Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 01-11-2019 and time 14:46:26 (Italy) in region 2 km NW Opi (AQ)

A magnitude ML 0.5 earthquake occured in region: 2 km NW Opi (AQ), on

  • 01-11-2019 13:46:26 (UTC)
  • 01-11-2019 14:46:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7900, 13.8160 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
Opi AQ 2 420 420
Pescasseroli AQ 3 2203 2623
San Donato Val di Comino FR 9 2107 4730
Villetta Barrea AQ 10 653 5383
Civitella Alfedena AQ 11 296 5679
Campoli Appennino FR 13 1725 7404
Alvito FR 13 2713 10117
Settefrati FR 14 728 10845
Scanno AQ 14 1847 12692
Pescosolido FR 14 1555 14247
Posta Fibreno FR 15 1139 15386
Gallinaro FR 15 1269 16655
Barrea AQ 15 726 17381
Bisegna AQ 15 223 17604
Vicalvi FR 16 783 18387
Picinisco FR 16 1218 19605
Villalago AQ 16 568 20173
Fontechiari FR 18 1303 21476
Broccostella FR 18 2741 24217
Villavallelonga AQ 18 919 25136
Sora FR 18 26144 51280
Atina FR 19 4316 55596
Scontrone AQ 19 574 56170
Lecce nei Marsi AQ 19 1702 57872
Alfedena AQ 19 864 58736
Casalvieri FR 20 2698 61434
Villa Latina FR 20 1241 62675

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km SW of Chieti (51815 inhabitants)
71 Km SE of L'Aquila (69753 inhabitants)
82 Km SW of Pescara (121014 inhabitants)
84 Km E of Latina (125985 inhabitants)
85 Km SW of Montesilvano (53738 inhabitants)
86 Km E of Tivoli (56533 inhabitants)
87 Km E of Velletri (53303 inhabitants)
90 Km NW of Caserta (76326 inhabitants)
93 Km E of Guidonia Montecelio (88673 inhabitants)
97 Km NW of Aversa (53047 inhabitants)
97 Km S of Teramo (54892 inhabitants)
99 Km E of Aprilia (73446 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 1.1
ML 0.5 		2019-11-01
13:46:26		 41.7903 13.8157 11 2020-02-28
16:42:01		 Bollettino Sismico Italiano INGV 73637521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-01 13:46:26 ± 0.04
Latitude 41.7903 ± 0.0027
Longitude 13.8157 ± 0.0036
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 73637521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 324
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 204
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 18
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) 0.43977
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 73637521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-04 12:29:57

