Earthquake with magnitude of ML 0.9 on date 13-11-2021 and time 13:49:24 (UTC) in region 3 km W Cerreto di Spoleto (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km W Cerreto di Spoleto (PG), on

  • 13-11-2021 13:49:24 (UTC)
  • 13-11-2021 14:49:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.825, 12.88 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 1075 1075
Vallo di Nera PG 6 364 1439
Sellano PG 8 1079 2518
Campello sul Clitunno PG 8 2442 4960
Sant'Anatolia di Narco PG 11 564 5524
Trevi PG 12 8469 13993
Scheggino PG 13 461 14454
Poggiodomo PG 13 117 14571
Preci PG 14 724 15295
Spoleto PG 15 38218 53513
Cascia PG 16 3217 56730
Castel Ritaldi PG 17 3278 60008
Norcia PG 18 4957 64965

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Foligno (57155 inhabitants)
35 Km NE of Terni (111501 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
70 Km W of Teramo (54892 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.9 2021-11-13
13:49:24
42.8248 12.8797 10 2021-11-13
14:04:23
Sala Sismica INGV-Roma 97440171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-13 13:49:24 ± 0.1
Latitude 42.8248 ± 0.0036
Longitude 12.8797 ± 0.0098
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97440171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 790
Semi-minor axis of confidence ellipse (meter) 233
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) 790
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.5297
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 97440171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-13 14:04:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.CLTB.HHZ. 2021-11-13T13:50:26.48 3.0 undecidable manual Sg 8.71 0
IV.FIR.HHZ. 2021-11-13T13:50:24.50 3.0 undecidable manual Sg 16.17 0
IV.RESU.HHZ. 2021-11-13T13:50:21.93 3.0 undecidable manual Sg 9.88 0
IV.RAVA.EHZ. 2021-11-13T13:50:19.83 3.0 undecidable manual Sn -7.12 0
IV.MTGR.HHZ. 2021-11-13T13:50:05.59 3.0 undecidable manual Sn -8.33 0
AC.VLO.HHZ. 2021-11-13T13:50:02.60 3.0 undecidable manual Sn -4.56 0
IV.ZEN8.EHZ. 2021-11-13T13:50:01.91 3.0 undecidable manual Pg 13.11 0
GU.ROTM.HHZ. 2021-11-13T13:50:00.89 3.0 negative manual Pn 2.53 0
IV.RIBO.EHZ.01 2021-11-13T13:50:00.46 3.0 undecidable manual Sn 0.31 0
IV.EL6.EHZ. 2021-11-13T13:49:44.08 0.3 undecidable manual S 18 0.5297 50 0.68 59
IV.ESCV.HHZ. 2021-11-13T13:49:40.97 3.0 negative manual Pg 14.52 0
IV.CSP1.EHZ. 2021-11-13T13:49:38.58 0.3 undecidable manual S 42 0.357 50 0.28 68
IV.MTGR.HHZ. 2021-11-13T13:49:38.54 3.0 negative manual Pg 8.85 0
IV.MML1.EHZ. 2021-11-13T13:49:36.39 0.3 undecidable manual S 13 0.2959 50 -0.09 72
IV.EL6.EHZ. 2021-11-13T13:49:35.67 0.6 undecidable manual P 18 0.5297 50 0.05 46
IV.FDMO.HHZ. 2021-11-13T13:49:35.29 0.3 undecidable manual S 36 0.2608 50 -0.13 72
IV.LNSS.HHZ. 2021-11-13T13:49:34.95 0.3 undecidable manual S 152 0.2509 50 -0.2 71
IV.NRCA.HHZ. 2021-11-13T13:49:32.46 0.3 undecidable manual S 87 0.1718 117 0 75
IV.CESI.HHZ. 2021-11-13T13:49:32.62 0.3 undecidable manual S 6 0.1808 116 -0.14 73
IV.CSP1.EHZ. 2021-11-13T13:49:32.66 0.3 undecidable manual P 42 0.357 50 -0.01 72
IV.ECTS.HHZ. 2021-11-13T13:49:32.97 3.0 negative manual Pg 8.34 0
