Earthquake with magnitude of ML 1.3 on date 13-05-2021 and time 19:31:18 (Italy) in region 4 km N Castel Ritaldi (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km N Castel Ritaldi (PG), on

  • 13-05-2021 17:31:18 (UTC)
  • 13-05-2021 19:31:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8590, 12.6730 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castel Ritaldi PG 4 3278 3278
Montefalco PG 4 5679 8957
Trevi PG 7 8469 17426
Giano dell'Umbria PG 8 3846 21272
Campello sul Clitunno PG 10 2442 23714
Bevagna PG 10 5081 28795
Gualdo Cattaneo PG 11 6155 34950
Foligno PG 11 57155 92105
Spoleto PG 15 38218 130323
Spello PG 15 8645 138968
Massa Martana PG 15 3770 142738
Cannara PG 17 4305 147043
Vallo di Nera PG 18 364 147407
Sant'Anatolia di Narco PG 19 564 147971
Collazzone PG 20 3473 151444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Foligno (57155 inhabitants)
33 Km N of Terni (111501 inhabitants)
36 Km SE of Perugia (166134 inhabitants)
68 Km NE of Viterbo (67173 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
87 Km W of Teramo (54892 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
100 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 2021-05-13
17:31:18
42.8593 12.6727 10 2021-05-13
17:43:23
Sala Sismica INGV-Roma 90060371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-13 17:31:18 ± 0.06
Latitude 42.8593 ± 0.0036
Longitude 12.6727 ± 0.0074
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 90060371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 566
Semi-minor axis of confidence ellipse (meter) 295
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52970
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.6
Num. used stations 24
Type of magnitude ML
Reference to an origin 90060371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-13 17:43:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2021-05-13T17:33:08.89 3.0 undecidable manual Sg 16.059999 0
IV.SARZ.HHZ. 2021-05-13T17:32:58.80 3.0 undecidable manual Sg 8.04 0
IV.PZUN.HHZ. 2021-05-13T17:32:46.06 3.0 undecidable manual Sn -0.91 0
IV.TDS.HHZ. 2021-05-13T17:32:15.76 3.0 positive manual Pn -6.34 0
IV.ORZI.HHZ. 2021-05-13T17:32:14.24 3.0 negative manual Pg 7.59 0
IT.PLTA.HNZ. 2021-05-13T17:32:08.74 3.0 undecidable manual Sn -3.26 0
IV.IMOL.HNZ. 2021-05-13T17:32:06.98 3.0 undecidable manual Sg 2.28 0
IV.CAFE.HHZ. 2021-05-13T17:32:00.30 3.0 undecidable manual Pn 0.16 0
IV.VENL.HNZ. 2021-05-13T17:31:56.27 3.0 undecidable manual Pg 0.99 0
IV.BSSO.HHZ. 2021-05-13T17:31:52.80 3.0 undecidable manual Pg 2.34 0
IV.CAVE.HHZ. 2021-05-13T17:31:50.32 3.0 positive manual Pn -3.82 0
TV.SF04.EHZ. 2021-05-13T17:31:47.53 3.0 undecidable manual Sn -4.51 0
IV.PP3.EHZ. 2021-05-13T17:31:36.56 3.0 undecidable manual Sn -0.87 0
IV.CSP1.EHZ. 2021-05-13T17:31:32.69 3.0 undecidable manual Sg 6.51 0
IV.FDMO.HHZ. 2021-05-13T17:31:30.88 0.3 undecidable manual S 60 39.0276 50 -0.31 69
IV.ATCC.HNE. 2021-05-13T17:31:30.67 0.3 undecidable manual S 356 36.2415 50 0.22 70
IV.RM33.EHZ. 2021-05-13T17:31:28.93 0.1 undecidable manual P 131 58.7967 50 0.22 90
IV.CESX.HHE. 2021-05-13T17:31:28.34 0.3 undecidable manual S 194 28.6491 50 -0.1 73
IV.CRTC.HHZ. 2021-05-13T17:31:27.36 3.0 positive manual P -3.73 0
