Earthquake with magnitude of ML 1.0 on date 17-11-2021 and time 00:29:01 (UTC) in region 2 km E Sellano (PG)

A magnitude ML 1.0 earthquake occured in region: 2 km E Sellano (PG), on

  • 17-11-2021 00:29:01 (UTC)
  • 17-11-2021 01:29:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8940, 12.9540 at 11 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
Sellano PG 2 1079 1079
Preci PG 7 724 1803
Cerreto di Spoleto PG 9 1075 2878
Visso MC 12 1107 3985
Monte Cavallo MC 12 145 4130
Vallo di Nera PG 16 364 4494
Norcia PG 16 4957 9451
Ussita MC 16 444 9895
Castelsantangelo sul Nera MC 16 281 10176
Campello sul Clitunno PG 17 2442 12618
Trevi PG 17 8469 21087
Pieve Torina MC 19 1458 22545
Fiordimonte MC 19 202 22747
Serravalle di Chienti MC 20 1070 23817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
93 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 1.0 2021-11-17
00:29:01
42.8945 12.9542 11 2022-03-30
13:04:17
Bollettino Sismico Italiano INGV 97753331
Reviewed
Rev100
ML 0.9 2021-11-17
00:29:01
42.8942 12.9522 11 2021-11-17
00:38:00
Sala Sismica INGV-Roma 97504931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-17 00:29:01 ± 0.04
Latitude 42.8945 ± 0.0027
Longitude 12.9542 ± 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 97753331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 224
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 99
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.29857
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 97753331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-24 14:29:21

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 97504931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-17 00:38:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HNZ. 2021-11-17T00:29:13.42 0.6 undecidable manual S 252 32.8449 50 0.41 45
IV.LNSS.HNZ. 2021-11-17T00:29:13.06 0.6 undecidable manual S 168 33.1446 50 -0.03 48
IV.CSP1.EHZ. 2021-11-17T00:29:12.17 0.3 undecidable manual S 43 29.8479 50 -0.06 73
IV.GAVE.EHZ. 2021-11-17T00:29:10.24 0.3 undecidable manual S 192 22.9548 50 -0.14 72
IV.MML1.HNZ. 2021-11-17T00:29:10.47 0.3 undecidable manual S 3 24.3534 50 -0.28 70
IV.FDMO.HHZ. 2021-11-17T00:29:09.22 0.3 undecidable manual S 34 19.0698 50 -0.13 73
IV.MC2.EHZ. 2021-11-17T00:29:09.85 0.3 undecidable manual S 84 19.1697 50 0.48 68
IV.LNSS.HNZ. 2021-11-17T00:29:08.07 0.1 undecidable manual P 168 33.1446 50 -0.24 93
IV.MOMA.HNZ. 2021-11-17T00:29:08.27 0.1 undecidable manual P 252 32.8449 50 0.01 97
IV.CESI.HHZ. 2021-11-17T00:29:07.59 0.3 undecidable manual S 342 12.876 130 -0.07 75
IV.ASSB.HHZ. 2021-11-17T00:29:07.65 0.6 undecidable manual P 305 29.0487 50 -0.04 49
IV.NRCA.HHZ. 2021-11-17T00:29:07.97 0.3 undecidable manual S 117 14.6742 127 -0.17 73
IT.MTCL.HGZ. 2021-11-17T00:29:07.18 0.3 undecidable manual S 18 11.5773 133 -0.15 74
IV.FEMA.HNZ. 2021-11-17T00:29:07.19 0.3 undecidable manual S 46 10.7781 136 0.06 75
IV.CSP1.EHZ. 2021-11-17T00:29:07.81 0.3 undecidable manual P 43 29.8479 50 0 73
IV.MML1.HNZ. 2021-11-17T00:29:06.96 0.1 undecidable manual P 3 24.3534 50 0 99
IV.MC2.EHZ. 2021-11-17T00:29:06.26 0.6 undecidable manual P 84 19.1697 50 0.1 49
IV.GAVE.EHZ. 2021-11-17T00:29:06.78 0.3 undecidable manual P 192 22.9548 50 0.03 74
IV.FDMO.HHZ. 2021-11-17T00:29:06.17 0.1 positive manual P 34 19.0698 50 0.02 99
IV.CESI.HHZ. 2021-11-17T00:29:05.33 0.1 positive manual P 342 12.876 130 0.16 98
IV.NRCA.HHZ. 2021-11-17T00:29:05.45 0.3 undecidable manual P 117 14.6742 127 0 75
IT.MTCL.HGZ. 2021-11-17T00:29:05.04 0.1 undecidable manual P 18 11.5773 133 0.06 100
IV.FEMA.HNZ. 2021-11-17T00:29:05.03 0.3 undecidable manual P 46 10.7781 136 0.16 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.0 0.00009659496 1.78 AML other m 2021-11-17T00:29:07.93
IV.CESI.HHN. ML:1.2 0.00015518274999999998 1.64 AML other m 2021-11-17T00:29:07.93
IV.FDMO.HHN. ML:0.7 0.000033538949999999995 2.32 AML other m 2021-11-17T00:29:09.67
IV.FDMO.HHE. ML:0.9 0.00006226588 2.14 AML other m 2021-11-17T00:29:09.00
IV.GAVE.EHN. ML:1.0 0.00005978044 0.3 AML other m 2021-11-17T00:29:10.89
IV.GAVE.EHE. ML:1.1 0.000075728215 0.98 AML other m 2021-11-17T00:29:10.85
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