Earthquake with magnitude of ML 1.5 on date 07-10-2021 and time 08:29:56 (Italy) in region 5 km SW Valfabbrica (PG)

A magnitude ML 1.5 earthquake occured in region: 5 km SW Valfabbrica (PG), on

  • 07-10-2021 06:29:56 (UTC)
  • 07-10-2021 08:29:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1300, 12.5560 at 11 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 5 3389 3389
Bastia Umbra PG 7 21874 25263
Assisi PG 8 28299 53562
Perugia PG 14 166134 219696
Bettona PG 14 4367 224063
Cannara PG 15 4305 228368
Torgiano PG 15 6725 235093
Spello PG 18 8645 243738
Valtopina PG 18 1398 245136
Nocera Umbra PG 19 5839 250975
Deruta PG 20 9669 260644

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Perugia (166134 inhabitants)
23 Km NW of Foligno (57155 inhabitants)
64 Km N of Terni (111501 inhabitants)
66 Km SE of Arezzo (99543 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
88 Km SW of Fano (60888 inhabitants)
92 Km SW of Pesaro (94582 inhabitants)
95 Km SW of Ancona (100861 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 2021-10-07
06:29:56
43.1295 12.5563 11 2022-03-30
13:04:10
Bollettino Sismico Italiano INGV 96427751
Reviewed
Rev100
ML 1.5 2021-10-07
06:29:56
43.1287 12.5467 10 2021-10-07
06:41:02
Sala Sismica INGV-Roma 96312161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-07 06:29:56 ± 0.06
Latitude 43.1295 ± 0.0036
Longitude 12.5563 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96427751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
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) 71
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 27
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) 0.39031
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 96312161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-07 06:41:02

