Earthquake with magnitude of ML 0.4 on date 18-08-2019 and time 14:20:27 (UTC) in region 8 km W Monte Cavallo (MC)

A magnitude ML 0.4 earthquake occured in region: 8 km W Monte Cavallo (MC), on

  • 18-08-2019 14:20:27 (UTC)
  • 18-08-2019 16:20:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.98, 12.91 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 8 145 145
Sellano PG 10 1079 1224
Serravalle di Chienti MC 11 1070 2294
Pieve Torina MC 14 1458 3752
Preci PG 15 724 4476
Visso MC 16 1107 5583
Valtopina PG 16 1398 6981
Muccia MC 16 915 7896
Fiordimonte MC 16 202 8098
Foligno PG 17 57155 65253
Trevi PG 17 8469 73722
Pievebovigliana MC 17 866 74588
Cerreto di Spoleto PG 18 1075 75663
Nocera Umbra PG 18 5839 81502
Ussita MC 19 444 81946
Sefro MC 19 422 82368
Spello PG 19 8645 91013

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
51 Km NE of Terni (111501 inhabitants)
74 Km W of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
97 Km S of Fano (60888 inhabitants)
99 Km SE of Arezzo (99543 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.4 2019-08-18
14:20:27
42.98 12.91 11 2019-08-18
14:30:12
Sala Sismica INGV-Roma 71606851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-18 14:20:27 ± 0.07
Latitude 42.98 ± 0.00
Longitude 12.91 ± 0.00
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 71606851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 428
Semi-minor axis of confidence ellipse (meter) 293
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 430
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 71606851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-18 14:30:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
CH.MUGIO.HHZ. 2019-08-18T14:22:20.07 3.0 undecidable manual Sn -0.45 0
IV.PZUN.HHZ. 2019-08-18T14:22:00.77 3.0 undecidable manual Sn 0.65 0
IV.IACL.HHZ. 2019-08-18T14:21:53.05 3.0 positive manual Pg 13.67 0
IV.MCRV.HHZ. 2019-08-18T14:21:50.44 3.0 undecidable manual Sn 0.34 0
GU.TRAV.HHZ. 2019-08-18T14:21:46.91 3.0 undecidable manual Pg 9.12 0
IV.MFNL.HHZ. 2019-08-18T14:21:42.19 3.0 negative manual Pn -5.63 0
IV.PAOL.HHZ. 2019-08-18T14:21:39.35 3.0 undecidable manual Sg 0.45 0
MN.TIP.HHZ. 2019-08-18T14:21:38.14 3.0 negative manual Pn -3.88 0
IX.MNT3.HHZ.02 2019-08-18T14:21:16.46 3.0 undecidable manual Pg 3.68 0
IV.LMD.HHZ. 2019-08-18T14:21:11.43 3.0 undecidable manual S -4.6 0
IV.SFI.EHZ. 2019-08-18T14:21:08.87 3.0 undecidable manual S -2.37 0
IV.RMP.HHZ. 2019-08-18T14:21:06.33 3.0 undecidable manual S -5.55 0
IV.SNTG.HHZ. 2019-08-18T14:20:38.20 0.3 undecidable manual S 5 0.2788 50 -0.06 71
IV.PF6.EHZ. 2019-08-18T14:20:37.82 0.3 undecidable manual S 52 0.2626 50 0.03 71
IV.CSP1.EHZ. 2019-08-18T14:20:37.44 0.3 undecidable manual S 62 0.2437 50 0.2 69
IV.NRCA.HHZ. 2019-08-18T14:20:36.00 0.3 undecidable manual S 134 0.2077 50 -0.15 70
IV.MC2.EHZ. 2019-08-18T14:20:36.70 0.6 undecidable manual S 108 0.214 50 0.34 45
IV.FDMO.HHZ. 2019-08-18T14:20:34.04 0.1 undecidable manual S 65 0.1421 125 -0.15 95
IV.MML1.HNZ. 2019-08-18T14:20:34.13 0.3 undecidable manual S 18 0.1439 124 -0.09 72
IV.CSP1.EHZ. 2019-08-18T14:20:33.12 0.3 undecidable manual P 62 0.2437 50 -0.01 72
IV.SNTG.HHZ. 2019-08-18T14:20:33.72 0.1 undecidable manual P 5 0.2788 50 0 95
IV.PF6.EHZ. 2019-08-18T14:20:33.36 0.3 undecidable manual P 52 0.2626 50 -0.09 71
IV.NRCA.HHZ. 2019-08-18T14:20:32.45 0.3 undecidable manual P 134 0.2077 50 -0.05 72
IV.MC2.EHZ. 2019-08-18T14:20:32.36 0.6 undecidable manual P 108 0.214 50 -0.26 46
IT.MTCL.HGZ. 2019-08-18T14:20:32.16 0.3 undecidable manual S 76 0.0674 146 0.05 74
IV.FDMO.HHZ. 2019-08-18T14:20:31.34 0.3 undecidable manual P 65 0.1421 125 -0.03 73
IV.MML1.HNZ. 2019-08-18T14:20:31.42 0.3 undecidable manual P 18 0.1439 124 0.04 73
IV.CESI.HHZ. 2019-08-18T14:20:31.45 0.1 undecidable manual S 352 0.0279 164 -0.01 100
IT.MTCL.HGZ. 2019-08-18T14:20:30.40 0.6 undecidable manual P 76 0.0674 146 0.23 47
IV.CESI.HHZ. 2019-08-18T14:20:29.95 0.3 undecidable manual P 352 0.0279 164 0.16 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.0001075 0.16 AML other m 2019-08-18T14:20:36.13
IV.FDMO.HHE. ML:0.5 3.14105E-5 0.1024 AML other m 2019-08-18T14:20:34.33
IV.FDMO.HHN. ML:0.4 2.014669E-5 0.1152 AML other m 2019-08-18T14:20:34.77
IV.NRCA.HHE. ML:0.9 5.087553E-5 0.16 AML other m 2019-08-18T14:20:36.91
IV.NRCA.HNN. ML:1.2 9.763191E-5 0.1536 AML other m 2019-08-18T14:20:36.13
IV.CSP1.EHE. ML:0.4 1.5152014E-5 0.1152 AML other m 2019-08-18T14:20:37.72
IV.CSP1.EHN. ML:0.3 1.14199765E-5 0.16 AML other m 2019-08-18T14:20:37.64
IV.SNTG.HHE. ML:0.3 9.9300235E-6 0.0768 AML other m 2019-08-18T14:20:38.86
IV.SNTG.HHN. ML:0.5 1.4489068E-5 0.0576 AML other m 2019-08-18T14:20:39.07
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download