Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 09-09-2019 and time 13:52:53 (Italy) in region 3 km SE Montefalco (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km SE Montefalco (PG), on

  • 09-09-2019 11:52:53 (UTC)
  • 09-09-2019 13:52:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8750, 12.6800 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montefalco PG 3 5679 5679
Trevi PG 6 8469 14148
Castel Ritaldi PG 6 3278 17426
Bevagna PG 9 5081 22507
Foligno PG 9 57155 79662
Giano dell'Umbria PG 9 3846 83508
Campello sul Clitunno PG 10 2442 85950
Gualdo Cattaneo PG 11 6155 92105
Spello PG 13 8645 100750
Cannara PG 16 4305 105055
Spoleto PG 16 38218 143273
Massa Martana PG 17 3770 147043
Vallo di Nera PG 19 364 147407
Collazzone PG 20 3473 150880

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km S of Foligno (57155 inhabitants)
35 Km N of Terni (111501 inhabitants)
35 Km SE of Perugia (166134 inhabitants)
69 Km NE of Viterbo (67173 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
87 Km W of Teramo (54892 inhabitants)
92 Km SE of Arezzo (99543 inhabitants)
97 Km N of Guidonia Montecelio (88673 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 1.3 2019-09-09
11:52:53		 42.8748 12.68 11 2020-02-28
16:41:50		 Bollettino Sismico Italiano INGV 72394731
Reviewed
Rev100 		ML 1.3 2019-09-09
11:52:53		 42.8742 12.6792 11 2019-09-09
12:11:23		 Sala Sismica INGV-Roma 72258291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-09 11:52:53 ± 0.03
Latitude 42.8748 ± 0.0018
Longitude 12.6800 ± 0.0037
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 72394731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 288
Semi-minor axis of confidence ellipse (meter) 181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53690
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 72394731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-14 08:40:15

