Earthquake with magnitude of ML 1.1 on date 26-09-2018 and time 23:59:37 (Italy) in region 3 km SW Campello sul Clitunno (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km SW Campello sul Clitunno (PG), on

  • 26-09-2018 21:59:37 (UTC)
  • 26-09-2018 23:59:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8, 12.76 at 8 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
Campello sul Clitunno PG 3 2442 2442
Castel Ritaldi PG 7 3278 5720
Spoleto PG 8 38218 43938
Trevi PG 9 8469 52407
Vallo di Nera PG 9 364 52771
Sant'Anatolia di Narco PG 10 564 53335
Scheggino PG 12 461 53796
Cerreto di Spoleto PG 13 1075 54871
Montefalco PG 13 5679 60550
Giano dell'Umbria PG 15 3846 64396
Sellano PG 17 1079 65475
Poggiodomo PG 18 117 65592
Foligno PG 18 57155 122747
Bevagna PG 19 5081 127828
Massa Martana PG 19 3770 131598

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Foligno (57155 inhabitants)
28 Km NE of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
68 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
79 Km W of Teramo (54892 inhabitants)
89 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 1.1 2018-09-26
21:59:37
42.8 12.76 8 2018-09-26
22:08:34
Sala Sismica INGV-Roma 61346851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-26 21:59:37 ± 0.09
Latitude 42.80 ± 0.00
Longitude 12.76 ± 0.01
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 61346851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 528
Semi-minor axis of confidence ellipse (meter) 361
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 530
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.58366
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 61346851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-26 22:08:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FVI.HHZ. 2018-09-26T22:01:06.18 3.0 undecidable manual Sn -4.07 0
IV.SARZ.HHZ. 2018-09-26T22:00:52.53 3.0 undecidable manual Sn 1.57 0
IV.ORZI.HHZ. 2018-09-26T22:00:49.49 3.0 undecidable manual Sn -0.65 0
IV.MCRV.HHZ. 2018-09-26T22:00:40.51 3.0 undecidable manual Sn -9.11 0
IV.VITU.HHZ. 2018-09-26T22:00:35.15 3.0 undecidable manual Sn -0.73 0
IV.CTI.HHZ. 2018-09-26T22:00:29.98 3.0 undecidable manual Pg 12.53 0
IV.MCRV.HHZ. 2018-09-26T22:00:17.69 3.0 undecidable manual Pg 4 0
IV.MILN.HHZ. 2018-09-26T22:00:16.82 3.0 undecidable manual Pn -1.72 0
IV.CAFE.HHZ. 2018-09-26T22:00:12.64 3.0 undecidable manual Pn 0.47 0
IV.PTRJ.HNZ. 2018-09-26T22:00:06.35 3.0 undecidable manual Pg 2.7 0
IV.RIBO.EHZ.01 2018-09-26T22:00:04.42 3.0 undecidable manual Sg 8.34 0
IV.SAMA.HHZ. 2018-09-26T22:00:03.01 3.0 undecidable manual Sg 0.96 0
IV.VITU.HHZ. 2018-09-26T22:00:02.16 3.0 undecidable manual Pn -3.81 0
IV.FRES.HHZ. 2018-09-26T22:00:02.14 3.0 undecidable manual Pn 1.32 0
IV.EL6.EHZ. 2018-09-26T21:59:58.66 0.3 undecidable manual S 25 0.5837 50 0.55 61
IV.MURB.HNE. 2018-09-26T21:59:55.99 0.3 undecidable manual S 340 0.491 50 0.62 60
IV.LRP.EHZ. 2018-09-26T21:59:54.81 3.0 undecidable manual Pg 0.82 0
IV.SNTG.HNN. 2018-09-26T21:59:54.86 0.3 undecidable manual S 16 0.4721 50 0.06 70
IV.MMO1.EHZ. 2018-09-26T21:59:53.28 0.1 undecidable manual S 77 0.4281 50 -0.22 91
