Earthquake with magnitude of ML 1.0 on date 17-03-2023 and time 20:55:34 (Italy) in region 2 km E Monte Cavallo (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km E Monte Cavallo (MC), on

  • 17-03-2023 19:55:34 (UTC)
  • 17-03-2023 20:55:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9880, 13.0180 at 10 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
Monte Cavallo MC 2 145 145
Pieve Torina MC 7 1458 1603
Fiordimonte MC 8 202 1805
Visso MC 9 1107 2912
Pievebovigliana MC 10 866 3778
Serravalle di Chienti MC 11 1070 4848
Muccia MC 11 915 5763
Ussita MC 11 444 6207
Preci PG 12 724 6931
Fiastra MC 13 559 7490
Sellano PG 13 1079 8569
Acquacanina MC 14 121 8690
Castelsantangelo sul Nera MC 15 281 8971
Bolognola MC 17 142 9113
Camerino MC 17 6974 16087
Sefro MC 19 422 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 inhabitants)
98 Km NE of Viterbo (67173 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 1.0 2023-03-17
19:55:34
42.988 13.0185 10 2023-03-17
20:04:46
Sala Sismica INGV-Roma 115481261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-17 19:55:34 ± 0.05
Latitude 42.9880 ± 0.0036
Longitude 13.0185 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115481261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 365
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 178
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 115481261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-17 20:04:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZEN8.EHZ. 2023-03-17T19:57:09.04 3.0 undecidable manual Sg 9.35 0
IV.GRI.EHZ. 2023-03-17T19:56:38.10 3.0 negative manual Pn 2.78 0
IV.VARE.HHZ. 2023-03-17T19:56:38.40 3.0 negative manual Pn 4.52 0
IV.TDS.HHZ. 2023-03-17T19:56:26.93 3.0 undecidable manual Pn 1.49 0
SL.LJU.BHZ. 2023-03-17T19:56:23.02 3.0 undecidable manual Pn 1.74 0
IV.VAGA.HHZ. 2023-03-17T19:56:10.90 3.0 undecidable manual Sn -1.18 0
IV.SEI.HHZ. 2023-03-17T19:55:57.94 3.0 undecidable manual Pn -0.51 0
IV.SSFR.HHZ. 2023-03-17T19:55:52.31 3.0 undecidable manual S -3.48 0
IV.MF5.EHZ. 2023-03-17T19:55:47.39 3.0 undecidable manual S 0
IV.EL6.EHZ. 2023-03-17T19:55:47.27 0.1 undecidable manual S 10 38.4282 50 0.06 94
IV.GUMA.HHZ. 2023-03-17T19:55:44.36 0.1 undecidable manual S 72 26.9508 109 0.29 92
IV.RMP.HHZ. 2023-03-17T19:55:44.99 3.0 negative manual P 0.53 0
IV.ASSB.HHZ. 2023-03-17T19:55:44.85 0.1 undecidable manual S 282 29.8479 50 -0.05 97
IV.NRCA.HHZ. 2023-03-17T19:55:41.40 0.3 undecidable manual S 156 18.7701 117 -0.06 73
IV.EL6.EHZ. 2023-03-17T19:55:41.52 0.1 undecidable manual P 10 38.4282 50 -0.16 93
IV.CSP1.EHZ. 2023-03-17T19:55:41.42 0.1 undecidable manual S 53 18.9699 117 -0.09 96
IV.ASSB.HHZ. 2023-03-17T19:55:40.26 0.1 undecidable manual P 282 29.8479 50 -0.09 96
IV.GUMA.HHZ. 2023-03-17T19:55:39.92 0.1 undecidable manual P 72 26.9508 109 0.05 97
IV.MF5.EHZ. 2023-03-17T19:55:38.13 3.0 undecidable manual P -0.37 0
IV.CSP1.EHZ. 2023-03-17T19:55:38.27 0.6 positive manual P 53 18.9699 117 -0.12 48
IV.CESI.HHZ. 2023-03-17T19:55:38.84 0.1 undecidable manual S 281 9.3795 135 0.05 100
IV.NRCA.HHZ. 2023-03-17T19:55:38.37 0.3 undecidable manual P 156 18.7701 117 0 74
IV.CESI.HHZ. 2023-03-17T19:55:37.03 0.1 positive manual P 281 9.3795 135 0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.9 0.00010055 0.36 AML other m 2023-03-17T19:55:39.20
IV.CESI.HHN. ML:1.1 0.0001795 0.24 AML other m 2023-03-17T19:55:39.07
IV.CSP1.EHE. ML:0.9 0.0000637 0.96 AML other m 2023-03-17T19:55:41.40
IV.NRCA.HHE. ML:1.0 0.0000697 1.9 AML other m 2023-03-17T19:55:42.00
IV.NRCA.HHN. ML:0.7 0.000041800000000000006 0.58 AML other m 2023-03-17T19:55:43.85
IV.GUMA.HHE. ML:1.1 0.00007255 0.2 AML other m 2023-03-17T19:55:44.63
IV.GUMA.HHN. ML:1.2 0.00009224999999999999 0.28 AML other m 2023-03-17T19:55:44.74
IV.ASSB.HHE. ML:0.9 0.000034750000000000004 0.34 AML other m 2023-03-17T19:55:45.14
IV.ASSB.HHN. ML:1.0 0.000051699999999999996 0.16 AML other m 2023-03-17T19:55:45.24
IV.CSP1.EHN. ML:1.0 0.00007015 0.42 AML other m 2023-03-17T19:55:57.76
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