Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 12-12-2022 and time 00:21:55 (UTC) in region 7 km SW Serravalle di Chienti (MC)

A magnitude ML 1.2 earthquake occured in region: 7 km SW Serravalle di Chienti (MC), on

  • 12-12-2022 00:21:55 (UTC)
  • 12-12-2022 01:21:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0210, 12.9150 at 10 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 7 1070 1070
Monte Cavallo MC 8 145 1215
Pieve Torina MC 11 1458 2673
Muccia MC 13 915 3588
Valtopina PG 14 1398 4986
Nocera Umbra PG 14 5839 10825
Sefro MC 14 422 11247
Fiordimonte MC 14 202 11449
Pievebovigliana MC 15 866 12315
Sellano PG 15 1079 13394
Visso MC 17 1107 14501
Camerino MC 18 6974 21475
Pioraco MC 19 1134 22609
Foligno PG 19 57155 79764
Preci PG 19 724 80488
Fiuminata MC 19 1402 81890
Fiastra MC 20 559 82449

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
82 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)
97 Km SE of Arezzo (99543 inhabitants)
99 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 1.2 2022-12-12
00:21:55		 43.0213 12.915 10 2024-03-01
15:28:27		 Bollettino Sismico Italiano INGV 118750151
Reviewed
Rev100 		ML 1.2 2022-12-12
00:21:56		 43.0487 12.8853 3 2022-12-12
00:40:38		 Sala Sismica INGV-Roma 112746691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-12 00:21:55 ± 0.07
Latitude 43.0213 ± 0.0045
Longitude 12.9150 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118750151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 558
Semi-minor axis of confidence ellipse (meter) 390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 0.42538
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 112746691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-12 00:40:38

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 118750151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-27 09:53:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2022-12-12T00:22:10.87 0.6 undecidable manual S 347 47.2194 50 0.52 42
IV.GUMA.HHZ. 2022-12-12T00:22:07.16 0.6 undecidable manual S 82 34.3434 50 0.25 46
IV.MMO1.EHZ. 2022-12-12T00:22:07.10 0.6 undecidable manual S 112 36.0417 50 -0.26 46
IV.NRCA.HHZ. 2022-12-12T00:22:04.42 0.6 undecidable manual S 142 26.3514 50 -0.36 45
IV.MF5.EHZ. 2022-12-12T00:22:03.75 0.3 undecidable manual P 95 44.3223 50 0.32 67
IV.SSFR.HHZ. 2022-12-12T00:22:03.79 0.3 undecidable manual P 347 47.2194 50 -0.09 69
IV.EL6.EHZ. 2022-12-12T00:22:02.08 0.3 undecidable manual P 24 37.3293 50 -0.27 68
IV.ASSB.HHZ. 2022-12-12T00:22:02.97 0.6 undecidable manual S 277 20.9679 116 -0.12 48
IV.MMO1.EHZ. 2022-12-12T00:22:01.93 0.3 undecidable manual P 112 36.0417 50 -0.23 69
IV.GUMA.HHZ. 2022-12-12T00:22:01.84 0.3 undecidable manual P 82 34.3434 50 -0.06 72
IV.FOSV.EHZ. 2022-12-12T00:22:01.40 0.3 undecidable manual P 338 32.745 50 -0.25 69
IV.NRCA.HHZ. 2022-12-12T00:22:01.03 0.3 undecidable manual P 142 26.3514 50 0.37 68
IV.MML1.EHZ. 2022-12-12T00:22:00.14 0.3 undecidable manual S 24 11.1777 132 -0.12 74
IV.FDMO.HHZ. 2022-12-12T00:22:00.80 0.6 undecidable manual S 83 14.0748 125 -0.24 48
IV.ASSB.HHZ. 2022-12-12T00:21:59.64 0.3 undecidable manual P 277 20.9679 116 -0.05 73
IT.MTCL.HGE. 2022-12-12T00:21:59.18 0.6 undecidable manual S 114 7.4814 143 -0.21 48
IV.FDMO.HHZ. 2022-12-12T00:21:58.80 0.3 undecidable manual P 83 14.0748 125 0.29 71
IV.MML1.EHZ. 2022-12-12T00:21:58.08 0.1 undecidable manual P 24 11.1777 132 0.03 100
IV.CESI.HHZ. 2022-12-12T00:21:58.55 0.6 undecidable manual S 205 1.998 169 -0.04 51
IV.CESI.HHZ. 2022-12-12T00:21:57.27 0.1 undecidable manual P 205 1.998 169 0.18 98
IT.MTCL.HGE. 2022-12-12T00:21:57.72 0.3 undecidable manual P 114 7.4814 143 0.17 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.1 0.000235 0.32 AML other m 2022-12-12T00:21:53.68
IV.CESI.HHE. ML:1.2 0.00030649999999999997 0.14 AML other m 2022-12-12T00:21:53.58
IV.MML1.EHN. ML:1.3 0.0002125 0.2 AML other m 2022-12-12T00:22:00.26
IV.MML1.EHE. ML:1.6 0.00043599999999999997 0.22 AML other m 2022-12-12T00:22:00.26
IV.FDMO.HHE. ML:0.9 0.0000727 0.68 AML other m 2022-12-12T00:22:01.01
IV.FDMO.HHN. ML:0.9 0.0000789 0.46 AML other m 2022-12-12T00:22:02.26
IV.ASSB.HHN. ML:1.2 0.00010345 0.18 AML other m 2022-12-12T00:22:03.99
IV.ASSB.HHE. ML:1.2 0.00009779999999999999 0.3 AML other m 2022-12-12T00:22:04.17
IV.NRCA.HHE. ML:1.5 0.0001835 0.08 AML other m 2022-12-12T00:22:05.38
IV.NRCA.HHN. ML:1.5 0.00017999999999999998 0.3 AML other m 2022-12-12T00:22:05.45
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