Earthquake with magnitude of ML 1.3 on date 03-12-2017 and time 20:46:19 (UTC) in region 2 km SW Cascia (PG)

A magnitude ML 1.3 earthquake occured in region: 2 km SW Cascia (PG), on

  • 03-12-2017 20:46:19 (UTC)
  • 03-12-2017 21:46:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7010, 13.0050 at 10 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
Cascia PG 2 3217 3217
Poggiodomo PG 6 117 3334
Monteleone di Spoleto PG 7 599 3933
Norcia PG 13 4957 8890
Vallo di Nera PG 14 364 9254
Scheggino PG 14 461 9715
Sant'Anatolia di Narco PG 14 564 10279
Cerreto di Spoleto PG 15 1075 11354
Cittareale RI 16 482 11836
Leonessa RI 16 2435 14271
Polino TR 18 233 14504
Ferentillo TR 20 1913 16417
Accumoli RI 20 667 17084
Preci PG 20 724 17808

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Terni (111501 inhabitants)
38 Km SE of Foligno (57155 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
57 Km W of Teramo (54892 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
81 Km N of Guidonia Montecelio (88673 inhabitants)
84 Km N of Tivoli (56533 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
100 Km NE 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
Reviewed
Rev100
ML 1.3 2017-12-03
20:46:19
42.7012 13.0052 10 2017-12-03
20:54:06
Sala Sismica INGV-Roma 52317231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-03 20:46:19 ± 0.06
Latitude 42.7012 ± 0.0027
Longitude 13.0052 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 52317231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 336
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.25271
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:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 52317231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-03 20:54:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2017-12-03T20:46:30.13 0.3 undecidable manual S 106 28.0497 50 0.36 67
IV.RM33.EHZ. 2017-12-03T20:46:29.36 0.1 undecidable manual S 141 27.3504 50 -0.22 93
IV.T1221.EHZ. 2017-12-03T20:46:27.77 0.1 undecidable manual S 324 21.867 115 -0.19 94
IV.NRCA.HNZ. 2017-12-03T20:46:26.44 0.1 undecidable manual S 31 17.1717 121 -0.09 97
IV.RM33.EHZ. 2017-12-03T20:46:25.18 0.1 undecidable manual P 141 27.3504 50 -0.18 93
IV.SMA1.EHZ. 2017-12-03T20:46:25.49 0.1 undecidable manual P 106 28.0497 50 0.02 96
IV.LNSS.HHZ. 2017-12-03T20:46:24.72 0.1 undecidable manual S 165 11.2776 132 -0.15 97
IV.ARRO.EHZ. 2017-12-03T20:46:24.83 0.1 undecidable manual P 235 23.754 113 0.04 97
IV.T1221.EHZ. 2017-12-03T20:46:24.46 0.1 undecidable manual P 324 21.867 115 0.03 97
OB.GAVE.EHZ. 2017-12-03T20:46:24.33 0.1 undecidable manual S 264 9.0798 138 0 100
IV.T1299.EHZ. 2017-12-03T20:46:24.78 0.1 undecidable manual P 108 23.754 113 -0.01 97
IV.NRCA.HNZ. 2017-12-03T20:46:23.68 0.1 undecidable manual P 31 17.1717 121 0.08 97
OB.GAVE.EHZ. 2017-12-03T20:46:22.56 0.1 positive manual P 264 9.0798 138 0.23 95
IV.LNSS.HHZ. 2017-12-03T20:46:22.78 0.1 positive manual P 165 11.2776 132 0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.1 0.00013550000000000001 0.12 AML other m 2017-12-03T20:46:24.90
OB.GAVE.EHN. ML:1.4 0.0003145 0.8 AML other m 2017-12-03T20:46:24.08
IV.LNSS.HHE. ML:1.1 0.00014150000000000002 1.18 AML other m 2017-12-03T20:46:25.69
OB.GAVE.HNE. ML:1.4 0.00032194685 0.17 AML other m 2017-12-03T20:46:24.46
OB.GAVE.EHE. ML:1.4 0.0003285 0.16 AML other m 2017-12-03T20:46:24.38
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