Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 07-12-2019 and time 08:59:42 (UTC) in region 1 km E San Demetrio ne' Vestini (AQ)

A magnitude ML 0.9 earthquake occured in region: 1 km E San Demetrio ne' Vestini (AQ), on

  • 07-12-2019 08:59:42 (UTC)
  • 07-12-2019 09:59:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.2860, 13.5710 at 4 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
San Demetrio ne' Vestini AQ 1 1854 1854
Prata d'Ansidonia AQ 3 496 2350
Villa Sant'Angelo AQ 3 424 2774
Fagnano Alto AQ 4 418 3192
Sant'Eusanio Forconese AQ 4 394 3586
Poggio Picenze AQ 5 1136 4722
Barisciano AQ 5 1828 6550
Fontecchio AQ 7 369 6919
Fossa AQ 7 721 7640
San Pio delle Camere AQ 7 661 8301
Ocre AQ 8 1167 9468
Rocca di Cambio AQ 9 533 10001
Santo Stefano di Sessanio AQ 9 111 10112
Caporciano AQ 9 230 10342
Carapelle Calvisio AQ 9 87 10429
Rocca di Mezzo AQ 10 1526 11955
Castelvecchio Calvisio AQ 10 153 12108
Tione degli Abruzzi AQ 11 310 12418
Calascio AQ 11 137 12555
Navelli AQ 14 554 13109
Castel del Monte AQ 16 413 13522
L'Aquila AQ 16 69753 83275
Ofena AQ 16 506 83781
Capestrano AQ 16 884 84665
Acciano AQ 17 327 84992
Secinaro AQ 17 359 85351
Ovindoli AQ 17 1227 86578
Villa Santa Lucia degli Abruzzi AQ 18 123 86701
Collepietro AQ 19 237 86938
Lucoli AQ 19 1011 87949
San Benedetto in Perillis AQ 20 113 88062

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of L'Aquila (69753 inhabitants)
43 Km S of Teramo (54892 inhabitants)
50 Km W of Chieti (51815 inhabitants)
54 Km W of Montesilvano (53738 inhabitants)
57 Km W of Pescara (121014 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
76 Km E of Guidonia Montecelio (88673 inhabitants)
82 Km E of Terni (111501 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
100 Km E of Roma (2864731 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 		Md 1.3
ML 0.9 		2019-12-07
08:59:42		 42.2858 13.571 4 2020-02-28
16:42:11		 Bollettino Sismico Italiano INGV 74404351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-07 08:59:42 ± 0.08
Latitude 42.2858 ± 0.0027
Longitude 13.5710 ± 0.0036
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74404351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 298
Semi-minor axis of confidence ellipse (meter) 130
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29228
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 74404351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-07 13:42:59

Md:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 3
Type of magnitude Md
Reference to an origin 74404351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-07 13:42:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2019-12-07T09:00:46.88 3.0 undecidable manual Sn -3.32 0
IV.MTMR.EHZ. 2019-12-07T09:00:43.88 3.0 undecidable manual Sg 16.709999 0
IV.IFIL.HHZ. 2019-12-07T09:00:31.42 3.0 undecidable manual Pg 17.889999 0
MN.TRI.HHZ. 2019-12-07T09:00:26.95 3.0 undecidable manual Sg 13.26 0
IV.MILZ.HHZ. 2019-12-07T09:00:24.47 3.0 undecidable manual Pn 4.42 0
IV.MRVN.HHZ. 2019-12-07T09:00:12.11 3.0 undecidable manual Pg 15.98 0
CR.ZAG.BHZ. 2019-12-07T09:00:07.66 3.0 undecidable manual Pg 11.98 0
CR.STON.BHZ. 2019-12-07T09:00:06.14 3.0 undecidable manual Pn 5 0
IV.ORI.HHZ. 2019-12-07T09:00:05.52 3.0 negative manual Pn -1.77 0
IV.PCN.EHZ. 2019-12-07T09:00:04.56 3.0 undecidable manual Sn -0.29 0
IV.MTMR.EHZ. 2019-12-07T08:59:57.90 3.0 undecidable manual Pg 9.7 0
IV.PTQR.HHZ. 2019-12-07T08:59:53.66 0.6 undecidable manual S 206 32.4453 97 -0.06 48
IV.CAMP.HHE. 2019-12-07T08:59:53.04 0.3 undecidable manual S 334 30.747 98 -0.09 71
IV.VCEL.EHN. 2019-12-07T08:59:51.21 0.3 undecidable manual S 61 25.1526 99 -0.01 73
IV.GIGS.HHZ. 2019-12-07T08:59:48.93 0.3 undecidable manual S 0 18.5703 103 -0.04 74
IV.CAMP.HHE. 2019-12-07T08:59:48.28 0.3 undecidable manual P 334 30.747 98 -0.3 68
MN.AQU.HNN. 2019-12-07T08:59:48.16 1.0 undecidable manual S 299 15.5733 105 0.2 24
IV.T0110.HHZ. 2019-12-07T08:59:48.67 0.3 undecidable manual S 110 17.9709 103 -0.1 73
IV.PTQR.HHZ. 2019-12-07T08:59:48.82 1.0 undecidable manual P 206 32.4453 97 -0.1 24
IV.VCEL.EHN. 2019-12-07T08:59:47.80 0.3 undecidable manual P 61 25.1526 99 0.32 69
SI.KOSI.HHZ. 2019-12-07T08:59:47.46 3.0 negative manual Pn 0.53 0
IV.T0110.HHZ. 2019-12-07T08:59:46.03 0.1 undecidable manual P 110 17.9709 103 -0.03 99
IV.GIGS.HHZ. 2019-12-07T08:59:46.17 0.1 undecidable manual P 0 18.5703 103 -0.01 99
MN.AQU.HNN. 2019-12-07T08:59:45.76 0.1 undecidable manual P 299 15.5733 105 0.16 96
IV.FAGN.HHZ. 2019-12-07T08:59:43.99 0.3 undecidable manual S 155 2.4975 150 -0.06 75
IV.FAGN.HHZ. 2019-12-07T08:59:43.43 0.1 positive manual P 155 2.4975 150 0.09 100
IV.BDI.HHZ. 2019-12-07T08:59:41.30 3.0 undecidable manual Sg 3.72 0
IV.CASP.HHZ. 2019-12-07T08:59:32.40 3.0 undecidable manual Sg 2.12 0
IV.BRSN.EHZ. 2019-12-07T08:59:27.25 3.0 undecidable manual Sn -3.87 0
IV.MCIV.CHZ. 2019-12-07T08:59:18.44 3.0 undecidable manual S -0.61 0
IV.MMUR.HNZ. 2019-12-07T08:59:15.86 3.0 undecidable manual Pg 2.21 0
IV.FIR.HHZ. 2019-12-07T08:59:13.19 3.0 undecidable manual P 0.72 0
IV.PE3.EHZ. 2019-12-07T08:59:11.21 3.0 undecidable manual P 1.44 0
IV.MCIV.CHZ. 2019-12-07T08:59:09.89 3.0 positive manual P -0.04 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T0110.HHN. ML:1.3 0.000202 1.38 AML other m 2019-12-07T08:59:50.11
IV.GIGS.HHN. ML:0.6 0.00003845 0.7 AML other m 2019-12-07T08:59:50.25
IV.GIGS.HHE. ML:0.4 0.0000196 1.58 AML other m 2019-12-07T08:59:51.83
IV.T0110.HHE. ML:1.2 0.000167 0.44 AML other m 2019-12-07T08:59:53.48
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