INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 0.3 on date 05-12-2018 and time 22:07:48 (Italy) in region 2 km SW Preci (PG)

A magnitude ML 0.3 earthquake occured in region: 2 km SW Preci (PG), on

  • 05-12-2018 21:07:48 (UTC)
  • 05-12-2018 22:07:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.86, 13.02 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 2 724 724
Sellano PG 8 1079 1803
Visso MC 9 1107 2910
Norcia PG 10 4957 7867
Cerreto di Spoleto PG 10 1075 8942
Castelsantangelo sul Nera MC 11 281 9223
Ussita MC 13 444 9667
Monte Cavallo MC 15 145 9812
Cascia PG 16 3217 13029
Vallo di Nera PG 17 364 13393
Poggiodomo PG 18 117 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
99 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km W of Montesilvano (53738 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.3 2018-12-05
21:07:48
42.86 13.02 11 2018-12-05
21:19:43
Sala Sismica INGV-Roma 63691131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-05 21:07:48 ± 0.11
Latitude 42.86 ± 0.01
Longitude 13.02 ± 0.01
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 63691131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 591
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 590
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 17
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
Epicentral distance of station farthest from the epicenter (degree) 0.34354
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0
Num. used stations 4
Type of magnitude ML
Reference to an origin 63691131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-05 21:19:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2018-12-05T21:09:34.13 3.0 undecidable manual Sg 4.72 0
AC.PUK.HHZ. 2018-12-05T21:08:59.03 3.0 undecidable manual Pn 0.87 0
CR.ZAG.BHZ. 2018-12-05T21:08:58.70 3.0 undecidable manual Pg 14.26 0
IV.CAVE.HHZ. 2018-12-05T21:08:53.76 3.0 undecidable manual Sn -9.2 0
MN.CLTB.HHZ. 2018-12-05T21:08:49.45 3.0 positive manual Pn 1.82 0
IV.MCEL.HHZ. 2018-12-05T21:08:29.30 3.0 undecidable manual Pg 3.89 0
IV.CAVE.HHZ. 2018-12-05T21:08:25.18 3.0 negative manual Pn -0.07 0
IV.MNTV.HNZ. 2018-12-05T21:08:23.24 3.0 negative manual Pn -6.42 0
IV.COLB.HHZ. 2018-12-05T21:08:05.24 3.0 undecidable manual Pn -3.06 0
IV.MTRA.HNZ. 2018-12-05T21:07:59.67 0.6 undecidable manual S 111 0.295 50 0.2 48
IV.MML1.HNE. 2018-12-05T21:07:58.06 0.6 undecidable manual S 352 0.2527 50 -0.14 49
IV.MMO1.EHZ. 2018-12-05T21:07:57.30 0.6 undecidable manual S 81 0.2266 50 -0.14 49
IT.VNF1.HGZ. 2018-12-05T21:07:56.49 3.0 negative manual Pn -4.82 0
IV.GAVE.HNE. 2018-12-05T21:07:56.36 0.3 undecidable manual S 209 0.1952 50 -0.14 74
IV.MF5.EHE. 2018-12-05T21:07:55.90 0.1 undecidable manual P 69 0.3435 50 0.33 92
IV.FDMO.HHZ. 2018-12-05T21:07:55.44 0.6 undecidable manual S 16 0.179 50 -0.6 44
IV.CESI.HHZ. 2018-12-05T21:07:55.78 0.3 undecidable manual S 329 0.1646 50 0.17 74
IV.MC2.EHZ. 2018-12-05T21:07:54.22 0.6 undecidable manual S 69 0.1313 127 -0.4 47
IV.MTRA.HNZ. 2018-12-05T21:07:54.80 0.1 undecidable manual P 111 0.295 50 0.07 98
IV.MML1.HNE. 2018-12-05T21:07:53.74 0.1 undecidable manual P 352 0.2527 50 -0.25 96
IV.MMO1.EHZ. 2018-12-05T21:07:53.63 0.3 positive manual P 81 0.2266 50 0.08 75
IV.CESI.HHZ. 2018-12-05T21:07:52.99 0.1 undecidable manual P 329 0.1646 50 0.49 92
IV.GAVE.HNE. 2018-12-05T21:07:52.75 0.1 undecidable manual P 209 0.1952 50 -0.27 96
IV.NRCA.HHZ. 2018-12-05T21:07:52.85 0.6 undecidable manual S 114 0.0746 143 -0.19 50
IV.MC2.EHZ. 2018-12-05T21:07:52.24 1.0 undecidable manual P 69 0.1313 127 0.31 24
IV.FDMO.HHZ. 2018-12-05T21:07:52.39 1.0 undecidable manual P 16 0.179 50 -0.36 24
IV.NRCA.HHZ. 2018-12-05T21:07:51.22 0.1 undecidable manual P 114 0.0746 143 0.2 100
IV.LAV9.HHZ. 2018-12-05T21:07:46.67 3.0 negative manual P -1.03 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.3 1.42350685E-5 0.2048 AML other m 2018-12-05T21:07:56.03
IV.FDMO.HHN. ML:0.3 1.58228685E-5 2.048 AML other m 2018-12-05T21:07:56.16
IV.CESI.HHE. ML:0.3 1.25806925E-5 0.1408 AML other m 2018-12-05T21:07:56.07
IV.CESI.HHN. ML:0.3 1.6339492E-5 0.1408 AML other m 2018-12-05T21:07:56.23
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download