Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 02-12-2019 and time 07:48:46 (Italy) in region 3 km NW Preci (PG)

A magnitude ML 1.6 earthquake occured in region: 3 km NW Preci (PG), on

  • 02-12-2019 06:48:46 (UTC)
  • 02-12-2019 07:48:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.91, 13.02 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 3 724 724
Visso MC 6 1107 1831
Sellano PG 8 1079 2910
Monte Cavallo MC 10 145 3055
Ussita MC 11 444 3499
Castelsantangelo sul Nera MC 11 281 3780
Cerreto di Spoleto PG 13 1075 4855
Norcia PG 14 4957 9812
Pieve Torina MC 16 1458 11270
Fiordimonte MC 16 202 11472
Pievebovigliana MC 18 866 12338
Fiastra MC 18 559 12897
Acquacanina MC 19 121 13018
Serravalle di Chienti MC 19 1070 14088
Bolognola MC 20 142 14230
Vallo di Nera PG 20 364 14594
Muccia MC 20 915 15509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
69 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 1.6 2019-12-02
06:48:46		 42.91 13.02 11 2020-02-28
16:42:12		 Bollettino Sismico Italiano INGV 74512401
Reviewed
Rev100 		ML 1.6 2019-12-02
06:48:46		 42.91 13.04 10 2019-12-02
06:52:58		 Sala Sismica INGV-Roma 74240361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-02 06:48:46 ± 0.08
Latitude 42.91 ± 0.00
Longitude 13.02 ± 0.01
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 74512401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 612
Semi-minor axis of confidence ellipse (meter) 319
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 610
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.51261
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 74240361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-02 06:52:58

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 74512401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-10 13:42:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MF5.EHZ. 2019-12-02T06:48:59.46 0.3 undecidable manual S 76 0.331 50 1.04 52
IV.SNTG.HHZ. 2019-12-02T06:48:59.24 0.3 undecidable manual S 350 0.3534 50 0.16 70
IV.TERO.HHZ. 2019-12-02T06:48:56.17 0.3 undecidable manual P 123 0.5126 50 -0.15 68
IV.CSP1.EHZ. 2019-12-02T06:48:55.16 0.3 undecidable manual S 36 0.2293 50 -0.24 70
IV.MMO1.EHZ. 2019-12-02T06:48:54.95 0.1 undecidable manual S 92 0.2239 50 -0.3 93
IV.MML1.HNZ. 2019-12-02T06:48:54.72 0.3 undecidable manual S 350 0.2104 50 -0.12 72
IV.MF5.EHZ. 2019-12-02T06:48:53.49 0.1 undecidable manual P 76 0.331 50 0.28 91
IV.SNTG.HHZ. 2019-12-02T06:48:53.52 0.3 undecidable manual P 350 0.3534 50 -0.07 71
IV.SMA1.EHN. 2019-12-02T06:48:53.52 0.6 undecidable manual P 140 0.3588 50 -0.17 46
IV.LNSS.HNZ. 2019-12-02T06:48:52.74 0.3 undecidable manual P 177 0.3031 50 0.01 73
IV.MTRA.EHE. 2019-12-02T06:48:52.93 0.6 undecidable manual P 118 0.313 50 0.03 48
IV.MC2.EHZ. 2019-12-02T06:48:52.33 0.3 undecidable manual S 87 0.1232 128 0.2 72
IV.FDMO.HHZ. 2019-12-02T06:48:52.36 0.3 undecidable manual S 20 0.1394 125 -0.26 71
IV.CESI.HHZ. 2019-12-02T06:48:52.37 0.1 undecidable manual S 319 0.1304 127 0.02 100
IV.NRCA.HNZ. 2019-12-02T06:48:51.24 0.3 undecidable manual S 137 0.0998 134 -0.21 72
IV.PF6.EHZ. 2019-12-02T06:48:51.88 0.3 undecidable manual P 29 0.2644 50 -0.18 71
IV.MMO1.EHZ. 2019-12-02T06:48:51.21 0.1 positive manual P 92 0.2239 50 -0.17 95
IV.CSP1.EHZ. 2019-12-02T06:48:51.32 0.1 positive manual P 36 0.2293 50 -0.14 95
IV.MML1.HNZ. 2019-12-02T06:48:51.27 0.3 undecidable manual P 350 0.2104 50 0.13 72
IT.MTCL.HGZ. 2019-12-02T06:48:50.96 0.3 undecidable manual S 350 0.089 138 -0.21 73
IV.FDMO.HHZ. 2019-12-02T06:48:49.83 0.1 negative manual P 20 0.1394 125 -0.03 99
IT.MTCL.HGZ. 2019-12-02T06:48:49.12 0.1 positive manual P 350 0.089 138 0.1 99
IV.CESI.HHZ. 2019-12-02T06:48:49.89 0.1 positive manual P 319 0.1304 127 0.19 96
IV.NRCA.HNZ. 2019-12-02T06:48:49.22 0.1 negative manual P 137 0.0998 134 0.04 100
IV.MC2.EHZ. 2019-12-02T06:48:49.60 0.3 undecidable manual P 87 0.1232 128 0.02 75
IV.FEMA.HNZ. 2019-12-02T06:48:48.81 0.1 negative manual P 21 0.0594 148 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:1.7 0.00073905625 0.1408 AML other m 2019-12-02T06:48:51.11
IV.NRCA.HHN. ML:2 0.00119848855 0.0992 AML other m 2019-12-02T06:48:51.34
IV.NRCA.HNN. ML:2 0.0011231951 0.0896 AML other m 2019-12-02T06:48:51.34
IV.NRCA.HNE. ML:1.8 0.0006883321 0.0928 AML other m 2019-12-02T06:48:51.67
IV.NRCA.HHE. ML:1.8 0.00069977795 0.08 AML other m 2019-12-02T06:48:51.66
IV.FEMA.HNN. ML:1.4 0.00032755955 0.1312 AML other m 2019-12-02T06:48:51.76
IV.FDMO.HHN. ML:1.4 0.0002266085 0.2208 AML other m 2019-12-02T06:48:52.50
IV.FDMO.HHE. ML:1.6 0.00033841535 0.1408 AML other m 2019-12-02T06:48:52.65
IV.CESI.HHE. ML:1.4 0.0002396383 0.2784 AML other m 2019-12-02T06:48:52.84
IV.CESI.HHN. ML:1.7 0.00048896145 0.1824 AML other m 2019-12-02T06:48:52.82
IV.CESI.HNN. ML:1.7 0.0004508128 0.1888 AML other m 2019-12-02T06:48:52.83
IV.CESI.HNE. ML:1.3 0.0001764032 0.208 AML other m 2019-12-02T06:48:52.84
IV.CSP1.EHN. ML:1.4 0.0001286145 0.2784 AML other m 2019-12-02T06:48:55.73
IV.CSP1.EHE. ML:1.4 0.00015069605 0.1792 AML other m 2019-12-02T06:48:55.88
IV.SNTG.HNN. ML:1.7 0.00017686715 2.5696 AML other m 2019-12-02T06:48:59.25
IV.SNTG.HHN. ML:1 3.3685635E-5 1.3984 AML other m 2019-12-02T06:49:00.15
IV.MF5.EHE. ML:1.5 0.000107725825 0.3616 AML other m 2019-12-02T06:48:59.83
IV.SNTG.HNE. ML:1.6 0.0001246006 1.712 AML other m 2019-12-02T06:49:07.63
IV.SNTG.HHE. ML:0.8 1.9242065E-5 0.6176 AML other m 2019-12-02T06:49:09.95
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