Earthquake with magnitude of ML 1.5 on date 09-12-2018 and time 16:48:46 (Italy) in region 4 km E Preci (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km E Preci (PG), on

  • 09-12-2018 15:48:46 (UTC)
  • 09-12-2018 16:48:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.89, 13.08 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 4 724 724
Visso MC 4 1107 1831
Castelsantangelo sul Nera MC 6 281 2112
Ussita MC 8 444 2556
Norcia PG 11 4957 7513
Sellano PG 12 1079 8592
Monte Cavallo MC 13 145 8737
Cerreto di Spoleto PG 16 1075 9812
Fiordimonte MC 16 202 10014
Bolognola MC 17 142 10156
Pieve Torina MC 17 1458 11614
Acquacanina MC 17 121 11735
Fiastra MC 17 559 12294
Pievebovigliana MC 19 866 13160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
96 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
Rev 1000 ML 1.5 2018-12-09
15:48:46
42.89 13.08 11 2019-06-04
09:16:12
Bollettino Sismico Italiano INGV 67221111
Rev 100 ML 1.5 2018-12-09
15:48:46
42.89 13.08 11 2018-12-09
16:04:49
Sala Sismica INGV-Roma 63791911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-09 15:48:46 ± 0.04
Latitude 42.89 ± 0.00
Longitude 13.08 ± 0.00
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67221111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 335
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 330
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.3966
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 63791911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-09 16:04:49

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 67221111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-03 12:40:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ASSB.HHE. 2018-12-09T15:48:59.36 0.6 undecidable manual S 296 0.3417 50 0.12 47
IV.T1299.HNZ. 2018-12-09T15:48:58.24 0.6 undecidable manual S 150 0.2986 50 0.29 45
IV.LNSS.HNE. 2018-12-09T15:48:57.50 0.6 undecidable manual S 186 0.2923 50 -0.25 46
IV.CSP1.EHZ. 2018-12-09T15:48:55.43 0.6 undecidable manual S 25 0.2185 50 -0.14 48
IV.MML1.HNZ. 2018-12-09T15:48:55.88 0.3 undecidable manual S 340 0.2338 50 -0.14 71
IV.MMO1.EHZ. 2018-12-09T15:48:54.15 0.6 undecidable manual S 88 0.1808 118 -0.22 47
IV.RM33.HNN. 2018-12-09T15:48:54.85 0.6 undecidable manual P 166 0.3966 50 0.06 47
IV.MOMA.HNZ. 2018-12-09T15:48:54.52 1.0 undecidable manual P 257 0.384 50 -0.05 23
IV.T1299.HNZ. 2018-12-09T15:48:53.27 0.6 undecidable manual P 150 0.2986 50 0.16 47
IV.ASSB.HHE. 2018-12-09T15:48:53.88 0.6 undecidable manual P 296 0.3417 50 0.02 48
IV.MF5.EHZ. 2018-12-09T15:48:53.06 1.0 undecidable manual P 71 0.2932 50 0.03 24
IV.LNSS.HNE. 2018-12-09T15:48:52.95 0.3 undecidable manual P 186 0.2923 50 -0.05 72
IT.MTCL.HGZ. 2018-12-09T15:48:52.17 0.6 undecidable manual S 330 0.116 129 -0.1 49
IV.FDMO.HHZ. 2018-12-09T15:48:52.88 0.6 undecidable manual S 2 0.143 123 -0.23 47
IV.FEMA.HNZ. 2018-12-09T15:48:51.16 0.6 undecidable manual S 342 0.0719 143 0.08 49
IV.MC2.EHZ. 2018-12-09T15:48:51.43 0.3 undecidable manual S 77 0.0818 139 0.11 74
IV.CSP1.EHZ. 2018-12-09T15:48:51.75 0.3 undecidable manual P 25 0.2185 50 0.01 73
IV.MML1.HNZ. 2018-12-09T15:48:51.95 0.1 undecidable manual P 340 0.2338 50 -0.05 96
IV.FDMO.HHZ. 2018-12-09T15:48:50.48 0.1 undecidable manual P 2 0.143 123 0.16 96
IV.MMO1.EHZ. 2018-12-09T15:48:50.93 0.6 undecidable manual P 88 0.1808 118 -0.12 48
IV.NRCA.HHZ. 2018-12-09T15:48:50.63 0.3 undecidable manual S 157 0.0648 145 -0.29 71
IV.NRCA.HHZ. 2018-12-09T15:48:49.09 0.1 undecidable manual P 157 0.0648 145 0.03 100
IV.FEMA.HNZ. 2018-12-09T15:48:49.40 1.0 undecidable manual P 342 0.0719 143 0.25 24
IV.MC2.EHZ. 2018-12-09T15:48:49.51 0.3 negative manual P 77 0.0818 139 0.22 72
IT.MTCL.HGZ. 2018-12-09T15:48:49.95 0.6 undecidable manual P 330 0.116 129 0.11 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.7 0.0007917021 0.1408 AML other m 2018-12-09T15:48:50.73
IV.NRCA.HHN. ML:1.8 0.0008321625 0.128 AML other m 2018-12-09T15:48:50.73
IV.NRCA.HHE. ML:1.3 0.00031237655 0.1408 AML other m 2018-12-09T15:48:50.99
IV.NRCA.HNE. ML:1.4 0.0003187748 0.1536 AML other m 2018-12-09T15:48:50.99
IV.CSP1.EHE. ML:1.5 0.000212086255 1.4592 AML other m 2018-12-09T15:48:55.19
IV.CSP1.EHN. ML:1.5 0.0001962136 1.0368 AML other m 2018-12-09T15:48:55.28
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