INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 1.5 on date 13-09-2018 and time 06:42:26 (Italy) in region 6 km SW Scanno (AQ)

A magnitude ML 1.5 earthquake occured in region: 6 km SW Scanno (AQ), on

  • 13-09-2018 04:42:26 (UTC)
  • 13-09-2018 06:42:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.87, 13.82 at 9 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
Scanno AQ 6 1847 1847
Pescasseroli AQ 7 2203 4050
Villalago AQ 8 568 4618
Bisegna AQ 8 223 4841
Opi AQ 10 420 5261
Villetta Barrea AQ 13 653 5914
Lecce nei Marsi AQ 13 1702 7616
Anversa degli Abruzzi AQ 14 341 7957
Gioia dei Marsi AQ 14 1989 9946
Civitella Alfedena AQ 15 296 10242
Rocca Pia AQ 15 178 10420
Villavallelonga AQ 16 919 11339
Ortona dei Marsi AQ 17 542 11881
Pettorano sul Gizio AQ 17 1376 13257
Introdacqua AQ 17 2126 15383
Bugnara AQ 18 1125 16508
Ortucchio AQ 18 1860 18368
San Donato Val di Comino FR 18 2107 20475
Campoli Appennino FR 19 1725 22200
Barrea AQ 19 726 22926
Pescosolido FR 19 1555 24481
Cocullo AQ 19 230 24711
Collelongo AQ 20 1233 25944

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km SW of Chieti (51815 inhabitants)
64 Km SE of L'Aquila (69753 inhabitants)
74 Km SW of Pescara (121014 inhabitants)
77 Km SW of Montesilvano (53738 inhabitants)
85 Km E of Tivoli (56533 inhabitants)
88 Km NE of Latina (125985 inhabitants)
89 Km S of Teramo (54892 inhabitants)
89 Km E of Velletri (53303 inhabitants)
92 Km E of Guidonia Montecelio (88673 inhabitants)
98 Km NW of Caserta (76326 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 1.5 2018-09-13
04:42:26
41.87 13.82 9 2018-09-13
04:46:10
Sala Sismica INGV-Roma 60890231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-13 04:42:26 ± 0.09
Latitude 41.87 ± 0.00
Longitude 13.82 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 60890231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 760
Semi-minor axis of confidence ellipse (meter) 455
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 760
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 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.527
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 60890231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-13 04:46:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2018-09-13T04:42:45.48 0.3 undecidable manual S 1 0.527 50 0.74 57
IV.LIK.EHZ.01 2018-09-13T04:42:43.48 3.0 undecidable manual S 0.64 0
IV.T0110.HHZ. 2018-09-13T04:42:39.81 0.6 undecidable manual S 355 0.3633 50 -0.08 47
IV.CERA.HHZ. 2018-09-13T04:42:38.30 0.6 undecidable manual S 151 0.3067 50 0.1 48
IV.LPEL.HHZ. 2018-09-13T04:42:38.73 0.6 undecidable manual S 56 0.3229 50 0.05 48
IV.VCEL.EHZ. 2018-09-13T04:42:36.84 0.1 undecidable manual P 1 0.527 50 -0.08 92
IV.LPEL.HHZ. 2018-09-13T04:42:33.60 0.6 positive manual P 56 0.3229 50 0.18 47
IV.INTR.HHZ. 2018-09-13T04:42:33.09 0.6 undecidable manual S 23 0.1565 118 0.03 50
IV.T0110.HHZ. 2018-09-13T04:42:33.61 0.1 undecidable manual P 355 0.3633 50 -0.51 86
IV.POFI.HHZ. 2018-09-13T04:42:33.85 0.6 undecidable manual S 209 0.1709 116 0.29 47
IV.VVLD.HHZ. 2018-09-13T04:42:32.84 0.6 undecidable manual S 271 0.1484 119 0.05 50
IV.LRP.EHZ. 2018-09-13T04:42:32.77 3.0 negative manual P -0.18 0
IV.CERA.HHZ. 2018-09-13T04:42:32.96 0.1 undecidable manual P 151 0.3067 50 -0.19 94
IV.POFI.HHZ. 2018-09-13T04:42:30.53 0.1 undecidable manual P 209 0.1709 116 0.06 99
IV.INTR.HHZ. 2018-09-13T04:42:30.17 0.1 positive manual P 23 0.1565 118 -0.01 100
IV.VVLD.HHZ. 2018-09-13T04:42:29.94 0.1 negative manual P 271 0.1484 119 -0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HNN. ML:1.9 0.0006965 0.68 AML other m 2018-09-13T04:42:33.56
IV.INTR.HHN. ML:1.9 0.000662 0.66 AML other m 2018-09-13T04:42:33.56
IV.INTR.HNE. ML:1.9 0.000797 0.16 AML other m 2018-09-13T04:42:33.57
IV.INTR.HHE. ML:1.8 0.000574 0.16 AML other m 2018-09-13T04:42:33.49
IV.VVLD.HHN. ML:1.5 0.0002635 0.6 AML other m 2018-09-13T04:42:33.93
IV.VVLD.HHE. ML:1.5 0.0002715 0.32 AML other m 2018-09-13T04:42:34.61
IV.POFI.HHE. ML:1.2 0.000132 1.26 AML other m 2018-09-13T04:42:34.32
IV.POFI.HNE. ML:1.2 0.0001199 1.26 AML other m 2018-09-13T04:42:34.32
IV.POFI.HNN. ML:1.2 0.000118 1.06 AML other m 2018-09-13T04:42:35.66
IV.POFI.HHN. ML:1.2 0.0001229 1.62 AML other m 2018-09-13T04:42:37.86
IV.LPEL.HHN. ML:1.4 8.84E-5 0.46 AML other m 2018-09-13T04:42:40.46
IV.CERA.HHN. ML:1.5 0.0001425 0.4 AML other m 2018-09-13T04:42:40.91
IV.LPEL.HHE. ML:1.3 7.955E-5 0.18 AML other m 2018-09-13T04:42:41.23
IV.CERA.HHE. ML:1.4 0.00010265 0.66 AML other m 2018-09-13T04:42:42.70
IV.T0110.HHN. ML:1.6 0.0001375 0.26 AML other m 2018-09-13T04:42:43.29
IV.T0110.HHE. ML:1.6 0.0001435 0.48 AML other m 2018-09-13T04:42:44.68
IV.VCEL.EHN. ML:1.6 8.565E-5 0.38 AML other m 2018-09-13T04:42:47.40
IV.VCEL.EHE. ML:1.6 8.435E-5 0.42 AML other m 2018-09-13T04:42:48.28
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