Earthquake with magnitude of ML 2.0 on date 28-10-2018 and time 10:13:42 (UTC) in region 5 km SE Castel Ritaldi (PG)

A magnitude ML 2.0 earthquake occured in region: 5 km SE Castel Ritaldi (PG), on

  • 28-10-2018 10:13:42 (UTC)
  • 28-10-2018 11:13:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 12.7130 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
Castel Ritaldi PG 5 3278 3278
Spoleto PG 6 38218 41496
Campello sul Clitunno PG 6 2442 43938
Trevi PG 10 8469 52407
Sant'Anatolia di Narco PG 12 564 52971
Giano dell'Umbria PG 12 3846 56817
Vallo di Nera PG 12 364 57181
Scheggino PG 13 461 57642
Montefalco PG 13 5679 63321
Massa Martana PG 16 3770 67091
Cerreto di Spoleto PG 17 1075 68166
Acquasparta TR 17 4778 72944
Bevagna PG 18 5081 78025
Gualdo Cattaneo PG 19 6155 84180
Foligno PG 19 57155 141335
Ferentillo TR 20 1913 143248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km S of Foligno (57155 inhabitants)
26 Km N of Terni (111501 inhabitants)
44 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
82 Km W of Teramo (54892 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
92 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
Bulletin
Rev1000
ML 2.0 2018-10-28
10:13:42
42.7883 12.7132 9 2019-06-04
09:16:17
Bollettino Sismico Italiano INGV 68568231
Reviewed
Rev100
ML 2.0 2018-10-28
10:13:42
42.7848 12.7073 10 2018-10-28
10:20:28
Sala Sismica INGV-Roma 62472931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-28 10:13:42 ± 0.07
Latitude 42.7883 ± 0.0036
Longitude 12.7132 ± 0.0074
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68568231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 590
Semi-minor axis of confidence ellipse (meter) 351
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 0.61064
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 68568231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-15 07:28:13

