Earthquake with magnitude of ML 1.5 on date 27-09-2018 and time 18:12:01 (Italy) in region 2 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km SE Cerreto di Spoleto (PG), on

  • 27-09-2018 16:12:01 (UTC)
  • 27-09-2018 18:12:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.81, 12.93 at 10 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
Cerreto di Spoleto PG 2 1075 1075
Vallo di Nera PG 7 364 1439
Sellano PG 9 1079 2518
Poggiodomo PG 10 117 2635
Sant'Anatolia di Narco PG 11 564 3199
Cascia PG 12 3217 6416
Campello sul Clitunno PG 12 2442 8858
Preci PG 12 724 9582
Scheggino PG 13 461 10043
Norcia PG 14 4957 15000
Trevi PG 17 8469 23469
Spoleto PG 17 38218 61687
Monteleone di Spoleto PG 17 599 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
35 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
94 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 2018-09-27
16:12:01
42.81 12.93 10 2019-06-04
09:16:13
Bollettino Sismico Italiano INGV 67962981
Rev 100 ML 1.5 2018-09-27
16:12:01
42.81 12.92 10 2018-09-27
16:21:37
Sala Sismica INGV-Roma 61373611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-27 16:12:01 ± 0.04
Latitude 42.81 ± 0.00
Longitude 12.93 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67962981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 201
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 92
Circular confidence region, given by single value of horizontal uncertainty (meter) 200
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.44966
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 61373611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-27 16:21:37

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 67962981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-26 02:28:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TERO.HHZ. 2018-09-27T16:12:19.66 3.0 undecidable manual S 0.07 0
IV.PF6.EHE. 2018-09-27T16:12:15.10 0.6 undecidable manual S 30 0.3858 50 -0.12 48
IV.RM33.EHZ. 2018-09-27T16:12:14.60 0.3 undecidable manual S 144 0.3642 50 0.01 73
IV.CSP1.EHZ. 2018-09-27T16:12:14.20 0.3 undecidable manual S 35 0.3516 50 -0.01 74
IV.SMA1.EHE. 2018-09-27T16:12:14.70 0.6 undecidable manual S 120 0.348 50 0.6 43
IV.CESX.HHZ. 2018-09-27T16:12:13.00 0.3 undecidable manual S 232 0.3175 50 -0.21 71
IV.MML1.HNE. 2018-09-27T16:12:13.00 0.3 undecidable manual S 6 0.3094 50 0.03 74
IV.ASSB.HHZ. 2018-09-27T16:12:12.70 0.3 undecidable manual S 321 0.3076 50 -0.2 71
IV.MMO1.EHZ. 2018-09-27T16:12:12.80 0.3 undecidable manual S 72 0.3085 50 -0.13 72
IV.TERO.HHZ. 2018-09-27T16:12:11.89 3.0 undecidable manual P 0.1 0
IV.ARRO.EHN. 2018-09-27T16:12:11.30 0.3 undecidable manual S 208 0.2554 50 -0.05 74
IV.EL6.EHZ. 2018-09-27T16:12:11.95 3.0 undecidable manual P 0.02 0
IV.MOMA.HHZ. 2018-09-27T16:12:11.90 0.3 undecidable manual S 270 0.2608 50 0.37 70
IV.FDMO.HHZ. 2018-09-27T16:12:11.20 0.3 undecidable manual S 27 0.259 50 -0.28 71
IV.SNTG.HHE. 2018-09-27T16:12:10.24 0.3 undecidable manual P 1 0.4497 50 -0.11 71
