Earthquake with magnitude of ML 1.5 on date 09-08-2021 and time 02:56:46 (Italy) in region 7 km W Valfabbrica (PG)

A magnitude ML 1.5 earthquake occured in region: 7 km W Valfabbrica (PG), on

  • 09-08-2021 00:56:46 (UTC)
  • 09-08-2021 02:56:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1580, 12.5140 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
Valfabbrica PG 7 3389 3389
Bastia Umbra PG 11 21874 25263
Perugia PG 12 166134 191397
Assisi PG 13 28299 219696
Torgiano PG 16 6725 226421
Bettona PG 16 4367 230788
Corciano PG 19 21332 252120
Cannara PG 19 4305 256425

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km E of Perugia (166134 inhabitants)
27 Km NW of Foligno (57155 inhabitants)
62 Km SE of Arezzo (99543 inhabitants)
67 Km N of Terni (111501 inhabitants)
87 Km SW of Fano (60888 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
90 Km SW of Pesaro (94582 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km E of Siena (53903 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 1.5 2021-08-09
00:56:46
43.1582 12.514 9 2021-12-29
11:12:30
Bollettino Sismico Italiano INGV 95422911
Reviewed
Rev100
ML 1.5 2021-08-09
00:56:46
43.1622 12.5187 9 2021-08-09
01:07:04
Sala Sismica INGV-Roma 93865261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-09 00:56:46 ± 0.05
Latitude 43.1582 ± 0.0018
Longitude 12.5140 ± 0.0037
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 95422911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 301
Semi-minor axis of confidence ellipse (meter) 98
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 69
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 1.17631
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 95422911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-15 08:08:23

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 93865261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-09 01:07:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIF.CHZ. 2021-08-09T00:57:07.85 0.6 undecidable manual P 268 130.5693 50 -0.21 39
IV.MC2.EHZ. 2021-08-09T00:57:06.31 0.3 undecidable manual S 116 61.1943 50 0.79 56
IV.GAVE.EHZ. 2021-08-09T00:57:06.09 0.6 undecidable manual S 149 60.1953 50 0.83 37
IV.NRCA.HHZ. 2021-08-09T00:57:05.57 0.6 undecidable manual S 126 60.5949 50 0.22 45
IV.CING.HHZ. 2021-08-09T00:57:05.83 0.6 undecidable manual S 66 60.0954 50 0.61 40
IV.BARO.HNZ. 2021-08-09T00:57:04.95 0.6 undecidable manual P 201 107.8143 50 0.39 39
IV.FROS.CHE. 2021-08-09T00:57:04.99 0.6 undecidable manual P 273 110.0121 50 0.1 42
IV.CSP1.EHZ. 2021-08-09T00:57:04.51 0.3 undecidable manual S 97 56.3991 50 0.27 67
IV.ARVD.HHZ. 2021-08-09T00:57:03.27 0.3 undecidable manual S 42 51.1155 50 0.45 65
IV.EL6.EHZ. 2021-08-09T00:57:03.15 0.3 undecidable manual S 68 51.1155 50 0.32 67
IV.CAFI.HHZ. 2021-08-09T00:57:02.22 0.3 undecidable manual S 293 48.1185 50 0.19 69
IV.FDMO.HHZ. 2021-08-09T00:57:02.11 0.3 undecidable manual S 106 48.3183 50 0.02 71
