Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 28-11-2018 and time 17:34:40 (Italy) in region 3 km NW Cerreto di Spoleto (PG)

A magnitude ML 2.3 earthquake occured in region: 3 km NW Cerreto di Spoleto (PG), on

  • 28-11-2018 16:34:40 (UTC)
  • 28-11-2018 17:34:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8400, 12.9010 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.

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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
Cerreto di Spoleto PG 3 1075 1075
Sellano PG 6 1079 2154
Vallo di Nera PG 8 364 2518
Campello sul Clitunno PG 10 2442 4960
Preci PG 12 724 5684
Sant'Anatolia di Narco PG 13 564 6248
Trevi PG 13 8469 14717
Poggiodomo PG 14 117 14834
Scheggino PG 15 461 15295
Cascia PG 16 3217 18512
Norcia PG 17 4957 23469
Spoleto PG 18 38218 61687
Visso MC 19 1107 62794
Castel Ritaldi PG 19 3278 66072
Monte Cavallo MC 19 145 66217

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Foligno (57155 inhabitants)
37 Km NE of Terni (111501 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
69 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
94 Km N of Guidonia Montecelio (88673 inhabitants)
98 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 2.3 2018-11-28
16:34:40		 42.8395 12.9008 10 2019-06-04
09:16:12		 Bollettino Sismico Italiano INGV 67333841
Reviewed
Rev100 		ML 2.3 2018-11-28
16:34:40		 42.8408 12.9012 11 2018-11-28
16:39:54		 Sala Sismica INGV-Roma 63454451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-28 16:34:40 ± 0.06
Latitude 42.8395 ± 0.0018
Longitude 12.9008 ± 0.0037
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 67333841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 231
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
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 56
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59265
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 67333841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-07 10:51:04

