Earthquake with magnitude of ML 0.9 on date 19-10-2019 and time 02:02:38 (Italy) in region 3 km W Opi (AQ)

A magnitude ML 0.9 earthquake occured in region: 3 km W Opi (AQ), on

  • 19-10-2019 00:02:38 (UTC)
  • 19-10-2019 02:02:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.77, 13.8 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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 3 420 420
Pescasseroli AQ 5 2203 2623
San Donato Val di Comino FR 7 2107 4730
Alvito FR 10 2713 7443
Campoli Appennino FR 10 1725 9168
Villetta Barrea AQ 11 653 9821
Posta Fibreno FR 12 1139 10960
Pescosolido FR 12 1555 12515
Settefrati FR 12 728 13243
Civitella Alfedena AQ 12 296 13539
Gallinaro FR 12 1269 14808
Vicalvi FR 13 783 15591
Fontechiari FR 15 1303 16894
Picinisco FR 15 1218 18112
Broccostella FR 15 2741 20853
Sora FR 16 26144 46997
Barrea AQ 16 726 47723
Atina FR 16 4316 52039
Casalvieri FR 17 2698 54737
Scanno AQ 17 1847 56584
Bisegna AQ 17 223 56807
Casalattico FR 17 574 57381
Villa Latina FR 18 1241 58622
Villavallelonga AQ 18 919 59541
Villalago AQ 19 568 60109
Balsorano AQ 20 3569 63678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km SW of Chieti (51815 inhabitants)
73 Km SE of L'Aquila (69753 inhabitants)
81 Km E of Latina (125985 inhabitants)
85 Km SW of Pescara (121014 inhabitants)
85 Km E of Velletri (53303 inhabitants)
85 Km E of Tivoli (56533 inhabitants)
88 Km SW of Montesilvano (53738 inhabitants)
89 Km NW of Caserta (76326 inhabitants)
92 Km E of Guidonia Montecelio (88673 inhabitants)
95 Km NW of Aversa (53047 inhabitants)
97 Km E of Aprilia (73446 inhabitants)
99 Km NW of Giugliano in Campania (122974 inhabitants)
99 Km S of Teramo (54892 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.9 2019-10-19
00:02:38
41.77 13.8 11 2019-10-19
00:07:37
Sala Sismica INGV-Roma 73332811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-19 00:02:38 ± 0.06
Latitude 41.77 ± 0.00
Longitude 13.80 ± 0.00
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73332811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 318
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 480
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 73332811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-19 00:07:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.T0110.HHE. 2019-10-19T00:02:55.01 0.6 undecidable manual S 358 0.4605 90 0.38 43
IV.MIDA.HHZ. 2019-10-19T00:02:51.89 0.6 undecidable manual S 110 0.3642 90 0.12 46
IV.CERA.HHZ. 2019-10-19T00:02:47.88 0.6 undecidable manual S 136 0.2383 91 -0.14 48
IV.T0110.HHE. 2019-10-19T00:02:47.60 0.1 undecidable manual P 358 0.4605 90 -0.22 89
IV.MIDA.HHZ. 2019-10-19T00:02:46.10 0.1 undecidable manual P 110 0.3642 90 -0.07 95
IV.LRP.EHZ. 2019-10-19T00:02:46.94 0.6 undecidable manual S 232 0.1979 91 0.1 49
IV.VVLD.HHZ. 2019-10-19T00:02:45.62 0.3 undecidable manual S 308 0.1637 92 -0.2 71
IV.RNI2.HHZ. 2019-10-19T00:02:45.07 0.3 undecidable manual P 104 0.2734 91 0.46 66
IV.LRP.EHZ. 2019-10-19T00:02:43.31 0.1 undecidable manual P 232 0.1979 91 -0.01 98
IV.POFI.HHZ. 2019-10-19T00:02:43.54 0.6 undecidable manual S 231 0.0809 127 0.04 50
IV.CERA.HHZ. 2019-10-19T00:02:43.78 0.1 undecidable manual P 136 0.2383 91 -0.23 94
IV.VVLD.HHZ. 2019-10-19T00:02:42.77 0.1 negative manual P 308 0.1637 92 0.03 99
IT.OPI.HGZ. 2019-10-19T00:02:42.31 0.3 undecidable manual S 73 0.0261 161 -0.24 73
IV.POFI.HHZ. 2019-10-19T00:02:41.58 0.1 undecidable manual P 231 0.0809 127 0.19 97
IT.OPI.HGZ. 2019-10-19T00:02:40.92 0.1 undecidable manual P 73 0.0261 161 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:1 0.00012 0.1 AML other m 2019-10-19T00:02:43.82
IV.POFI.HHN. ML:1 0.0001345 0.1 AML other m 2019-10-19T00:02:43.80
IV.VVLD.HHE. ML:1 8.49E-5 0.38 AML other m 2019-10-19T00:02:45.72
IV.VVLD.HHN. ML:1.1 0.0001025 0.12 AML other m 2019-10-19T00:02:45.79
IV.LRP.EHE. ML:0.9 5.3E-5 0.24 AML other m 2019-10-19T00:02:47.48
IV.LRP.EHN. ML:0.6 2.6E-5 0.82 AML other m 2019-10-19T00:02:47.16
IV.CERA.HHN. ML:0.8 3.3E-5 0.7 AML other m 2019-10-19T00:02:49.95
IV.CERA.HHE. ML:1 5.305E-5 1.7 AML other m 2019-10-19T00:02:50.06
IV.RNI2.HHN. ML:0.7 2.45E-5 0.46 AML other m 2019-10-19T00:02:50.82
IV.RNI2.HHE. ML:0.9 3.885E-5 1.34 AML other m 2019-10-19T00:02:51.67
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