IV.FDMO.HHZ. 2018-09-26T21:59:50.40 0.3 undecidable manual S 46 0.3363 50 -0.38 67
IV.MURB.HNE. 2018-09-26T21:59:49.19 0.3 undecidable manual P 340 0.491 50 1.31 44
IV.LNSS.HHZ. 2018-09-26T21:59:49.39 0.3 undecidable manual S 134 0.2878 104 0.34 68
IV.EL6.EHZ. 2018-09-26T21:59:49.08 0.1 undecidable manual P 25 0.5837 50 -0.38 85
IV.SNTG.HNN. 2018-09-26T21:59:48.07 0.3 undecidable manual P 16 0.4721 50 0.52 63
IV.NRCA.HHZ. 2018-09-26T21:59:48.37 0.3 undecidable manual S 83 0.2635 105 0.23 70
IV.CESI.HHZ. 2018-09-26T21:59:47.07 0.1 undecidable manual S 28 0.2293 107 0.19 95
IV.MGAB.HHZ. 2018-09-26T21:59:47.63 0.3 undecidable manual P 283 0.4856 50 -0.15 68
IV.ASSB.HHZ. 2018-09-26T21:59:47.55 0.3 undecidable manual S 343 0.2509 106 -0.14 72
IV.SMA1.EHZ. 2018-09-26T21:59:47.13 0.1 undecidable manual P 112 0.4578 50 -0.17 91
IV.ARRO.EHZ. 2018-09-26T21:59:47.37 0.3 undecidable manual S 179 0.223 108 0.72 61
IV.MMO1.EHZ. 2018-09-26T21:59:46.36 0.1 undecidable manual P 77 0.4281 50 -0.44 87
IV.CESX.HHZ. 2018-09-26T21:59:46.59 0.1 undecidable manual S 213 0.2311 107 -0.34 92
IV.FDMO.HHZ. 2018-09-26T21:59:44.97 0.1 undecidable manual P 46 0.3363 50 -0.26 92
IV.FEMA.HNZ. 2018-09-26T21:59:44.25 0.3 undecidable manual P 53 0.2671 105 0.47 67
IV.TRIF.HHZ. 2018-09-26T21:59:44.83 3.0 negative manual P -0.61 0
IV.SAMA.HHZ. 2018-09-26T21:59:44.04 3.0 positive manual P -2.92 0
IV.TOLF.HHZ. 2018-09-26T21:59:44.10 3.0 undecidable manual Pg 1.45 0
IV.ARRO.EHZ. 2018-09-26T21:59:43.17 0.1 undecidable manual P 179 0.223 108 0.33 93
IV.NRCA.HHZ. 2018-09-26T21:59:43.41 0.1 undecidable manual P 83 0.2635 105 -0.29 93
IV.MOMA.HHZ. 2018-09-26T21:59:43.63 0.1 undecidable manual S 271 0.1376 117 0.04 100
IV.LNSS.HHZ. 2018-09-26T21:59:43.95 0.3 undecidable manual P 134 0.2878 104 -0.27 69
IV.CESX.HHZ. 2018-09-26T21:59:42.98 0.3 undecidable manual P 213 0.2311 107 -0.03 74
IV.CESI.HHZ. 2018-09-26T21:59:42.89 0.1 undecidable manual P 28 0.2293 107 -0.09 97
IV.ASSB.HHZ. 2018-09-26T21:59:42.99 0.1 undecidable manual P 343 0.2509 106 -0.45 90
IV.MOMA.HHZ. 2018-09-26T21:59:40.84 0.1 undecidable manual P 271 0.1376 117 -0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.0001158 0.82 AML other m 2018-09-26T21:59:51.94
IV.MOMA.HHN. ML:1.2 0.0001565 1.26 AML other m 2018-09-26T21:59:45.19
IV.CESI.HHE. ML:1.1 6.955E-5 1.6 AML other m 2018-09-26T21:59:47.18
IV.CESI.HHN. ML:1.3 0.000125 0.42 AML other m 2018-09-26T21:59:48.17
IV.CESX.HHE. ML:1.1 6.855E-5 0.3 AML other m 2018-09-26T21:59:48.69
IV.ASSB.HHN. ML:1.1 7.015E-5 0.42 AML other m 2018-09-26T21:59:48.60
IV.ASSB.HHE. ML:1.3 9.77E-5 0.42 AML other m 2018-09-26T21:59:48.79
IV.CESX.HHN. ML:1.2 8.93E-5 0.56 AML other m 2018-09-26T21:59:49.10
IV.NRCA.HHE. ML:1.4 0.000121 0.82 AML other m 2018-09-26T21:59:50.80
IV.MOMA.HNE. ML:1.2 0.000168516445 0.128 AML other m 2018-09-26T21:59:45.35
IV.ARRO.EHN. ML:0.9 4.387645E-5 0.1792 AML other m 2018-09-26T21:59:51.83
IV.ARRO.EHE. ML:0.8 4.1022335E-5 0.3072 AML other m 2018-09-26T21:59:48.09
IV.FDMO.HHN. ML:1 4.142493E-5 0.7936 AML other m 2018-09-26T21:59:52.81
IV.FDMO.HHE. ML:1 3.4316145E-5 0.1792 AML other m 2018-09-26T21:59:51.33
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download