IV.MF5.EHZ. 2018-09-27T16:12:10.77 3.0 undecidable manual P 0.67 0
IV.MC2.EHZ. 2018-09-27T16:12:10.30 0.3 undecidable manual S 61 0.2194 112 0.03 75
IV.PF6.EHE. 2018-09-27T16:12:09.19 0.1 undecidable manual P 30 0.3858 50 -0.07 96
IV.LNSS.HHZ. 2018-09-27T16:12:09.90 0.3 undecidable manual S 157 0.2194 112 -0.36 70
IV.CESI.HHZ. 2018-09-27T16:12:09.50 0.3 undecidable manual S 355 0.1996 114 -0.07 75
IV.SMA1.EHE. 2018-09-27T16:12:08.74 0.3 undecidable manual P 120 0.348 50 0.13 72
IV.MTRA.EHE. 2018-09-27T16:12:08.89 0.1 undecidable manual P 98 0.3489 50 0.26 93
IV.RM33.EHZ. 2018-09-27T16:12:08.81 0.1 positive manual P 144 0.3642 50 -0.09 96
IV.CSP1.EHZ. 2018-09-27T16:12:08.67 0.1 undecidable manual P 35 0.3516 50 0 98
IV.FEMA.HNN. 2018-09-27T16:12:08.80 0.3 undecidable manual S 30 0.1808 117 -0.11 75
IV.CESX.HHZ. 2018-09-27T16:12:08.03 0.1 undecidable manual P 232 0.3175 50 -0.07 98
IV.ASSB.HHZ. 2018-09-27T16:12:07.89 0.1 positive manual P 321 0.3076 50 -0.03 99
IV.NRCA.HHZ. 2018-09-27T16:12:07.50 0.3 undecidable manual S 78 0.1412 123 -0.07 76
IV.MML1.HNE. 2018-09-27T16:12:07.96 0.1 undecidable manual P 6 0.3094 50 0 99
IV.MOMA.HHZ. 2018-09-27T16:12:07.36 0.1 undecidable manual P 270 0.2608 50 0.23 95
IV.MMO1.EHZ. 2018-09-27T16:12:07.94 0.1 undecidable manual P 72 0.3085 50 0 99
IV.FDMO.HHZ. 2018-09-27T16:12:07.07 0.1 positive manual P 27 0.259 50 -0.03 100
IV.ARRO.EHN. 2018-09-27T16:12:06.97 0.1 undecidable manual P 208 0.2554 50 -0.06 99
IV.CESI.HHZ. 2018-09-27T16:12:06.15 0.1 positive manual P 355 0.1996 114 0.15 98
IV.MC2.EHZ. 2018-09-27T16:12:06.45 0.1 undecidable manual P 61 0.2194 112 0.04 100
IV.LNSS.HHZ. 2018-09-27T16:12:06.32 0.1 undecidable manual P 157 0.2194 112 -0.07 99
IV.FEMA.HNN. 2018-09-27T16:12:05.82 0.1 positive manual P 30 0.1808 117 0.2 98
IV.NRCA.HHZ. 2018-09-27T16:12:04.99 0.1 positive manual P 78 0.1412 123 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.7 0.0005305 0.08 AML other m 2018-09-27T16:12:07.77
IV.NRCA.HHE. ML:1.5 0.000318 1.68 AML other m 2018-09-27T16:12:07.12
IV.CESI.HHN. ML:1.8 0.0004135 1.52 AML other m 2018-09-27T16:12:09.85
IV.CESI.HHE. ML:1.4 0.000175 1.56 AML other m 2018-09-27T16:12:09.92
IV.LNSS.HHN. ML:1.8 0.0003715 0.14 AML other m 2018-09-27T16:12:10.28
IV.LNSS.HHE. ML:1.7 0.0003025 1.02 AML other m 2018-09-27T16:12:11.37
IV.FDMO.HHN. ML:1.5 0.0001755 1.38 AML other m 2018-09-27T16:12:12.04
IV.FDMO.HHE. ML:1.6 0.000206 0.8 AML other m 2018-09-27T16:12:12.48
IV.MOMA.HHN. ML:1.2 6.775E-5 1.04 AML other m 2018-09-27T16:12:12.05
IV.MOMA.HHE. ML:1.3 9.67E-5 0.34 AML other m 2018-09-27T16:12:12.89
IV.ASSB.HHN. ML:1.5 0.0001275 0.96 AML other m 2018-09-27T16:12:13.70
IV.ASSB.HHE. ML:1.5 0.000118 0.86 AML other m 2018-09-27T16:12:13.32
IV.CESX.HHN. ML:1.4 0.0001023 1.4 AML other m 2018-09-27T16:12:13.25
IV.RM33.EHE. ML:1.4 8.19E-5 0.24 AML other m 2018-09-27T16:12:15.06
IV.RM33.EHN. ML:1.5 0.0001 1.04 AML other m 2018-09-27T16:12:15.73
IV.CESX.HHE. ML:1.3 8.235E-5 0.56 AML other m 2018-09-27T16:12:15.67
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