Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 02-09-2020 and time 09:24:33 (Italy) in region 3 km NW Cascia (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km NW Cascia (PG), on

  • 02-09-2020 07:24:33 (UTC)
  • 02-09-2020 09:24:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7460, 12.9980 at 10 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
Cascia PG 3 3217 3217
Poggiodomo PG 6 117 3334
Norcia PG 10 4957 8291
Cerreto di Spoleto PG 11 1075 9366
Monteleone di Spoleto PG 11 599 9965
Vallo di Nera PG 11 364 10329
Sant'Anatolia di Narco PG 13 564 10893
Scheggino PG 14 461 11354
Preci PG 15 724 12078
Sellano PG 17 1079 13157
Cittareale RI 19 482 13639
Campello sul Clitunno PG 20 2442 16081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SE of Foligno (57155 inhabitants)
35 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
59 Km W of Teramo (54892 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
82 Km E of Viterbo (67173 inhabitants)
86 Km N of Guidonia Montecelio (88673 inhabitants)
88 Km N of Tivoli (56533 inhabitants)
98 Km W of Montesilvano (53738 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 1.5 2020-09-02
07:24:33		 42.7458 12.9978 11 2021-02-26
14:55:54		 Bollettino Sismico Italiano INGV 82618621
Reviewed
Rev100 		ML 1.5 2020-09-02
07:24:33		 42.7443 12.9968 10 2020-09-02
07:37:56		 Sala Sismica INGV-Roma 82556281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-02 07:24:33 ± 0.04
Latitude 42.7458 ± 0.0018
Longitude 12.9978 ± 0.0024
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82618621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 204
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58816
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 82618621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-04 12:07:25

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 82556281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-02 07:37:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CIMO.HHZ. 2020-09-02T07:26:22.65 3.0 undecidable manual Sg 10.8 0
IV.EPOZ.HNZ. 2020-09-02T07:25:57.57 3.0 undecidable manual Pn 4.54 0
IV.NDIM.HNZ. 2020-09-02T07:25:56.91 3.0 undecidable manual Sg 8.51 0
GU.LSD.HHZ. 2020-09-02T07:25:50.52 3.0 undecidable manual Pn 1.98 0
IV.SARZ.HHZ. 2020-09-02T07:25:42.89 3.0 undecidable manual Pg 13.33 0
IV.QLNO.HHZ. 2020-09-02T07:25:40.91 3.0 negative manual Pg 10.03 0
XK.GIZZ.HHZ. 2020-09-02T07:25:38.53 3.0 negative manual Pn -2.72 0
IV.PTRJ.HHZ. 2020-09-02T07:25:25.76 3.0 undecidable manual Sn -2.51 0
RD.PGF.BHZ. 2020-09-02T07:25:19.96 3.0 positive manual Pn -0.32 0
GU.GSCL.HHZ. 2020-09-02T07:25:16.96 3.0 undecidable manual Pg 4.75 0