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 46
Type of magnitude ML
Reference to an origin 63454451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-28 16:39:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2018-11-28T16:35:06.85 3.0 positive manual P 2.95 0
IV.FIAM.HHZ. 2018-11-28T16:35:00.90 3.0 undecidable manual S 164 65.7897 50 0.58 0
IV.CING.HNZ. 2018-11-28T16:35:00.57 0.6 undecidable manual S 22 64.0914 50 0.71 38
IV.EL6.EHZ. 2018-11-28T16:34:58.44 3.0 undecidable manual S -0.45 0
IV.MURB.HHZ. 2018-11-28T16:34:58.95 3.0 undecidable manual S 0.26 0
IV.COR1.EHZ. 2018-11-28T16:34:56.32 3.0 undecidable manual P 0.54 0
IV.MF5.EHZ. 2018-11-28T16:34:55.80 0.3 undecidable manual S 70 48.3183 50 0.16 69
IV.RM33.EHZ. 2018-11-28T16:34:54.90 0.6 undecidable manual S 145 44.7219 50 0.21 46
IV.PIEI.HHZ. 2018-11-28T16:34:54.61 3.0 positive manual P -0.25 0
IV.SMA1.EHZ. 2018-11-28T16:34:54.20 0.3 undecidable manual S 123 42.3243 50 0.15 70
IV.ATCC.EHZ. 2018-11-28T16:34:54.80 0.6 undecidable manual S 331 43.8228 50 0.36 45
IV.ATVO.HHZ. 2018-11-28T16:34:53.10 3.0 negative manual P -0.04 0
IV.MTRA.EHZ. 2018-11-28T16:34:53.70 0.3 undecidable manual S 103 41.4252 50 -0.1 71
IV.PF6.EHN. 2018-11-28T16:34:53.50 0.6 undecidable manual S 36 40.8258 50 -0.14 47
IV.FRON.EHZ. 2018-11-28T16:34:53.80 3.0 positive manual P -0.04 0
IV.SSFR.HHZ. 2018-11-28T16:34:52.19 3.0 negative manual P -0.05 0
IV.ARVD.HHZ. 2018-11-28T16:34:52.99 3.0 negative manual P -0.28 0
IV.CING.HNZ. 2018-11-28T16:34:51.55 0.1 positive manual P 22 64.0914 50 0.03 92
IV.FIAM.HHZ. 2018-11-28T16:34:51.62 0.1 negative manual P 164 65.7897 50 -0.17 89
IV.SEF1.HNN. 2018-11-28T16:34:51.80 0.6 undecidable manual S 6 34.3434 50 -0.11 48
IV.ARRO.EHZ. 2018-11-28T16:34:51.00 0.6 undecidable manual S 201 30.9468 50 0 49
IV.MOMA.HHZ. 2018-11-28T16:34:50.00 0.6 undecidable manual S 262 27.1506 50 -0.01 49
IV.MURB.HHZ. 2018-11-28T16:34:50.47 3.0 undecidable manual P 0.02 0
IV.ASSB.HHZ. 2018-11-28T16:34:50.50 0.6 undecidable manual S 319 29.9478 50 -0.24 47
IV.LNSS.HHZ. 2018-11-28T16:34:50.00 0.6 undecidable manual S 157 28.6491 50 -0.39 45
IV.EL6.EHZ. 2018-11-28T16:34:50.43 3.0 positive manual P -0.13 0
IV.MML1.HNE. 2018-11-28T16:34:50.90 0.6 undecidable manual S 11 30.9468 50 -0.11 48
IV.FOSV.EHZ. 2018-11-28T16:34:49.66 3.0 negative manual P -0.09 0
IV.FDMO.HHZ. 2018-11-28T16:34:49.20 0.6 undecidable manual S 35 26.5512 50 -0.65 42
IV.MF5.EHZ. 2018-11-28T16:34:49.66 0.1 negative manual P 70 48.3183 50 0.57 83
IV.MC2.EHZ. 2018-11-28T16:34:49.30 0.6 undecidable manual S 71 24.753 50 -0.06 49
IV.SNTG.HHZ. 2018-11-28T16:34:48.62 3.0 positive manual P -0.21 0
IV.SMA1.EHZ. 2018-11-28T16:34:48.35 0.1 positive manual P 123 42.3243 50 0.18 93
IV.ATCC.EHZ. 2018-11-28T16:34:48.44 0.1 positive manual P 331 43.8228 50 0.04 95
IV.RM33.EHZ. 2018-11-28T16:34:48.36 0.1 positive manual P 145 44.7219 50 -0.18 92
IV.MTRA.EHZ. 2018-11-28T16:34:48.04 0.1 undecidable manual P 103 41.4252 50 0.01 96
IV.T1299.HNN. 2018-11-28T16:34:47.78 0.3 undecidable manual P 126 38.5281 50 0.19 70
IV.GAVE.HNZ. 2018-11-28T16:34:47.00 3.0 undecidable manual S 0.06 0
IV.FEMA.HNE. 2018-11-28T16:34:47.30 0.6 undecidable manual S 42 18.1707 120 -0.11 49
IV.PF6.EHN. 2018-11-28T16:34:47.79 0.1 positive manual P 36 40.8258 50 -0.14 94
IV.FIU1.HNZ. 2018-11-28T16:34:47.64 0.1 undecidable manual P 4 38.8278 50 0.01 97
IV.CESI.HHZ. 2018-11-28T16:34:47.30 0.6 undecidable manual S 1 18.3705 119 -0.16 49
IV.ASSB.HHZ. 2018-11-28T16:34:46.20 0.1 positive manual P 319 29.9478 50 -0.06 97
IV.NRCA.HNZ. 2018-11-28T16:34:46.90 0.6 undecidable manual S 92 17.3715 121 -0.26 48
IV.MML1.HNE. 2018-11-28T16:34:46.41 0.1 positive manual P 11 30.9468 50 -0.01 98
IV.MMO1.EHZ. 2018-11-28T16:34:46.97 0.1 negative manual P 79 35.2425 50 -0.12 95
IV.SEF1.HNN. 2018-11-28T16:34:46.78 0.1 undecidable manual P 6 34.3434 50 -0.16 95
IV.ARRO.EHZ. 2018-11-28T16:34:46.47 0.1 positive manual P 201 30.9468 50 0.06 97
IV.FDMO.HHZ. 2018-11-28T16:34:45.64 0.1 positive manual P 35 26.5512 50 -0.11 97
IV.LNSS.HHZ. 2018-11-28T16:34:45.96 0.1 positive manual P 157 28.6491 50 -0.1 97
