Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 26-10-2020 and time 15:38:02 (Italy) in region 3 km E Cerreto di Spoleto (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km E Cerreto di Spoleto (PG), on

  • 26-10-2020 14:38:02 (UTC)
  • 26-10-2020 15:38:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8210, 12.9580 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 8 1079 2154
Preci PG 9 724 2878
Vallo di Nera PG 10 364 3242
Norcia PG 12 4957 8199
Cascia PG 12 3217 11416
Poggiodomo PG 12 117 11533
Sant'Anatolia di Narco PG 14 564 12097
Campello sul Clitunno PG 15 2442 14539
Scheggino PG 16 461 15000
Visso MC 16 1107 16107
Castelsantangelo sul Nera MC 18 281 16388
Trevi PG 18 8469 24857
Monteleone di Spoleto PG 19 599 25456
Monte Cavallo MC 20 145 25601

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
64 Km W of Teramo (54892 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
100 Km SW of Ancona (100861 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 1.8 2020-10-26
14:38:02		 42.8212 12.9583 11 2021-02-26
14:56:01		 Bollettino Sismico Italiano INGV 84159891
Reviewed
Rev100 		ML 1.8 2020-10-26
14:38:02		 42.8212 12.9583 11 2020-10-26
14:55:23		 Sala Sismica INGV-Roma 84158311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-26 14:38:02 ± 0.04
Latitude 42.8212 ± 0.0018
Longitude 12.9583 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84159891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 240
Semi-minor axis of confidence ellipse (meter) 236
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 35
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 40
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07919
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 84159891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-26 16:52:08

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 84158311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-26 14:55:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BARO.EHZ. 2020-10-26T14:38:33.43 3.0 undecidable manual S 0.25 0
IV.VIVA.HHZ. 2020-10-26T14:38:21.24 3.0 undecidable manual P 119.7912 -0.86 0
IV.MGAB.HNE. 2020-10-26T14:38:14.85 1.0 undecidable manual P 279 69.5748 50 0.5 21
IT.MMP1.HGE. 2020-10-26T14:38:13.60 1.0 undecidable manual P 195 65.7897 50 -0.16 22
IV.MMO1.EHZ. 2020-10-26T14:38:13.01 0.3 undecidable manual S 74 31.1466 50 -0.04 73
IV.MURB.HHZ. 2020-10-26T14:38:13.04 0.3 undecidable manual P 324 60.2952 50 0.11 68
IV.ARRO.EHZ. 2020-10-26T14:38:12.83 0.3 undecidable manual S 210 31.1466 50 -0.2 71
IV.EL6.EHZ. 2020-10-26T14:38:12.57 0.3 undecidable manual P 12 57.498 50 0.07 69
IV.ATCC.EHZ. 2020-10-26T14:38:11.05 0.3 undecidable manual P 327 47.9187 50 0.03 71
