Earthquake with magnitude of ML 1.5 on date 30-09-2018 and time 06:58:44 (Italy) in region 4 km S Montefalco (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km S Montefalco (PG), on

  • 30-09-2018 04:58:44 (UTC)
  • 30-09-2018 06:58:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.86, 12.64 at 9 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.

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 4 5679 5679
Castel Ritaldi PG 5 3278 8957
Giano dell'Umbria PG 6 3846 12803
Gualdo Cattaneo PG 9 6155 18958
Bevagna PG 9 5081 24039
Trevi PG 9 8469 32508
Campello sul Clitunno PG 12 2442 34950
Foligno PG 12 57155 92105
Massa Martana PG 13 3770 95875
Spello PG 15 8645 104520
Spoleto PG 16 38218 142738
Cannara PG 16 4305 147043
Collazzone PG 17 3473 150516
Acquasparta TR 20 4778 155294

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Foligno (57155 inhabitants)
33 Km N of Terni (111501 inhabitants)
34 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
90 Km W of Teramo (54892 inhabitants)
91 Km SE of Arezzo (99543 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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
Rev 1000 ML 1.5 2018-09-30
04:58:44
42.86 12.64 9 2019-06-04
09:16:06
Bollettino Sismico Italiano INGV 64679541
Rev 100 ML 1.5 2018-09-30
04:58:44
42.86 12.64 8 2018-09-30
05:53:42
Sala Sismica INGV-Roma 61466981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-30 04:58:44 ± 0.05
Latitude 42.86 ± 0.00
Longitude 12.64 ± 0.00
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64679541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 322
Semi-minor axis of confidence ellipse (meter) 257
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 320
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.57916
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 61466981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-30 05:53:42

