Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 30-09-2022 and time 17:56:28 (UTC) in region 4 km SW Monte Cavallo (MC)

A magnitude ML 0.8 earthquake occured in region: 4 km SW Monte Cavallo (MC), on

  • 30-09-2022 17:56:28 (UTC)
  • 30-09-2022 19:56:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9690, 12.9600 at 12 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
Monte Cavallo MC 5 145 145
Sellano PG 9 1079 1224
Pieve Torina MC 11 1458 2682
Visso MC 11 1107 3789
Serravalle di Chienti MC 12 1070 4859
Preci PG 12 724 5583
Fiordimonte MC 13 202 5785
Muccia MC 15 915 6700
Pievebovigliana MC 15 866 7566
Ussita MC 15 444 8010
Cerreto di Spoleto PG 17 1075 9085
Fiastra MC 18 559 9644
Castelsantangelo sul Nera MC 18 281 9925
Acquacanina MC 19 121 10046
Valtopina PG 20 1398 11444
Trevi PG 20 8469 19913
Sefro MC 20 422 20335

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
98 Km S of Fano (60888 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 0.8 2022-09-30
17:56:28		 42.9687 12.96 12 2024-03-01
15:28:16		 Bollettino Sismico Italiano INGV 113662961
Reviewed
Rev100 		ML 0.6 2022-09-30
17:56:28		 42.9597 12.9635 11 2022-09-30
18:34:46		 Sala Sismica INGV-Roma 110347821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-30 17:56:28 ± 0.05
Latitude 42.9687 ± 0.0027
Longitude 12.9600 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113662961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 317
Semi-minor axis of confidence ellipse (meter) 83
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42808
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 113662961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-18 16:23:41