IV.MML1.EHZ. 2021-11-13T13:49:31.49 0.3 undecidable manual P 13 0.2959 50 -0.14 71
MN.CLTB.HHZ. 2021-11-13T13:49:31.69 3.0 negative manual Pn -0.16 0
IV.CET2.HHZ. 2021-11-13T13:49:31.39 3.0 undecidable manual Sg 2.82 0
IV.GAVE.EHZ. 2021-11-13T13:49:31.26 0.3 undecidable manual S 175 0.1331 124 0.09 74
IV.LNSS.HHZ. 2021-11-13T13:49:30.84 0.1 undecidable manual P 152 0.2509 50 -0.02 98
IV.FDMO.HHZ. 2021-11-13T13:49:30.69 0.1 undecidable manual P 36 0.2608 50 -0.32 92
IV.NRCA.HHZ. 2021-11-13T13:49:29.32 0.1 undecidable manual P 87 0.1718 117 0.01 100
IV.CESI.HHZ. 2021-11-13T13:49:29.43 0.1 undecidable manual P 6 0.1808 116 -0.05 99
IV.GAVE.EHZ. 2021-11-13T13:49:28.74 0.1 undecidable manual P 175 0.1331 124 0.18 97
IV.PP3.EHZ. 2021-11-13T13:49:28.65 3.0 undecidable manual Sn -5.65 0
IV.RESU.HHZ. 2021-11-13T13:49:28.05 3.0 negative manual Pn -0.59 0
IV.PP3.EHZ. 2021-11-13T13:49:12.10 3.0 negative manual Pg 4.67 0
IV.GIZZ.HHZ. 2021-11-13T13:49:12.30 3.0 undecidable manual Pn 0.1 0
IV.TDS.HHZ. 2021-11-13T13:49:06.84 3.0 undecidable manual Pn 2.37 0
IV.T0110.HHZ. 2021-11-13T13:49:03.79 3.0 undecidable manual S -5.72 0
IV.GRIS.EHZ. 2021-11-13T13:48:59.68 3.0 undecidable manual Pn -1.44 0
IX.SNR3.EHZ.02 2021-11-13T13:48:57.10 3.0 undecidable manual S 1.12 0
IV.MRLC.HHZ. 2021-11-13T13:48:56.97 3.0 undecidable manual Sn -0.98 0
IX.COL3.HHZ.02 2021-11-13T13:48:47.96 3.0 undecidable manual P 0.93 0
IX.SCL3.EHZ.02 2021-11-13T13:48:47.21 3.0 negative manual P -0.63 0
IV.MRVN.HHZ. 2021-11-13T13:48:45.89 3.0 undecidable manual Pn -4.69 0
IV.LRP.EHZ. 2021-11-13T13:48:45.86 3.0 negative manual P -5.28 0
IV.SGG.HHZ. 2021-11-13T13:48:45.57 3.0 undecidable manual Sn -4.3 0
OT.OT17.EHZ. 2021-11-13T13:48:42.59 3.0 positive manual P -0.51 0
IV.PIGN.HHZ. 2021-11-13T13:48:38.11 3.0 negative manual P -6.76 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.1 0.00011835531 0.2176 AML other m 2021-11-13T13:49:31.44
IV.GAVE.EHN. ML:1 0.000110790575 0.1216 AML other m 2021-11-13T13:49:31.58
IV.NRCA.HHN. ML:0.8 5.6126E-5 0.096 AML other m 2021-11-13T13:49:33.06
IV.CESI.HHN. ML:0.9 5.3202255E-5 0.1024 AML other m 2021-11-13T13:49:32.99
IV.CESI.HHE. ML:0.8 4.959601E-5 0.1024 AML other m 2021-11-13T13:49:33.33
IV.NRCA.HHE. ML:0.8 5.45E-5 0.12 AML other m 2021-11-13T13:49:34.24
IV.LNSS.HHE. ML:1 5.54E-5 0.1 AML other m 2021-11-13T13:49:35.54
IV.FDMO.HHN. ML:0.6 2.065E-5 0.34 AML other m 2021-11-13T13:49:35.65
IV.LNSS.HHN. ML:1.1 6.65E-5 0.16 AML other m 2021-11-13T13:49:36.01
IV.MOMA.HHN. ML:0.7 2.76E-5 0.58 AML other m 2021-11-13T13:49:36.29
IV.FDMO.HHE. ML:0.6 1.838083E-5 0.1152 AML other m 2021-11-13T13:49:36.58
IV.MML1.EHN. ML:0.8 2.6998325E-5 0.0832 AML other m 2021-11-13T13:49:37.56
IV.MML1.EHE. ML:0.8 3.16E-5 0.12 AML other m 2021-11-13T13:49:37.05
IV.CSP1.EHE. ML:1 3.5690685E-5 0.224 AML other m 2021-11-13T13:49:41.39
IV.CSP1.EHN. ML:1.1 4.08909E-5 0.16 AML other m 2021-11-13T13:49:40.04
IV.MOMA.HHE. ML:0.8 3.285E-5 0.16 AML other m 2021-11-13T13:50:10.71
IV.GAVE.HNE. ML:1.2 0.00014008403 0.1984 AML other m 2021-11-13T13:49:32.53
IV.EL6.EHE. ML:1.2 3.245534E-5 0.1216 AML other m 2021-11-13T13:49:44.66
IV.EL6.EHN. ML:1.1 2.355186E-5 0.1152 AML other m 2021-11-13T13:49:44.64
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