Earthquake with magnitude of ML 0.8 on date 13-05-2021 and time 06:11:41 (UTC) in region 3 km E Cerreto di Spoleto (PG)

A magnitude ML 0.8 earthquake occured in region: 3 km E Cerreto di Spoleto (PG), on

  • 13-05-2021 06:11:41 (UTC)
  • 13-05-2021 08:11:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8280, 12.9560 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
Sellano PG 7 1079 2154
Preci PG 9 724 2878
Vallo di Nera PG 10 364 3242
Norcia PG 12 4957 8199
Poggiodomo PG 13 117 8316
Cascia PG 13 3217 11533
Sant'Anatolia di Narco PG 14 564 12097
Campello sul Clitunno PG 15 2442 14539
Visso MC 16 1107 15646
Scheggino PG 16 461 16107
Trevi PG 18 8469 24576
Castelsantangelo sul Nera MC 18 281 24857
Monte Cavallo MC 19 145 25002
Monteleone di Spoleto PG 20 599 25601
Ussita MC 20 444 26045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
94 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
99 Km SW of Ancona (100861 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 0.8 2021-05-13
06:11:41
42.828 12.9558 11 2021-05-13
06:47:15
Sala Sismica INGV-Roma 90043131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-13 06:11:41 ± 0.04
Latitude 42.8280 ± 0.0018
Longitude 12.9558 ± 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 90043131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 238
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22933
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 90043131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-13 06:47:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PZUN.HHZ. 2021-05-13T06:12:43.05 3.0 undecidable manual Pg 18.690001 0
IV.ERC.EHZ. 2021-05-13T06:12:42.21 3.0 undecidable manual Pn -0.83 0
IV.SPS2.HHZ. 2021-05-13T06:12:39.44 3.0 negative manual Pn -3.39 0
IV.PTRP.HHZ. 2021-05-13T06:12:36.83 3.0 undecidable manual Pg 9.49 0
IV.VBKN.HHZ. 2021-05-13T06:12:22.74 3.0 negative manual Pg 8.55 0
IV.ARRO.EHZ. 2021-05-13T06:12:20.42 3.0 undecidable manual P 0
IV.PP3.EHZ. 2021-05-13T06:12:20.31 3.0 undecidable manual Sn -2.6 0
IV.ARRO.EHZ. 2021-05-13T06:12:20.60 3.0 undecidable manual Sn -8.73 0
IV.COR1.EHZ. 2021-05-13T06:12:15.45 3.0 undecidable manual Sg 4.52 0
IV.MRLC.HHZ. 2021-05-13T06:12:13.42 3.0 negative manual Pn -7.73 0
IV.MRB1.HHZ. 2021-05-13T06:12:10.63 3.0 negative manual Pn -3.26 0
IV.FDMO.HHZ. 2021-05-13T06:11:50.42 0.3 undecidable manual S 25 25.4523 50 -0.05 74
IV.CESI.HHZ. 2021-05-13T06:11:48.93 0.1 undecidable manual S 348 20.0688 118 -0.05 99
IV.GAVE.EHZ. 2021-05-13T06:11:47.66 0.1 undecidable manual S 198 15.873 124 -0.07 100
IV.NRCA.HHZ. 2021-05-13T06:11:46.84 0.3 undecidable manual S 87 12.876 129 -0.06 75
IV.FDMO.HHZ. 2021-05-13T06:11:46.51 0.1 undecidable manual P 25 25.4523 50 0 99
IV.CESI.HHZ. 2021-05-13T06:11:45.72 0.1 undecidable manual P 348 20.0688 118 0.07 99
IV.GAVE.EHZ. 2021-05-13T06:11:44.98 0.1 undecidable manual P 198 15.873 124 0.05 100
IV.NRCA.HHZ. 2021-05-13T06:11:44.53 0.1 undecidable manual P 87 12.876 129 0.08 100
IV.ATPI.EHZ. 2021-05-13T06:11:28.60 3.0 negative manual Pn -4.12 0
IV.CRTC.HHZ. 2021-05-13T06:11:27.48 3.0 undecidable manual Pn -4.83 0
ST.CARE.EHZ. 2021-05-13T06:11:17.03 3.0 undecidable manual S -1.02 0
IV.IMOL.HNZ. 2021-05-13T06:11:14.38 3.0 negative manual Pg -4.39 0
IV.EUCT.HNZ. 2021-05-13T06:11:02.96 3.0 undecidable manual P -3.99 0
IV.TREG.EHZ. 2021-05-13T06:10:59.46 3.0 negative manual P -2.88 0
IV.MNTV.EHZ. 2021-05-13T06:10:56.23 3.0 negative manual P -6.07 0
IV.CADC.EHZ. 2021-05-13T06:10:55.81 3.0 undecidable manual S -1.73 0
IV.ZEN8.EHZ. 2021-05-13T06:10:52.54 3.0 undecidable manual P -2.99 0
IV.VOBA.EHZ. 2021-05-13T06:10:50.11 3.0 positive manual P -1.91 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.7 0.000053916585000000004 0.0608 AML other m 2021-05-13T06:11:47.07
IV.NRCA.HHE. ML:0.9 0.0000761492 0.0832 AML other m 2021-05-13T06:11:46.92
IV.GAVE.EHN. ML:0.9 0.00006615 1.38 AML other m 2021-05-13T06:11:48.78
IV.GAVE.EHE. ML:1.0 0.00008555 0.26 AML other m 2021-05-13T06:11:48.26
IV.CESI.HHN. ML:0.8 0.0000436 0.42 AML other m 2021-05-13T06:11:49.24
IV.CESI.HHE. ML:0.7 0.000040400000000000006 1.48 AML other m 2021-05-13T06:11:49.20
IV.FDMO.HHN. ML:0.0 0.000035102335 0.1216 AML other m 2021-05-13T06:11:50.84
IV.FDMO.HHE. ML:0.0 0.000045849885 0.2016 AML other m 2021-05-13T06:11:50.58
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