Earthquake with magnitude of ML 0.7 on date 31-05-2023 and time 10:26:41 (UTC) in region 7 km SW Monte Cavallo (MC)

A magnitude ML 0.7 earthquake occured in region: 7 km SW Monte Cavallo (MC), on

  • 31-05-2023 10:26:41 (UTC)
  • 31-05-2023 12:26:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9580, 12.9360 at 8 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 7 145 145
Sellano PG 8 1079 1224
Preci PG 12 724 1948
Serravalle di Chienti MC 13 1070 3018
Visso MC 13 1107 4125
Pieve Torina MC 14 1458 5583
Fiordimonte MC 15 202 5785
Cerreto di Spoleto PG 15 1075 6860
Muccia MC 17 915 7775
Ussita MC 17 444 8219
Pievebovigliana MC 17 866 9085
Trevi PG 18 8469 17554
Valtopina PG 19 1398 18952
Foligno PG 19 57155 76107
Castelsantangelo sul Nera MC 19 281 76388
Campello sul Clitunno PG 20 2442 78830

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
50 Km NE of Terni (111501 inhabitants)
71 Km W of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
99 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
Reviewed
Rev100
ML 0.7 2023-05-31
10:26:41
42.9583 12.9357 8 2023-05-31
10:33:40
Sala Sismica INGV-Roma 117907151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-31 10:26:41 ± 0.1
Latitude 42.9583 ± 0.0036
Longitude 12.9357 ± 0.0086
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117907151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 666
Semi-minor axis of confidence ellipse (meter) 198
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.53959
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 117907151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-31 10:33:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-05-31T10:26:52.30 0.3 positive manual P 0 59.8956 50 0.14 71
IV.GAVE.HNE. 2023-05-31T10:26:51.86 0.3 undecidable manual S 187 29.748 106 -0.03 77
IV.CSP1.EHZ. 2023-05-31T10:26:50.52 0.6 undecidable manual S 56 26.3514 108 -0.25 49
IV.FDMO.HHZ. 2023-05-31T10:26:47.20 0.6 undecidable manual S 55 15.0738 119 0.05 52
IV.GAVE.HNE. 2023-05-31T10:26:47.20 0.1 undecidable manual P 187 29.748 106 -0.16 100
IV.MML1.EHZ. 2023-05-31T10:26:47.51 0.6 undecidable manual S 10 17.4714 116 -0.38 49
IV.CSP1.EHZ. 2023-05-31T10:26:46.60 0.6 positive manual P 56 26.3514 108 -0.11 51
IV.MML1.EHZ. 2023-05-31T10:26:45.00 0.6 positive manual P 10 17.4714 116 -0.05 52
IV.CESI.HHZ. 2023-05-31T10:26:44.67 0.6 undecidable manual S 334 5.7942 146 -0.02 54
IV.FDMO.HHZ. 2023-05-31T10:26:44.76 1.0 positive manual P 55 15.0738 119 0.14 26
IT.MTCL.HGZ. 2023-05-31T10:26:44.85 0.6 undecidable manual S 53 6.4935 142 0 54
IT.MTCL.HGZ. 2023-05-31T10:26:43.66 0.1 undecidable manual P 53 6.4935 142 0.37 100
IV.CESI.HHZ. 2023-05-31T10:26:43.26 0.6 undecidable manual P 334 5.7942 146 0.06 53
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.6 0.00007125000000000001 0.22 AML other m 2023-05-31T10:26:44.67
IV.CESI.HHN. ML:0.8 0.00010545 0.46 AML other m 2023-05-31T10:26:44.68
IV.FDMO.HHE. ML:0.6 0.000038849999999999996 0.28 AML other m 2023-05-31T10:26:47.43
IV.FDMO.HHN. ML:0.6 0.00003784999999999999 0.34 AML other m 2023-05-31T10:26:47.46
IV.MML1.EHN. ML:0.8 0.0000594 1.84 AML other m 2023-05-31T10:26:47.01
IV.MML1.EHE. ML:1.1 0.0001085 1.8 AML other m 2023-05-31T10:26:48.04
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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