Earthquake with magnitude of ML 1.4 on date 18-08-2022 and time 18:04:51 (Italy) in region 1 km W Visso (MC)

A magnitude ML 1.4 earthquake occured in region: 1 km W Visso (MC), on

  • 18-08-2022 16:04:51 (UTC)
  • 18-08-2022 18:04:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9290, 13.0750 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
Visso MC 1 1107 1107
Ussita MC 6 444 1551
Preci PG 6 724 2275
Castelsantangelo sul Nera MC 7 281 2556
Monte Cavallo MC 9 145 2701
Fiordimonte MC 12 202 2903
Sellano PG 13 1079 3982
Pieve Torina MC 13 1458 5440
Fiastra MC 14 559 5999
Acquacanina MC 14 121 6120
Bolognola MC 14 142 6262
Pievebovigliana MC 15 866 7128
Norcia PG 15 4957 12085
Muccia MC 17 915 13000
Cerreto di Spoleto PG 18 1075 14075
Serravalle di Chienti MC 19 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
99 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 1.4 2022-08-18
16:04:51
42.9288 13.0753 11 2022-08-18
16:09:45
Sala Sismica INGV-Roma 108687121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-18 16:04:51 ± 0.1
Latitude 42.9288 ± 0.0036
Longitude 13.0753 ± 0.0049
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 108687121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 0.46315
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 108687121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-18 16:09:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2022-08-18T16:05:00.00 0.1 undecidable manual S 338 22.1556 115 -0.25 93
IV.EL6.EHZ. 2022-08-18T16:05:00.08 1.0 undecidable manual P 3 44.5221 50 -0.04 23
IV.CAMP.HHZ. 2022-08-18T16:05:00.30 1.0 positive manual P 148 51.4152 50 -0.88 18
IV.CSP1.EHZ. 2022-08-18T16:04:59.69 0.1 undecidable manual S 30 20.9679 117 -0.18 95
IV.CESI.HHZ. 2022-08-18T16:04:58.57 0.1 undecidable manual S 301 16.2726 123 0.12 97
IV.FDMO.HHZ. 2022-08-18T16:04:57.23 0.1 undecidable manual S 5 11.9769 131 -0.04 99
IV.GUMA.HHZ. 2022-08-18T16:04:57.42 0.1 positive manual P 55 25.752 50 0.19 94
IV.MC2.EHZ. 2022-08-18T16:04:56.87 0.1 undecidable manual S 102 9.3795 138 0.23 95
IV.CSP1.EHZ. 2022-08-18T16:04:56.37 0.1 undecidable manual P 30 20.9679 117 -0.07 97
IV.MML1.EHZ. 2022-08-18T16:04:56.57 0.6 undecidable manual P 338 22.1556 115 -0.09 48
IV.NRCA.HHZ. 2022-08-18T16:04:56.76 0.1 undecidable manual S 163 10.9779 133 -0.26 95
IT.MTCL.HGZ. 2022-08-18T16:04:56.66 0.1 undecidable manual S 320 9.4794 138 0.01 100
IV.FDMO.HHZ. 2022-08-18T16:04:55.05 0.1 negative manual P 5 11.9769 131 0.11 98
IV.CESI.HHZ. 2022-08-18T16:04:55.76 0.1 undecidable manual P 301 16.2726 123 0.14 96
IT.MTCL.HGZ. 2022-08-18T16:04:54.69 0.1 undecidable manual P 320 9.4794 138 0.11 98
IV.MC2.EHZ. 2022-08-18T16:04:54.77 0.3 negative manual P 102 9.3795 138 0.19 72
IV.NRCA.HHZ. 2022-08-18T16:04:54.77 0.1 undecidable manual P 163 10.9779 133 -0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.3 0.000243 0.16 AML other m 2022-08-18T16:04:56.93
IV.NRCA.HHE. ML:1.5 0.000399 0.1 AML other m 2022-08-18T16:04:56.93
IT.MTCL.HGN. ML:3.2 0.02125 1.1 AML other m 2022-08-18T16:04:57.27
IV.FDMO.HHE. ML:1.3 0.000228 0.14 AML other m 2022-08-18T16:04:57.41
IV.FDMO.HHN. ML:1.0 0.00011899999999999999 0.1 AML other m 2022-08-18T16:04:57.62
IV.CESI.HHN. ML:1.4 0.000252 0.1 AML other m 2022-08-18T16:04:58.78
IV.CESI.HHE. ML:1.2 0.0001258 0.22 AML other m 2022-08-18T16:04:58.90
IV.CSP1.EHN. ML:1.6 0.00028700000000000004 1.48 AML other m 2022-08-18T16:05:00.06
IV.CSP1.EHE. ML:1.5 0.00023999999999999998 0.46 AML other m 2022-08-18T16:05:00.49
IT.MTCL.HGE. ML:3.5 0.040350000000000004 0.02 AML other m 2022-08-18T16:05:04.08
IV.ASSB.HHE. ML:1.3 0.00006845 0.26 AML other m 2022-08-18T16:05:12.86
IV.ASSB.HHN. ML:1.1 0.00004655 0.98 AML other m 2022-08-18T16:05:12.98
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