Earthquake with magnitude of ML 1.3 on date 29-09-2021 and time 06:43:55 (Italy) in region 5 km SE Sellano (PG)

A magnitude ML 1.3 earthquake occured in region: 5 km SE Sellano (PG), on

  • 29-09-2021 04:43:55 (UTC)
  • 29-09-2021 06:43:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8540, 12.9540 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
Sellano PG 5 1079 1079
Cerreto di Spoleto PG 5 1075 2154
Preci PG 8 724 2878
Vallo di Nera PG 12 364 3242
Norcia PG 13 4957 8199
Visso MC 14 1107 9306
Campello sul Clitunno PG 15 2442 11748
Cascia PG 16 3217 14965
Poggiodomo PG 16 117 15082
Monte Cavallo MC 16 145 15227
Sant'Anatolia di Narco PG 16 564 15791
Trevi PG 17 8469 24260
Castelsantangelo sul Nera MC 17 281 24541
Ussita MC 18 444 24985
Scheggino PG 19 461 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 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 1.3 2021-09-29
04:43:55
42.854 12.9538 10 2022-03-30
13:04:09
Bollettino Sismico Italiano INGV 96253731
Reviewed
Rev100
ML 1.5 2021-09-29
04:43:55
42.8535 12.9612 11 2021-09-29
04:48:39
Sala Sismica INGV-Roma 96014951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-29 04:43:55 ± 0.05
Latitude 42.8540 ± 0.0027
Longitude 12.9538 ± 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 96253731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 96253731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-18 10:39:10

