Earthquake with magnitude of ML 1.2 on date 22-04-2021 and time 00:04:52 (Italy) in region 4 km N Gubbio (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km N Gubbio (PG), on

  • 21-04-2021 22:04:52 (UTC)
  • 22-04-2021 00:04:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3860, 12.5780 at 9 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
Gubbio PG 4 32216 32216
Scheggia e Pascelupo PG 8 1393 33609
Cantiano PU 11 2245 35854
Costacciaro PG 11 1216 37070
Pietralunga PG 13 2111 39181
Sigillo PG 15 2404 41585
Fossato di Vico PG 18 2840 44425
Cagli PU 19 8731 53156
Frontone PU 19 1300 54456
Serra Sant'Abbondio PU 20 1027 55483

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Perugia (166134 inhabitants)
49 Km N of Foligno (57155 inhabitants)
57 Km E of Arezzo (99543 inhabitants)
62 Km SW of Fano (60888 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
75 Km S of Rimini (147750 inhabitants)
80 Km W of Ancona (100861 inhabitants)
88 Km SE of Cesena (96758 inhabitants)
92 Km N of Terni (111501 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 1.2 2021-04-21
22:04:52
43.3862 12.5778 9 2021-07-12
16:55:11
Bollettino Sismico Italiano INGV 90230131
Reviewed
Rev100
ML 1.2 2021-04-21
22:04:52
43.3918 12.5833 9 2021-04-21
22:11:14
Sala Sismica INGV-Roma 89339711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-21 22:04:52 ± 0.04
Latitude 43.3862 ± 0.0018
Longitude 12.5778 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90230131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 209
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 188
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54319
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 89339711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-21 22:11:14

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 90230131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-18 16:30:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2021-04-21T22:05:17.11 3.0 undecidable manual S -2.66 0
IV.CSP1.EHZ. 2021-04-21T22:05:12.50 0.6 undecidable manual S 123 60.2952 50 0.78 37
IV.CSNT.HHZ. 2021-04-21T22:05:11.71 3.0 undecidable manual P 0
IV.EL6.EHZ. 2021-04-21T22:05:07.13 0.3 undecidable manual S 98 42.7239 50 0.1 70
IV.PE3.EHZ. 2021-04-21T22:05:05.56 0.3 undecidable manual S 349 34.9428 50 0.6 62
IV.ASSB.HHZ. 2021-04-21T22:05:05.44 0.6 undecidable manual S 170 38.628 50 -0.51 43
IV.CSP1.EHZ. 2021-04-21T22:05:03.41 0.3 undecidable manual P 123 60.2952 50 -0.25 65
IV.MPAG.EHZ. 2021-04-21T22:05:03.44 0.3 undecidable manual S 28 30.6471 106 -0.27 69
IV.BADI.EHZ. 2021-04-21T22:05:03.35 0.3 undecidable manual S 297 30.1476 106 -0.19 70
IV.CAFI.HHZ. 2021-04-21T22:05:02.02 0.3 undecidable manual P 263 49.7169 50 -0.01 70
IV.ATMI.HHZ. 2021-04-21T22:05:01.67 0.6 undecidable manual S 257 25.6521 109 -0.38 45
IV.NARO.HHZ. 2021-04-21T22:05:01.44 0.6 undecidable manual S 1 24.9528 109 -0.37 45
IV.APEC.HHZ. 2021-04-21T22:05:01.33 0.3 undecidable manual S 326 22.9548 111 0.16 71
IV.ATCC.EHZ. 2021-04-21T22:05:01.44 0.3 undecidable manual S 167 22.8549 111 0.3 69
