Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 19-12-2019 and time 18:07:12 (Italy) in region 4 km NW Preci (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km NW Preci (PG), on

  • 19-12-2019 17:07:12 (UTC)
  • 19-12-2019 18:07:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9080, 13.0090 at 11 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.

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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 4 724 724
Sellano PG 7 1079 1803
Visso MC 7 1107 2910
Monte Cavallo MC 10 145 3055
Ussita MC 11 444 3499
Castelsantangelo sul Nera MC 12 281 3780
Cerreto di Spoleto PG 12 1075 4855
Norcia PG 15 4957 9812
Pieve Torina MC 16 1458 11270
Fiordimonte MC 16 202 11472
Pievebovigliana MC 18 866 12338
Fiastra MC 19 559 12897
Serravalle di Chienti MC 19 1070 13967
Acquacanina MC 19 121 14088
Vallo di Nera PG 19 364 14452
Muccia MC 20 915 15367

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 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
Bulletin
Rev1000 		ML 1.1 2019-12-19
17:07:12		 42.9078 13.0093 11 2020-02-28
16:42:26		 Bollettino Sismico Italiano INGV 76645891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-19 17:07:12 ± 0.06
Latitude 42.9078 ± 0.0027
Longitude 13.0093 ± 0.0049
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 76645891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 341
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33815
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 76645891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-19 10:45:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HHZ. 2019-12-19T17:08:33.69 3.0 undecidable manual Sg 10.82 0
IV.NDIM.HHZ. 2019-12-19T17:08:27.47 3.0 undecidable manual Sn 4.92 0
IT.MCLF.HNZ. 2019-12-19T17:08:05.72 3.0 undecidable manual Sn 2.87 0
IT.RMVT.HGZ. 2019-12-19T17:07:46.13 3.0 undecidable manual S -0.41 0
IV.NARO.HHZ. 2019-12-19T17:07:37.16 3.0 undecidable manual S -2.62 0
TV.SF04.EHZ. 2019-12-19T17:07:31.62 3.0 positive manual P 0.54 0
IV.MOMA.HNZ. 2019-12-19T17:07:26.31 0.3 undecidable manual S 252 37.5291 50 0.77 58
IV.LNSS.HHZ. 2019-12-19T17:07:24.48 0.3 undecidable manual S 176 33.9438 50 -0.09 71
IV.CSP1.EHZ. 2019-12-19T17:07:22.56 0.3 undecidable manual S 38 25.8519 50 0.14 71
IV.MMO1.EHZ. 2019-12-19T17:07:22.48 0.3 undecidable manual S 92 25.8519 50 0.08 72
IV.MML1.HNZ. 2019-12-19T17:07:21.40 0.3 undecidable manual S 352 23.0547 50 -0.26 70
IV.FOSV.EHZ. 2019-12-19T17:07:21.00 3.0 positive manual P -0.51 0
IV.GAVE.HNZ. 2019-12-19T17:07:21.95 0.3 undecidable manual S 201 25.6521 50 -0.43 67
IV.MOMA.HNZ. 2019-12-19T17:07:20.40 0.6 undecidable manual P 252 37.5291 50 0.17 46
IV.MC2.EHZ. 2019-12-19T17:07:19.63 0.3 undecidable manual S 88 14.5743 126 0.36 69
IV.FDMO.HHZ. 2019-12-19T17:07:19.43 0.3 undecidable manual S 24 15.5733 124 -0.12 73
IV.LNSS.HHZ. 2019-12-19T17:07:19.78 0.3 undecidable manual P 176 33.9438 50 0.11 71
IV.CSP1.EHZ. 2019-12-19T17:07:18.33 0.3 undecidable manual P 38 25.8519 50 -0.1 72
IV.GAVE.HNZ. 2019-12-19T17:07:18.15 0.6 undecidable manual P 201 25.6521 50 -0.25 46
IV.MMO1.EHZ. 2019-12-19T17:07:18.30 0.3 undecidable manual P 92 25.8519 50 -0.12 72
IV.NRCA.HHZ. 2019-12-19T17:07:18.27 0.3 undecidable manual S 134 11.877 132 -0.26 71
IV.CESI.HHZ. 2019-12-19T17:07:18.91 0.3 undecidable manual S 322 13.7751 128 -0.12 73
IT.MTCL.HGZ. 2019-12-19T17:07:17.70 0.3 undecidable manual S 355 9.5793 138 -0.27 71
IV.FEMA.HNZ. 2019-12-19T17:07:17.52 0.3 undecidable manual S 29 6.8931 147 0.12 74
IV.MML1.HNZ. 2019-12-19T17:07:17.88 0.6 undecidable manual P 352 23.0547 50 -0.11 48
IV.NRCA.HHZ. 2019-12-19T17:07:16.16 0.3 undecidable manual P 134 11.877 132 -0.02 75
IV.CESI.HHZ. 2019-12-19T17:07:16.49 0.1 negative manual P 322 13.7751 128 0.02 100
IV.MC2.EHZ. 2019-12-19T17:07:16.72 0.3 undecidable manual P 88 14.5743 126 0.11 73
IV.FDMO.HHZ. 2019-12-19T17:07:16.81 0.3 undecidable manual P 24 15.5733 124 0.03 74
IT.MTCL.HGZ. 2019-12-19T17:07:15.89 0.1 undecidable manual P 355 9.5793 138 0.03 100
IV.FEMA.HNZ. 2019-12-19T17:07:15.75 0.3 undecidable manual P 29 6.8931 147 0.22 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.0 0.00010730760000000001 0.0896 AML other m 2019-12-19T17:07:19.63
IV.NRCA.HNN. ML:1.2 0.0001935079 0.1152 AML other m 2019-12-19T17:07:18.33
IV.NRCA.HHN. ML:1.3 0.00021709085 0.128 AML other m 2019-12-19T17:07:18.38
IV.NRCA.HHE. ML:1.0 0.000121898085 0.1024 AML other m 2019-12-19T17:07:19.58
IV.CESI.HNN. ML:1.1 0.00011547068 0.1664 AML other m 2019-12-19T17:07:19.29
IV.CESI.HHN. ML:1.1 0.00012374715 0.1536 AML other m 2019-12-19T17:07:19.30
IV.CESI.HHE. ML:1.0 0.0001124375 0.0768 AML other m 2019-12-19T17:07:19.21
IV.FDMO.HHN. ML:1.4 0.00025279685000000003 0.1792 AML other m 2019-12-19T17:07:19.67
IV.FDMO.HHE. ML:1.4 0.00023394065000000003 0.1152 AML other m 2019-12-19T17:07:19.88
IV.CSP1.EHN. ML:0.6 0.000022607814999999998 0.1024 AML other m 2019-12-19T17:07:22.87
IV.CSP1.EHE. ML:0.9 0.000045033895 0.1408 AML other m 2019-12-19T17:07:23.16
IV.LNSS.HHE. ML:0.8 0.000022707834000000003 0.0896 AML other m 2019-12-19T17:07:25.36
IV.LNSS.HHN. ML:0.8 0.000023514485000000002 0.1408 AML other m 2019-12-19T17:07:24.83
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