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 96014951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-29 04:48:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2021-09-29T04:44:10.08 0.6 undecidable manual S 359 44.5221 50 0.28 45
IV.MF5.EHZ. 2021-09-29T04:44:10.51 0.6 undecidable manual S 70 43.7229 50 0.92 36
IV.RM33.EHZ. 2021-09-29T04:44:09.61 0.6 undecidable manual S 151 43.8228 50 0 48
IV.CSP1.EHZ. 2021-09-29T04:44:06.62 0.6 undecidable manual S 38 33.3444 50 -0.2 47
IV.MOMA.HHZ. 2021-09-29T04:44:06.58 0.6 undecidable manual S 260 31.746 50 0.19 47
IV.ASSB.HHZ. 2021-09-29T04:44:06.25 0.6 undecidable manual S 311 31.8459 50 -0.16 47
IV.MML1.EHZ. 2021-09-29T04:44:05.59 0.1 undecidable manual S 3 28.8489 50 -0.03 98
IV.MMO1.EHZ. 2021-09-29T04:44:05.84 0.1 undecidable manual S 80 30.747 50 -0.29 92
IV.LNSS.HHZ. 2021-09-29T04:44:05.32 0.6 undecidable manual S 166 28.749 50 -0.28 46
IV.MF5.EHZ. 2021-09-29T04:44:03.98 0.1 undecidable manual P 70 43.7229 50 0.43 87
IV.MC2.EHZ. 2021-09-29T04:44:03.16 0.6 undecidable manual S 71 20.1687 117 -0.01 50
IV.SNTG.HHZ. 2021-09-29T04:44:03.62 0.1 negative manual P 359 44.5221 50 -0.05 94
IV.FDMO.HHZ. 2021-09-29T04:44:03.72 0.1 undecidable manual S 28 22.9548 114 -0.33 93
IV.RM33.EHZ. 2021-09-29T04:44:03.51 0.1 negative manual P 151 43.8228 50 -0.05 94
IV.CESI.HHZ. 2021-09-29T04:44:02.28 0.1 undecidable manual S 347 17.1717 121 0 100
IV.GAVE.EHZ. 2021-09-29T04:44:02.60 0.1 undecidable manual S 195 18.5703 119 -0.09 98
IV.LNSS.HHZ. 2021-09-29T04:44:01.07 0.1 positive manual P 166 28.749 50 -0.18 95
IV.CSP1.EHZ. 2021-09-29T04:44:01.87 0.1 positive manual P 38 33.3444 50 -0.09 96
IT.MTCL.HGZ. 2021-09-29T04:44:01.72 0.1 undecidable manual S 13 15.9729 123 -0.19 97
IV.MML1.EHZ. 2021-09-29T04:44:01.16 0.1 undecidable manual P 3 28.8489 50 -0.1 96
IV.MOMA.HHZ. 2021-09-29T04:44:01.77 0.1 undecidable manual P 260 31.746 50 0.06 96
IV.FEMA.HNZ. 2021-09-29T04:44:01.52 0.3 undecidable manual S 33 14.2746 126 0.09 74
IV.MMO1.EHZ. 2021-09-29T04:44:01.52 0.1 undecidable manual P 80 30.747 50 -0.04 97
IV.ASSB.HHZ. 2021-09-29T04:44:01.64 0.1 undecidable manual P 311 31.8459 50 -0.08 96
IV.NRCA.HHZ. 2021-09-29T04:44:00.99 0.1 undecidable manual S 100 13.2756 128 -0.15 98
IV.MC2.EHZ. 2021-09-29T04:44:00.29 0.1 undecidable manual P 71 20.1687 117 0.44 91
IV.FDMO.HHZ. 2021-09-29T04:44:00.24 0.1 positive manual P 28 22.9548 114 -0.11 97
IV.GAVE.EHZ. 2021-09-29T04:43:59.70 0.1 positive manual P 195 18.5703 119 0.13 97
IT.MTCL.HGZ. 2021-09-29T04:43:59.17 0.1 undecidable manual P 13 15.9729 123 0.05 99
IV.CESI.HHZ. 2021-09-29T04:43:59.50 0.1 positive manual P 347 17.1717 121 0.17 97
IV.FEMA.HNZ. 2021-09-29T04:43:59.04 0.3 undecidable manual P 33 14.2746 126 0.19 72
IV.NRCA.HHZ. 2021-09-29T04:43:58.74 0.1 negative manual P 100 13.2756 128 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.9 0.0009390000000000001 0.1 AML other m 2021-09-29T04:44:01.11
IV.NRCA.HHN. ML:2.0 0.0010194999999999998 0.1 AML other m 2021-09-29T04:44:01.11
IV.NRCA.HNE. ML:1.7 0.00052155155 0.1792 AML other m 2021-09-29T04:44:01.17
IV.NRCA.HHE. ML:1.7 0.0005735628 0.16 AML other m 2021-09-29T04:44:01.17
IV.CESI.HHE. ML:1.1 0.00011094909999999999 0.1376 AML other m 2021-09-29T04:44:02.46
IV.CESI.HHN. ML:1.5 0.00027800000000000004 0.4 AML other m 2021-09-29T04:44:02.59
IV.GAVE.EHN. ML:1.0 0.000074381455 0.1408 AML other m 2021-09-29T04:44:02.82
IV.GAVE.EHE. ML:1.2 0.0001330031 0.08 AML other m 2021-09-29T04:44:02.93
IV.GAVE.HNE. ML:1.3 0.00014912305000000002 0.0896 AML other m 2021-09-29T04:44:02.93
IV.FDMO.HHE. ML:1.9 0.00047599999999999997 0.16 AML other m 2021-09-29T04:44:03.91
IV.FDMO.HHN. ML:1.4 0.0001553659 0.1216 AML other m 2021-09-29T04:44:03.88
IV.LNSS.HHE. ML:1.1 0.00006355698 0.0992 AML other m 2021-09-29T04:44:05.44
IV.LNSS.HHN. ML:1.3 0.00009924052 0.1408 AML other m 2021-09-29T04:44:05.66
IV.MML1.EHN. ML:1.5 0.000144 0.16 AML other m 2021-09-29T04:44:05.83
IV.MML1.HNN. ML:1.4 0.00013652825000000002 0.1472 AML other m 2021-09-29T04:44:05.83
IV.MML1.HNE. ML:1.6 0.00017837710000000002 0.1696 AML other m 2021-09-29T04:44:05.92
IV.MML1.EHE. ML:1.6 0.0001795 0.18 AML other m 2021-09-29T04:44:05.84
IV.ASSB.HHE. ML:0.8 0.000026663585 0.2368 AML other m 2021-09-29T04:44:06.55
IV.ASSB.HHN. ML:0.8 0.00002790583 0.1824 AML other m 2021-09-29T04:44:06.84
IV.MOMA.HHN. ML:0.7 0.000023917235 0.4416 AML other m 2021-09-29T04:44:07.04
IV.CSP1.EHN. ML:1.5 0.00014403805 0.1184 AML other m 2021-09-29T04:44:07.12
IV.SNTG.HHN. ML:0.8 0.00001871709 0.32 AML other m 2021-09-29T04:44:10.43
IV.SNTG.HHE. ML:0.9 0.0000253398045 0 AML other m 2021-09-29T04:44:10.51
IV.RM33.EHE. ML:1.0 0.0000314 0.26 AML other m 2021-09-29T04:44:11.10
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