Earthquake with magnitude of ML 0.3 on date 27-09-2021 and time 06:34:41 (Italy) in region 10 km E Foligno (PG)

A magnitude ML 0.3 earthquake occured in region: 10 km E Foligno (PG), on

  • 27-09-2021 04:34:41 (UTC)
  • 27-09-2021 06:34:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.958, 12.831 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 10 57155 57155
Sellano PG 11 1079 58234
Trevi PG 11 8469 66703
Valtopina PG 13 1398 68101
Spello PG 14 8645 76746
Monte Cavallo MC 15 145 76891
Campello sul Clitunno PG 16 2442 79333
Serravalle di Chienti MC 16 1070 80403
Montefalco PG 16 5679 86082
Cerreto di Spoleto PG 17 1075 87157
Nocera Umbra PG 17 5839 92996
Bevagna PG 18 5081 98077
Preci PG 19 724 98801
Castel Ritaldi PG 20 3278 102079

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km E of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
47 Km NE of Terni (111501 inhabitants)
79 Km W of Teramo (54892 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
95 Km SE of Arezzo (99543 inhabitants)
100 Km S of Fano (60888 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 0.3 2021-09-27
04:34:41
42.9583 12.8313 10 2021-09-27
12:50:51
Sala Sismica INGV-Roma 95947571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-27 04:34:41 ± 0.08
Latitude 42.9583 ± 0.0090
Longitude 12.8313 ± 0.0061
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 95947571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1006
Semi-minor axis of confidence ellipse (meter) 476
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.36692
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 95947571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-27 12:50:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ECTS.HHZ. 2021-09-27T04:36:44.65 3.0 undecidable manual Sn -4.63 0
IV.TDS.HHZ. 2021-09-27T04:36:26.16 3.0 undecidable manual Sn 3.24 0
IV.CADC.EHZ. 2021-09-27T04:36:25.25 3.0 undecidable manual Sg 10.16 0
CR.STON.BHZ. 2021-09-27T04:36:24.40 3.0 undecidable manual Sg 9.29 0
IV.ZEN8.EHZ. 2021-09-27T04:36:22.03 3.0 undecidable manual Sg 8.56 0
IV.EUCT.HNZ. 2021-09-27T04:36:16.22 3.0 undecidable manual Sn -5.56 0
IV.SGAL.EHZ. 2021-09-27T04:36:15.30 3.0 undecidable manual Sn -0.24 0
IV.NDIM.HHZ. 2021-09-27T04:36:03.66 3.0 undecidable manual Sg 7.53 0
OT.OT12.EHZ. 2021-09-27T04:35:50.30 3.0 undecidable manual Sg 3.07 0
OX.ACOM.HHZ. 2021-09-27T04:35:43.61 3.0 undecidable manual Pg 5.67 0
CR.STON.BHZ. 2021-09-27T04:35:37.38 3.0 undecidable manual Pg 6.17 0
GU.RNCA.HHZ. 2021-09-27T04:35:33.84 3.0 undecidable manual Pn 3.62 0
GU.GSCL.HHZ. 2021-09-27T04:35:16.66 3.0 undecidable manual Pn 0.03 0
IV.MMO1.EHE. 2021-09-27T04:34:55.03 0.6 undecidable manual S 99 0.3669 50 0.14 47
IV.GAVE.EHZ. 2021-09-27T04:34:52.04 0.6 undecidable manual S 170 0.2698 50 0.03 49
IV.NRCA.HHZ. 2021-09-27T04:34:50.90 0.3 undecidable manual S 121 0.2419 50 -0.28 70
IV.MMO1.EHE. 2021-09-27T04:34:49.62 0.1 undecidable manual P 99 0.3669 50 0.44 87
IV.MML1.EHZ. 2021-09-27T04:34:49.20 0.6 undecidable manual S 33 0.1862 116 -0.16 48
IV.FDMO.HHZ. 2021-09-27T04:34:49.43 0.6 undecidable manual S 67 0.2023 114 -0.52 44
IV.ASSB.HHZ. 2021-09-27T04:34:48.04 0.6 undecidable manual S 304 0.152 121 -0.17 48
IT.MTCL.HGE. 2021-09-27T04:34:47.41 0.6 undecidable manual S 74 0.1277 126 -0.03 50
IV.GAVE.EHZ. 2021-09-27T04:34:47.34 0.1 undecidable manual P 170 0.2698 50 -0.17 94
IV.FDMO.HHZ. 2021-09-27T04:34:46.26 0.6 positive manual P 67 0.2023 114 -0.06 49
IV.NRCA.HHZ. 2021-09-27T04:34:46.98 0.1 undecidable manual P 121 0.2419 50 -0.05 97
IV.MML1.EHZ. 2021-09-27T04:34:45.92 0.6 undecidable manual P 33 0.1862 116 -0.06 49
IV.ASSB.HHZ. 2021-09-27T04:34:45.32 0.1 undecidable manual P 304 0.152 121 0 100
IT.MTCL.HGE. 2021-09-27T04:34:45.05 0.1 undecidable manual P 74 0.1277 126 0.17 97
IV.MTCE.HHZ. 2021-09-27T04:34:45.40 3.0 negative manual P -1.21 0
IV.CESI.HHZ. 2021-09-27T04:34:45.96 0.6 undecidable manual S 49 0.071 142 0.11 50
IV.CESI.HHZ. 2021-09-27T04:34:44.22 0.3 undecidable manual P 49 0.071 142 0.26 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.4 3.3537261E-5 0.0608 AML other m 2021-09-27T04:34:46.11
IV.CESI.HHN. ML:0.4 4.15E-5 0.64 AML other m 2021-09-27T04:34:47.01
IV.ASSB.HHE. ML:0.4 2.046561E-5 0.08 AML other m 2021-09-27T04:34:49.12
IV.ASSB.HHN. ML:0.5 2.5937795E-5 0.08 AML other m 2021-09-27T04:34:48.92
IV.MML1.EHE. ML:0.3 1.4277922E-5 0.64 AML other m 2021-09-27T04:34:49.58
IV.MML1.EHN. ML:0.2 1.01569195E-5 2.3008 AML other m 2021-09-27T04:34:50.46
IV.FDMO.HHE. ML:0.2 7.9410105E-6 1.1008 AML other m 2021-09-27T04:34:49.23
IV.FDMO.HHN. ML:0.2 8.281545E-6 1.5616 AML other m 2021-09-27T04:34:49.27
IV.NRCA.HHE. ML:0.3 1.2320655E-5 0.0576 AML other m 2021-09-27T04:34:52.02
IV.NRCA.HHN. ML:0.3 1.108248E-5 0.1376 AML other m 2021-09-27T04:34:51.93
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