Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 22-10-2019 and time 02:42:40 (Italy) in region 4 km NW Ussita (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km NW Ussita (MC), on

  • 22-10-2019 00:42:40 (UTC)
  • 22-10-2019 02:42:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9720, 13.1100 at 9 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ussita MC 4 444 444
Visso MC 5 1107 1551
Fiordimonte MC 8 202 1753
Fiastra MC 8 559 2312
Acquacanina MC 8 121 2433
Castelsantangelo sul Nera MC 9 281 2714
Monte Cavallo MC 9 145 2859
Pieve Torina MC 10 1458 4317
Bolognola MC 10 142 4459
Pievebovigliana MC 10 866 5325
Preci PG 12 724 6049
Muccia MC 13 915 6964
Serravalle di Chienti MC 17 1070 8034
Sarnano MC 17 3264 11298
Sellano PG 17 1079 12377
Camerino MC 19 6974 19351
Montefortino FM 19 1178 20529
Montemonaco AP 19 604 21133
Cessapalombo MC 20 512 21645
Norcia PG 20 4957 26602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
59 Km NE of Terni (111501 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
99 Km NW 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 1.1 2019-10-22
00:42:40		 42.972 13.1103 9 2019-10-22
00:48:22		 Sala Sismica INGV-Roma 73383081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-22 00:42:40 ± 0.05
Latitude 42.9720 ± 0.0027
Longitude 13.1103 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73383081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
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) 78
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.53959
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 73383081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-22 00:48:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-10-22T00:42:59.87 0.6 undecidable manual S 347 59.8956 50 0.81 37
IV.TERO.HHZ. 2019-10-22T00:42:57.97 0.6 undecidable manual S 134 55.7997 50 0.01 46
IV.SMA1.EHZ. 2019-10-22T00:42:54.13 0.6 undecidable manual S 154 42.1245 50 -0.16 46
IV.EL6.EHZ. 2019-10-22T00:42:53.60 0.6 undecidable manual S 359 39.627 50 -0.04 48
IV.ASSB.HHZ. 2019-10-22T00:42:53.12 0.6 undecidable manual S 282 37.4292 50 0.06 48
IV.MF5.EHZ. 2019-10-22T00:42:51.10 0.6 undecidable manual S 86 28.4493 107 0.64 42
IV.ARVD.HHZ. 2019-10-22T00:42:50.98 0.3 undecidable manual P 347 59.8956 50 -0.08 68
IV.TERO.HHZ. 2019-10-22T00:42:50.26 0.3 undecidable manual P 134 55.7997 50 -0.16 68
IV.MNTT.EHZ. 2019-10-22T00:42:48.73 0.3 undecidable manual P 76 40.626 50 0.65 61
IV.GUMA.HHZ. 2019-10-22T00:42:48.42 0.3 undecidable manual S 61 20.868 113 0.43 68
IV.ASSB.HHZ. 2019-10-22T00:42:47.41 0.1 undecidable manual P 282 37.4292 50 -0.18 93
IV.SMA1.EHZ. 2019-10-22T00:42:47.92 0.3 undecidable manual P 154 42.1245 50 -0.38 66
IV.MML1.HNE. 2019-10-22T00:42:47.51 0.6 undecidable manual S 324 19.2696 115 0 50