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 62472931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-28 10:20:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2018-10-28T10:14:03.30 0.6 undecidable manual S 28 67.7766 50 0.32 44
IV.FIAM.HHZ. 2018-10-28T10:14:02.99 0.6 undecidable manual S 150 66.4779 50 0.35 44
IV.MTRA.EHZ. 2018-10-28T10:14:00.10 0.3 undecidable manual S 93 55.7997 50 0.33 68
IV.SMA1.EHZ. 2018-10-28T10:13:59.89 0.3 undecidable manual S 109 53.6019 50 0.68 61
IV.RM33.EHZ. 2018-10-28T10:13:58.70 0.6 undecidable manual S 127 51.3153 50 0.11 48
IV.MML1.EHE. 2018-10-28T10:13:56.10 0.3 undecidable manual S 30 41.7249 50 0.07 74
IV.MC2.EHZ. 2018-10-28T10:13:56.30 0.3 undecidable manual S 70 41.0256 50 0.46 68
IV.FDMO.HHZ. 2018-10-28T10:13:55.50 0.3 undecidable manual S 48 41.0256 50 -0.34 70
IV.EL6.EHZ. 2018-10-28T10:13:54.10 0.3 undecidable manual P 28 67.7766 50 -0.03 71
IV.NRCA.HHZ. 2018-10-28T10:13:53.60 0.3 undecidable manual S 81 33.0447 50 -0.1 74
IV.LNSS.HHZ. 2018-10-28T10:13:53.77 0.3 undecidable manual S 128 33.6441 50 -0.11 74
IV.FIAM.HHZ. 2018-10-28T10:13:53.68 0.3 undecidable manual P 150 66.4779 50 -0.26 68
IV.SMA1.EHZ. 2018-10-28T10:13:52.00 0.3 positive manual P 109 53.6019 50 0.05 72
IV.MTRA.EHZ. 2018-10-28T10:13:52.09 0.1 undecidable manual P 93 55.7997 50 -0.19 93
IV.ASSB.HHZ. 2018-10-28T10:13:52.67 0.1 undecidable manual S 351 28.5492 108 0.21 98
IV.CESI.HHZ. 2018-10-28T10:13:52.20 0.3 undecidable manual S 33 28.6491 108 -0.29 72
IV.MGAB.HHZ. 2018-10-28T10:13:51.53 0.1 undecidable manual P 286 50.8158 50 0.02 98
IV.ARRO.EHZ. 2018-10-28T10:13:51.00 0.3 undecidable manual S 170 23.5542 112 0.15 75
IV.RM33.EHZ. 2018-10-28T10:13:51.34 0.1 undecidable manual P 127 51.3153 50 -0.26 93
IV.ASSB.HHZ. 2018-10-28T10:13:51.83 0.1 undecidable manual P 351 28.5492 108 3.77 5
IV.MC2.EHZ. 2018-10-28T10:13:50.01 0.1 undecidable manual P 70 41.0256 50 0 100
IV.CESX.HHZ. 2018-10-28T10:13:50.20 0.3 undecidable manual S 207 22.4553 113 -0.28 73
IV.MML1.EHE. 2018-10-28T10:13:49.89 0.1 undecidable manual P 30 41.7249 50 -0.23 95
IV.FDMO.HHZ. 2018-10-28T10:13:49.87 0.1 positive manual P 48 41.0256 50 -0.14 97
IV.NRCA.HHZ. 2018-10-28T10:13:48.57 0.1 positive manual P 81 33.0447 50 -0.2 97
IV.LNSS.HHZ. 2018-10-28T10:13:48.60 0.1 undecidable manual P 128 33.6441 50 -0.28 95
IV.ARRO.EHZ. 2018-10-28T10:13:47.43 0.1 undecidable manual P 170 23.5542 112 0.3 97
IV.MOMA.HHZ. 2018-10-28T10:13:47.30 0.3 undecidable manual S 278 11.7771 128 0.05 78
IV.CESI.HHZ. 2018-10-28T10:13:47.95 0.1 positive manual P 33 28.6491 108 -0.12 99
IV.CESX.HHZ. 2018-10-28T10:13:46.77 0.1 undecidable manual P 207 22.4553 113 -0.14 100
IV.MOMA.HHZ. 2018-10-28T10:13:45.30 0.1 undecidable manual P 278 11.7771 128 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.6 0.0002655 0.72 AML other m 2018-10-28T10:13:52.16
IV.CESI.HHN. ML:2.1 0.00066 0.16 AML other m 2018-10-28T10:13:52.88
IV.ARRO.EHE. ML:1.7 0.00029549999999999997 1.8 AML other m 2018-10-28T10:13:54.95
IV.CESI.HHE. ML:1.9 0.0003715 1.54 AML other m 2018-10-28T10:13:54.87
IV.NRCA.HHE. ML:2.1 0.0006085 0.16 AML other m 2018-10-28T10:13:54.26
IV.NRCA.HNE. ML:2.1 0.000588 0.16 AML other m 2018-10-28T10:13:54.26
IV.NRCA.HNN. ML:2.1 0.0004945 0.8 AML other m 2018-10-28T10:13:55.87
IV.NRCA.HHN. ML:2.0 0.00045999999999999996 0.8 AML other m 2018-10-28T10:13:55.87
IV.FDMO.HHE. ML:2.1 0.000409 1.86 AML other m 2018-10-28T10:13:55.06
IV.FDMO.HHN. ML:2.0 0.00034599999999999995 0.12 AML other m 2018-10-28T10:13:56.67
IV.MTRA.EHN. ML:2.1 0.0002615 0.2 AML other m 2018-10-28T10:14:00.61
IV.MTRA.EHE. ML:1.9 0.00020150000000000002 0.66 AML other m 2018-10-28T10:14:01.71
IV.SMA1.EHE. ML:2.2 0.0003765 0.24 AML other m 2018-10-28T10:14:01.50
IV.SMA1.EHN. ML:2.0 0.00023199999999999997 1.54 AML other m 2018-10-28T10:14:01.16
IV.MGAB.HHE. ML:1.9 0.0001995 0.34 AML other m 2018-10-28T10:14:02.18
IV.MGAB.HHN. ML:1.9 0.0001825 0.56 AML other m 2018-10-28T10:14:02.11
IV.EL6.EHE. ML:2.2 0.00026000000000000003 0.8 AML other m 2018-10-28T10:14:05.54
IV.EL6.EHN. ML:2.2 0.000258 0.8 AML other m 2018-10-28T10:14:05.86
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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