IV.MC2.EHZ. 2018-11-28T16:34:45.50 0.1 negative manual P 71 24.753 50 0.04 98
IV.MOMA.HHZ. 2018-11-28T16:34:45.92 0.1 positive manual P 262 27.1506 50 0.08 97
IV.CESI.HHZ. 2018-11-28T16:34:44.51 0.1 positive manual P 1 18.3705 119 0.15 97
IV.FEMA.HNE. 2018-11-28T16:34:44.48 0.1 positive manual P 42 18.1707 120 0.14 98
IV.NRCA.HNZ. 2018-11-28T16:34:44.22 0.1 negative manual P 92 17.3715 121 0.02 100
IV.GAVE.HNZ. 2018-11-28T16:34:43.96 3.0 undecidable manual P -0.11 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.6 0.0031 0.18 AML other m 2018-11-28T16:34:47.19
IV.NRCA.HHE. ML:2.6 0.0033 0.16 AML other m 2018-11-28T16:34:47.11
IV.GAVE.HNE. ML:2.6 0.0032400000000000003 0.94 AML other m 2018-11-28T16:34:47.68
IV.CESI.HHN. ML:2.9 0.006965 0.46 AML other m 2018-11-28T16:34:47.69
IV.GAVE.HNN. ML:2.1 0.001075 1.08 AML other m 2018-11-28T16:34:47.87
IV.CESI.HHE. ML:2.4 0.002225 1.28 AML other m 2018-11-28T16:34:48.65
IV.NRCA.HHN. ML:2.4 0.0022199999999999998 0.34 AML other m 2018-11-28T16:34:48.30
IV.NRCA.HNN. ML:2.4 0.0022199999999999998 0.34 AML other m 2018-11-28T16:34:48.30
IV.FDMO.HHN. ML:2.5 0.00174 0.12 AML other m 2018-11-28T16:34:49.86
IV.FDMO.HHE. ML:2.6 0.002245 0.34 AML other m 2018-11-28T16:34:49.96
IV.LNSS.HNE. ML:2.4 0.0014 0.32 AML other m 2018-11-28T16:34:50.61
IV.LNSS.HHE. ML:2.4 0.0014449999999999999 0.3 AML other m 2018-11-28T16:34:50.60
IV.LNSS.HNN. ML:2.4 0.00115 0.8 AML other m 2018-11-28T16:34:50.51
IV.LNSS.HHN. ML:2.4 0.00121 0.8 AML other m 2018-11-28T16:34:50.11
IV.MOMA.HHE. ML:2.2 0.000991 0.84 AML other m 2018-11-28T16:34:50.86
IV.ASSB.HHN. ML:2.2 0.0008105 1.64 AML other m 2018-11-28T16:34:50.09
IV.ASSB.HHE. ML:2.2 0.0007125 1.4 AML other m 2018-11-28T16:34:51.05
IV.MOMA.HHN. ML:2.0 0.000646 1.44 AML other m 2018-11-28T16:34:51.83
IV.ARRO.EHN. ML:2.2 0.000658 0.18 AML other m 2018-11-28T16:34:52.15
IV.ARRO.EHE. ML:2.2 0.0006705 0.18 AML other m 2018-11-28T16:34:52.32
IV.MTRA.EHE. ML:2.0 0.000323 0.6 AML other m 2018-11-28T16:34:54.58
IV.MTRA.EHN. ML:2.1 0.0004355 1.62 AML other m 2018-11-28T16:34:55.87
IV.ATCC.EHN. ML:2.2 0.0005265 0.2 AML other m 2018-11-28T16:34:55.15
IV.ATCC.EHE. ML:2.2 0.0005075 0.16 AML other m 2018-11-28T16:34:55.74
IV.SNTG.HHE. ML:1.9 0.0002515 0.34 AML other m 2018-11-28T16:34:55.94
IV.SNTG.HHN. ML:2.0 0.00026749999999999994 0.28 AML other m 2018-11-28T16:34:56.35
IV.SNTG.HNN. ML:2.0 0.00029949999999999996 0.92 AML other m 2018-11-28T16:34:56.96
IV.RM33.HNE. ML:2.0 0.0003205 1.44 AML other m 2018-11-28T16:34:57.72
IV.RM33.EHE. ML:2.0 0.0003045 1.44 AML other m 2018-11-28T16:34:57.72
IV.SMA1.EHE. ML:2.1 0.0004265 0.74 AML other m 2018-11-28T16:34:57.24
IV.RM33.EHN. ML:2.0 0.000313 0.8 AML other m 2018-11-28T16:34:57.87
IV.RM33.HNN. ML:2.1 0.0003815 0.8 AML other m 2018-11-28T16:34:57.47
IV.SMA1.EHN. ML:2.0 0.0003135 0.4 AML other m 2018-11-28T16:34:57.53
IV.MF5.EHE. ML:2.2 0.00046750000000000003 0.46 AML other m 2018-11-28T16:34:57.63
IV.FOSV.EHE. ML:1.8 0.0001555 0.82 AML other m 2018-11-28T16:34:57.29
IV.SNTG.HNE. ML:2.0 0.00029200000000000005 0.6 AML other m 2018-11-28T16:34:58.86
IV.EL6.EHE. ML:2.5 0.000742 1.02 AML other m 2018-11-28T16:34:59.76
IV.EL6.EHN. ML:2.5 0.000747 0.24 AML other m 2018-11-28T16:34:59.63
IV.MURB.HNE. ML:2.5 0.0006975 0.64 AML other m 2018-11-28T16:35:00.25
IV.MURB.HHE. ML:2.5 0.0007875 0.62 AML other m 2018-11-28T16:35:00.26
IV.MURB.HNN. ML:2.5 0.0006720000000000001 0.62 AML other m 2018-11-28T16:35:00.54
IV.MURB.HHN. ML:2.5 0.0007199999999999999 0.6 AML other m 2018-11-28T16:35:00.54
IV.MF5.EHN. ML:2.3 0.000493 0.42 AML other m 2018-11-28T16:35:01.36
IV.FOSV.EHN. ML:1.8 0.000151 1.22 AML other m 2018-11-28T16:35:02.70
IV.SSFR.HNN. ML:2.4 0.0004395 0.24 AML other m 2018-11-28T16:35:04.06
IV.SSFR.HNE. ML:2.4 0.0004095 0.44 AML other m 2018-11-28T16:35:04.49
IV.SSFR.HHE. ML:2.3 0.000336 0.44 AML other m 2018-11-28T16:35:04.49
IV.ARVD.HHN. ML:2.0 0.000141 0.78 AML other m 2018-11-28T16:35:05.09
IV.ARVD.HHE. ML:2.0 0.00017549999999999998 0.66 AML other m 2018-11-28T16:35:05.16
IV.SSFR.HHN. ML:2.2 0.0002935 0.52 AML other m 2018-11-28T16:35:06.11
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download