IV.PARC.HHZ. 2021-04-21T22:05:00.69 0.3 undecidable manual P 317 39.9267 50 0.17 69
IV.EL6.EHZ. 2021-04-21T22:05:00.89 0.1 undecidable manual P 98 42.7239 50 -0.06 94
IV.FOSV.EHZ. 2021-04-21T22:04:59.25 0.3 undecidable manual S 124 17.9709 116 -0.32 70
IV.PIEI.HHZ. 2021-04-21T22:04:59.23 0.6 undecidable manual S 348 16.9719 117 -0.03 49
IV.ASSB.HHZ. 2021-04-21T22:04:59.95 0.1 undecidable manual P 170 38.628 50 -0.38 88
IV.FRON.EHZ. 2021-04-21T22:04:59.76 0.3 undecidable manual S 39 18.87 115 -0.09 73
IV.PE3.EHZ. 2021-04-21T22:04:59.84 0.3 undecidable manual P 349 34.9428 50 0.09 71
IV.SSFR.HHZ. 2021-04-21T22:04:59.37 0.3 undecidable manual S 71 17.3715 117 -0.03 74
IV.MPAG.EHZ. 2021-04-21T22:04:58.70 0.1 undecidable manual P 28 30.6471 106 -0.33 90
IV.ATPC.HHE. 2021-04-21T22:04:58.64 0.6 undecidable manual S 317 14.2746 121 0.18 48
IV.BADI.EHZ. 2021-04-21T22:04:58.75 0.6 undecidable manual P 297 30.1476 106 -0.19 47
IV.TB02.DHZ. 2021-04-21T22:04:58.21 0.3 undecidable manual S 263 13.6752 123 -0.08 74
IV.ATVA.EHE. 2021-04-21T22:04:58.06 0.1 undecidable manual P 243 26.4513 108 -0.17 94
IV.TB03.DHZ. 2021-04-21T22:04:58.20 0.6 undecidable manual S 277 13.5753 123 -0.06 49
IV.ATMI.HHZ. 2021-04-21T22:04:58.14 0.6 undecidable manual P 257 25.6521 109 0.06 48
IV.MURB.HHZ. 2021-04-21T22:04:58.93 0.3 undecidable manual S 197 14.3745 121 0.46 68
IV.ATLO.EHE. 2021-04-21T22:04:58.84 0.3 undecidable manual S 240 15.873 119 -0.09 73
IV.ATPI.EHZ. 2021-04-21T22:04:58.92 0.3 undecidable manual S 297 15.873 119 -0.01 74
IV.ATSC.EHE. 2021-04-21T22:04:57.40 0.3 undecidable manual S 64 9.6792 132 0.22 72
IV.ATCC.EHZ. 2021-04-21T22:04:57.60 0.3 positive manual P 167 22.8549 111 0.05 73
IV.ATBU.EHZ. 2021-04-21T22:04:57.74 0.6 undecidable manual S 347 10.1787 131 0.43 46
IV.TB01.DHZ. 2021-04-21T22:04:57.62 0.6 undecidable manual S 267 11.4774 127 -0.04 50
IV.NARO.HHZ. 2021-04-21T22:04:57.61 0.1 undecidable manual P 1 24.9528 109 -0.33 91
IV.APEC.HHZ. 2021-04-21T22:04:57.53 0.1 undecidable manual P 326 22.9548 111 -0.04 97
IV.MURB.HHZ. 2021-04-21T22:04:56.16 0.1 positive manual P 197 14.3745 121 0.14 97
IV.ATLO.EHE. 2021-04-21T22:04:56.25 0.1 undecidable manual P 240 15.873 119 -0.03 99
IV.ATPI.EHZ. 2021-04-21T22:04:56.32 0.3 positive manual P 297 15.873 119 0.05 74
IV.FOSV.EHZ. 2021-04-21T22:04:56.62 0.6 undecidable manual P 124 17.9709 116 -0.03 49
IV.ATPC.HHE. 2021-04-21T22:04:56.05 0.1 undecidable manual P 317 14.2746 121 0.04 99
IV.PIEI.HHZ. 2021-04-21T22:04:56.46 0.1 undecidable manual P 348 16.9719 117 0 99
IV.FRON.EHZ. 2021-04-21T22:04:56.76 0.1 positive manual P 39 18.87 115 -0.05 98
IV.SSFR.HHZ. 2021-04-21T22:04:56.53 0.3 undecidable manual P 71 17.3715 117 -0.01 74
IV.TB01.DHZ. 2021-04-21T22:04:55.62 0.1 undecidable manual P 267 11.4774 127 0.08 99
IV.ATFO.HHZ. 2021-04-21T22:04:55.66 0.1 undecidable manual S 193 2.1978 166 -0.12 99
IV.ATSC.EHE. 2021-04-21T22:04:55.47 0.1 undecidable manual P 64 9.6792 132 0.2 96
IV.ATBU.EHZ. 2021-04-21T22:04:55.65 0.1 undecidable manual P 347 10.1787 131 0.31 94
