Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 15-11-2020 and time 01:59:30 (Italy) in region 2 km S Cascia (PG)

A magnitude ML 0.7 earthquake occured in region: 2 km S Cascia (PG), on

  • 15-11-2020 00:59:30 (UTC)
  • 15-11-2020 01:59:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7040, 13.0160 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.

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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
Cascia PG 2 3217 3217
Poggiodomo PG 7 117 3334
Monteleone di Spoleto PG 8 599 3933
Norcia PG 12 4957 8890
Vallo di Nera PG 15 364 9254
Scheggino PG 15 461 9715
Sant'Anatolia di Narco PG 15 564 10279
Cittareale RI 15 482 10761
Cerreto di Spoleto PG 15 1075 11836
Leonessa RI 16 2435 14271
Accumoli RI 19 667 14938
Polino TR 19 233 15171
Preci PG 20 724 15895

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Terni (111501 inhabitants)
38 Km SE of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
57 Km W of Teramo (54892 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
82 Km N of Guidonia Montecelio (88673 inhabitants)
84 Km N of Tivoli (56533 inhabitants)
95 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 0.7 2020-11-15
00:59:30		 42.7035 13.0158 10 2020-11-15
01:29:38		 Sala Sismica INGV-Roma 84738341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-15 00:59:30 ± 0.04
Latitude 42.7035 ± 0.0027
Longitude 13.0158 ± 0.0024
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 84738341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 274
Semi-minor axis of confidence ellipse (meter) 225
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) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
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 17
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 84738341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-15 01:29:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2020-11-15T01:00:50.27 3.0 negative manual Pg 12.75 0
IV.CMPR.HHZ. 2020-11-15T01:00:43.75 3.0 undecidable manual Sn 5.79 0
ST.CARE.EHZ. 2020-11-15T01:00:26.42 3.0 undecidable manual Pg 5.22 0
IV.CMPR.HHZ. 2020-11-15T01:00:03.18 3.0 undecidable manual Pn -0.26 0
IV.ASSB.HHN. 2020-11-15T00:59:45.31 0.6 undecidable manual S 322 47.5191 50 -0.08 46
IV.MML1.EHE. 2020-11-15T00:59:45.15 0.6 undecidable manual S 356 45.621 50 0.26 45
IV.TERO.HHE. 2020-11-15T00:59:45.39 0.6 undecidable manual S 100 48.8178 50 -0.34 44
IV.CPGN.EHZ. 2020-11-15T00:59:43.53 3.0 undecidable manual Pg 0.07 0
IV.MOMA.HHE. 2020-11-15T00:59:43.22 0.6 undecidable manual S 287 37.9287 50 0.38 44
IV.FDMO.HHE. 2020-11-15T00:59:42.61 0.6 undecidable manual S 9 37.4292 50 -0.08 47
IV.CESI.HHE. 2020-11-15T00:59:41.86 0.6 undecidable manual S 345 34.6431 50 -0.09 47
IV.MMO1.EHZ. 2020-11-15T00:59:41.65 0.6 undecidable manual S 49 33.3444 50 0.04 48
IV.MC2.EHZ. 2020-11-15T00:59:40.14 0.6 undecidable manual S 31 27.0507 50 0.22 47
IV.SMA1.EHZ. 2020-11-15T00:59:40.03 0.6 undecidable manual S 107 27.2505 50 0.04 48
IV.T1299.EHE. 2020-11-15T00:59:39.20 0.6 undecidable manual S 109 23.0547 114 0.4 45
IV.TERO.HHE. 2020-11-15T00:59:38.97 0.1 undecidable manual P 100 48.8178 50 -0.14 91
IV.ASSB.HHN. 2020-11-15T00:59:38.68 0.3 undecidable manual P 322 47.5191 50 -0.23 67
IV.MML1.EHE. 2020-11-15T00:59:38.78 1.0 undecidable manual P 356 45.621 50 0.16 23
IV.MOMA.HHE. 2020-11-15T00:59:37.32 0.3 undecidable manual P 287 37.9287 50 -0.12 70
IV.CESI.HHE. 2020-11-15T00:59:37.12 0.3 undecidable manual P 345 34.6431 50 0.19 69
IV.FDMO.HHE. 2020-11-15T00:59:37.41 0.1 undecidable manual P 9 37.4292 50 0.06 95
IV.MMO1.EHZ. 2020-11-15T00:59:36.51 0.3 undecidable manual P 49 33.3444 50 -0.22 69
IV.NRCA.HHZ. 2020-11-15T00:59:36.71 0.3 undecidable manual S 29 16.4724 122 -0.08 73
IV.MC2.EHZ. 2020-11-15T00:59:35.73 0.3 undecidable manual P 31 27.0507 50 -0.02 73
IV.SMA1.EHZ. 2020-11-15T00:59:35.85 0.1 undecidable manual P 107 27.2505 50 0.06 96
IV.LNSS.HHZ. 2020-11-15T00:59:35.40 0.3 undecidable manual S 170 11.3775 132 0.05 75
IV.T1299.EHE. 2020-11-15T00:59:35.09 0.1 undecidable manual P 109 23.0547 114 -0.02 98
IV.GAVE.EHZ. 2020-11-15T00:59:34.88 0.3 undecidable manual S 263 9.9789 136 -0.14 73
IV.LNSS.HHZ. 2020-11-15T00:59:33.13 0.1 undecidable manual P 170 11.3775 132 0.01 100
IV.NRCA.HHZ. 2020-11-15T00:59:33.94 0.1 negative manual P 29 16.4724 122 -0.01 99
IV.GAVE.EHZ. 2020-11-15T00:59:32.97 0.1 positive manual P 263 9.9789 136 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0.8 0.0000899 1.86 AML other m 2020-11-15T00:59:34.97
IV.GAVE.EHN. ML:0.7 0.0000592 1.2 AML other m 2020-11-15T00:59:35.01
IV.LNSS.HHE. ML:0.5 0.000040400000000000006 0.16 AML other m 2020-11-15T00:59:35.91
IV.LNSS.HHN. ML:0.5 0.00003924999999999999 0.08 AML other m 2020-11-15T00:59:35.97
IV.NRCA.HHE. ML:0.8 0.000049600000000000006 1.86 AML other m 2020-11-15T00:59:36.93
IV.NRCA.HHN. ML:0.5 0.0000279 1.24 AML other m 2020-11-15T00:59:37.16
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