Earthquake with magnitude of ML 1.3 on date 10-04-2021 and time 00:14:43 (Italy) in region 5 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.3 earthquake occured in region: 5 km SE Cerreto di Spoleto (PG), on

  • 09-04-2021 22:14:43 (UTC)
  • 10-04-2021 00:14:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7780, 12.9450 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 5 1075 1075
Vallo di Nera PG 7 364 1439
Poggiodomo PG 7 117 1556
Cascia PG 9 3217 4773
Sant'Anatolia di Narco PG 10 564 5337
Scheggino PG 12 461 5798
Norcia PG 12 4957 10755
Sellano PG 13 1079 11834
Preci PG 14 724 12558
Monteleone di Spoleto PG 14 599 13157
Campello sul Clitunno PG 15 2442 15599
Spoleto PG 18 38218 53817
Trevi PG 20 8469 62286

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
58 Km SE of Perugia (166134 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
64 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
91 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 1.3 2021-04-09
22:14:43
42.7782 12.9453 11 2021-04-09
22:20:06
Sala Sismica INGV-Roma 88950861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-09 22:14:43 ± 0.03
Latitude 42.7782 ± 0.0009
Longitude 12.9453 ± 0.0025
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88950861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 180
Semi-minor axis of confidence ellipse (meter) 140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36602
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 88950861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-09 22:20:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-04-09T22:14:54.55 3.0 positive manual P -0.11 0
IV.CESX.HHZ. 2021-04-09T22:14:54.75 1.0 undecidable manual S -0.66 0.36
IV.TERO.HHZ. 2021-04-09T22:14:53.85 3.0 positive manual P 0.01 0
IV.CESI.HHZ. 2021-04-09T22:14:52.66 0.6 undecidable manual S 353 25.3524 90 0.09 48
IV.ATCC.EHZ. 2021-04-09T22:14:52.68 3.0 positive manual P -0.07 0
IT.MTCL.HGZ. 2021-04-09T22:14:52.02 0.6 undecidable manual S 10 24.3534 90 -0.26 47
IV.CSP1.EHZ. 2021-04-09T22:14:51.07 0.6 positive manual P 31 40.626 90 0.05 48
IV.LNSS.HHZ. 2021-04-09T22:14:51.27 0.6 undecidable manual S 158 20.9679 90 -0.11 49
IV.ASSB.HHZ. 2021-04-09T22:14:50.37 0.1 positive manual P 322 37.4292 90 -0.16 94
IV.SMA1.EHZ. 2021-04-09T22:14:50.34 1.0 undecidable manual P 117 35.742 90 0.08 24
IV.MMO1.EHZ. 2021-04-09T22:14:50.05 0.6 negative manual P 66 33.8439 90 0.08 48
IV.RM33.EHZ. 2021-04-09T22:14:50.54 0.6 negative manual P 144 37.0296 90 0.07 48
IV.FDMO.HHZ. 2021-04-09T22:14:49.50 0.1 positive manual P 22 30.8469 90 -0.01 98
IT.FOPC.HGZ. 2021-04-09T22:14:49.24 0.6 undecidable manual P 317 28.9488 90 0.02 49
IV.MOMA.HNZ. 2021-04-09T22:14:49.60 0.3 undecidable manual P 275 30.6471 90 0.12 72
IV.NRCA.HHZ. 2021-04-09T22:14:49.68 0.6 undecidable manual S 66 15.0738 90 -0.13 49
IT.MTCL.HGZ. 2021-04-09T22:14:48.42 0.3 undecidable manual P 10 24.3534 90 -0.08 74
IV.GAVE.EHZ. 2021-04-09T22:14:48.51 0.3 undecidable manual S 204 10.3785 117 -0.1 75
IV.ARRO.EHZ. 2021-04-09T22:14:48.83 0.1 positive manual P 214 26.4513 90 -0.01 99