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 72258291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-09 12:11:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ROSI.HHZ. 2019-09-09T11:54:34.63 3.0 undecidable manual Sn 4.66 0
IV.MGR.HHZ. 2019-09-09T11:53:49.30 3.0 undecidable manual Pn 5.43 0
IV.POFI.HHZ. 2019-09-09T11:53:45.47 3.0 undecidable manual Sg 9.1 0
IV.FVI.HHZ. 2019-09-09T11:53:44.32 3.0 positive manual Pn 4.59 0
IV.RNI2.HHZ. 2019-09-09T11:53:43.13 3.0 undecidable manual Sn 1.69 0
IV.MIDA.HHZ. 2019-09-09T11:53:43.63 3.0 undecidable manual Sn -0.16 0
IV.CAFE.HHZ. 2019-09-09T11:53:42.49 3.0 negative manual Pg 10.13 0
IV.CERA.HHZ. 2019-09-09T11:53:40.89 3.0 undecidable manual Sn -1.05 0
IV.SARZ.HHZ. 2019-09-09T11:53:37.34 3.0 negative manual Pn 2.58 0
IT.ORP.HGZ. 2019-09-09T11:53:36.63 3.0 undecidable manual Pg 6.49 0
IV.MRB1.HHZ. 2019-09-09T11:53:36.74 3.0 undecidable manual Pg 7.22 0
IV.VAGA.HHZ. 2019-09-09T11:53:23.56 3.0 undecidable manual Pn 1.96 0
IV.MODR.HHZ. 2019-09-09T11:53:21.09 3.0 positive manual Pn -1.71 0
IT.FIE.HGZ. 2019-09-09T11:53:21.55 3.0 undecidable manual S -0.7 0
IV.RM33.HNE. 2019-09-09T11:53:11.85 0.6 undecidable manual S 133 59.5959 50 0.34 43
IV.CSP1.EHZ. 2019-09-09T11:53:08.48 0.6 undecidable manual S 60 48.9177 50 -0.19 46
IV.MC2.EHZ. 2019-09-09T11:53:07.13 0.3 undecidable manual S 84 41.5251 50 0.43 66
IV.LNSS.HNZ. 2019-09-09T11:53:06.77 0.3 undecidable manual S 136 42.1245 50 -0.08 71
IV.FDMO.HHZ. 2019-09-09T11:53:05.58 0.6 undecidable manual S 61 37.629 50 -0.07 48
IV.MML1.HNE. 2019-09-09T11:53:05.22 0.3 undecidable manual S 42 35.5422 50 0.13 71
IV.ARRO.EHZ. 2019-09-09T11:53:04.80 0.3 undecidable manual S 168 33.5442 50 0.24 70
IV.NRCA.HHZ. 2019-09-09T11:53:04.99 0.3 undecidable manual S 97 35.6421 50 -0.13 71
IV.FEMA.HNE. 2019-09-09T11:53:03.96 0.6 undecidable manual S 72 31.5462 50 -0.07 48
IV.CESX.HHZ. 2019-09-09T11:53:03.64 0.3 undecidable manual S 194 30.5472 50 -0.11 72
IV.RM33.HNE. 2019-09-09T11:53:03.54 0.6 undecidable manual P 133 59.5959 50 -0.2 45
IV.ATLO.EHE. 2019-09-09T11:53:03.09 0.1 undecidable manual P 336 53.6019 50 0.27 89
IT.MTCL.HGZ. 2019-09-09T11:53:03.20 0.3 undecidable manual S 63 29.1486 50 -0.18 71
IV.GAVE.EHZ. 2019-09-09T11:53:02.73 0.3 undecidable manual S 139 26.751 50 -0.02 74
IV.CSP1.EHZ. 2019-09-09T11:53:02.20 0.3 undecidable manual P 60 48.9177 50 0.1 70
IV.MGAB.HHE. 2019-09-09T11:53:01.49 0.6 undecidable manual P 275 46.3203 50 -0.21 46
IV.LNSS.HNZ. 2019-09-09T11:53:01.04 0.1 undecidable manual P 136 42.1245 50 -0.01 96
IV.FOSV.EHZ. 2019-09-09T11:53:01.48 0.6 undecidable manual P 8 47.0196 50 -0.33 44
IV.ASSB.HHZ. 2019-09-09T11:53:00.60 0.3 undecidable manual S 355 18.6702 50 0.01 75
IV.FDMO.HHZ. 2019-09-09T11:53:00.29 0.1 undecidable manual P 61 37.629 50 -0.06 96
IV.MC2.EHZ. 2019-09-09T11:53:00.97 0.6 undecidable manual P 84 41.5251 50 0.01 48
IV.MML1.HNE. 2019-09-09T11:52:59.97 0.1 undecidable manual P 42 35.5422 50 -0.06 96
IV.NRCA.HHZ. 2019-09-09T11:52:59.88 0.1 undecidable manual P 97 35.6421 50 -0.17 94
IV.ARRO.EHZ. 2019-09-09T11:52:59.89 0.6 undecidable manual P 168 33.5442 50 0.16 47
IV.FEMA.HNE. 2019-09-09T11:52:59.36 0.1 undecidable manual P 72 31.5462 50 -0.06 97
IV.CESX.HHZ. 2019-09-09T11:52:59.20 0.6 undecidable manual P 194 30.5472 50 -0.06 48
IT.MTCL.HGZ. 2019-09-09T11:52:58.97 0.3 undecidable manual P 63 29.1486 50 -0.07 73
IT.FOPC.HGE. 2019-09-09T11:52:58.41 0.3 undecidable manual S 10 10.6782 136 -0.02 76
IV.MOMA.HHZ. 2019-09-09T11:52:58.60 0.3 undecidable manual S 229 11.877 133 -0.13 74
IV.GAVE.EHZ. 2019-09-09T11:52:58.70 0.1 undecidable manual P 139 26.751 50 0.02 98
IT.GNU.HGE. 2019-09-09T11:52:58.59 0.3 undecidable manual S 229 11.877 133 -0.14 74
IV.ASSB.HHZ. 2019-09-09T11:52:57.47 0.3 undecidable manual P 355 18.6702 50 0.03 75
IT.GNU.HGE. 2019-09-09T11:52:56.50 0.1 undecidable manual P 229 11.877 133 0.14 98
IT.FOPC.HGE. 2019-09-09T11:52:56.35 0.1 undecidable manual P 10 10.6782 136 0.17 98
IV.MOMA.HHZ. 2019-09-09T11:52:56.42 0.1 undecidable manual P 229 11.877 133 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.6 0.00039349999999999997 0.56 AML other m 2019-09-09T11:52:59.06
IV.MOMA.HHE. ML:1.6 0.0004415 1.12 AML other m 2019-09-09T11:52:59.18
IV.ASSB.HHN. ML:1.2 0.00011549999999999999 1.3 AML other m 2019-09-09T11:53:01.22
IV.ASSB.HHE. ML:1.2 0.0001265 0.72 AML other m 2019-09-09T11:53:02.56
IV.CESX.HHN. ML:1.4 0.0001167 0.4 AML other m 2019-09-09T11:53:04.46
IV.CESX.HHE. ML:1.4 0.00010600000000000002 0.3 AML other m 2019-09-09T11:53:04.81
IV.GAVE.EHN. ML:1.2 0.0000809 0.88 AML other m 2019-09-09T11:53:04.82
IV.ARRO.EHE. ML:1.2 0.000059 0.18 AML other m 2019-09-09T11:53:05.33
IV.ARRO.EHN. ML:1.2 0.000063 1.1 AML other m 2019-09-09T11:53:05.86
IV.GAVE.EHE. ML:1.1 0.0000747 0.8 AML other m 2019-09-09T11:53:05.44
IV.FDMO.HHN. ML:1.1 0.000050549999999999995 1.44 AML other m 2019-09-09T11:53:06.26
IV.NRCA.HHE. ML:1.5 0.00011935 0.08 AML other m 2019-09-09T11:53:06.78
IV.FDMO.HHE. ML:1.1 0.000047550000000000004 0.26 AML other m 2019-09-09T11:53:07.78
IV.NRCA.HHN. ML:1.3 0.00007745 1.08 AML other m 2019-09-09T11:53:08.73
IV.FOSV.EHN. ML:1.2 0.000050199999999999994 0.68 AML other m 2019-09-09T11:53:10.13
IV.FOSV.EHE. ML:1.2 0.000048899999999999996 1.1 AML other m 2019-09-09T11:53:10.88
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