IV.LNSS.HHZ. 2020-10-26T14:38:11.10 0.3 undecidable manual S 165 25.1526 50 -0.33 70
IV.FOSV.HNN. 2020-10-26T14:38:11.99 0.6 undecidable manual P 343 54.9006 50 -0.11 46
IV.FDMO.HHZ. 2020-10-26T14:38:11.56 0.3 undecidable manual S 24 26.0517 50 -0.13 72
IV.SNTG.HHZ. 2020-10-26T14:38:11.07 0.3 undecidable manual P 358 48.1185 50 0.02 71
IT.FOPC.HGN. 2020-10-26T14:38:11.63 0.3 undecidable manual S 309 26.4513 50 -0.17 72
IV.MC2.EHZ. 2020-10-26T14:38:10.41 0.3 undecidable manual S 62 21.2676 116 0.04 74
IV.MF5.EHZ. 2020-10-26T14:38:10.91 0.3 undecidable manual P 65 44.7219 50 0.38 66
IV.CESI.HHZ. 2020-10-26T14:38:10.08 0.3 undecidable manual S 348 20.868 117 -0.16 73
IV.SEF1.HNE. 2020-10-26T14:38:09.19 0.6 undecidable manual P 359 36.1416 50 -0.01 49
IV.SMA1.EHZ. 2020-10-26T14:38:09.75 0.3 undecidable manual P 124 37.3293 50 0.37 67
IV.FEMA.HNE. 2020-10-26T14:38:09.12 0.3 undecidable manual S 25 17.2716 121 -0.04 75
IV.MTRA.EHE. 2020-10-26T14:38:09.23 0.6 undecidable manual P 101 36.3414 50 -0.01 49
IT.MTCL.HGE. 2020-10-26T14:38:09.52 0.3 undecidable manual S 10 19.4694 118 -0.29 71
IV.PF6.EHN. 2020-10-26T14:38:09.75 0.3 undecidable manual P 29 40.0266 50 -0.05 72
IV.CSP1.EHZ. 2020-10-26T14:38:09.19 0.3 undecidable manual P 34 36.0417 50 0 73
IV.RM33.EHZ. 2020-10-26T14:38:09.86 0.3 undecidable manual P 149 40.4262 50 -0.01 72
IV.CESX.HHZ. 2020-10-26T14:38:09.35 0.3 undecidable manual P 232 38.4282 50 -0.2 70
IV.ASSB.HHZ. 2020-10-26T14:38:08.81 0.3 undecidable manual P 315 34.5432 50 -0.15 71
IV.ARRO.EHZ. 2020-10-26T14:38:08.32 0.3 undecidable manual P 210 31.1466 50 -0.11 72
IT.GNU.HGE. 2020-10-26T14:38:08.99 0.3 undecidable manual P 267 31.6461 50 0.48 67
IV.T1299.HNE. 2020-10-26T14:38:08.67 0.6 undecidable manual P 128 33.5442 50 -0.13 48
IV.MMO1.EHZ. 2020-10-26T14:38:08.46 0.3 undecidable manual P 74 31.1466 50 0.02 73
IV.MOMA.HHZ. 2020-10-26T14:38:08.94 0.3 undecidable manual P 267 31.6461 50 0.43 67
IV.MML1.EHZ. 2020-10-26T14:38:08.59 0.3 undecidable manual P 2 32.4453 50 -0.04 73
IV.NRCA.HHZ. 2020-10-26T14:38:07.75 0.3 undecidable manual S 84 12.7761 129 -0.12 74
IT.FOPC.HGN. 2020-10-26T14:38:07.70 0.3 undecidable manual P 309 26.4513 50 -0.02 74
IV.MC2.EHZ. 2020-10-26T14:38:07.02 0.1 undecidable manual P 62 21.2676 116 0.13 97
IV.LNSS.HHZ. 2020-10-26T14:38:07.42 0.1 undecidable manual P 165 25.1526 50 -0.08 98
IV.FDMO.HHZ. 2020-10-26T14:38:07.61 0.3 undecidable manual P 24 26.0517 50 -0.04 74
IV.CESI.HHZ. 2020-10-26T14:38:06.85 0.1 undecidable manual P 348 20.868 117 0.04 99
IV.FEMA.HNE. 2020-10-26T14:38:06.33 0.3 undecidable manual P 25 17.2716 121 0.13 73
IT.MTCL.HGE. 2020-10-26T14:38:06.53 0.3 undecidable manual P 10 19.4694 118 -0.04 75
