Earthquake (quarry blast) with magnitude of ML 1.1 on date 01-06-2021 and time 10:47:00 (Italy) in region 10 km S Umbertide (PG)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 10 km S Umbertide (PG), on

  • 01-06-2021 08:47:00 (UTC)
  • 01-06-2021 10:47:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2240, 12.2960 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Umbertide PG 10 16681 16681
Corciano PG 11 21332 38013
Magione PG 12 14865 52878
Lisciano Niccone PG 13 613 53491
Passignano sul Trasimeno PG 14 5746 59237
Perugia PG 15 166134 225371
Montone PG 16 1680 227051
Tuoro sul Trasimeno PG 18 3780 230831

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Perugia (166134 inhabitants)
43 Km SE of Arezzo (99543 inhabitants)
45 Km NW of Foligno (57155 inhabitants)
79 Km E of Siena (53903 inhabitants)
79 Km NW of Terni (111501 inhabitants)
90 Km SW of Fano (60888 inhabitants)
91 Km N of Viterbo (67173 inhabitants)
91 Km SW of Pesaro (94582 inhabitants)
96 Km S of Rimini (147750 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 1.1 2021-06-01
08:47:00
43.224 12.2958 1 2021-12-29
11:12:14
Bollettino Sismico Italiano INGV 93237971
Reviewed
Rev100
ML 1.6 2021-06-01
08:46:59
43.2332 12.2898 9 2021-06-01
09:00:19
Sala Sismica INGV-Roma 90687331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-01 08:47:00 ± 0.15
Latitude 43.2240 ± 0.0081
Longitude 12.2958 ± 0.0062
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 93237971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 920
Semi-minor axis of confidence ellipse (meter) 440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26170
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.6
Num. used stations 14
Type of magnitude ML
Reference to an origin 90687331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-01 09:00:19

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 93237971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-10 14:11:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SL.KOGS.BHZ. 2021-06-01T08:48:54.77 3.0 undecidable manual Sn 1.68 0
IV.MILZ.HHZ. 2021-06-01T08:48:30.74 3.0 positive manual Pg 11.65 0
IV.AGLI.HHZ. 2021-06-01T08:48:28.18 3.0 undecidable manual Sn 2.82 0
IV.SARZ.HNZ. 2021-06-01T08:48:24.32 3.0 undecidable manual Sn 3.28 0
IV.VAGA.HHZ. 2021-06-01T08:48:03.50 3.0 undecidable manual Sn -1.21 0
IV.PZUN.HHZ. 2021-06-01T08:47:59.14 3.0 negative manual Pn 4.16 0
IV.SGRT.HHZ. 2021-06-01T08:47:49.69 3.0 undecidable manual Pn 4.77 0
IV.ZONE.HHZ. 2021-06-01T08:47:48.34 3.0 undecidable manual Pn 2.43 0
IV.TST01.HHZ. 2021-06-01T08:47:40.11 3.0 negative manual Pg 6.23 0
IV.ZEN8.EHZ. 2021-06-01T08:47:40.63 3.0 undecidable manual Pn -0.89 0
IV.IMOL.HNZ. 2021-06-01T08:47:37.93 3.0 undecidable manual S -0.53 0
IV.LPEL.HHZ. 2021-06-01T08:47:31.15 3.0 undecidable manual Pn 1.59 0
IV.TOLF.HHZ. 2021-06-01T08:47:19.89 3.0 negative manual P -1.06 0
IV.FIR.HHZ. 2021-06-01T08:47:18.28 3.0 undecidable manual P 0.36 0
IV.BRIS.HHZ. 2021-06-01T08:47:17.27 3.0 undecidable manual P -2.42 0
IV.SAP2.EHZ. 2021-06-01T08:47:16.88 3.0 negative manual P 1.13 0
IV.CAFI.HHZ. 2021-06-01T08:47:06.13 0.6 undecidable manual P 294 29.0487 91 0.06 49
IV.ATPI.EHZ. 2021-06-01T08:47:05.73 0.6 undecidable manual P 19 26.5512 91 0.16 48
IV.ATVO.HHZ. 2021-06-01T08:47:04.24 0.3 undecidable manual P 27 19.6692 91 0.05 75
IV.MURB.HHZ. 2021-06-01T08:47:04.00 0.3 undecidable manual P 77 18.9699 92 -0.05 75
IV.ATMI.HHZ. 2021-06-01T08:47:02.79 0.3 undecidable manual P 350 12.3765 92 0.05 76
IV.ATLO.EHZ. 2021-06-01T08:47:02.97 0.3 undecidable manual P 42 13.5753 92 0.01 76
IV.ATVA.EHZ. 2021-06-01T08:47:01.31 0.1 positive manual P 352 6.0939 95 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHE. ML:1.1 0.00019292785 0.1984 AML other m 2021-06-01T08:47:05.00
IV.ATMI.HHN. ML:0.9 0.00012235715 1.3952 AML other m 2021-06-01T08:47:05.19
IV.MURB.HNE. ML:1.4 0.00020288745 0.4288 AML other m 2021-06-01T08:47:07.32
IV.MURB.HHE. ML:1.2 0.00014077685 0.4224 AML other m 2021-06-01T08:47:07.53
IV.ATVO.HHN. ML:0.4 0.000019931539999999997 0.3392 AML other m 2021-06-01T08:47:07.16
IV.ATVO.HHE. ML:0.7 0.00004154271 0.3776 AML other m 2021-06-01T08:47:07.56
IV.MURB.HHN. ML:1.4 0.000235 0.24 AML other m 2021-06-01T08:47:07.76
IV.MURB.HNN. ML:1.4 0.00021156205 0.2496 AML other m 2021-06-01T08:47:07.77
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