Earthquake with magnitude of Md 0.8 on date 04-12-2019 and time 01:21:59 (Italy) in region 1 km S Preci (PG)

A magnitude Md 0.8 earthquake occured in region: 1 km S Preci (PG), on

  • 04-12-2019 00:21:59 (UTC)
  • 04-12-2019 01:21:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8710, 13.0430 at 13 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
Castelsantangelo sul Nera MC 10 281 2112
Norcia PG 10 4957 7069
Sellano PG 10 1079 8148
Ussita MC 11 444 8592
Cerreto di Spoleto PG 12 1075 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 W of Teramo (54892 inhabitants)
59 Km E of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 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
Md 0.8 2019-12-04
00:21:59
42.8708 13.0427 13 2019-12-04
09:10:35
Sala Sismica INGV-Roma 74306531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-04 00:21:59 ± 0.16
Latitude 42.8708 ± 0.0054
Longitude 13.0427 ± 0.0086
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74306531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 588
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 198
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) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 2
Type of magnitude Md
Reference to an origin 74306531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-04 09:10:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-12-04T00:22:08.91 0.3 undecidable manual S 28 27.8499 97 -0.01 73
IV.MMO1.EHZ. 2019-12-04T00:22:07.43 0.3 undecidable manual S 82 23.3544 99 -0.3 70
IV.FDMO.HHZ. 2019-12-04T00:22:06.38 0.3 undecidable manual S 11 18.7701 105 -0.15 72
IV.CESI.HHZ. 2019-12-04T00:22:06.53 0.3 undecidable manual S 323 18.6702 105 0.03 74
IV.MC2.EHE. 2019-12-04T00:22:05.23 0.3 undecidable manual S 69 12.6762 121 0.18 72
IT.MTCL.HGN. 2019-12-04T00:22:04.86 0.3 undecidable manual S 346 14.0748 116 -0.51 67
IV.CSP1.EHZ. 2019-12-04T00:22:04.78 0.1 undecidable manual P 28 27.8499 97 0.05 97
IV.FEMA.HNN. 2019-12-04T00:22:04.63 0.3 undecidable manual S 3 10.1787 130 0.14 73
IV.CESI.HHZ. 2019-12-04T00:22:03.46 0.1 undecidable manual P 323 18.6702 105 0.12 97
IV.NRCA.HHZ. 2019-12-04T00:22:03.69 0.3 undecidable manual S 125 7.1928 143 -0.24 73
IV.MMO1.EHZ. 2019-12-04T00:22:03.92 0.1 undecidable manual P 82 23.3544 99 -0.12 96
IV.FDMO.HHZ. 2019-12-04T00:22:03.36 0.1 undecidable manual P 11 18.7701 105 0.01 99
IV.FEMA.HNN. 2019-12-04T00:22:02.46 0.1 undecidable manual P 3 10.1787 130 0.29 95
IV.MC2.EHE. 2019-12-04T00:22:02.62 0.1 undecidable manual P 69 12.6762 121 0.13 97
IT.MTCL.HGN. 2019-12-04T00:22:02.73 0.1 undecidable manual P 346 14.0748 116 0.05 99
IV.NRCA.HHZ. 2019-12-04T00:22:01.86 0.1 undecidable manual P 125 7.1928 143 0.01 100
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