Earthquake with magnitude of ML 1.1 on date 03-08-2020 and time 19:30:07 (Italy) in region 3 km S Cerreto di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km S Cerreto di Spoleto (PG), on

  • 03-08-2020 17:30:07 (UTC)
  • 03-08-2020 19:30:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7950, 12.9220 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
Cerreto di Spoleto PG 3 1075 1075
Vallo di Nera PG 6 364 1439
Poggiodomo PG 9 117 1556
Sant'Anatolia di Narco PG 10 564 2120
Sellano PG 11 1079 3199
Cascia PG 11 3217 6416
Scheggino PG 12 461 6877
Campello sul Clitunno PG 12 2442 9319
Preci PG 14 724 10043
Norcia PG 14 4957 15000
Monteleone di Spoleto PG 16 599 15599
Spoleto PG 16 38218 53817
Trevi PG 17 8469 62286

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 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 1.1 2020-08-03
17:30:07
42.7947 12.9222 11 2020-08-03
17:47:40
Sala Sismica INGV-Roma 81620151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-03 17:30:07 ± 0.05
Latitude 42.7947 ± 0.0018
Longitude 12.9222 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81620151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 81620151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-03 17:47:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IST3.HHZ. 2020-08-03T17:31:57.84 3.0 undecidable manual Sn -5.53 0
IV.EUCT.HNZ. 2020-08-03T17:31:44.01 3.0 undecidable manual Sg 15.72 0
IV.PANTE.HHZ. 2020-08-03T17:31:33.49 3.0 positive manual Pn 1.81 0
GU.CIRO.HHZ. 2020-08-03T17:31:27.23 3.0 undecidable manual Pg 21.59 0
AC.VLO.HHZ. 2020-08-03T17:31:23.15 3.0 undecidable manual Pn -0.58 0
IV.PCN.EHZ. 2020-08-03T17:31:19.58 3.0 undecidable manual Sn 1.78 0
XK.SELL.HHZ. 2020-08-03T17:31:14.35 3.0 negative manual Pn -0.49 0
IV.NDIM.HHZ. 2020-08-03T17:30:59.02 3.0 undecidable manual Sn -2.27 0
IV.PTCC.HHZ. 2020-08-03T17:30:55.74 3.0 undecidable manual Pg 5.33 0
OX.DRE.HHZ. 2020-08-03T17:30:49.41 3.0 undecidable manual Pn 1.64 0
IV.SFI.EHZ. 2020-08-03T17:30:32.70 3.0 undecidable manual Sn 0.62 0
TV.SF04.EHZ. 2020-08-03T17:30:29.92 3.0 undecidable manual Sn 2.44 0
IV.ATCC.EHZ. 2020-08-03T17:30:23.23 0.6 undecidable manual S 332 49.0176 50 0.38 58
IV.MML1.HNZ. 2020-08-03T17:30:19.51 0.6 undecidable manual S 6 35.6421 50 0.24 62
IV.ASSB.HHZ. 2020-08-03T17:30:18.84 0.6 undecidable manual S 322 34.8429 50 -0.23 62
IV.FDMO.HHE. 2020-08-03T17:30:17.77 0.6 undecidable manual S 26 30.0477 50 -0.01 65
IV.ARRO.EHZ. 2020-08-03T17:30:17.03 0.6 undecidable manual S 208 27.0507 50 0.03 65
IV.ATCC.EHZ. 2020-08-03T17:30:16.30 0.3 undecidable manual P 332 49.0176 50 0.03 94
IV.CESI.HNZ. 2020-08-03T17:30:16.02 0.6 undecidable manual S 356 23.3544 50 0.01 66
IT.MTCL.HGZ. 2020-08-03T17:30:15.72 0.6 undecidable manual S 16 22.9548 50 -0.18 64
IV.LNSS.HHZ. 2020-08-03T17:30:15.89 0.6 undecidable manual S 156 23.3544 50 -0.11 65
IV.RM33.EHE. 2020-08-03T17:30:14.88 0.3 undecidable manual P 143 39.627 50 0.05 95
IV.MML1.HNZ. 2020-08-03T17:30:14.19 0.3 undecidable manual P 6 35.6421 50 -0.01 97
IV.NRCA.HHZ. 2020-08-03T17:30:13.97 0.6 undecidable manual S 74 16.1727 124 -0.09 66
IV.ASSB.HHZ. 2020-08-03T17:30:13.88 0.3 undecidable manual P 322 34.8429 50 -0.21 93
IV.FDMO.HHE. 2020-08-03T17:30:13.29 0.3 undecidable manual P 26 30.0477 50 -0.05 97
IV.MMO1.EHZ. 2020-08-03T17:30:13.97 0.3 undecidable manual P 70 34.9428 50 -0.12 95
IV.ARRO.EHZ. 2020-08-03T17:30:12.86 0.3 undecidable manual P 208 27.0507 50 -0.03 98
IV.CESI.HNZ. 2020-08-03T17:30:12.29 0.3 undecidable manual P 356 23.3544 50 -0.03 99
IT.MTCL.HGZ. 2020-08-03T17:30:12.21 0.3 undecidable manual P 16 22.9548 50 -0.05 98
IV.LNSS.HHZ. 2020-08-03T17:30:12.35 0.3 undecidable manual P 156 23.3544 50 0.04 98
IV.MC2.EHE. 2020-08-03T17:30:12.86 0.3 undecidable manual P 59 25.2525 50 0.25 94
IV.GAVE.EHZ. 2020-08-03T17:30:12.64 0.6 undecidable manual S 191 11.5773 133 -0.16 65
IV.NRCA.HHZ. 2020-08-03T17:30:11.22 0.3 undecidable manual P 74 16.1727 124 0.02 100
IV.GAVE.EHZ. 2020-08-03T17:30:10.70 0.3 undecidable manual P 191 11.5773 133 0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.00028261994999999996 0.1408 AML other m 2020-08-03T17:30:13.02
IV.GAVE.EHN. ML:1.3 0.00020756730000000002 0.1792 AML other m 2020-08-03T17:30:13.15
IV.GAVE.HNE. ML:1.4 0.0002526352 0.1536 AML other m 2020-08-03T17:30:13.02
IV.NRCA.HHE. ML:0.9 0.00006912702500000001 0.064 AML other m 2020-08-03T17:30:14.16
IV.NRCA.HHN. ML:0.8 0.000061267575 0.0768 AML other m 2020-08-03T17:30:14.05
IV.LNSS.HHE. ML:1.0 0.000066941345 0.1536 AML other m 2020-08-03T17:30:17.44
IV.LNSS.HHN. ML:1.0 0.000061696495 0.1152 AML other m 2020-08-03T17:30:17.12
IV.ARRO.EHN. ML:0.6 0.000018482672999999998 0.2048 AML other m 2020-08-03T17:30:18.56
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