IV.NARO.HHZ. 2021-08-09T00:57:02.66 0.3 undecidable manual S 6 50.5161 50 0 71
IV.FRON.EHZ. 2021-08-09T00:57:00.59 0.3 undecidable manual S 23 43.4232 50 -0.17 70
IV.MGAB.HHZ. 2021-08-09T00:57:00.88 0.6 undecidable manual S 230 42.4242 50 0.36 45
IV.PIEI.HHZ. 2021-08-09T00:57:00.46 0.3 undecidable manual S 2 41.9247 50 0.09 71
IV.ATPC.HHE. 2021-08-09T00:56:59.37 0.3 undecidable manual S 353 36.0417 50 0.56 64
IV.MML1.EHZ. 2021-08-09T00:56:58.87 0.3 undecidable manual S 97 37.3293 50 -0.29 69
IV.SSFR.HHZ. 2021-08-09T00:56:58.94 0.3 undecidable manual S 35 37.7289 50 -0.3 69
IV.CESI.HHZ. 2021-08-09T00:56:58.50 0.3 undecidable manual S 118 35.9418 50 -0.27 69
IV.ATBU.EHZ. 2021-08-09T00:56:58.86 0.3 undecidable manual S 4 35.3424 50 0.25 70
IV.CING.HHZ. 2021-08-09T00:56:57.12 0.3 undecidable manual P 66 60.0954 50 -0.08 69
IV.GAVE.EHZ. 2021-08-09T00:56:57.69 0.6 undecidable manual P 149 60.1953 50 0.47 42
IV.MC2.EHZ. 2021-08-09T00:56:57.09 0.6 undecidable manual P 116 61.1943 50 -0.28 44
IV.ATPI.EHZ. 2021-08-09T00:56:57.97 0.3 undecidable manual S 344 33.6441 50 -0.2 71
IV.ATSC.EHE. 2021-08-09T00:56:57.66 0.3 undecidable manual S 25 32.6451 50 -0.23 70
IV.CSP1.EHZ. 2021-08-09T00:56:56.43 0.3 undecidable manual P 97 56.3991 50 -0.21 68
IV.ATMI.HHZ. 2021-08-09T00:56:56.21 0.3 undecidable manual S 315 27.8499 108 -0.19 71
IV.TB03.DHZ.01 2021-08-09T00:56:56.59 0.6 undecidable manual S 343 28.2495 108 0.07 49
IV.NRCA.HHZ. 2021-08-09T00:56:56.84 0.6 undecidable manual P 126 60.5949 50 -0.44 43
IV.FDMO.HHZ. 2021-08-09T00:56:55.07 0.3 undecidable manual P 106 48.3183 50 -0.33 67
IV.EL6.EHZ. 2021-08-09T00:56:55.59 0.3 undecidable manual P 68 51.1155 50 -0.23 68
IV.FOSV.EHZ. 2021-08-09T00:56:55.60 0.3 undecidable manual S 53 25.0527 110 0.12 73
IV.NARO.HHZ. 2021-08-09T00:56:55.50 0.6 undecidable manual P 6 50.5161 50 -0.22 45
IV.ATVO.HHZ. 2021-08-09T00:56:55.78 0.3 undecidable manual S 341 26.2515 109 -0.11 73
IV.CAFI.HHZ. 2021-08-09T00:56:55.53 0.3 undecidable manual P 293 48.1185 50 0.17 69
IT.FOPC.HGN. 2021-08-09T00:56:55.63 0.3 undecidable manual S 144 25.9518 109 -0.13 73
IV.ARVD.HHZ. 2021-08-09T00:56:55.62 0.3 undecidable manual P 42 51.1155 50 -0.2 68
IV.ATVA.EHE. 2021-08-09T00:56:54.46 0.3 undecidable manual S 306 22.755 111 -0.28 71
IV.PIEI.HHZ. 2021-08-09T00:56:54.28 0.3 undecidable manual P 2 41.9247 50 -0.12 71
IV.BADI.EHE. 2021-08-09T00:56:54.89 0.3 undecidable manual P 331 44.622 50 0.07 71
IV.ATMC.EHE. 2021-08-09T00:56:54.23 0.6 undecidable manual P 321 41.2254 50 -0.06 48
IV.FRON.EHZ. 2021-08-09T00:56:54.36 0.3 undecidable manual P 23 43.4232 50 -0.27 68
IV.MGAB.HHZ. 2021-08-09T00:56:54.54 0.3 undecidable manual P 230 42.4242 50 0.05 72
IV.APEC.HNN. 2021-08-09T00:56:54.89 0.3 undecidable manual P 350 45.0216 50 0.01 72
IV.CESI.HHZ. 2021-08-09T00:56:53.03 0.6 undecidable manual P 118 35.9418 50 -0.45 44
IV.ATLO.EHE. 2021-08-09T00:56:53.77 0.3 undecidable manual S 334 19.4694 115 0.1 74