IV.PF6.EHE. 2019-10-22T00:42:47.34 0.6 undecidable manual S 20 19.6692 114 -0.26 47
IV.MMO1.EHZ. 2019-10-22T00:42:47.27 0.3 undecidable manual S 115 19.3695 115 -0.25 71
IV.CESI.HHZ. 2019-10-22T00:42:47.17 0.3 undecidable manual S 282 17.0718 118 0.36 69
IV.EL6.EHZ. 2019-10-22T00:42:47.53 0.1 undecidable manual P 359 39.627 50 -0.4 88
IV.CSP1.EHZ. 2019-10-22T00:42:46.13 0.6 undecidable manual S 30 15.3735 120 -0.16 48
IV.NRCA.HHZ. 2019-10-22T00:42:46.66 0.6 undecidable manual S 179 15.3735 120 0.37 46
IV.MF5.EHZ. 2019-10-22T00:42:46.19 0.1 undecidable manual P 86 28.4493 107 0.1 96
IV.CESI.HHZ. 2019-10-22T00:42:44.25 0.3 undecidable manual P 282 17.0718 118 0.26 71
IV.GUMA.HHZ. 2019-10-22T00:42:44.84 0.1 positive manual P 61 20.868 113 0.17 96
IT.MTCL.HGN. 2019-10-22T00:42:44.50 0.6 undecidable manual S 285 9.2796 134 -0.1 49
IV.MML1.HNE. 2019-10-22T00:42:44.47 0.1 undecidable manual P 324 19.2696 115 0.08 98
IV.PF6.EHE. 2019-10-22T00:42:44.24 0.1 undecidable manual P 20 19.6692 114 -0.2 95
IV.MMO1.EHZ. 2019-10-22T00:42:44.23 0.1 positive manual P 115 19.3695 115 -0.16 96
IV.MC2.EHZ. 2019-10-22T00:42:44.47 0.6 undecidable manual S 136 9.2796 134 -0.12 49
IV.CSP1.EHZ. 2019-10-22T00:42:43.57 0.1 undecidable manual P 30 15.3735 120 -0.11 98
IV.NRCA.HHZ. 2019-10-22T00:42:43.71 0.1 negative manual P 179 15.3735 120 0.03 100
IV.FDMO.HHZ. 2019-10-22T00:42:43.75 0.3 undecidable manual S 345 7.3815 140 -0.4 70
IV.FEMA.HNN. 2019-10-22T00:42:43.67 0.6 undecidable manual S 257 4.995 151 -0.01 51
IV.FDMO.HHZ. 2019-10-22T00:42:42.32 0.1 negative manual P 345 7.3815 140 -0.13 99
IV.FEMA.HNN. 2019-10-22T00:42:42.28 0.1 undecidable manual P 257 4.995 151 0.1 100
IV.MC2.EHZ. 2019-10-22T00:42:42.65 0.1 undecidable manual P 136 9.2796 134 -0.05 100
IT.MTCL.HGN. 2019-10-22T00:42:42.78 0.1 undecidable manual P 285 9.2796 134 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.5 0.0004645 0.18 AML other m 2019-10-22T00:42:43.92
IV.FDMO.HHE. ML:1.4 0.00044950000000000003 0.2 AML other m 2019-10-22T00:42:43.84
IV.NRCA.HHE. ML:1.2 0.00014500000000000003 0.08 AML other m 2019-10-22T00:42:47.28
IV.CESI.HHE. ML:1.0 0.00008525 0.36 AML other m 2019-10-22T00:42:47.45
IV.CESI.HHN. ML:1.1 0.00011949999999999999 0.18 AML other m 2019-10-22T00:42:47.44
IV.NRCA.HHN. ML:1.0 0.0001085 0.82 AML other m 2019-10-22T00:42:47.35
IV.GUMA.HHE. ML:1.8 0.0004429999999999999 0.32 AML other m 2019-10-22T00:42:48.57
IV.GUMA.HHN. ML:1.8 0.000409 0.14 AML other m 2019-10-22T00:42:48.64
IV.ASSB.HHN. ML:0.8 0.00002495 0.66 AML other m 2019-10-22T00:42:53.12
IV.ASSB.HHE. ML:0.8 0.00002275 1.3 AML other m 2019-10-22T00:42:56.15
IV.SMA1.EHE. ML:1.0 0.000030550000000000004 0.42 AML other m 2019-10-22T00:42:58.37
IV.SMA1.EHN. ML:0.8 0.000022449999999999997 0.78 AML other m 2019-10-22T00:42:58.22
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