Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 07-04-2019 and time 06:50:49 (Italy) in region 1 km S Preci (PG)

A magnitude ML 0.9 earthquake occured in region: 1 km S Preci (PG), on

  • 07-04-2019 04:50:49 (UTC)
  • 07-04-2019 06:50:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8710, 13.0380 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 1 724 724
Visso MC 8 1107 1831
Sellano PG 9 1079 2910
Norcia PG 10 4957 7867
Castelsantangelo sul Nera MC 10 281 8148
Cerreto di Spoleto PG 11 1075 9223
Ussita MC 12 444 9667
Monte Cavallo MC 14 145 9812
Cascia PG 17 3217 13029
Vallo di Nera PG 18 364 13393
Fiordimonte MC 19 202 13595
Pieve Torina MC 19 1458 15053
Poggiodomo PG 20 117 15170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
59 Km W of Teramo (54892 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
99 Km W of Montesilvano (53738 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 0.9 2019-04-07
04:50:49		 42.8708 13.0378 10 2019-04-07
05:01:04		 Sala Sismica INGV-Roma 67324901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-07 04:50:49 ± 0.06
Latitude 42.8708 ± 0.0036
Longitude 13.0378 ± 0.0049
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 67324901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 351
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 28
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.48384
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 67324901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-07 05:01:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-04-07T04:51:06.34 0.3 undecidable manual S 121 53.7018 50 0.08 69
IV.MF5.EHZ. 2019-04-07T04:51:02.39 0.1 undecidable manual S 69 36.6411 50 0.68 81
IV.SMA1.EHZ. 2019-04-07T04:51:01.42 0.3 undecidable manual S 138 36.0417 50 -0.13 70
IV.ASSB.HHZ. 2019-04-07T04:51:01.48 0.1 undecidable manual S 302 36.2415 50 -0.11 94
IV.LNSS.HHE. 2019-04-07T04:50:59.71 0.3 undecidable manual S 180 29.748 50 -0.16 71
IV.MML1.EHE. 2019-04-07T04:50:58.95 0.3 undecidable manual S 349 27.4503 50 -0.31 69
IV.TERO.HHZ. 2019-04-07T04:50:58.76 0.1 undecidable manual P 121 53.7018 50 -0.31 88
IV.MMO1.EHZ. 2019-04-07T04:50:57.77 0.1 undecidable manual S 82 23.6541 113 -0.38 91
IV.GAVE.EHE. 2019-04-07T04:50:57.94 0.3 undecidable manual S 211 22.9548 113 0.01 74
IV.MF5.EHZ. 2019-04-07T04:50:56.73 0.1 undecidable manual P 69 36.6411 50 0.29 91
IV.FDMO.HHZ. 2019-04-07T04:50:56.34 0.1 undecidable manual S 12 18.7701 118 -0.28 94
IV.CESI.HHZ. 2019-04-07T04:50:56.50 0.1 undecidable manual S 324 18.3705 118 0.01 99
IV.SMA1.EHZ. 2019-04-07T04:50:56.15 0.1 undecidable manual P 138 36.0417 50 -0.19 93
IV.ASSB.HHZ. 2019-04-07T04:50:56.26 0.1 undecidable manual P 302 36.2415 50 -0.11 94
IV.LNSS.HHE. 2019-04-07T04:50:55.29 0.3 undecidable manual P 180 29.748 50 -0.08 72
IT.MTCL.HGE. 2019-04-07T04:50:55.05 0.3 undecidable manual S 347 13.9749 125 -0.14 73
IV.MML1.EHE. 2019-04-07T04:50:55.19 0.3 undecidable manual P 349 27.4503 50 0.17 71
IV.MC2.EHZ. 2019-04-07T04:50:55.02 0.1 undecidable manual S 70 13.0758 127 0.08 99
IV.FEMA.HNE. 2019-04-07T04:50:54.13 0.1 undecidable manual S 5 10.1787 134 -0.04 100
IV.MMO1.EHZ. 2019-04-07T04:50:54.17 0.1 undecidable manual P 82 23.6541 113 -0.21 94
IV.GAVE.EHE. 2019-04-07T04:50:54.74 0.3 undecidable manual P 211 22.9548 113 0.49 67
IV.FDMO.HHZ. 2019-04-07T04:50:53.54 0.1 undecidable manual P 12 18.7701 118 0.04 98
IV.CESI.HHZ. 2019-04-07T04:50:53.58 0.1 undecidable manual P 324 18.3705 118 0.16 96
IV.MC2.EHZ. 2019-04-07T04:50:52.74 0.3 undecidable manual P 70 13.0758 127 0.22 72
IV.FEMA.HNE. 2019-04-07T04:50:52.38 0.3 undecidable manual P 5 10.1787 134 0.3 71
IT.MTCL.HGE. 2019-04-07T04:50:52.78 0.1 undecidable manual P 347 13.9749 125 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.0 0.00003594999999999999 0.2 AML other m 2019-04-07T04:51:02.94
IV.FDMO.HHN. ML:0.9 0.00006484999999999999 0.32 AML other m 2019-04-07T04:50:56.75
IV.CESI.HHN. ML:1.0 0.00009204999999999999 0.26 AML other m 2019-04-07T04:50:56.97
IV.CESI.HHE. ML:1.0 0.0000781 0.24 AML other m 2019-04-07T04:50:56.84
IV.ASSB.HHE. ML:1.0 0.0000352 0.68 AML other m 2019-04-07T04:51:02.05
IV.SMA1.EHN. ML:0.6 0.00001602161 0.24 AML other m 2019-04-07T04:51:03.12
IV.TERO.HHE. ML:0.6 0.000008183247500000001 0.1216 AML other m 2019-04-07T04:51:08.27
IV.TERO.HHN. ML:0.6 0.0000090873415 0.0992 AML other m 2019-04-07T04:51:07.30
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