IV.ATBU.EHZ. 2021-08-09T00:56:53.40 0.3 undecidable manual P 4 35.3424 50 0.01 73
IV.MML1.EHZ. 2021-08-09T00:56:53.37 0.3 undecidable manual P 97 37.3293 50 -0.33 68
IV.MOMA.HNZ. 2021-08-09T00:56:53.46 0.6 undecidable manual P 173 39.5271 50 -0.58 42
IV.ATPC.HHE. 2021-08-09T00:56:53.46 0.3 undecidable manual P 353 36.0417 50 -0.04 73
IV.SSFR.HHZ. 2021-08-09T00:56:53.49 0.1 undecidable manual P 35 37.7289 50 -0.26 92
IT.UMBT.HGZ. 2021-08-09T00:56:53.96 0.6 undecidable manual S 320 21.2676 113 -0.28 47
IV.ASSB.HHZ. 2021-08-09T00:56:53.04 0.3 undecidable manual S 138 17.3715 117 0.01 75
IV.ATMI.HHZ. 2021-08-09T00:56:52.27 0.6 undecidable manual P 315 27.8499 108 0.16 48
IV.TB03.DHZ.01 2021-08-09T00:56:52.08 0.3 undecidable manual P 343 28.2495 108 -0.1 73
IV.ATPI.EHZ. 2021-08-09T00:56:52.95 0.3 undecidable manual P 344 33.6441 50 -0.18 71
IV.ATSC.EHE. 2021-08-09T00:56:52.72 0.3 undecidable manual P 25 32.6451 50 -0.25 70
IT.UMBT.HGZ. 2021-08-09T00:56:51.41 0.6 undecidable manual P 320 21.2676 113 0.55 44
IV.ATCC.EHZ. 2021-08-09T00:56:51.16 0.3 undecidable manual S 74 10.5783 130 0.1 75
IV.FOSV.EHZ. 2021-08-09T00:56:51.49 0.1 undecidable manual P 53 25.0527 110 -0.09 98
IV.ATVA.EHE. 2021-08-09T00:56:51.22 0.3 undecidable manual P 306 22.755 111 0.07 74
IV.MURB.HHZ. 2021-08-09T00:56:51.68 0.3 undecidable manual S 4 11.6772 127 0.34 71
IV.ATVO.HHZ. 2021-08-09T00:56:51.69 0.3 undecidable manual P 341 26.2515 109 -0.12 73
IT.FOPC.HGN. 2021-08-09T00:56:51.65 0.3 undecidable manual P 144 25.9518 109 -0.09 73
IV.ASSB.HHZ. 2021-08-09T00:56:50.12 0.1 undecidable manual P 138 17.3715 117 -0.04 100
IV.ATLO.EHE. 2021-08-09T00:56:50.66 0.1 undecidable manual P 334 19.4694 115 0.13 98
IV.MURB.HHZ. 2021-08-09T00:56:49.51 0.1 undecidable manual P 4 11.6772 127 0.32 95
IV.ATCC.EHZ. 2021-08-09T00:56:49.22 0.1 undecidable manual P 74 10.5783 130 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:2.1 0.0016926845 0.36 AML other m 2021-08-09T00:56:51.95
IV.MURB.HNE. ML:2.1 0.0015463115 0.3496 AML other m 2021-08-09T00:56:51.96
IV.ATCC.EHE. ML:2.0 0.0013284414999999998 0.36 AML other m 2021-08-09T00:56:52.06
IV.ATCC.EHN. ML:1.9 0.0010090648 0.18 AML other m 2021-08-09T00:56:52.09
IV.MURB.HHN. ML:2.1 0.001422747 0.16 AML other m 2021-08-09T00:56:52.24
IV.MURB.HNN. ML:2.0 0.0013055527 0.2704 AML other m 2021-08-09T00:56:53.45
IV.ASSB.HHN. ML:1.5 0.00029549999999999997 0.36 AML other m 2021-08-09T00:56:53.93
IV.ASSB.HHE. ML:1.3 0.00018013915 0.06 AML other m 2021-08-09T00:56:53.92
IV.FOSV.EHN. ML:1.2 0.00010245 0.18 AML other m 2021-08-09T00:56:55.99
IV.FOSV.EHE. ML:1.3 0.00012054999999999999 0.44 AML other m 2021-08-09T00:56:56.06
IV.ATVO.HHN. ML:1.1 0.00007350000000000001 0.6 AML other m 2021-08-09T00:56:57.37
IV.ATVO.HHE. ML:1.2 0.00008069817 0.16 AML other m 2021-08-09T00:56:58.36
IV.ATMI.HHE. ML:1.5 0.0001725 0.34 AML other m 2021-08-09T00:56:58.30
IV.ATMI.HHN. ML:1.5 0.0001565 0.32 AML other m 2021-08-09T00:56:58.59
