Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 07-11-2019 and time 17:55:32 (Italy) in region 4 km SE Balsorano (AQ)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Balsorano (AQ), on

  • 07-11-2019 16:55:32 (UTC)
  • 07-11-2019 17:55:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7810, 13.6070 at 14 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
Balsorano AQ 4 3569 3569
Pescosolido FR 5 1555 5124
Sora FR 7 26144 31268
Campoli Appennino FR 8 1725 32993
Broccostella FR 9 2741 35734
San Vincenzo Valle Roveto AQ 9 2347 38081
Villavallelonga AQ 10 919 39000
Isola del Liri FR 12 11715 50715
Collelongo AQ 12 1233 51948
Castelliri FR 12 3454 55402
Posta Fibreno FR 12 1139 56541
Fontechiari FR 14 1303 57844
Vicalvi FR 14 783 58627
Arpino FR 15 7262 65889
Alvito FR 15 2713 68602
Morino AQ 16 1448 70050
Pescasseroli AQ 16 2203 72253
Civita d'Antino AQ 16 979 73232
Monte San Giovanni Campano FR 17 12929 86161
Lecce nei Marsi AQ 18 1702 87863
Veroli FR 19 20560 108423
Opi AQ 19 420 108843
Casalvieri FR 19 2698 111541
Boville Ernica FR 19 8737 120278
San Donato Val di Comino FR 19 2107 122385
Fontana Liri FR 19 2953 125338
Ortucchio AQ 20 1860 127198
Santopadre FR 20 1357 128555
Collepardo FR 20 968 129523

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km S of L'Aquila (69753 inhabitants)
68 Km NE of Latina (125985 inhabitants)
70 Km E of Velletri (53303 inhabitants)
70 Km E of Tivoli (56533 inhabitants)
77 Km E of Guidonia Montecelio (88673 inhabitants)
79 Km SW of Chieti (51815 inhabitants)
82 Km E of Aprilia (73446 inhabitants)
89 Km E of Anzio (54211 inhabitants)
91 Km SW of Pescara (121014 inhabitants)
92 Km E of Pomezia (62966 inhabitants)
93 Km SW of Montesilvano (53738 inhabitants)
94 Km E of Roma (2864731 inhabitants)
98 Km S of Teramo (54892 inhabitants)
99 Km NW of Caserta (76326 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 2019-11-07
16:55:32		 41.781 13.6067 14 2020-02-28
16:42:02		 Bollettino Sismico Italiano INGV 73741751
Reviewed
Rev100 		ML 1.1 2019-11-07
16:55:32		 41.7802 13.6192 14 2019-11-07
17:02:58		 Sala Sismica INGV-Roma 73710651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-07 16:55:32 ± 0.05
Latitude 41.7810 ± 0.0027
Longitude 13.6067 ± 0.0024
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73741751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 276
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 0.49463
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 73710651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-07 17:02:58

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 73741751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-08 17:38:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHE. 2019-11-07T16:55:49.65 0.3 undecidable manual S 290 54.9006 94 -0.16 69
IV.CERA.HNN. 2019-11-07T16:55:45.64 0.3 undecidable manual S 121 39.7269 97 -0.13 71
IV.GIUL.HHZ. 2019-11-07T16:55:45.56 0.3 undecidable manual S 230 38.2284 97 0.18 70
IV.INTR.HHZ. 2019-11-07T16:55:44.49 1.0 undecidable manual S 44 35.4423 98 -0.17 24
IV.PTQR.HHZ. 2019-11-07T16:55:43.65 0.3 undecidable manual S 328 31.6461 100 0 74
IV.CERT.HHE. 2019-11-07T16:55:42.34 0.1 undecidable manual P 290 54.9006 94 -0.22 91
IV.GUAR.HNN. 2019-11-07T16:55:41.79 0.3 undecidable manual S 274 24.3534 105 0.04 74
IV.CERA.HNN. 2019-11-07T16:55:40.10 0.3 undecidable manual P 121 39.7269 97 -0.13 71
IV.GIUL.HHZ. 2019-11-07T16:55:40.05 0.3 undecidable manual P 230 38.2284 97 0.04 73
IT.OPI.HGE. 2019-11-07T16:55:40.24 0.3 undecidable manual S 92 18.4704 113 -0.02 75
IV.INTR.HHZ. 2019-11-07T16:55:39.63 0.1 positive manual P 44 35.4423 98 0.04 98
IV.LRP.EHZ. 2019-11-07T16:55:39.23 0.3 undecidable manual S 186 14.9739 121 -0.19 74
IV.VVLD.HHZ. 2019-11-07T16:55:38.39 0.3 undecidable manual S 8 9.879 137 0.02 77
IV.GUAR.HNN. 2019-11-07T16:55:38.05 0.3 undecidable manual P 274 24.3534 105 0.14 73
IV.POFI.HHZ. 2019-11-07T16:55:38.50 0.3 undecidable manual S 129 11.1777 132 -0.12 75
IV.PTQR.HHZ. 2019-11-07T16:55:38.79 0.3 undecidable manual P 328 31.6461 100 -0.22 71
IT.OPI.HGE. 2019-11-07T16:55:37.16 0.1 undecidable manual P 92 18.4704 113 0.11 99
IV.VVLD.HHZ. 2019-11-07T16:55:36.24 0.1 negative manual P 8 9.879 137 0.28 97
IV.POFI.HHZ. 2019-11-07T16:55:36.23 0.1 negative manual P 129 11.1777 132 0.13 100
IV.LRP.EHZ. 2019-11-07T16:55:36.68 0.1 positive manual P 186 14.9739 121 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHN. ML:1.3 0.00021550000000000003 1.58 AML other m 2019-11-07T16:55:38.79
IV.VVLD.HHE. ML:1.3 0.0001785 0.18 AML other m 2019-11-07T16:55:38.87
IV.POFI.HHE. ML:0.9 0.00006945 0.48 AML other m 2019-11-07T16:55:39.96
IV.LRP.EHN. ML:1.2 0.00011449999999999999 1.26 AML other m 2019-11-07T16:55:40.07
IV.LRP.EHE. ML:1.2 0.00011449999999999999 0.84 AML other m 2019-11-07T16:55:40.24
IV.POFI.HHN. ML:0.9 0.00007785000000000001 0.34 AML other m 2019-11-07T16:55:40.36
IV.POFI.HNE. ML:0.7 0.000044017905000000005 0.0128 AML other m 2019-11-07T16:55:38.81
IV.VVLD.HNN. ML:1.3 0.00020055885 0.1664 AML other m 2019-11-07T16:55:38.79
IV.VVLD.HNE. ML:1.2 0.00017493805000000001 0.192 AML other m 2019-11-07T16:55:38.87
IV.INTR.HHE. ML:0.9 0.000027939856000000003 0.256 AML other m 2019-11-07T16:55:44.83
IV.INTR.HHN. ML:0.9 0.000028796695 0 AML other m 2019-11-07T16:55:45.50
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