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 64679541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-14 16:38:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2018-09-30T04:59:02.76 0.3 undecidable manual S 85 0.5045 50 0.31 67
IV.MC2.EHZ. 2018-09-30T04:59:00.04 0.3 undecidable manual S 82 0.4056 50 0.53 65
IV.MURB.HHZ. 2018-09-30T04:59:00.18 0.3 undecidable manual S 348 0.4137 50 0.43 66
IV.LNSS.HHZ. 2018-09-30T04:58:58.97 0.6 undecidable manual S 131 0.3894 50 -0.06 48
IV.NRCA.HHZ. 2018-09-30T04:58:57.78 0.3 undecidable manual S 94 0.348 50 -0.04 73
IV.ARRO.EHZ. 2018-09-30T04:58:56.41 0.3 undecidable manual S 162 0.2932 105 0.23 71
IV.SMA1.EHZ. 2018-09-30T04:58:55.87 0.3 undecidable manual P 114 0.5585 50 0.08 69
IV.EL6.EHZ. 2018-09-30T04:58:55.95 0.1 undecidable manual P 35 0.5792 50 -0.18 90
IV.MMO1.EHZ. 2018-09-30T04:58:54.69 0.1 undecidable manual P 85 0.5045 50 -0.17 92
IV.CESX.HHZ. 2018-09-30T04:58:54.75 0.3 undecidable manual S 189 0.2527 107 0.09 74
IV.CESI.HHZ. 2018-09-30T04:58:54.31 0.3 undecidable manual S 53 0.2428 108 0.01 75
IV.MURB.HHZ. 2018-09-30T04:58:53.28 0.1 undecidable manual P 348 0.4137 50 -0.02 96
IV.FOSV.EHZ. 2018-09-30T04:58:53.60 0.3 undecidable manual P 11 0.4452 50 -0.25 68
IV.ATTE.HHN. 2018-09-30T04:58:53.14 0.1 undecidable manual P 328 0.3993 50 0.09 95
IV.MC2.EHZ. 2018-09-30T04:58:53.19 0.3 undecidable manual P 82 0.4056 50 0.03 72
IV.NRCA.HHZ. 2018-09-30T04:58:52.03 0.1 undecidable manual P 94 0.348 50 -0.16 95
IV.LNSS.HHZ. 2018-09-30T04:58:52.55 0.1 undecidable manual P 131 0.3894 50 -0.33 91
IV.MGAB.HNZ. 2018-09-30T04:58:52.81 0.1 undecidable manual P 278 0.3903 50 -0.1 95
IV.ASSB.HHZ. 2018-09-30T04:58:52.20 0.3 undecidable manual S 4 0.1853 113 -0.01 76
IV.ARRO.EHZ. 2018-09-30T04:58:51.22 0.1 undecidable manual P 162 0.2932 105 -0.02 99
IV.CESI.HHZ. 2018-09-30T04:58:50.07 0.1 undecidable manual P 53 0.2428 108 -0.09 98
IV.CESX.HHZ. 2018-09-30T04:58:50.09 0.1 undecidable manual P 189 0.2527 107 -0.27 94
IV.ASSB.HHZ. 2018-09-30T04:58:48.89 0.1 undecidable manual P 4 0.1853 113 -0.05 100
IV.MOMA.HHE. 2018-09-30T04:58:48.89 0.6 undecidable manual S 224 0.0746 136 0.26 49
IV.MOMA.HHE. 2018-09-30T04:58:47.08 0.1 undecidable manual P 224 0.0746 136 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.5 0.00023089005 0.2784 AML other m 2018-09-30T04:58:53.40
IV.ASSB.HHE. ML:1.4 0.00019696735 0.2208 AML other m 2018-09-30T04:58:52.53
IV.CESI.HHE. ML:1.3 0.00010347252 0.24 AML other m 2018-09-30T04:58:55.17
IV.CESI.HHN. ML:1.3 0.000101758345 0.24 AML other m 2018-09-30T04:58:57.08
IV.CESX.HHE. ML:1.5 0.00015948585 0.7424 AML other m 2018-09-30T04:58:57.18
IV.CESX.HHN. ML:1.8 0.0003102786 0.16 AML other m 2018-09-30T04:58:55.64
IV.ARRO.EHN. ML:1.4 9.948654E-5 0.1792 AML other m 2018-09-30T04:58:57.42
IV.ARRO.EHE. ML:1.4 0.00012191175 0.24 AML other m 2018-09-30T04:58:56.84
IV.NRCA.HHN. ML:1.6 0.0001600828 0.1184 AML other m 2018-09-30T04:58:59.36
IV.NRCA.HNE. ML:1.3 7.3358505E-5 0.288 AML other m 2018-09-30T04:58:58.46
IV.NRCA.HNN. ML:1.7 0.0001919875 0.4192 AML other m 2018-09-30T04:58:59.56
IV.NRCA.HHE. ML:1.6 0.000141434 0.1408 AML other m 2018-09-30T04:58:59.17
IV.MURB.HHE. ML:2 0.000324986 0.2784 AML other m 2018-09-30T04:59:00.35
IV.MURB.HNN. ML:2.2 0.000418044 0.5792 AML other m 2018-09-30T04:59:00.60
IV.MURB.HNE. ML:2.1 0.0003418483 0.3008 AML other m 2018-09-30T04:59:01.27
IV.MURB.HHN. ML:2.1 0.0003503948 0.24 AML other m 2018-09-30T04:59:00.49
IV.FOSV.EHE. ML:1.5 8.7393244215E-5 6.4192 AML other m 2018-09-30T04:59:16.55
IV.FOSV.EHN. ML:1.3 5.063027E-5 5.1008 AML other m 2018-09-30T04:59:14.97
IV.SMA1.EHN. ML:1.4 5.595894E-5 1.0016 AML other m 2018-09-30T04:59:06.90
IV.SMA1.EHE. ML:1.6 7.009121E-5 2.1792 AML other m 2018-09-30T04:59:13.39
IV.EL6.EHE. ML:1.9 0.00014570255 2.5376 AML other m 2018-09-30T04:59:09.07
IV.EL6.EHN. ML:1.9 0.00014857795 1.7792 AML other m 2018-09-30T04:59:10.77
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