Md:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 1
Type of magnitude Md
Reference to an origin 73637521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-04 12:29:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2019-11-01T13:48:09.11 3.0 undecidable manual Sg 15.15 0
IV.SERM.HNZ. 2019-11-01T13:48:01.54 3.0 undecidable manual Sn -0.44 0
IV.HLNI.HHZ. 2019-11-01T13:47:57.17 3.0 undecidable manual Sn 3.55 0
GU.CANO.HHZ. 2019-11-01T13:47:45.31 3.0 undecidable manual Pg 24.57 0
IV.MILN.HNZ. 2019-11-01T13:47:45.80 3.0 undecidable manual Pg 19.51 0
IV.PE3.EHZ. 2019-11-01T13:47:29.68 3.0 undecidable manual Sg 2.07 0
OX.CIMO.HHZ. 2019-11-01T13:47:25.29 3.0 undecidable manual Pn 0.07 0
GU.GRAM.HHZ. 2019-11-01T13:47:14.16 3.0 negative manual Pn 3 0
IV.NDIM.HNZ. 2019-11-01T13:47:13.25 3.0 positive manual Pn 1.8 0
IV.FIR.HHZ. 2019-11-01T13:47:12.28 3.0 undecidable manual Pg 14.9 0
IX.MNT3.HHZ.02 2019-11-01T13:47:05.76 3.0 undecidable manual Sg 7.13 0
IV.TDS.HHZ. 2019-11-01T13:47:02.74 3.0 negative manual Pg 11.74 0
IV.PTRJ.HHZ. 2019-11-01T13:46:53.88 3.0 undecidable manual Sg -0.04 0
IV.RIBO.EHZ.01 2019-11-01T13:46:48.24 3.0 undecidable manual Pn -2.23 0
IV.SCHR.EHZ. 2019-11-01T13:46:44.65 3.0 positive manual Pn -1.21 0
IV.T0110.HHZ. 2019-11-01T13:46:41.51 1.0 undecidable manual S 356 48.8178 50 -0.24 23
IV.LPEL.HHE. 2019-11-01T13:46:40.08 1.0 undecidable manual S 47 41.625 50 0.25 23
IX.MNT3.HHZ.02 2019-11-01T13:46:38.77 3.0 negative manual Pn 2.99 0
IV.MRB1.HHZ. 2019-11-01T13:46:38.73 3.0 undecidable manual Pg 3.4 0
IV.SRES.HHZ. 2019-11-01T13:46:37.60 3.0 negative manual P 0.56 0
IV.RNI2.HNE. 2019-11-01T13:46:36.87 0.3 undecidable manual S 109 29.5482 50 0.27 70
IV.CERA.HNN. 2019-11-01T13:46:35.67 0.6 undecidable manual S 142 27.1506 50 -0.3 47
IV.LRP.EHN. 2019-11-01T13:46:35.32 0.6 undecidable manual S 230 24.753 50 -0.01 49
IV.T0110.HHZ. 2019-11-01T13:46:35.17 0.1 undecidable manual P 356 48.8178 50 -0.01 95
IV.INTR.HHZ. 2019-11-01T13:46:35.43 0.3 undecidable manual S 17 25.6521 50 -0.13 73
IV.LPEL.HHE. 2019-11-01T13:46:33.99 0.6 undecidable manual P 47 41.625 50 -0.09 47
IV.VBKN.HHZ. 2019-11-01T13:46:33.34 3.0 positive manual P 0.81 0
IV.VVLD.HHZ. 2019-11-01T13:46:33.56 0.3 undecidable manual S 299 18.1707 121 -0.01 75
IV.RNI2.HNE. 2019-11-01T13:46:32.37 0.6 undecidable manual P 109 29.5482 50 0.16 48
IV.INTR.HHZ. 2019-11-01T13:46:31.59 0.1 undecidable manual P 17 25.6521 50 -0.02 99
IV.POFI.HHZ. 2019-11-01T13:46:31.69 0.3 undecidable manual S 227 11.7771 133 -0.09 75
IV.CERA.HNN. 2019-11-01T13:46:31.59 0.3 undecidable manual P 142 27.1506 50 -0.26 70
IV.LRP.EHN. 2019-11-01T13:46:31.67 1.0 undecidable manual P 230 24.753 50 0.19 24
IV.VVLD.HHZ. 2019-11-01T13:46:30.57 0.1 undecidable manual P 299 18.1707 121 0.11 98
IV.POFI.HHZ. 2019-11-01T13:46:29.55 0.1 positive manual P 227 11.7771 133 0.12 99
IT.OPI.HGE. 2019-11-01T13:46:29.86 0.3 undecidable manual S 142 1.998 170 -0.19 74
IT.OPI.HGE. 2019-11-01T13:46:28.61 0.1 negative manual P 142 1.998 170 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHN. ML:0.5 0.000033 1.44 AML other m 2019-11-01T13:46:31.98
IV.POFI.HHE. ML:0.6 0.00004015 0.16 AML other m 2019-11-01T13:46:32.04
IV.POFI.HNE. ML:0.7 0.00005751959 0.1728 AML other m 2019-11-01T13:46:32.12
IV.VVLD.HHN. ML:0.3 0.000016660615 0.1216 AML other m 2019-11-01T13:46:34.65
IV.VVLD.HHE. ML:0.4 0.00001936527 0.1984 AML other m 2019-11-01T13:46:34.80
IV.INTR.HHN. ML:0.4 0.00001303495 0.1216 AML other m 2019-11-01T13:46:36.36
IV.INTR.HHE. ML:0.4 0.000014872083000000001 0.1408 AML other m 2019-11-01T13:46:35.92
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
Waveforms Seismic signals in miniseed + resp format not available