Earthquake with magnitude of ML 0.8 on date 07-05-2023 and time 20:22:09 (Italy) in region 6 km W Monte Cavallo (MC)

A magnitude ML 0.8 earthquake occured in region: 6 km W Monte Cavallo (MC), on

  • 07-05-2023 18:22:09 (UTC)
  • 07-05-2023 20:22:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9940, 12.9340 at 11 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 6 145 145
Serravalle di Chienti MC 9 1070 1215
Pieve Torina MC 11 1458 2673
Sellano PG 12 1079 3752
Muccia MC 13 915 4667
Fiordimonte MC 14 202 4869
Visso MC 14 1107 5976
Pievebovigliana MC 15 866 6842
Preci PG 15 724 7566
Valtopina PG 16 1398 8964
Sefro MC 17 422 9386
Nocera Umbra PG 18 5839 15225
Ussita MC 18 444 15669
Fiastra MC 19 559 16228
Foligno PG 19 57155 73383
Camerino MC 19 6974 80357
Cerreto di Spoleto PG 19 1075 81432
Trevi PG 20 8469 89901

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
95 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 0.8 2023-05-07
18:22:09
42.9943 12.9338 11 2023-05-07
18:39:02
Sala Sismica INGV-Roma 117127371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-07 18:22:09 ± 0.06
Latitude 42.9943 ± 0.0027
Longitude 12.9338 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117127371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 302
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.35613
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 117127371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-07 18:39:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2023-05-07T18:22:22.23 0.3 undecidable manual S 20 39.5271 50 0.14 71
IV.ATCC.EHZ. 2023-05-07T18:22:20.32 0.6 undecidable manual S 312 31.8459 50 0.29 47
IV.CSP1.EHZ. 2023-05-07T18:22:18.13 0.6 undecidable manual S 64 24.4533 50 0.07 49
IV.SNTG.HHZ. 2023-05-07T18:22:18.88 0.6 undecidable manual S 1 28.9488 50 -0.36 46
IV.ASSB.HHZ. 2023-05-07T18:22:17.57 0.6 undecidable manual S 284 22.9548 50 -0.09 49
IV.NRCA.HHZ. 2023-05-07T18:22:17.59 0.6 undecidable manual S 141 23.0547 50 -0.1 49
IV.EL6.EHZ. 2023-05-07T18:22:16.43 1.0 undecidable manual P 20 39.5271 50 -0.15 24
IV.ATCC.EHZ. 2023-05-07T18:22:15.41 0.3 negative manual P 312 31.8459 50 0.01 74
IV.MML1.EHZ. 2023-05-07T18:22:15.07 0.6 undecidable manual S 13 13.5753 129 -0.06 50
IV.FDMO.HHZ. 2023-05-07T18:22:15.02 0.6 undecidable manual S 69 13.2756 130 -0.04 51
IV.NRCA.HHZ. 2023-05-07T18:22:14.06 0.1 negative manual P 141 23.0547 50 0.02 100
IV.CSP1.EHZ. 2023-05-07T18:22:14.28 1.0 undecidable manual P 64 24.4533 50 0.02 25
IV.SNTG.HHZ. 2023-05-07T18:22:14.82 1.0 undecidable manual P 1 28.9488 50 -0.12 24
IV.ASSB.HHZ. 2023-05-07T18:22:13.99 0.3 negative manual P 284 22.9548 50 -0.03 75
IV.MML1.EHZ. 2023-05-07T18:22:12.58 1.0 undecidable manual P 13 13.5753 129 0.01 25
IV.FDMO.HHZ. 2023-05-07T18:22:12.66 0.6 undecidable manual P 69 13.2756 130 0.13 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.9 0.00008269999999999999 0.24 AML other m 2023-05-07T18:22:15.26
IV.FDMO.HHE. ML:1.0 0.0001031 0.44 AML other m 2023-05-07T18:22:15.23
IV.MML1.EHE. ML:0.7 0.0000482 0.24 AML other m 2023-05-07T18:22:15.46
IV.MML1.EHN. ML:0.4 0.0000264 0.86 AML other m 2023-05-07T18:22:15.47
IV.ASSB.HHE. ML:0.8 0.0000451 0.08 AML other m 2023-05-07T18:22:17.75
IV.ASSB.HHN. ML:0.9 0.00005035 1.56 AML other m 2023-05-07T18:22:17.08
IV.NRCA.HHE. ML:1.1 0.00007575 0.12 AML other m 2023-05-07T18:22:17.87
IV.NRCA.HHN. ML:0.9 0.000046700000000000003 0.84 AML other m 2023-05-07T18:22:18.78
IV.SNTG.HHN. ML:0.5 0.0000149 0.1 AML other m 2023-05-07T18:22:19.23
IV.SNTG.HHE. ML:0.5 0.000012699999999999999 0.34 AML other m 2023-05-07T18:22:19.54
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