 139 0.21 73
IV.ASSB.HHZ. 2023-03-07T11:01:39.01 0.1 positive manual P 265 26.5512 102 -0.13 95
IV.NRCA.HHZ. 2023-03-07T11:01:39.17 0.1 undecidable manual P 157 27.4503 102 -0.12 95
IV.MML1.EHZ. 2023-03-07T11:01:38.63 0.3 undecidable manual S 349 5.7942 153 0.02 75
IT.MTCL.HGZ. 2023-03-07T11:01:38.80 0.1 undecidable manual S 171 7.6812 144 -0.08 98
IV.MC2.EHZ. 2023-03-07T11:01:38.91 0.1 undecidable manual P 135 23.5542 105 0.21 93
IV.FDMO.HHZ. 2023-03-07T11:01:38.92 0.3 undecidable manual S 109 8.7801 140 -0.14 73
IV.SNTG.HHZ. 2023-03-07T11:01:38.25 0.1 positive manual P 351 21.6672 107 -0.17 96
IV.CSP1.EHZ. 2023-03-07T11:01:37.91 0.1 undecidable manual P 80 18.1707 113 0 98
IV.MML1.EHZ. 2023-03-07T11:01:36.56 0.1 negative manual P 349 5.7942 153 0.07 99
IT.MTCL.HGZ. 2023-03-07T11:01:36.63 0.1 undecidable manual P 171 7.6812 144 -0.01 100
IV.FDMO.HHZ. 2023-03-07T11:01:36.72 0.1 undecidable manual P 109 8.7801 140 -0.03 100
IV.CESI.HHZ. 2023-03-07T11:01:36.89 0.1 undecidable manual P 225 9.0798 139 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.HNN. ML:0.9 0.00009094962 0.0896 AML other m 2023-03-07T11:01:39.02
IV.FDMO.HHE. ML:0.8 0.00006803678 0.1216 AML other m 2023-03-07T11:01:39.16
IV.MML1.HNE. ML:1.0 0.00011153884 0.1024 AML other m 2023-03-07T11:01:39.08
IV.MML1.EHE. ML:1.0 0.00012008074999999999 0.1024 AML other m 2023-03-07T11:01:39.08
IV.FDMO.HHN. ML:1.0 0.00011205915 0.1408 AML other m 2023-03-07T11:01:39.19
IV.MML1.EHN. ML:0.9 0.00008926590999999999 0.096 AML other m 2023-03-07T11:01:39.39
IV.ASSB.HHE. ML:0.7 0.000026061092000000002 0.1024 AML other m 2023-03-07T11:01:44.36
IV.ASSB.HHN. ML:0.8 0.000034389999999999994 0.42 AML other m 2023-03-07T11:01:44.23
IV.CESI.HHE. ML:0.8 0.000067394135 0.0576 AML other m 2023-03-07T11:01:39.44
IV.CESI.HHN. ML:0.8 0.000067831405 0.1024 AML other m 2023-03-07T11:01:39.58
IV.CESI.HNN. ML:1.0 0.00010046398950000001 0.352 AML other m 2023-03-07T11:01:39.48
IV.CESI.HNE. ML:0.8 0.00006063987 0.2304 AML other m 2023-03-07T11:01:39.77
IV.CSP1.EHN. ML:1.3 0.00012930385 0.2816 AML other m 2023-03-07T11:01:41.91
IV.CSP1.EHE. ML:1.2 0.00010208431 0.1024 AML other m 2023-03-07T11:01:41.42
IV.SNTG.HHN. ML:0.4 0.000017401015 0.0768 AML other m 2023-03-07T11:01:42.44
IV.SNTG.HHE. ML:0.5 0.000022167435 0.1344 AML other m 2023-03-07T11:01:41.96
IV.SNTG.HNE. ML:0.8 0.000038350885 0.1728 AML other m 2023-03-07T11:01:41.94
IV.NRCA.HNN. ML:1.1 0.0000644611 0.1408 AML other m 2023-03-07T11:01:43.69
IV.NRCA.HHN. ML:1.1 0.000060547745 0.16 AML other m 2023-03-07T11:01:43.70
IV.NRCA.HNE. ML:1.2 0.00007644987999999999 0.1472 AML other m 2023-03-07T11:01:44.02
IV.NRCA.HHE. ML:1.0 0.000055988565000000006 0.2624 AML other m 2023-03-07T11:01:43.38
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