IV.VULT.HHZ. 2020-09-02T07:25:16.26 3.0 positive manual Pn 0.15 0
IV.PE3.EHZ. 2020-09-02T07:25:07.90 3.0 undecidable manual S -1.04 0
IV.FIR.HHZ. 2020-09-02T07:25:04.60 3.0 undecidable manual Pg 2.53 0
IT.LRNO.HNZ. 2020-09-02T07:25:03.84 3.0 undecidable manual Pn 0.7 0
IV.VVLD.HHZ. 2020-09-02T07:25:03.65 3.0 undecidable manual S -4.81 0
IV.PE3.EHZ. 2020-09-02T07:24:50.71 3.0 positive manual P -2.74 0
IV.CSP1.EHZ. 2020-09-02T07:24:47.47 0.3 undecidable manual S 24 41.9247 50 0.25 69
IV.ASSB.HHZ. 2020-09-02T07:24:47.73 0.3 undecidable manual S 320 42.9237 50 0.24 69
IV.MOMA.HHZ. 2020-09-02T07:24:45.46 0.3 undecidable manual S 281 35.4423 50 -0.03 73
IV.EL6.EHZ. 2020-09-02T07:24:45.12 0.1 undecidable manual P 7 65.2902 50 0.12 90
IV.CESX.HHE. 2020-09-02T07:24:45.85 0.1 undecidable manual S 246 36.8298 50 -0.01 97
IV.RM33.EHZ. 2020-09-02T07:24:44.33 0.1 undecidable manual S 146 31.6461 50 -0.16 95
IV.FDMO.HHZ. 2020-09-02T07:24:44.74 0.1 undecidable manual S 13 33.0447 50 -0.12 96
IV.MMO1.EHZ. 2020-09-02T07:24:44.25 0.1 undecidable manual S 57 31.746 50 -0.25 93
IV.SMA1.EHZ. 2020-09-02T07:24:44.37 0.3 undecidable manual S 115 30.3474 50 0.24 70
IV.ATCC.EHZ. 2020-09-02T07:24:43.84 0.1 undecidable manual P 329 56.6988 50 0.16 91
IV.CESI.HHZ. 2020-09-02T07:24:43.87 0.1 undecidable manual S 345 29.748 50 -0.1 97
IV.MC2.EHZ. 2020-09-02T07:24:42.38 0.1 undecidable manual S 40 24.0537 50 -0.08 98
IV.ARRO.EHZ. 2020-09-02T07:24:42.74 0.3 undecidable manual S 226 26.4513 50 -0.36 69
IV.TERO.HHZ. 2020-09-02T07:24:42.70 0.3 undecidable manual P 105 51.3153 50 -0.14 69
IV.CSP1.EHZ. 2020-09-02T07:24:41.53 0.1 undecidable manual P 24 41.9247 50 0.13 94
IV.MML1.HNE. 2020-09-02T07:24:41.18 0.1 undecidable manual P 357 40.8258 50 -0.05 96
IV.ASSB.HHZ. 2020-09-02T07:24:41.55 0.1 undecidable manual P 320 42.9237 50 0 96
IV.CESX.HHE. 2020-09-02T07:24:40.63 0.3 undecidable manual P 246 36.8298 50 0.02 73
IV.LNSS.HHZ. 2020-09-02T07:24:40.05 0.1 undecidable manual S 168 16.2726 123 -0.09 99
IV.MOMA.HHZ. 2020-09-02T07:24:40.39 0.1 undecidable manual P 281 35.4423 50 0 98
IV.SMA1.EHZ. 2020-09-02T07:24:39.76 0.1 undecidable manual P 115 30.3474 50 0.15 96
IV.RM33.EHZ. 2020-09-02T07:24:39.82 0.1 undecidable manual P 146 31.6461 50 0 98
IV.NRCA.HHZ. 2020-09-02T07:24:39.15 0.1 undecidable manual S 44 13.5753 128 -0.24 97
IV.FDMO.HHZ. 2020-09-02T07:24:39.97 0.1 positive manual P 13 33.0447 50 -0.06 97
IV.T1299.HNN. 2020-09-02T07:24:39.20 0.1 undecidable manual P 118 26.2515 50 0.21 95
IV.ARRO.EHZ. 2020-09-02T07:24:39.02 0.1 undecidable manual P 226 26.4513 50 0 99
IV.MMO1.EHZ. 2020-09-02T07:24:39.89 0.1 undecidable manual P 57 31.746 50 0.06 97