IV.TB02.DHZ. 2021-04-21T22:04:55.94 0.1 undecidable manual P 263 13.6752 123 0.03 99
IV.TB03.DHZ. 2021-04-21T22:04:55.89 0.1 undecidable manual P 277 13.5753 123 0 100
IV.ATFO.HHZ. 2021-04-21T22:04:54.54 0.1 undecidable manual P 193 2.1978 166 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:1.5 0.000345 0.22 AML other m 2021-04-21T22:04:59.17
IV.MURB.HNN. ML:1.5 0.00034050000000000004 1.22 AML other m 2021-04-21T22:04:59.18
IV.ATPI.EHN. ML:1.1 0.00011399999999999999 0.44 AML other m 2021-04-21T22:04:59.24
IV.SSFR.HNE. ML:1.9 0.0006810000000000001 0.34 AML other m 2021-04-21T22:04:59.81
IV.FRON.EHN. ML:1.6 0.000341 1.68 AML other m 2021-04-21T22:05:00.90
IV.SSFR.HNN. ML:1.8 0.0005204999999999999 1.68 AML other m 2021-04-21T22:05:00.91
IV.PIEI.HHN. ML:1.2 0.00014800000000000002 0.3 AML other m 2021-04-21T22:05:00.29
IV.PIEI.HHE. ML:1.4 0.000216 0.28 AML other m 2021-04-21T22:05:00.15
IV.SSFR.HHE. ML:1.7 0.00043149999999999997 1.22 AML other m 2021-04-21T22:05:00.81
IV.FOSV.EHE. ML:0.8 0.00004895 0.92 AML other m 2021-04-21T22:05:00.22
IV.FOSV.EHN. ML:1.0 0.0000735 0.62 AML other m 2021-04-21T22:05:00.02
IV.SSFR.HHN. ML:1.6 0.00032700000000000003 0.34 AML other m 2021-04-21T22:05:00.18
IV.FRON.EHE. ML:1.2 0.000132 0.72 AML other m 2021-04-21T22:05:00.90
IV.MURB.HHE. ML:1.5 0.00035499999999999996 1.6 AML other m 2021-04-21T22:05:00.04
IV.MURB.HNE. ML:1.5 0.00033899999999999995 1.62 AML other m 2021-04-21T22:05:00.85
IV.ATPI.EHE. ML:0.9 0.0000726 0.62 AML other m 2021-04-21T22:05:00.98
IV.APEC.HHN. ML:0.8 0.000039750000000000004 0.28 AML other m 2021-04-21T22:05:01.49
IV.ATCC.EHE. ML:1.3 0.00014500000000000003 0.84 AML other m 2021-04-21T22:05:01.92
IV.ATCC.EHN. ML:1.5 0.00020250000000000002 0.24 AML other m 2021-04-21T22:05:01.57
IV.NARO.HHN. ML:1.0 0.0000562 0.74 AML other m 2021-04-21T22:05:01.29
IV.APEC.HHE. ML:0.8 0.0000435 1.5 AML other m 2021-04-21T22:05:02.80
IV.NARO.HHE. ML:1.1 0.00007005 1.54 AML other m 2021-04-21T22:05:02.91
IV.ATMI.HHN. ML:0.9 0.0000498 0.36 AML other m 2021-04-21T22:05:02.38
IV.ATMI.HHE. ML:1.0 0.000058099999999999996 0.5 AML other m 2021-04-21T22:05:03.30
IV.MPAG.EHN. ML:0.9 0.00003325 0.24 AML other m 2021-04-21T22:05:03.49
IV.BADI.EHN. ML:1.2 0.0000715 0.12 AML other m 2021-04-21T22:05:03.57
IV.MPAG.EHE. ML:0.9 0.00003375 0.5 AML other m 2021-04-21T22:05:04.49
IV.BADI.EHE. ML:1.1 0.000064 1.34 AML other m 2021-04-21T22:05:04.78
IV.ASSB.HHN. ML:1.0 0.000033299999999999996 0.18 AML other m 2021-04-21T22:05:06.01
IV.ASSB.HHE. ML:0.9 0.00003175 0.36 AML other m 2021-04-21T22:05:07.02
IV.EL6.EHN. ML:1.1 0.000041827597000000004 0.1664 AML other m 2021-04-21T22:05:07.55
IV.EL6.EHE. ML:1.3 0.00006286322 0.1792 AML other m 2021-04-21T22:05:07.72
IV.PARC.HHN. ML:0.8 0.000020915234999999998 0.1664 AML other m 2021-04-21T22:05:08.00
IV.PARC.HHE. ML:0.6 0.000014973544 0.192 AML other m 2021-04-21T22:05:08.76
IV.CSP1.EHE. ML:1.4 0.000057055745 0.192 AML other m 2021-04-21T22:05:13.60
IV.CSP1.EHN. ML:1.3 0.00004269786000000001 0.2304 AML other m 2021-04-21T22:05:13.90
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