IV.ATPI.EHN. ML:1.2 0.00006395 0.26 AML other m 2021-08-09T00:56:58.79
IV.CESI.HHE. ML:1.3 0.00008205 1.26 AML other m 2021-08-09T00:56:59.11
IV.CESI.HHN. ML:1.1 0.000057440675 0.18 AML other m 2021-08-09T00:56:59.78
IV.MML1.EHE. ML:1.6 0.000141 1.18 AML other m 2021-08-09T00:56:59.31
IV.MML1.EHN. ML:1.5 0.00011549999999999999 0.52 AML other m 2021-08-09T00:56:59.32
IV.ATPI.EHE. ML:1.2 0.0000679 0.36 AML other m 2021-08-09T00:56:59.67
IV.SSFR.HHN. ML:2.0 0.00036508885000000003 0.18 AML other m 2021-08-09T00:56:59.76
IV.SSFR.HNN. ML:2.0 0.00039355689999999997 0.16 AML other m 2021-08-09T00:56:59.76
IV.SSFR.HNE. ML:1.9 0.00029483535 0.14 AML other m 2021-08-09T00:57:00.31
IV.SSFR.HHE. ML:1.9 0.00026849999999999997 0.16 AML other m 2021-08-09T00:57:00.31
IV.FRON.EHE. ML:1.4 0.00007895 0.38 AML other m 2021-08-09T00:57:00.88
IV.FRON.EHN. ML:1.4 0.0000818 1.64 AML other m 2021-08-09T00:57:00.16
IV.PIEI.HHE. ML:1.4 0.0000766 0.92 AML other m 2021-08-09T00:57:01.50
IV.PIEI.HHN. ML:1.4 0.00008595 0.38 AML other m 2021-08-09T00:57:01.43
IV.MGAB.HHN. ML:1.8 0.0002255 0.18 AML other m 2021-08-09T00:57:01.97
IV.FDMO.HHE. ML:1.4 0.00007285 0.14 AML other m 2021-08-09T00:57:02.63
IV.FDMO.HHN. ML:1.3 0.0000625 0.88 AML other m 2021-08-09T00:57:02.21
IV.MGAB.HHE. ML:1.6 0.000126 0.84 AML other m 2021-08-09T00:57:02.93
IV.CAFI.HHN. ML:1.0 0.000029150000000000004 0.78 AML other m 2021-08-09T00:57:04.51
IV.CAFI.HHE. ML:1.2 0.0000445 0.26 AML other m 2021-08-09T00:57:04.91
IV.CSP1.EHE. ML:1.7 0.00011705000000000001 0.88 AML other m 2021-08-09T00:57:05.68
IV.CSP1.EHN. ML:1.8 0.000136 0.46 AML other m 2021-08-09T00:57:06.14
IV.NRCA.HHN. ML:1.4 0.000048100000000000004 0.1 AML other m 2021-08-09T00:57:06.94
IV.NRCA.HHE. ML:1.3 0.00003945 0.1 AML other m 2021-08-09T00:57:07.20
IV.GAVE.EHN. ML:1.3 0.00004155 0.54 AML other m 2021-08-09T00:57:08.75
IV.GAVE.EHE. ML:1.3 0.000042250000000000004 0.18 AML other m 2021-08-09T00:57:09.21
IV.MML1.HNN. ML:1.4 0.00010146585 0.1096 AML other m 2021-08-09T00:56:59.57
IV.MML1.HNE. ML:1.6 0.0001415069 0.1808 AML other m 2021-08-09T00:56:59.40
IV.MGAB.HNN. ML:1.8 0.00019361701499999998 0.1792 AML other m 2021-08-09T00:57:01.97
IV.MGAB.HNE. ML:1.6 0.00011511775 0.1896 AML other m 2021-08-09T00:57:02.60
IV.NARO.HHE. ML:1.1 0.000028687665 0.2 AML other m 2021-08-09T00:57:04.69
IV.NARO.HHN. ML:0.9 0.000021808285 0.32 AML other m 2021-08-09T00:57:03.33
IV.EL6.EHN. ML:1.7 0.0001356327 0.24 AML other m 2021-08-09T00:57:04.35
IV.EL6.EHE. ML:1.6 0.00009085618499999999 0.2 AML other m 2021-08-09T00:57:03.87
IV.ARVD.HHN. ML:1.0 0.00002618827 0.14 AML other m 2021-08-09T00:57:03.71
IV.ARVD.HHE. ML:1.1 0.000028366965000000002 0.18 AML other m 2021-08-09T00:57:03.51
IV.CING.HHN. ML:1.2 0.000034193725 0.22 AML other m 2021-08-09T00:57:06.40
IV.CING.HHE. ML:1.0 0.0000215420825 0.2 AML other m 2021-08-09T00:57:06.41
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