IV.CESI.HHZ. 2020-09-02T07:24:39.51 0.1 undecidable manual P 345 29.748 50 -0.01 99
IV.MTRA.EHZ. 2020-09-02T07:24:39.89 0.1 undecidable manual P 88 32.5452 50 -0.05 97
IV.GAVE.EHZ. 2020-09-02T07:24:38.37 0.1 undecidable manual S 235 10.2786 135 -0.17 99
IV.MC2.EHZ. 2020-09-02T07:24:38.80 0.3 undecidable manual P 40 24.0537 50 0.15 72
IV.FEMA.HNE. 2020-09-02T07:24:38.97 0.6 undecidable manual P 10 24.3534 50 0.28 47
IT.MTCL.HGZ. 2020-09-02T07:24:38.80 0.1 undecidable manual P 0 27.5502 50 -0.38 92
IV.LNSS.HHZ. 2020-09-02T07:24:37.41 0.1 positive manual P 168 16.2726 123 0.1 99
IV.GAVE.EHZ. 2020-09-02T07:24:36.72 0.1 undecidable manual P 235 10.2786 135 0.34 95
IV.NRCA.HHZ. 2020-09-02T07:24:36.95 0.1 undecidable manual P 44 13.5753 128 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.HNE. ML:2.0 0.0012549999999999998 1.44 AML other m 2020-09-02T07:24:38.08
IV.GAVE.EHE. ML:2.0 0.0011749999999999998 1.44 AML other m 2020-09-02T07:24:38.80
IV.GAVE.HNN. ML:1.6 0.000486 1.72 AML other m 2020-09-02T07:24:39.88
IV.GAVE.EHN. ML:2.1 0.0016 1.72 AML other m 2020-09-02T07:24:39.88
IV.NRCA.HNN. ML:1.8 0.0006770000000000001 0.1 AML other m 2020-09-02T07:24:39.38
IV.NRCA.HHN. ML:1.8 0.000717 0.62 AML other m 2020-09-02T07:24:39.14
IV.NRCA.HHE. ML:1.8 0.0006979999999999999 0.84 AML other m 2020-09-02T07:24:39.79
IV.NRCA.HNE. ML:1.8 0.000616 0.16 AML other m 2020-09-02T07:24:39.87
IV.LNSS.HHN. ML:1.6 0.000365 0.12 AML other m 2020-09-02T07:24:40.45
IV.LNSS.HHE. ML:1.8 0.00048750000000000003 0.48 AML other m 2020-09-02T07:24:40.41
IV.ARRO.EHE. ML:1.4 0.0001255 1.8 AML other m 2020-09-02T07:24:43.08
IV.ARRO.EHN. ML:1.2 0.00008010000000000001 1.38 AML other m 2020-09-02T07:24:43.12
IV.CESI.HHE. ML:1.1 0.0000654 0.12 AML other m 2020-09-02T07:24:44.12
IV.CESI.HHN. ML:1.4 0.0001265 0.2 AML other m 2020-09-02T07:24:44.21
IV.RM33.EHE. ML:1.6 0.00016049999999999997 0.22 AML other m 2020-09-02T07:24:44.87
IV.RM33.EHN. ML:1.5 0.00014250000000000002 1.84 AML other m 2020-09-02T07:24:45.92
IV.FDMO.HHN. ML:1.1 0.00005375 1.82 AML other m 2020-09-02T07:24:45.94
IV.SMA1.EHN. ML:1.4 0.000125 0.32 AML other m 2020-09-02T07:24:45.35
IV.FDMO.HHE. ML:1.2 0.00006120000000000001 0.74 AML other m 2020-09-02T07:24:45.97
IV.SMA1.EHE. ML:1.4 0.000113 0.62 AML other m 2020-09-02T07:24:47.02
IV.ASSB.HHN. ML:1.4 0.00008235000000000001 0.2 AML other m 2020-09-02T07:24:49.61
IV.ASSB.HHE. ML:1.4 0.00007165 0.16 AML other m 2020-09-02T07:24:49.66
IV.TERO.HHN. ML:1.1 0.000033549999999999996 0.22 AML other m 2020-09-02T07:24:50.58
IV.TERO.HHE. ML:1.0 0.000025050000000000002 0.28 AML other m 2020-09-02T07:24:50.92
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