Earthquake (quarry blast) with magnitude of ML 1.1 on date 10-06-2020 and time 10:21:42 (Italy) in region 5 km E Foligno (PG)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 5 km E Foligno (PG), on

  • 10-06-2020 08:21:42 (UTC)
  • 10-06-2020 10:21:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9370, 12.7630 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
Foligno PG 5 57155 57155
Trevi PG 7 8469 65624
Spello PG 10 8645 74269
Montefalco PG 10 5679 79948
Bevagna PG 12 5081 85029
Campello sul Clitunno PG 13 2442 87471
Valtopina PG 14 1398 88869
Sellano PG 14 1079 89948
Castel Ritaldi PG 15 3278 93226
Cannara PG 16 4305 97531
Gualdo Cattaneo PG 17 6155 103686
Cerreto di Spoleto PG 18 1075 104761
Giano dell'Umbria PG 19 3846 108607
Assisi PG 19 28299 136906
Nocera Umbra PG 20 5839 142745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of Foligno (57155 inhabitants)
36 Km SE of Perugia (166134 inhabitants)
43 Km N of Terni (111501 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
83 Km W of Teramo (54892 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
97 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 1.1 2020-06-10
08:21:42
42.9367 12.7627 1 2020-11-19
12:36:57
Bollettino Sismico Italiano INGV 81795051
Reviewed
Rev100
ML 1.3 2020-06-10
08:21:41
42.9207 12.7435 10 2020-06-10
08:38:52
Sala Sismica INGV-Roma 80058761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-10 08:21:42 ± 0.17
Latitude 42.9367 ± 0.0126
Longitude 12.7627 ± 0.0111
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 81795051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1370
Semi-minor axis of confidence ellipse (meter) 860
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 81795051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-09 00:38:37

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 80058761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-10 08:38:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2020-06-10T08:23:26.38 3.0 negative manual Pg 18 0
IV.STAL.HHZ. 2020-06-10T08:23:22.42 3.0 undecidable manual Sg 13.08 0
IV.CMPR.HHZ. 2020-06-10T08:23:08.75 3.0 undecidable manual Sn -4.56 0
IV.BSSO.HHZ. 2020-06-10T08:22:49.43 3.0 undecidable manual Sg 6.74 0
IV.NDIM.HHZ. 2020-06-10T08:22:42.07 3.0 undecidable manual Sn 0.84 0
IV.TDS.HHZ. 2020-06-10T08:22:41.85 3.0 undecidable manual Pn -3.65 0
IV.VARE.HHZ. 2020-06-10T08:22:40.17 3.0 undecidable manual Pn 3.72 0
IT.LRNO.HNZ. 2020-06-10T08:22:38.44 3.0 undecidable manual Sn -5.43 0
IV.ROSPO.HHZ. 2020-06-10T08:22:36.54 3.0 undecidable manual Sn -2.89 0
OX.CIMO.HHZ. 2020-06-10T08:22:28.24 3.0 undecidable manual Pn -1.59 0
GU.POPM.HHZ. 2020-06-10T08:22:25.51 3.0 undecidable manual Sn -0.5 0
IV.MNTV.HNZ. 2020-06-10T08:22:19.98 3.0 negative manual Pn 2.78 0
IV.VAGA.HHZ. 2020-06-10T08:22:18.77 3.0 positive manual Pg 5.9 0
IV.ROSPO.HHZ. 2020-06-10T08:22:16.21 3.0 undecidable manual Pg 3.71 0
IV.PTRJ.HNZ. 2020-06-10T08:22:16.43 3.0 undecidable manual Pn 0.92 0
GU.GRAM.HHZ. 2020-06-10T08:22:12.49 3.0 positive manual Pn -1.63 0
IV.NDIM.HNZ. 2020-06-10T08:22:10.40 3.0 undecidable manual Pn -3.11 0
GU.GSCL.HHZ. 2020-06-10T08:22:09.95 3.0 undecidable manual Pn 0.8 0
IV.VVLD.HHZ. 2020-06-10T08:22:05.45 3.0 positive manual Pg 1.42 0
IV.BADI.EHZ. 2020-06-10T08:21:58.32 3.0 undecidable manual S 0.06 0
IT.RMMM.HGZ. 2020-06-10T08:21:56.20 3.0 undecidable manual P -1.8 0
IV.NARO.HHZ. 2020-06-10T08:21:54.60 3.0 positive manual P 2.63 0
IV.MMO1.EHZ. 2020-06-10T08:21:51.36 0.3 undecidable manual P 95 46.0206 91 -0.13 94
IV.LATE.HHZ. 2020-06-10T08:21:48.38 3.0 undecidable manual P 0.39 0
IV.FDMO.HHZ. 2020-06-10T08:21:48.18 0.6 undecidable manual P 67 28.5492 91 0.19 64
IV.ATCC.EHZ. 2020-06-10T08:21:48.02 0.3 undecidable manual P 340 29.3484 91 -0.12 97
IV.MOMA.HHZ. 2020-06-10T08:21:46.50 0.6 undecidable manual P 227 21.4674 91 -0.08 66
IV.CESI.HHZ. 2020-06-10T08:21:45.12 0.3 undecidable manual P 57 13.7751 92 0.09 100
IV.ASSB.HHZ. 2020-06-10T08:21:44.77 0.3 undecidable manual P 324 14.4744 92 -0.4 94
IT.FOPC.HGN. 2020-06-10T08:21:43.97 0.3 undecidable manual P 307 6.0939 95 0.48 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.3 0.0002505 0.62 AML other m 2020-06-10T08:21:49.96
IV.ASSB.HHE. ML:1.1 0.000154 0.36 AML other m 2020-06-10T08:21:50.44
IV.MOMA.HHN. ML:1.0 0.0000788 1.64 AML other m 2020-06-10T08:21:51.87
IV.MOMA.HHE. ML:1.0 0.0000803 0.24 AML other m 2020-06-10T08:21:52.30
IV.ASSB.HHN. ML:1.0 0.00010899999999999999 1.44 AML other m 2020-06-10T08:21:54.21
IV.CESI.HHE. ML:1.2 0.0001895 0.64 AML other m 2020-06-10T08:21:55.45
IV.FDMO.HHE. ML:0.9 0.0000471 0.54 AML other m 2020-06-10T08:21:55.60
IV.FDMO.HHN. ML:1.0 0.00005085 0.62 AML other m 2020-06-10T08:21:56.44
IV.ATCC.EHE. ML:1.3 0.0001131 0.42 AML other m 2020-06-10T08:21:57.54
IV.ATCC.EHN. ML:1.3 0.0001012 0.5 AML other m 2020-06-10T08:21:58.78
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