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 96427751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-11 09:23:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2021-10-07T06:31:31.41 3.0 undecidable manual Sn 0.27 0
ST.RONC.EHZ. 2021-10-07T06:31:19.64 3.0 undecidable manual Sn -4.04 0
IV.ISPIC.EHZ. 2021-10-07T06:31:16.47 3.0 positive manual Pn -0.07 0
IV.EPOZ.HHZ. 2021-10-07T06:31:12.64 3.0 negative manual Pg 7.68 0
IV.CRND.HNZ. 2021-10-07T06:31:08.30 3.0 undecidable manual Sn 0.46 0
IX.COL3.HHZ.02 2021-10-07T06:31:04.73 3.0 undecidable manual Sg 4.17 0
GU.CARD.HHZ. 2021-10-07T06:31:00.16 3.0 undecidable manual Sn 2.82 0
IV.PETRA.HHZ. 2021-10-07T06:30:59.72 3.0 negative manual Pn -1.67 0
GU.BURY.HHZ. 2021-10-07T06:30:59.65 3.0 undecidable manual Pn 7.95 0
IV.MRLC.HHZ. 2021-10-07T06:30:56.16 3.0 undecidable manual Sn -4.18 0
IV.CET2.HHZ. 2021-10-07T06:30:50.67 3.0 undecidable manual Pg 7.72 0
IV.ZEN8.EHZ. 2021-10-07T06:30:47.27 3.0 undecidable manual Pg 12.76 0
IV.EUCT.HNZ. 2021-10-07T06:30:40.54 3.0 positive manual Pn -2.3 0
IV.MSSA.HHZ. 2021-10-07T06:30:36.87 3.0 negative manual Pn 2.59 0
ST.GAGG.HHZ. 2021-10-07T06:30:33.89 3.0 negative manual Pn -4.04 0
IV.RMP.HHZ. 2021-10-07T06:30:33.10 3.0 undecidable manual Sg 0.9 0
IV.SACS.HHZ. 2021-10-07T06:30:30.36 3.0 undecidable manual S 1.4 0
IT.PLTA.HNZ. 2021-10-07T06:30:23.23 3.0 undecidable manual S -6.75 0
IV.FIR.HHZ. 2021-10-07T06:30:16.66 3.0 undecidable manual Pn 1.08 0
IV.MML1.EHZ. 2021-10-07T06:30:08.04 0.3 undecidable manual S 93 33.6441 50 0.19 70
IV.MOMA.HNZ. 2021-10-07T06:30:08.39 0.3 undecidable manual S 178 36.1416 50 -0.12 71
IV.RNI2.HHZ. 2021-10-07T06:30:08.49 3.0 undecidable manual Pg -0.13 0
IV.ATMI.HHZ. 2021-10-07T06:30:07.53 0.3 undecidable manual S 314 32.5452 50 -0.02 73
IV.CESI.HHE. 2021-10-07T06:30:07.24 0.6 undecidable manual S 116 31.4463 50 -0.01 49
IV.TB01.DHZ.01 2021-10-07T06:30:07.05 0.3 undecidable manual S 341 29.6481 50 0.28 70
IV.TB02.DHN.01 2021-10-07T06:30:06.51 0.3 undecidable manual S 336 29.2485 50 -0.16 71
IV.FOSV.EHZ. 2021-10-07T06:30:05.50 0.3 undecidable manual S 42 24.753 50 0.04 74
IV.ATVA.EHE. 2021-10-07T06:30:05.78 0.3 undecidable manual S 307 27.4503 50 -0.41 68
IV.MGAB.HHZ. 2021-10-07T06:30:04.97 0.3 undecidable manual P 236 43.3233 50 0.49 65
IV.ATLO.EHE. 2021-10-07T06:30:04.97 0.3 undecidable manual S 330 23.8539 50 -0.26 71
IV.MURB.HHZ. 2021-10-07T06:30:03.10 0.3 undecidable manual S 350 15.0738 126 0.32 71
IV.MOMA.HNZ. 2021-10-07T06:30:03.51 0.3 undecidable manual P 178 36.1416 50 0.14 71
IV.ATMI.HHZ. 2021-10-07T06:30:03.44 0.3 undecidable manual P 314 32.5452 50 0.62 63
IV.CESI.HHE. 2021-10-07T06:30:02.80 0.3 undecidable manual P 116 31.4463 50 0.16 71
IV.TB01.DHZ.01 2021-10-07T06:30:02.24 0.3 undecidable manual P 341 29.6481 50 -0.12 72
IV.MML1.EHZ. 2021-10-07T06:30:02.97 0.1 undecidable manual P 93 33.6441 50 -0.02 97
IV.ATVO.HNE. 2021-10-07T06:30:02.29 0.3 undecidable manual P 337 30.5472 50 -0.22 70
IV.ATVA.EHE. 2021-10-07T06:30:02.12 0.3 undecidable manual P 307 27.4503 50 0.09 73
IV.TB02.DHN.01 2021-10-07T06:30:01.95 0.3 undecidable manual P 336 29.2485 50 -0.36 68
IV.ATLO.EHE. 2021-10-07T06:30:01.38 0.1 undecidable manual P 330 23.8539 50 -0.1 97
IV.ATCC.EHZ. 2021-10-07T06:30:01.16 0.1 undecidable manual S 48 9.1797 140 -0.11 100
IV.FOSV.EHZ. 2021-10-07T06:30:01.55 0.3 undecidable manual P 42 24.753 50 -0.06 73
IV.ASSB.HHZ. 2021-10-07T06:30:01.79 0.3 undecidable manual S 139 12.6762 130 -0.35 71
IV.ATFO.HHN. 2021-10-07T06:30:01.88 0.3 undecidable manual P 3 26.3514 50 0.02 74
IV.MURB.HHZ. 2021-10-07T06:30:00.14 0.1 undecidable manual P 350 15.0738 126 0.08 99
IV.ASSB.HHZ. 2021-10-07T06:29:59.62 0.1 negative manual P 139 12.6762 130 -0.08 100
IV.ATCC.EHZ. 2021-10-07T06:29:59.28 0.1 undecidable manual P 48 9.1797 140 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.7 0.000743 0.08 AML other m 2021-10-07T06:30:01.22
IV.ATCC.EHE. ML:1.6 0.0005560000000000001 0.66 AML other m 2021-10-07T06:30:01.22
IV.ASSB.HHN. ML:1.6 0.0004625 0.1 AML other m 2021-10-07T06:30:01.90
IV.ASSB.HHE. ML:1.4 0.000272 0.08 AML other m 2021-10-07T06:30:02.63
IV.MURB.HHE. ML:1.7 0.0005265 0.22 AML other m 2021-10-07T06:30:03.67
IV.MURB.HHN. ML:1.5 0.000289 1.1 AML other m 2021-10-07T06:30:03.86
IV.FOSV.EHE. ML:1.1 0.000076050405 0.1792 AML other m 2021-10-07T06:30:05.69
IV.FOSV.EHN. ML:1.3 0.00011348625000000001 0.1984 AML other m 2021-10-07T06:30:05.76
IV.MML1.EHE. ML:1.2 0.00007001620999999999 0.2016 AML other m 2021-10-07T06:30:08.28
IV.MML1.EHN. ML:1.3 0.000083256225 0.5792 AML other m 2021-10-07T06:30:26.28
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