Earthquake with magnitude of ML 1.2 on date 07-04-2020 and time 16:52:55 (UTC) in region 1 km W Preci (PG)

A magnitude ML 1.2 earthquake occured in region: 1 km W Preci (PG), on

  • 07-04-2020 16:52:55 (UTC)
  • 07-04-2020 18:52:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8770, 13.0310 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
Preci PG 1 724 724
Visso MC 8 1107 1831
Sellano PG 9 1079 2910
Castelsantangelo sul Nera MC 10 281 3191
Norcia PG 11 4957 8148
Cerreto di Spoleto PG 11 1075 9223
Ussita MC 12 444 9667
Monte Cavallo MC 13 145 9812
Cascia PG 18 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
28 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
100 Km W of Montesilvano (53738 inhabitants)
101 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 1.2 2020-04-07
16:52:55
42.8768 13.0313 11 2020-04-07
16:59:09
Sala Sismica INGV-Roma 77988031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-07 16:52:55 ± 0.12
Latitude 42.8768 ± 0.0045
Longitude 13.0313 ± 0.0074
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 77988031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 677
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.28688
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 77988031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-07 16:59:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PF6.EHE. 2020-04-07T16:53:06.20 0.3 undecidable manual S 24 31.8459 50 -0.05 72
IV.CSP1.EHZ. 2020-04-07T16:53:05.24 0.3 undecidable manual S 30 27.6501 50 0.09 72
IV.MMO1.EHZ. 2020-04-07T16:53:03.93 0.3 undecidable manual S 84 24.1536 50 -0.26 70
IV.FDMO.HHZ. 2020-04-07T16:53:02.45 0.1 undecidable manual S 14 18.2706 120 -0.11 98
IV.PF6.EHE. 2020-04-07T16:53:01.58 0.3 undecidable manual P 24 31.8459 50 0 73
IV.MC2.EHZ. 2020-04-07T16:53:01.26 0.1 undecidable manual S 73 13.3755 129 0.11 98
IV.CESI.HNZ. 2020-04-07T16:53:01.93 0.3 undecidable manual S 324 17.5713 121 -0.41 69
IV.MMO1.EHZ. 2020-04-07T16:53:00.36 0.1 undecidable manual P 84 24.1536 50 -0.04 98
IV.FEMA.HNE. 2020-04-07T16:53:00.12 0.1 undecidable manual S 9 9.5793 138 -0.07 100
IV.CSP1.EHZ. 2020-04-07T16:53:00.97 0.1 undecidable manual P 30 27.6501 50 0.03 98
IV.FDMO.HHZ. 2020-04-07T16:52:59.49 0.1 undecidable manual P 14 18.2706 120 0.04 99
IV.CESI.HNZ. 2020-04-07T16:52:59.53 0.1 undecidable manual P 324 17.5713 121 0.21 96
IV.NRCA.HHZ. 2020-04-07T16:52:59.62 0.1 undecidable manual S 125 8.2806 142 -0.28 96
IV.MC2.EHZ. 2020-04-07T16:52:58.84 0.1 undecidable manual P 73 13.3755 129 0.2 97
IV.FEMA.HNE. 2020-04-07T16:52:58.34 0.1 undecidable manual P 9 9.5793 138 0.26 96
IV.NRCA.HHZ. 2020-04-07T16:52:58.01 0.1 undecidable manual P 125 8.2806 142 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.0003285 0.18 AML other m 2020-04-07T16:52:59.70
IV.NRCA.HHE. ML:1.3 0.000243 1.22 AML other m 2020-04-07T16:53:00.96
IV.FDMO.HHN. ML:0.8 0.0000538 0.36 AML other m 2020-04-07T16:53:02.98
IV.FDMO.HHE. ML:1.1 0.0001036 0.16 AML other m 2020-04-07T16:53:02.89
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