Earthquake with magnitude of ML 1.1 on date 31-07-2019 and time 19:08:04 (Italy) in region 1 km E Visso (MC)

A magnitude ML 1.1 earthquake occured in region: 1 km E Visso (MC), on

  • 31-07-2019 17:08:04 (UTC)
  • 31-07-2019 19:08:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9300, 13.1050 at 12 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 3 444 1551
Castelsantangelo sul Nera MC 6 281 1832
Preci PG 8 724 2556
Monte Cavallo MC 11 145 2701
Fiordimonte MC 12 202 2903
Bolognola MC 12 142 3045
Acquacanina MC 13 121 3166
Fiastra MC 13 559 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 15 866 6049
Sellano PG 15 1079 7128
Norcia PG 15 4957 12085
Muccia MC 18 915 13000
Montemonaco AP 19 604 13604
Montefortino FM 19 1178 14782
Cerreto di Spoleto PG 20 1075 15857
Sarnano MC 20 3264 19121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
100 Km NE of Viterbo (67173 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 2019-07-31
17:08:04
42.9302 13.1048 12 2019-07-31
17:16:09
Sala Sismica INGV-Roma 71067041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-31 17:08:04 ± 0.06
Latitude 42.9302 ± 0.0036
Longitude 13.1048 ± 0.0086
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71067041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 715
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47754
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 71067041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-31 17:16:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-07-31T17:08:14.15 0.3 undecidable manual P 130 53.0025 91 0.04 69
IV.MML1.EHE. 2019-07-31T17:08:13.23 0.6 undecidable manual S 332 23.0547 95 0.11 49
IV.ASSB.HHZ. 2019-07-31T17:08:11.90 3.0 undecidable manual P 0.26 0
IV.FDMO.HHZ. 2019-07-31T17:08:10.09 0.3 undecidable manual S 353 11.877 118 -0.15 73
IV.MC2.EHZ. 2019-07-31T17:08:09.19 0.6 undecidable manual S 107 7.1928 139 -0.07 50
IV.NRCA.HHZ. 2019-07-31T17:08:09.62 0.6 undecidable manual S 176 10.7781 123 -0.36 47
IV.GUMA.HHZ. 2019-07-31T17:08:09.65 0.3 undecidable manual P 52 23.754 95 0.05 73
IV.MML1.EHE. 2019-07-31T17:08:09.60 0.3 undecidable manual P 332 23.0547 95 0.12 72
IT.MTCL.HGZ. 2019-07-31T17:08:09.94 0.3 undecidable manual S 310 11.0778 121 -0.12 73
IV.PF6.EHE. 2019-07-31T17:08:09.38 0.1 undecidable manual P 17 24.1536 95 -0.28 93
IV.FEMA.HNE. 2019-07-31T17:08:09.10 0.3 undecidable manual S 308 5.6943 147 0.07 75
IV.MNTT.EHZ. 2019-07-31T17:08:08.85 3.0 undecidable manual P 0
IV.MMO1.EHZ. 2019-07-31T17:08:08.66 3.0 negative manual P 1 0
IV.CESI.HHZ. 2019-07-31T17:08:08.91 0.3 positive manual P 297 18.2706 99 0.16 73
IV.FDMO.HHZ. 2019-07-31T17:08:07.84 0.3 undecidable manual P 353 11.877 118 0.02 75
IV.FEMA.HNE. 2019-07-31T17:08:07.28 0.1 undecidable manual P 308 5.6943 147 0.16 98
IV.MC2.EHZ. 2019-07-31T17:08:07.29 0.1 undecidable manual P 107 7.1928 139 0.04 100
IV.NRCA.HHZ. 2019-07-31T17:08:07.74 0.3 undecidable manual P 176 10.7781 123 0.07 74
IT.MTCL.HGZ. 2019-07-31T17:08:07.76 0.1 undecidable manual P 310 11.0778 121 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00016372400000000002 0.128 AML other m 2019-07-31T17:08:10.34
IV.NRCA.HHN. ML:1.2 0.00017262525 0.128 AML other m 2019-07-31T17:08:11.23
IV.NRCA.HNE. ML:1.1 0.00014542175000000003 0.1536 AML other m 2019-07-31T17:08:10.40
IV.NRCA.HNN. ML:1.2 0.00016210786999999998 0.128 AML other m 2019-07-31T17:08:09.73
IV.CESI.HHE. ML:0.9 0.00006579846 0.1152 AML other m 2019-07-31T17:08:12.14
IV.CESI.HHN. ML:0.9 0.00005961291000000001 0.1408 AML other m 2019-07-31T17:08:12.09
IV.GUMA.HNE. ML:1.3 0.00012932263999999998 0.4736 AML other m 2019-07-31T17:08:15.64
IV.GUMA.HHE. ML:1.0 0.00006734529 0.2816 AML other m 2019-07-31T17:08:17.02
IV.GUMA.HHN. ML:1.3 0.00012834815 0.2944 AML other m 2019-07-31T17:08:13.89
IV.ASSB.HHE. ML:0.8 0.000024309280000000003 0.128 AML other m 2019-07-31T17:08:19.31
IV.ASSB.HHN. ML:0.8 0.000025129295 0.1536 AML other m 2019-07-31T17:08:18.11
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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