Earthquake with magnitude of ML 0.6 on date 05-04-2021 and time 04:57:46 (Italy) in region 2 km NW Sigillo (PG)

A magnitude ML 0.6 earthquake occured in region: 2 km NW Sigillo (PG), on

  • 05-04-2021 02:57:46 (UTC)
  • 05-04-2021 04:57:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3460, 12.7290 at 12 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sigillo PG 2 2404 2404
Costacciaro PG 2 1216 3620
Fossato di Vico PG 6 2840 6460
Scheggia e Pascelupo PG 8 1393 7853
Gubbio PG 12 32216 40069
Gualdo Tadino PG 14 15208 55277
Fabriano AN 14 31480 86757
Sassoferrato AN 15 7285 94042
Cantiano PU 16 2245 96287
Serra Sant'Abbondio PU 17 1027 97314
Frontone PU 19 1300 98614
Genga AN 19 1797 100411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Perugia (166134 inhabitants)
43 Km N of Foligno (57155 inhabitants)
60 Km SW of Fano (60888 inhabitants)
65 Km S of Pesaro (94582 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
71 Km W of Ancona (100861 inhabitants)
81 Km S of Rimini (147750 inhabitants)
88 Km N of Terni (111501 inhabitants)
96 Km SE of Cesena (96758 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 0.6 2021-04-05
02:57:46
43.346 12.7288 12 2021-07-12
16:55:11
Bollettino Sismico Italiano INGV 90092921
Reviewed
Rev100
ML 0.6 2021-04-05
02:57:45
43.3163 12.7192 13 2021-04-05
03:04:03
Sala Sismica INGV-Roma 88781191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-05 02:57:46 ± 0.07
Latitude 43.3460 ± 0.0045
Longitude 12.7288 ± 0.0074
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90092921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 301
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.28598
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 90092921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 14:17:12

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 88781191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-05 03:04:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-04-05T02:57:57.60 0.6 undecidable manual S 338 31.746 91 0.01 48
IV.ATPC.HHE. 2021-04-05T02:57:56.30 0.6 undecidable manual S 304 26.5512 92 0.1 48
IV.PIEI.HHZ. 2021-04-05T02:57:56.05 0.6 undecidable manual S 323 26.1516 92 -0.07 48
IV.ARVD.HHZ. 2021-04-05T02:57:55.71 0.6 undecidable manual S 45 24.0537 92 0.17 47
IV.ATBU.EHE. 2021-04-05T02:57:55.08 0.6 undecidable manual S 315 20.4684 93 0.49 45
IV.FRON.EHZ. 2021-04-05T02:57:54.10 0.3 undecidable manual S 359 19.0698 94 -0.11 72
IV.MURB.HHE. 2021-04-05T02:57:54.09 0.6 undecidable manual S 241 18.87 94 -0.08 48
IV.SSFR.HHN. 2021-04-05T02:57:52.29 0.6 undecidable manual S 23 10.878 118 0.19 48
IV.NARO.HHZ. 2021-04-05T02:57:52.80 0.1 undecidable manual P 338 31.746 91 -0.17 93
IV.ATBU.EHE. 2021-04-05T02:57:51.34 0.1 undecidable manual P 315 20.4684 93 0.1 97
IV.ATPC.HHE. 2021-04-05T02:57:51.95 0.1 undecidable manual P 304 26.5512 92 -0.22 92
IV.FOSV.HNE. 2021-04-05T02:57:51.04 0.3 undecidable manual S 155 6.2937 142 -0.11 75
IV.PIEI.HHZ. 2021-04-05T02:57:51.84 0.1 undecidable manual P 323 26.1516 92 -0.28 91
IV.MURB.HHE. 2021-04-05T02:57:51.47 0.3 undecidable manual P 241 18.87 94 0.47 68
IV.ARVD.HHZ. 2021-04-05T02:57:51.82 0.1 undecidable manual P 45 24.0537 92 0.03 97
IV.ATSC.EHN. 2021-04-05T02:57:51.80 0.6 undecidable manual S 338 9.2796 126 0.06 50
IV.FRON.EHZ. 2021-04-05T02:57:50.90 0.1 undecidable manual P 359 19.0698 94 -0.12 96
IV.ATSC.EHN. 2021-04-05T02:57:49.69 0.1 undecidable manual P 338 9.2796 126 0.09 99
IV.SSFR.HHN. 2021-04-05T02:57:49.84 0.1 undecidable manual P 23 10.878 118 0.04 99
IV.FOSV.HNE. 2021-04-05T02:57:49.19 0.1 undecidable manual P 155 6.2937 142 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.5 0.000023848609999999998 0.16 AML other m 2021-04-05T02:57:54.14
IV.FRON.EHN. ML:0.4 0.000022283575 0.08 AML other m 2021-04-05T02:57:54.38
IV.ARVD.HHN. ML:0.4 0.000012827867999999999 0.16 AML other m 2021-04-05T02:57:55.85
IV.ARVD.HHE. ML:0.5 0.000022046235 0.08 AML other m 2021-04-05T02:57:56.04
IV.PIEI.HHN. ML:0.7 0.000023449999999999997 0.18 AML other m 2021-04-05T02:57:56.17
IV.PIEI.HHE. ML:0.9 0.00004195 0.64 AML other m 2021-04-05T02:57:56.48
IV.NARO.HHE. ML:0.5 0.000016005451 0.1392 AML other m 2021-04-05T02:57:57.76
IV.NARO.HHN. ML:0.5 0.000012755345000000001 0.0592 AML other m 2021-04-05T02:57:57.94
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