IV.NRCA.HHZ. 2020-10-26T14:38:05.52 0.1 undecidable manual P 84 12.7761 129 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.0 0.0010634271499999999 0.1792 AML other m 2020-10-26T14:38:08.93
IV.NRCA.HNN. ML:1.6 0.00047595165 0.1216 AML other m 2020-10-26T14:38:08.56
IV.NRCA.HHN. ML:1.7 0.00054530865 0.16 AML other m 2020-10-26T14:38:08.84
IV.NRCA.HHE. ML:2.0 0.0011385095 0.1792 AML other m 2020-10-26T14:38:08.92
IV.CESI.HNN. ML:1.9 0.0005622382 0.2624 AML other m 2020-10-26T14:38:10.39
IV.CESI.HHN. ML:1.9 0.0005652367 0.256 AML other m 2020-10-26T14:38:10.39
IV.CESI.HNE. ML:1.6 0.0003105376 0.2496 AML other m 2020-10-26T14:38:10.91
IV.CESI.HHE. ML:1.7 0.00035225995 0.256 AML other m 2020-10-26T14:38:10.91
IV.LNSS.HNE. ML:2.4 0.0014722295 0.128 AML other m 2020-10-26T14:38:11.35
IV.LNSS.HHE. ML:2.4 0.0016469185 0.1408 AML other m 2020-10-26T14:38:11.35
IV.LNSS.HNN. ML:2.3 0.00106097935 0.128 AML other m 2020-10-26T14:38:11.36
IV.LNSS.HHN. ML:2.3 0.0010500803 0.2368 AML other m 2020-10-26T14:38:11.70
IV.FDMO.HHN. ML:2.1 0.0007206213500000001 0.1408 AML other m 2020-10-26T14:38:12.05
IV.FDMO.HHE. ML:2.1 0.0007204278 0.2816 AML other m 2020-10-26T14:38:12.04
IV.ARRO.EHN. ML:1.7 0.00020939355000000002 0.16 AML other m 2020-10-26T14:38:13.65
IV.ARRO.EHE. ML:1.7 0.00025215255000000003 0.1984 AML other m 2020-10-26T14:38:13.92
IV.ASSB.HHN. ML:1.8 0.00022933264999999998 0.096 AML other m 2020-10-26T14:38:14.12
IV.ASSB.HHE. ML:1.8 0.0002498466 0.1024 AML other m 2020-10-26T14:38:14.13
IV.CSP1.EHN. ML:1.9 0.00030084975000000004 0.1856 AML other m 2020-10-26T14:38:16.61
IV.CSP1.EHE. ML:2.0 0.00042838895 0.2048 AML other m 2020-10-26T14:38:15.27
IV.CESX.HHN. ML:1.8 0.0002363117 0.2624 AML other m 2020-10-26T14:38:15.23
IV.CESX.HHE. ML:1.9 0.000297449 0.3392 AML other m 2020-10-26T14:38:16.21
IV.SMA1.EHN. ML:1.5 0.00012536175 0.2816 AML other m 2020-10-26T14:38:16.03
IV.SMA1.EHE. ML:1.4 0.00010699001999999999 0.1984 AML other m 2020-10-26T14:38:17.18
IV.RM33.EHN. ML:1.4 0.00009675466 0.1984 AML other m 2020-10-26T14:38:18.18
IV.RM33.EHE. ML:1.6 0.00011980714000000001 0.1856 AML other m 2020-10-26T14:38:16.15
IV.MF5.EHN. ML:1.4 0.000076909359 0.32 AML other m 2020-10-26T14:38:18.36
IV.MF5.EHE. ML:1.5 0.000088785955 0.48 AML other m 2020-10-26T14:38:23.46
IV.ATCC.EHN. ML:1.8 0.0001660567 0.16 AML other m 2020-10-26T14:38:18.31
IV.ATCC.EHE. ML:1.8 0.0001757568 0.1984 AML other m 2020-10-26T14:38:18.47
IV.SNTG.HHE. ML:1.3 0.000059729295000000004 0.1408 AML other m 2020-10-26T14:38:19.16
IV.SNTG.HHN. ML:1.3 0.000057724105 0.1216 AML other m 2020-10-26T14:38:19.09
IV.EL6.EHE. ML:1.6 0.00009000732999999999 0.3008 AML other m 2020-10-26T14:38:25.33
IV.EL6.EHN. ML:1.7 0.00011979825 0.2176 AML other m 2020-10-26T14:38:22.93
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download