IV.CESI.HHZ. 2021-05-13T17:31:27.32 0.3 undecidable manual S 49 24.8529 112 -0.07 74
IV.GAVE.HNZ. 2021-05-13T17:31:27.29 0.3 undecidable manual S 136 25.8519 50 -0.39 69
IV.FDMO.HHZ. 2021-05-13T17:31:25.76 0.1 undecidable manual P 60 39.0276 50 0.11 96
IV.ASSB.HHE. 2021-05-13T17:31:25.93 0.1 undecidable manual S 357 20.3685 116 -0.05 100
IV.NRCA.HHZ. 2021-05-13T17:31:25.26 0.1 undecidable manual P 94 36.0417 50 0.06 97
IV.CESX.HHE. 2021-05-13T17:31:24.06 0.1 undecidable manual P 194 28.6491 50 -0.01 99
IV.ATCC.HNE. 2021-05-13T17:31:24.97 0.1 undecidable manual P 356 36.2415 50 -0.26 93
IV.ARRO.EHZ. 2021-05-13T17:31:24.65 0.1 undecidable manual P 166 31.9458 50 0.07 97
IV.CESI.HHZ. 2021-05-13T17:31:23.53 0.1 undecidable manual P 49 24.8529 112 0.07 99
IV.GAVE.HNZ. 2021-05-13T17:31:23.90 0.1 undecidable manual P 136 25.8519 50 0.27 95
IV.MOMA.HHZ. 2021-05-13T17:31:22.86 0.3 undecidable manual S 234 10.3785 134 -0.25 73
IV.ASSB.HHE. 2021-05-13T17:31:22.69 0.1 undecidable manual P 357 20.3685 116 0.04 100
IT.GNU.HGE. 2021-05-13T17:31:22.98 0.6 undecidable manual S 234 10.3785 134 -0.13 50
IT.GNU.HGE. 2021-05-13T17:31:21.46 0.1 undecidable manual P 234 10.3785 134 0.47 93
IV.MOMA.HHZ. 2021-05-13T17:31:20.78 0.1 undecidable manual P 234 10.3785 134 -0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.000033451655 0.0896 AML other m 2021-05-13T17:31:31.97
IV.NRCA.HHE. ML:0.0 0.000030732145 0.1024 AML other m 2021-05-13T17:31:33.22
IV.CESI.HHE. ML:0.5 0.00002228014 0.1408 AML other m 2021-05-13T17:31:28.22
IV.CESI.HHN. ML:0.8 0.00003545917 0.2816 AML other m 2021-05-13T17:31:30.34
IV.CESI.HNE. ML:1.3 0.00012981628 0.7168 AML other m 2021-05-13T17:31:26.91
IV.CESI.HNN. ML:1.4 0.00014642035500000002 0.8576 AML other m 2021-05-13T17:31:23.58
IV.GAVE.EHE. ML:0.8 0.000035596205 0.192 AML other m 2021-05-13T17:31:31.75
IV.GAVE.EHN. ML:0.7 0.000028055564999999997 0.1408 AML other m 2021-05-13T17:31:29.32
IV.GAVE.HNE. ML:2.7 0.00279219415 0.6912 AML other m 2021-05-13T17:31:25.32
IV.GAVE.HNN. ML:2.3 0.00128285255 1.2416 AML other m 2021-05-13T17:31:25.52
IV.ARRO.EHE. ML:0.8 0.000027819165 0.2176 AML other m 2021-05-13T17:31:30.03
IV.ARRO.EHN. ML:0.8 0.00002344185 0.192 AML other m 2021-05-13T17:31:33.10
IV.NRCA.HNE. ML:1.6 0.000164156005 1.664 AML other m 2021-05-13T17:31:42.31
IV.NRCA.HNN. ML:1.7 0.0001870898437 0.8448 AML other m 2021-05-13T17:31:43.19
IV.FDMO.HHE. ML:0.6 0.000014252736499999998 0.2176 AML other m 2021-05-13T17:31:32.00
IV.FDMO.HHN. ML:0.6 0.000014638105 0.1408 AML other m 2021-05-13T17:31:31.72
IV.RM33.EHE. ML:1.1 0.000025485254999999998 0.6144 AML other m 2021-05-13T17:31:28.87
IV.RM33.EHN. ML:1.4 0.000048091559999999996 1.6384 AML other m 2021-05-13T17:31:35.55
IV.RM33.HNE. ML:2.0 0.0002236354 1.1008 AML other m 2021-05-13T17:31:51.28
IV.RM33.HNN. ML:1.8 0.000130615895 0.704 AML other m 2021-05-13T17:31:36.48
IV.BSSO.HHE. ML:2.4 0.00007185221 1.0624 AML other m 2021-05-13T17:32:02.53
IV.BSSO.HHN. ML:2.4 0.00006550483 1.4592 AML other m 2021-05-13T17:32:08.33
IV.BSSO.HNE. ML:2.4 0.000071267975 1.0112 AML other m 2021-05-13T17:32:02.56
IV.BSSO.HNN. ML:2.6 0.00010755025 1.4592 AML other m 2021-05-13T17:32:08.36
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