Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 07-08-2019 and time 00:13:48 (Italy) in region 2 km E Preci (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km E Preci (PG), on

  • 06-08-2019 22:13:48 (UTC)
  • 07-08-2019 00:13:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8780, 13.0680 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
Preci PG 2 724 724
Visso MC 6 1107 1831
Castelsantangelo sul Nera MC 7 281 2112
Ussita MC 9 444 2556
Norcia PG 10 4957 7513
Sellano PG 12 1079 8592
Cerreto di Spoleto PG 14 1075 9667
Monte Cavallo MC 14 145 9812
Fiordimonte MC 18 202 10014
Cascia PG 18 3217 13231
Bolognola MC 18 142 13373
Pieve Torina MC 19 1458 14831
Acquacanina MC 19 121 14952
Fiastra MC 19 559 15511

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
97 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 1.2 2019-08-06
22:13:48		 42.8782 13.068 10 2019-08-06
22:26:10		 Sala Sismica INGV-Roma 71230681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-06 22:13:48 ± 0.07
Latitude 42.8782 ± 0.0036
Longitude 13.0680 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71230681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 338
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.46855
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 71230681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-06 22:26:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-08-06T22:14:04.92 0.6 undecidable manual S 123 52.0035 50 -0.29 45
IV.MF5.EHZ. 2019-08-06T22:14:01.12 0.3 undecidable manual S 69 34.0437 50 0.71 61
IV.SMA1.EHZ. 2019-08-06T22:14:00.26 0.6 undecidable manual S 142 35.0427 50 -0.42 45
IV.GUMA.HHZ. 2019-08-06T22:13:59.29 0.3 undecidable manual S 47 29.8479 50 0.01 74
IV.TERO.HHZ. 2019-08-06T22:13:58.02 0.3 undecidable manual P 123 52.0035 50 -0.17 69
IV.MNTT.EHZ. 2019-08-06T22:13:58.07 0.1 undecidable manual P 64 47.4192 50 0.58 84
IV.MML1.HNZ. 2019-08-06T22:13:58.32 0.3 undecidable manual S 343 27.2505 50 -0.28 71
IV.GAVE.EHZ. 2019-08-06T22:13:57.90 0.6 undecidable manual S 215 25.0527 112 -0.05 49
IV.MMO1.EHZ. 2019-08-06T22:13:56.25 0.3 undecidable manual S 84 21.1677 115 -0.47 68
IV.CESI.HHZ. 2019-08-06T22:13:56.14 0.6 undecidable manual S 317 19.3695 117 -0.01 50
IV.SMA1.EHZ. 2019-08-06T22:13:55.37 0.3 undecidable manual P 142 35.0427 50 -0.21 71
IV.MF5.EHZ. 2019-08-06T22:13:55.84 0.3 undecidable manual P 69 34.0437 50 0.42 68
IV.ASSB.HHZ. 2019-08-06T22:13:55.89 0.3 undecidable manual P 299 37.9287 50 -0.13 71
IV.FDMO.HHZ. 2019-08-06T22:13:55.46 0.3 undecidable manual S 5 17.6712 119 -0.17 73
IV.MML1.HNZ. 2019-08-06T22:13:54.19 0.3 undecidable manual P 343 27.2505 50 -0.19 72
IV.MTRA.HNZ. 2019-08-06T22:13:54.75 0.3 undecidable manual P 117 29.9478 50 -0.04 74
IT.MTCL.HGZ. 2019-08-06T22:13:54.48 0.3 undecidable manual S 337 13.9749 125 -0.09 75
IV.GAVE.EHZ. 2019-08-06T22:13:54.45 0.3 undecidable manual P 215 25.0527 112 0.45 68
IV.GUMA.HHZ. 2019-08-06T22:13:54.79 0.3 undecidable manual P 47 29.8479 50 0.02 74
IV.CSP1.EHZ. 2019-08-06T22:13:53.82 0.3 undecidable manual P 25 26.1516 50 -0.39 69
IV.MMO1.EHZ. 2019-08-06T22:13:53.10 0.3 undecidable manual P 84 21.1677 115 -0.19 73
IV.CESI.HHZ. 2019-08-06T22:13:53.13 0.3 undecidable manual P 317 19.3695 117 0.17 73
IV.FEMA.HNZ. 2019-08-06T22:13:53.57 0.3 undecidable manual S 351 9.4794 136 0.21 74
IV.FDMO.HHZ. 2019-08-06T22:13:52.74 0.3 undecidable manual P 5 17.6712 119 0.08 75
IV.NRCA.HNZ. 2019-08-06T22:13:52.60 0.3 undecidable manual S 143 6.1938 148 -0.07 76
IT.MTCL.HGZ. 2019-08-06T22:13:52.13 0.3 undecidable manual P 337 13.9749 125 0.08 75
IV.NRCA.HNZ. 2019-08-06T22:13:51.11 0.1 undecidable manual P 143 6.1938 148 0.15 100
IV.FEMA.HNZ. 2019-08-06T22:13:51.04 0.3 undecidable manual P 351 9.4794 136 -0.31 72
IV.MC2.EHZ. 2019-08-06T22:13:51.71 0.3 undecidable manual P 69 10.4784 133 0.21 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.4 0.00020400000000000003 0.26 AML other m 2019-08-06T22:13:56.48
IV.CESI.HHE. ML:1.3 0.00014000000000000001 0.18 AML other m 2019-08-06T22:13:56.34
IV.GAVE.EHN. ML:1.2 0.00010180000000000001 0.72 AML other m 2019-08-06T22:13:58.66
IV.GAVE.EHE. ML:1.3 0.0001245 0.78 AML other m 2019-08-06T22:13:58.40
IV.GUMA.HHE. ML:1.4 0.00010775 1.06 AML other m 2019-08-06T22:14:00.81
IV.ASSB.HHE. ML:1.0 0.00003395 0.56 AML other m 2019-08-06T22:14:01.34
IV.ASSB.HHN. ML:1.1 0.000050549999999999995 0.4 AML other m 2019-08-06T22:14:01.97
IV.GUMA.HHN. ML:1.4 0.000121 0.5 AML other m 2019-08-06T22:14:02.34
IV.SMA1.EHE. ML:0.9 0.00003705 1.5 AML other m 2019-08-06T22:14:02.20
IV.SMA1.EHN. ML:0.9 0.000033 0.52 AML other m 2019-08-06T22:14:03.32
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