Earthquake with magnitude of ML 0.8 on date 23-07-2022 and time 06:16:56 (UTC) in region 4 km S Visso (MC)

A magnitude ML 0.8 earthquake occured in region: 4 km S Visso (MC), on

  • 23-07-2022 06:16:56 (UTC)
  • 23-07-2022 08:16:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8950, 13.0860 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
Preci PG 4 724 724
Visso MC 4 1107 1831
Castelsantangelo sul Nera MC 6 281 2112
Ussita MC 7 444 2556
Norcia PG 11 4957 7513
Sellano PG 13 1079 8592
Monte Cavallo MC 13 145 8737
Fiordimonte MC 16 202 8939
Bolognola MC 16 142 9081
Cerreto di Spoleto PG 16 1075 10156
Acquacanina MC 17 121 10277
Fiastra MC 17 559 10836
Pieve Torina MC 17 1458 12294
Pievebovigliana MC 19 866 13160
Montemonaco AP 20 604 13764

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
97 Km W of Montesilvano (53738 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 2022-07-23
06:16:56
42.8953 13.0858 11 2022-07-23
06:45:11
Sala Sismica INGV-Roma 107587711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-23 06:16:56 ± 0.06
Latitude 42.8953 ± 0.0036
Longitude 13.0858 ± 0.0037
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107587711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 77
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.34534
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 107587711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-23 06:45:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2022-07-23T06:17:09.34 0.6 undecidable manual S 295 38.3283 91 0.07 47
IV.CSP1.EHZ. 2022-07-23T06:17:05.48 0.1 undecidable manual S 24 23.8539 91 0.08 96
IV.MMO1.EHZ. 2022-07-23T06:17:04.16 0.1 undecidable manual S 89 19.5693 92 -0.11 97
IV.CESI.HHZ. 2022-07-23T06:17:04.01 0.3 undecidable manual S 310 19.0698 93 -0.13 72
IV.FDMO.HHZ. 2022-07-23T06:17:03.03 0.1 undecidable manual S 0 15.6732 96 -0.19 96
7F.SIB1.EHZ. 2022-07-23T06:17:03.16 0.3 undecidable manual S 90 14.9739 98 0.12 73
7F.SIB2.EHN. 2022-07-23T06:17:03.53 0.3 undecidable manual S 91 17.7711 93 -0.24 71
IV.ASSB.HHZ. 2022-07-23T06:17:03.94 0.6 undecidable manual P 295 38.3283 91 0.03 48
IT.MTCL.HGN. 2022-07-23T06:17:02.21 0.3 undecidable manual S 327 12.9759 107 -0.31 70
7F.SIB3.EHN. 2022-07-23T06:17:02.84 0.1 undecidable manual S 98 15.1737 97 -0.25 95
IV.NRCA.HHZ. 2022-07-23T06:17:01.10 0.1 undecidable manual S 161 7.1928 136 -0.13 97
IV.MMO1.EHZ. 2022-07-23T06:17:01.01 0.1 undecidable manual P 89 19.5693 92 -0.01 99
IV.MC2.EHZ. 2022-07-23T06:17:01.70 0.1 undecidable manual S 78 8.5803 129 0.21 97
IV.CSP1.EHZ. 2022-07-23T06:17:01.67 0.1 undecidable manual P 24 23.8539 91 -0.01 98
IV.FEMA.HNN. 2022-07-23T06:17:01.41 0.3 undecidable manual S 338 7.9809 132 0.05 75
7F.SIB2.EHN. 2022-07-23T06:17:00.69 0.1 undecidable manual P 91 17.7711 93 -0.05 98
IV.CESI.HHZ. 2022-07-23T06:17:00.97 0.1 positive manual P 310 19.0698 93 0.03 99
IT.MTCL.HGN. 2022-07-23T06:17:00.13 0.1 undecidable manual P 327 12.9759 107 0.12 98
IV.FDMO.HHZ. 2022-07-23T06:17:00.68 0.1 undecidable manual P 0 15.6732 96 0.26 94
7F.SIB3.EHN. 2022-07-23T06:17:00.36 0.1 undecidable manual P 98 15.1737 97 0.02 99
7F.SIB1.EHZ. 2022-07-23T06:17:00.51 0.1 undecidable manual P 90 14.9739 98 0.2 95
IV.FEMA.HNN. 2022-07-23T06:16:59.42 0.1 undecidable manual P 338 7.9809 132 0.08 100
IV.NRCA.HHZ. 2022-07-23T06:16:59.35 0.1 undecidable manual P 161 7.1928 136 0.09 100
IV.MC2.EHZ. 2022-07-23T06:16:59.51 0.1 undecidable manual P 78 8.5803 129 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.8 0.00005 0.12 AML other m 2022-07-23T06:17:04.36
IV.MMO1.EHE. ML:0.9 0.0000555 0.24 AML other m 2022-07-23T06:17:04.73
IV.CESI.HHE. ML:0.6 0.00003105 0.56 AML other m 2022-07-23T06:17:04.69
IV.MMO1.EHN. ML:0.7 0.0000393 0.12 AML other m 2022-07-23T06:17:04.69
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