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 110347821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-30 18:34:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2022-09-30T17:58:28.06 3.0 undecidable manual Sg 14.21 0
IV.CMPR.HHZ. 2022-09-30T17:58:08.31 3.0 undecidable manual Sg 2.97 0
1J.FX12.HHZ.00 2022-09-30T17:57:54.48 3.0 undecidable manual Pn 0.93 0
IV.MBFT.HHZ. 2022-09-30T17:57:54.45 3.0 undecidable manual Pg 4.09 0
IV.SPS2.HHZ. 2022-09-30T17:57:52.84 3.0 positive manual Pg 11.27 0
MN.TRI.HHZ. 2022-09-30T17:57:42.87 3.0 undecidable manual Sn -3.84 0
GU.CARD.HHZ. 2022-09-30T17:57:40.84 3.0 undecidable manual Sg 5.97 0
IV.CMPR.HHZ. 2022-09-30T17:57:24.32 3.0 undecidable manual Pg 0.44 0
IV.IMOL.HNZ. 2022-09-30T17:57:21.59 3.0 undecidable manual Sg 0.19 0
IV.GATE.HHZ. 2022-09-30T17:57:06.33 3.0 positive manual Pg -1.59 0
IV.SEI.HHZ. 2022-09-30T17:57:01.31 3.0 negative manual Pg 2.05 0
IV.RSM2.HHZ. 2022-09-30T17:56:59.38 3.0 undecidable manual S -4.2 0
IV.CAFI.HHZ. 2022-09-30T17:56:57.26 3.0 undecidable manual S -4.93 0
IV.SFI.EHZ. 2022-09-30T17:56:54.82 3.0 undecidable manual P 0.69 0
IV.RSM2.HHZ. 2022-09-30T17:56:45.13 3.0 undecidable manual P -4.05 0
IV.EL6.EHZ. 2022-09-30T17:56:41.95 0.6 undecidable manual S 16 41.625 91 0.33 44
IV.LNSS.HNZ. 2022-09-30T17:56:41.68 0.6 undecidable manual S 171 41.1255 91 0.2 46
IV.SNTG.HHZ. 2022-09-30T17:56:39.09 0.6 undecidable manual S 357 31.8459 92 0.09 47
IV.GAVE.EHN. 2022-09-30T17:56:39.00 0.6 undecidable manual S 190 31.1466 92 0.18 47
IV.CSP1.EHZ. 2022-09-30T17:56:37.06 0.6 undecidable manual S 55 24.0537 93 0.11 48
IV.ASSB.HHZ. 2022-09-30T17:56:37.04 0.3 undecidable manual S 289 25.752 93 -0.35 68
IV.PF6.EHZ. 2022-09-30T17:56:37.54 0.6 undecidable manual S 45 26.6511 93 -0.1 48
IV.TRE1.HNZ. 2022-09-30T17:56:36.68 0.3 undecidable manual P 37 47.5191 91 -0.12 69
IV.LNSS.HNZ. 2022-09-30T17:56:35.55 0.1 undecidable manual P 171 41.1255 91 -0.25 90
IV.EL6.EHZ. 2022-09-30T17:56:35.68 0.1 undecidable manual P 16 41.625 91 -0.2 91
IV.NRCA.HHZ. 2022-09-30T17:56:35.51 0.3 undecidable manual S 140 19.5693 95 -0.22 70
IV.GAVE.EHN. 2022-09-30T17:56:34.66 0.6 undecidable manual P 190 31.1466 92 0.39 45
IV.MML1.EHZ. 2022-09-30T17:56:34.83 0.3 undecidable manual S 3 16.0728 101 0.01 74
IV.SNTG.HHZ. 2022-09-30T17:56:34.05 0.3 undecidable manual P 357 31.8459 92 -0.32 68
IV.PF6.EHZ. 2022-09-30T17:56:33.63 0.1 undecidable manual P 45 26.6511 93 0.04 96
IV.FDMO.HHZ. 2022-09-30T17:56:33.79 0.3 undecidable manual S 54 12.7761 112 -0.18 72
IV.CSP1.EHZ. 2022-09-30T17:56:33.29 0.1 undecidable manual P 55 24.0537 93 0.1 96
IV.ASSB.HHZ. 2022-09-30T17:56:33.68 0.3 undecidable manual P 289 25.752 93 0.24 69
IV.CESI.HHZ. 2022-09-30T17:56:32.53 0.3 undecidable manual S 312 5.994 144 -0.03 75
IV.FEMA.HNZ. 2022-09-30T17:56:32.78 0.6 undecidable manual S 96 7.2927 137 0 50
IV.NRCA.HHZ. 2022-09-30T17:56:32.38 0.1 undecidable manual P 140 19.5693 95 -0.11 96
IV.MC2.EHZ. 2022-09-30T17:56:32.79 0.1 undecidable manual P 109 19.6692 95 0.29 93
IT.MTCL.HGZ. 2022-09-30T17:56:32.13 0.6 undecidable manual S 49 4.2957 154 -0.19 49
IV.MML1.EHZ. 2022-09-30T17:56:32.08 0.3 undecidable manual P 3 16.0728 101 0.12 72
IV.FDMO.HHZ. 2022-09-30T17:56:31.57 0.3 undecidable manual P 54 12.7761 112 0.1 73
IV.CESI.HHZ. 2022-09-30T17:56:30.79 0.1 undecidable manual P 312 5.994 144 0.14 98
IV.FEMA.HNZ. 2022-09-30T17:56:30.76 0.1 undecidable manual P 96 7.2927 137 -0.02 100
IT.MTCL.HGZ. 2022-09-30T17:56:30.56 0.1 undecidable manual P 49 4.2957 154 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.7 0.0000541 1.78 AML other m 2022-09-30T17:56:34.96
IV.FDMO.HHE. ML:0.8 0.00006345000000000001 0.48 AML other m 2022-09-30T17:56:34.39
IV.MML1.EHE. ML:1.0 0.00008269999999999999 0.16 AML other m 2022-09-30T17:56:35.14
IV.MML1.EHN. ML:0.8 0.000049999999999999996 1.34 AML other m 2022-09-30T17:56:35.28
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