Earthquake with magnitude of ML 0.6 on date 03-02-2023 and time 03:31:34 (Italy) in region 3 km S Monte Cavallo (MC)

A magnitude ML 0.6 earthquake occured in region: 3 km S Monte Cavallo (MC), on

  • 03-02-2023 02:31:34 (UTC)
  • 03-02-2023 03:31:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9720, 12.9960 at 9 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.

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 3 145 145
Visso MC 9 1107 1252
Pieve Torina MC 9 1458 2710
Fiordimonte MC 11 202 2912
Sellano PG 11 1079 3991
Preci PG 11 724 4715
Serravalle di Chienti MC 12 1070 5785
Ussita MC 12 444 6229
Pievebovigliana MC 13 866 7095
Muccia MC 13 915 8010
Fiastra MC 15 559 8569
Castelsantangelo sul Nera MC 16 281 8850
Acquacanina MC 16 121 8971
Cerreto di Spoleto PG 18 1075 10046
Bolognola MC 19 142 10188
Camerino MC 19 6974 17162
Sefro MC 20 422 17584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
97 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 0.6 2023-02-03
02:31:34
42.9723 12.9957 9 2024-03-01
17:17:56
Bollettino Sismico Italiano INGV 114625411
Reviewed
Rev100
ML 0.8 2023-02-03
02:31:34
42.972 12.9973 8 2023-02-03
02:44:01
Sala Sismica INGV-Roma 114004511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 02:31:34 ± 0.1
Latitude 42.9723 ± 0.0018
Longitude 12.9957 ± 0.0037
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114625411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 255
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19425
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 114625411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-20 14:46:27

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 114004511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 02:44:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRSN.HNZ. 2023-02-03T02:32:10.32 3.0 undecidable manual Sg 0 0
IV.SEI.HHZ. 2023-02-03T02:31:44.73 3.0 negative manual P 0.01 0
IV.CSP1.EHZ. 2023-02-03T02:31:42.84 0.1 undecidable manual S 52 21.5673 114 0.06 97
IV.NRCA.HHZ. 2023-02-03T02:31:41.67 0.1 undecidable manual S 148 18.1707 117 -0.06 97
IV.MML1.EHZ. 2023-02-03T02:31:40.82 0.3 undecidable manual S 353 15.7731 121 -0.19 71
IV.FDMO.HHZ. 2023-02-03T02:31:39.38 0.3 undecidable manual S 46 10.2786 132 -0.09 74
IV.CSP1.EHZ. 2023-02-03T02:31:39.38 0.1 undecidable manual P 52 21.5673 114 0.04 97
IV.CESI.HHZ. 2023-02-03T02:31:38.98 0.1 undecidable manual S 296 8.1807 139 0.01 100
IV.NRCA.HHZ. 2023-02-03T02:31:38.65 0.1 undecidable manual P 148 18.1707 117 -0.08 97
IV.MML1.EHZ. 2023-02-03T02:31:38.19 0.3 undecidable manual P 353 15.7731 121 -0.12 72
IV.CESI.HHZ. 2023-02-03T02:31:37.21 0.1 undecidable manual P 296 8.1807 139 0.07 99
IT.MTCL.HGZ. 2023-02-03T02:31:37.99 0.3 undecidable manual S 7 2.3976 166 -0.01 76
IV.FDMO.HHZ. 2023-02-03T02:31:37.56 0.1 undecidable manual P 46 10.2786 132 0.13 97
IT.MTCL.HGZ. 2023-02-03T02:31:36.69 0.1 undecidable manual P 7 2.3976 166 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.7 0.0000741 0.16 AML other m 2023-02-03T02:31:39.25
IV.CESI.HHE. ML:0.5 0.00004495 0.18 AML other m 2023-02-03T02:31:39.18
IV.MML1.EHE. ML:0.6 0.00003435 0.12 AML other m 2023-02-03T02:31:41.18
IV.NRCA.HHN. ML:0.7 0.000042999999999999995 0.1 AML other m 2023-02-03T02:31:41.87
IV.MML1.EHN. ML:0.4 0.000027450000000000003 1.02 AML other m 2023-02-03T02:31:42.10
IV.NRCA.HHE. ML:0.6 0.0000288 1.32 AML other m 2023-02-03T02:31:42.20
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