Earthquake with magnitude of ML 1.1 on date 29-07-2020 and time 11:18:24 (Italy) in region 3 km SE Foligno (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km SE Foligno (PG), on

  • 29-07-2020 09:18:24 (UTC)
  • 29-07-2020 11:18:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9320, 12.7290 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 57155 57155
Trevi PG 6 8469 65624
Montefalco PG 7 5679 71303
Spello PG 8 8645 79948
Bevagna PG 10 5081 85029
Castel Ritaldi PG 13 3278 88307
Campello sul Clitunno PG 13 2442 90749
Cannara PG 14 4305 95054
Gualdo Cattaneo PG 14 6155 101209
Valtopina PG 14 1398 102607
Giano dell'Umbria PG 16 3846 106453
Sellano PG 17 1079 107532
Assisi PG 18 28299 135831
Cerreto di Spoleto PG 20 1075 136906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km SE of Foligno (57155 inhabitants)
34 Km SE of Perugia (166134 inhabitants)
42 Km N of Terni (111501 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
85 Km W of Teramo (54892 inhabitants)
91 Km SE of Arezzo (99543 inhabitants)
100 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
Reviewed
Rev100
ML 1.1 2020-07-29
09:18:24
42.9323 12.7287 10 2020-07-29
09:24:53
Sala Sismica INGV-Roma 81447121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-29 09:18:24 ± 0.08
Latitude 42.9323 ± 0.0045
Longitude 12.7287 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81447121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 647
Semi-minor axis of confidence ellipse (meter) 432
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
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) 0.38311
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 81447121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-29 09:24:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2020-07-29T09:18:54.14 3.0 undecidable manual S -0.3 0
IV.CSP1.EHZ. 2020-07-29T09:18:39.05 0.6 undecidable manual S 65 42.5241 50 0.46 43
IV.MURB.HHZ. 2020-07-29T09:18:38.49 0.6 undecidable manual S 336 40.2264 50 0.49 43
IV.NRCA.HHZ. 2020-07-29T09:18:36.09 0.6 undecidable manual S 109 33.2445 50 -0.03 48
IV.GAVE.EHZ. 2020-07-29T09:18:35.06 0.6 undecidable manual S 153 29.8479 50 -0.16 47
IV.FDMO.HHZ. 2020-07-29T09:18:35.42 0.3 undecidable manual S 68 31.3464 50 -0.19 70
IV.ATCC.EHZ. 2020-07-29T09:18:34.68 0.6 undecidable manual S 346 28.9488 50 -0.3 46
IV.CSP1.EHZ. 2020-07-29T09:18:33.07 0.6 positive manual P 65 42.5241 50 0.43 44
IV.MURB.HHZ. 2020-07-29T09:18:32.32 0.3 positive manual P 336 40.2264 50 0.03 72
IV.MOMA.HHZ. 2020-07-29T09:18:32.09 0.3 undecidable manual S 222 19.1697 117 0.1 73
IV.FDMO.HHZ. 2020-07-29T09:18:31.00 1.0 negative manual P 68 31.3464 50 0.08 24
IV.NRCA.HHZ. 2020-07-29T09:18:31.18 0.1 positive manual P 109 33.2445 50 -0.03 97
IV.ATCC.EHZ. 2020-07-29T09:18:30.13 0.6 undecidable manual P 346 28.9488 50 -0.43 45
IV.ASSB.HHZ. 2020-07-29T09:18:30.06 0.6 undecidable manual S 335 13.4754 126 -0.23 48
IV.GAVE.EHZ. 2020-07-29T09:18:30.44 0.6 positive manual P 153 29.8479 50 -0.25 46
IV.MOMA.HHZ. 2020-07-29T09:18:29.09 1.0 undecidable manual P 222 19.1697 117 0.26 24
IV.ASSB.HHZ. 2020-07-29T09:18:27.87 0.1 undecidable manual P 335 13.4754 126 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.6 0.0004575 0.1 AML other m 2020-07-29T09:18:30.33
IV.ASSB.HHE. ML:1.6 0.00042249999999999997 0.26 AML other m 2020-07-29T09:18:30.34
IV.MOMA.HHE. ML:0.8 0.00005235 1.1 AML other m 2020-07-29T09:18:33.69
IV.MOMA.HHN. ML:0.7 0.00003675 0.26 AML other m 2020-07-29T09:18:35.40
IV.ATCC.EHE. ML:1.2 0.00007580000000000001 0.42 AML other m 2020-07-29T09:18:35.62
IV.GAVE.EHE. ML:1.3 0.00009384999999999999 0.3 AML other m 2020-07-29T09:18:35.64
IV.ATCC.EHN. ML:1.1 0.00006620000000000001 0.32 AML other m 2020-07-29T09:18:35.65
IV.FDMO.HHE. ML:0.8 0.0000308 0.24 AML other m 2020-07-29T09:18:35.94
IV.NRCA.HHE. ML:1.0 0.00003885 0.18 AML other m 2020-07-29T09:18:36.57
IV.NRCA.HHN. ML:1.1 0.0000533 1.52 AML other m 2020-07-29T09:18:36.85
IV.GAVE.EHN. ML:1.1 0.000058099999999999996 0.18 AML other m 2020-07-29T09:18:37.12
IV.FDMO.HHN. ML:0.8 0.0000312 0.24 AML other m 2020-07-29T09:18:37.62
IV.MURB.HHN. ML:1.5 0.00010705 1.76 AML other m 2020-07-29T09:18:38.89
IV.MURB.HHE. ML:1.2 0.00005935 0.98 AML other m 2020-07-29T09:18:40.23
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download