IV.CESI.HHZ. 2021-04-09T22:14:48.69 0.1 positive manual P 353 25.3524 90 0.02 99
IV.MC2.EHZ. 2021-04-09T22:14:48.81 0.6 negative manual P 53 24.753 90 0.25 47
IV.NRCA.HHZ. 2021-04-09T22:14:47.13 0.1 negative manual P 66 15.0738 90 0.06 100
IV.LNSS.HHZ. 2021-04-09T22:14:47.99 0.1 positive manual P 158 20.9679 90 0.01 100
IV.GAVE.EHZ. 2021-04-09T22:14:46.55 0.1 positive manual P 204 10.3785 117 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.8 0.0007173833 0.2048 AML other m 2021-04-09T22:14:49.07
IV.GAVE.EHE. ML:1.9 0.0010260555499999999 0.1664 AML other m 2021-04-09T22:14:48.89
IV.LNSS.HHN. ML:1.4 0.00017503659999999998 0.1536 AML other m 2021-04-09T22:14:52.57
IV.LNSS.HHE. ML:1.6 0.00029749999999999997 0.14 AML other m 2021-04-09T22:14:51.89
IV.CESI.HHN. ML:1.2 0.000080326235 0.3712 AML other m 2021-04-09T22:14:55.13
IV.CESI.HHE. ML:1.0 0.00005571902500000001 0.2432 AML other m 2021-04-09T22:14:53.68
IV.FDMO.HHN. ML:1.2 0.00007905000000000001 0.2 AML other m 2021-04-09T22:14:54.47
IV.FDMO.HHE. ML:1.4 0.000108649405 0.1792 AML other m 2021-04-09T22:14:54.24
IV.ARRO.EHE. ML:1.0 0.00005035039 0.2944 AML other m 2021-04-09T22:14:54.70
IV.ARRO.EHN. ML:1.1 0.00006434999999999999 1.32 AML other m 2021-04-09T22:14:55.74
IV.RM33.EHN. ML:1.3 0.00006857497 0.1024 AML other m 2021-04-09T22:14:56.29
IV.RM33.EHE. ML:1.3 0.00007225744500000001 0.192 AML other m 2021-04-09T22:14:57.54
IV.SMA1.EHN. ML:0.0 0.00004569468 0.3968 AML other m 2021-04-09T22:15:00.97
IV.ASSB.HHN. ML:1.1 0.000045412415 0.0896 AML other m 2021-04-09T22:14:56.40
IV.ASSB.HHE. ML:1.0 0.00003957811 0.1024 AML other m 2021-04-09T22:14:57.25
IV.SMA1.EHE. ML:0.0 0.00005475 0.3 AML other m 2021-04-09T22:14:58.41
IV.ATCC.EHN. ML:1.3 0.00005268432 0.256 AML other m 2021-04-09T22:15:01.50
IV.TERO.HHE. ML:0.6 0.000012017251 0.128 AML other m 2021-04-09T22:15:03.28
IV.ATCC.EHE. ML:1.2 0.000042132835 0.1408 AML other m 2021-04-09T22:15:01.68
IV.TERO.HHN. ML:0.6 0.0000118197225 0.1024 AML other m 2021-04-09T22:15:03.22
IV.GAVE.HNE. ML:1.9 0.0009498492 0.1664 AML other m 2021-04-09T22:14:48.89
IV.GAVE.HNN. ML:1.3 0.00022579195 0.0768 AML other m 2021-04-09T22:14:48.93
IV.LNSS.HNE. ML:1.6 0.00026210089999999996 0.1408 AML other m 2021-04-09T22:14:51.89
IV.LNSS.HNN. ML:1.4 0.0001709437 0.1408 AML other m 2021-04-09T22:14:51.66
IV.CESI.HNE. ML:1.1 0.000074776535 0.2432 AML other m 2021-04-09T22:14:53.69
IV.CESI.HNN. ML:1.4 0.00014081895 0.384 AML other m 2021-04-09T22:14:53.98
IV.RM33.HNE. ML:1.8 0.00021084950000000002 0.6912 AML other m 2021-04-09T22:14:53.61
IV.RM33.HNN. ML:1.4 0.000104877295 0.768 AML other m 2021-04-09T22:14:51.62
IV.CSP1.EHE. ML:1.2 0.000052428165 0.2048 AML other m 2021-04-09T22:14:58.36
IV.CSP1.EHN. ML:1.3 0.00006754688299999999 0.2176 AML other m 2021-04-09T22:14:58.68
IV.TERO.HNE. ML:1.6 0.000095401405 0.6784 AML other m 2021-04-09T22:15:06.20
IV.TERO.HNN. ML:2.0 0.00022942299999999998 1.0624 AML other m 2021-04-09T22:14:55.64
IV.EL6.EHE. ML:1.0 0.000022464270000000002 0.1152 AML other m 2021-04-09T22:15:04.73
IV.EL6.EHN. ML:1.3 0.000034134655 0.1664 AML other m 2021-04-09T22:15:05.36
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