Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 12-08-2019 and time 01:14:30 (Italy) in region 4 km N Ussita (MC)

A magnitude ML 0.6 earthquake occured in region: 4 km N Ussita (MC), on

  • 11-08-2019 23:14:30 (UTC)
  • 12-08-2019 01:14:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9840, 13.1410 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.

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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
Acquacanina MC 6 121 565
Fiastra MC 6 559 1124
Bolognola MC 7 142 1266
Visso MC 7 1107 2373
Fiordimonte MC 7 202 2575
Pievebovigliana MC 10 866 3441
Castelsantangelo sul Nera MC 10 281 3722
Pieve Torina MC 10 1458 5180
Monte Cavallo MC 11 145 5325
Muccia MC 14 915 6240
Preci PG 14 724 6964
Sarnano MC 14 3264 10228
Montefortino FM 17 1178 11406
Cessapalombo MC 17 512 11918
Amandola FM 18 3629 15547
Montemonaco AP 18 604 16151
Camerino MC 18 6974 23125
Serravalle di Chienti MC 18 1070 24195
Gualdo MC 19 815 25010
Caldarola MC 19 1823 26833
Camporotondo di Fiastrone MC 19 563 27396

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
62 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
73 Km N of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 inhabitants)
98 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 0.6 2019-08-11
23:14:30		 42.9837 13.1412 10 2019-08-11
23:23:12		 Sala Sismica INGV-Roma 71397831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-11 23:14:30 ± 0.13
Latitude 42.9837 ± 0.0063
Longitude 13.1412 ± 0.0098
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71397831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 922
Semi-minor axis of confidence ellipse (meter) 363
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23292
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.5
Num. used stations 6
Type of magnitude ML
Reference to an origin 71397831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-11 23:23:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.COR1.EHZ. 2019-08-11T23:14:51.27 3.0 undecidable manual S -0.02 0
IV.MF5.EHZ. 2019-08-11T23:14:39.92 0.6 undecidable manual S 89 25.8519 50 0.22 48
IV.MML1.EHE. 2019-08-11T23:14:37.83 0.6 undecidable manual S 316 19.869 118 -0.14 50
IV.NRCA.HHZ. 2019-08-11T23:14:36.85 0.6 undecidable manual S 187 16.7721 122 -0.19 50
IV.MMO1.EHZ. 2019-08-11T23:14:36.94 0.3 undecidable manual S 122 17.7711 120 -0.38 71
IV.MC2.EHZ. 2019-08-11T23:14:35.39 0.6 undecidable manual S 154 8.88 139 0.46 47
IV.MF5.EHZ. 2019-08-11T23:14:35.70 1.0 undecidable manual P 89 25.8519 50 0.02 25
IV.NRCA.HHZ. 2019-08-11T23:14:34.12 0.3 undecidable manual P 187 16.7721 122 -0.03 77
IV.MMO1.EHZ. 2019-08-11T23:14:34.13 0.6 negative manual P 122 17.7711 120 -0.17 50
IV.MML1.EHE. 2019-08-11T23:14:34.56 0.1 undecidable manual P 316 19.869 118 -0.12 100
IV.FDMO.HHZ. 2019-08-11T23:14:34.79 0.6 undecidable manual S 323 7.2927 145 0.2 50
IV.MC2.EHZ. 2019-08-11T23:14:33.22 0.3 positive manual P 154 8.88 139 0.29 74
IV.CSP1.EHZ. 2019-08-11T23:14:33.46 3.0 negative manual P 0.1 0
IV.FDMO.HHZ. 2019-08-11T23:14:32.82 1.0 undecidable manual P 323 7.2927 145 0.09 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.4 0.00004195 1.74 AML other m 2019-08-11T23:14:34.03
IV.FDMO.HHE. ML:0.0 0.00001445 1.56 AML other m 2019-08-11T23:14:35.83
IV.NRCA.HHN. ML:0.5 0.00003105 0.72 AML other m 2019-08-11T23:14:37.72
IV.NRCA.HHE. ML:0.5 0.000028650000000000002 1.26 AML other m 2019-08-11T23:14:37.17
IV.CSP1.EHN. ML:1.3 0.00021500000000000008 0.42 AML other m 2019-08-11T23:14:46.79
IV.CSP1.EHE. ML:1.7 0.0005600000000000001 0.42 AML other m 2019-08-11T23:14:46.79
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