Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 09-01-2021 and time 11:01:43 (Italy) in region 9 km NW Sellano (PG)

A magnitude ML 1.5 earthquake occured in region: 9 km NW Sellano (PG), on

  • 09-01-2021 10:01:43 (UTC)
  • 09-01-2021 11:01:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9620, 12.8880 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
Sellano PG 9 1079 1079
Monte Cavallo MC 10 145 1224
Serravalle di Chienti MC 13 1070 2294
Trevi PG 15 8469 10763
Foligno PG 15 57155 67918
Preci PG 15 724 68642
Valtopina PG 15 1398 70040
Cerreto di Spoleto PG 16 1075 71115
Pieve Torina MC 16 1458 72573
Visso MC 17 1107 73680
Spello PG 18 8645 82325
Campello sul Clitunno PG 18 2442 84767
Nocera Umbra PG 19 5839 90606
Fiordimonte MC 19 202 90808
Muccia MC 19 915 91723
Pievebovigliana MC 20 866 92589

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
49 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
99 Km S of Fano (60888 inhabitants)
99 Km SE of Arezzo (99543 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 1.5 2021-01-09
10:01:43		 42.9615 12.8883 10 2021-07-12
16:55:03		 Bollettino Sismico Italiano INGV 88459011
Reviewed
Rev100 		ML 1.7 2021-01-09
10:01:43		 42.9592 12.8797 10 2021-01-09
10:07:30		 Sala Sismica INGV-Roma 86119701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-09 10:01:43 ± 0.04
Latitude 42.9615 ± 0.0027
Longitude 12.8883 ± 0.0025
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 88459011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 236
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
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) 49
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.41639
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 88459011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-25 10:17:38

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 86119701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-09 10:07:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHE. 2021-01-09T10:01:58.51 0.3 undecidable manual S 319 44.5221 50 0.4 67
IV.EL6.EHZ. 2021-01-09T10:01:58.30 0.6 undecidable manual S 23 44.3223 50 0.26 46
IV.LNSS.HHZ. 2021-01-09T10:01:57.10 0.6 undecidable manual S 163 41.625 50 -0.23 46
IV.GUMA.HHZ. 2021-01-09T10:01:56.70 0.3 undecidable manual S 73 37.9287 50 0.36 68
IV.MMO1.EHZ. 2021-01-09T10:01:55.70 0.6 undecidable manual S 101 36.2415 50 -0.2 47
IV.MOMA.HHZ. 2021-01-09T10:01:54.20 0.6 undecidable manual S 236 31.2465 50 -0.35 46
IV.PF6.EHN. 2021-01-09T10:01:54.31 0.3 undecidable manual S 52 31.6461 50 -0.34 69
IV.SNTG.HHZ. 2021-01-09T10:01:54.70 0.3 undecidable manual S 7 32.8449 50 -0.28 70
IV.CSP1.EHZ. 2021-01-09T10:01:54.00 0.3 undecidable manual S 61 29.4483 50 -0.08 73
IT.GNU.HGE. 2021-01-09T10:01:54.87 0.6 undecidable manual S 236 31.2465 50 0.32 46
IV.MC2.EHZ. 2021-01-09T10:01:52.80 0.6 undecidable manual S 103 25.0527 50 -0.1 49
IV.MURB.HHE. 2021-01-09T10:01:52.18 0.6 undecidable manual P 319 44.5221 50 0.22 46
IV.NRCA.HHZ. 2021-01-09T10:01:52.10 0.3 undecidable manual S 128 23.2545 114 -0.26 72
IV.CESX.HHE. 2021-01-09T10:01:52.33 0.6 undecidable manual P 212 46.2204 50 0.11 47
IV.LNSS.HHZ. 2021-01-09T10:01:51.42 0.3 undecidable manual P 163 41.625 50 -0.09 72
IV.GUMA.HHZ. 2021-01-09T10:01:51.27 0.3 undecidable manual P 73 37.9287 50 0.33 69
IV.EL6.EHZ. 2021-01-09T10:01:51.86 0.3 undecidable manual P 23 44.3223 50 -0.06 72
IV.ASSB.HHZ. 2021-01-09T10:01:51.10 0.3 undecidable manual S 296 20.6682 116 -0.47 69
IV.FDMO.HHZ. 2021-01-09T10:01:50.60 0.3 undecidable manual S 63 18.1707 119 -0.19 73
IT.FOPC.HGZ. 2021-01-09T10:01:50.10 0.6 undecidable manual S 274 15.0738 124 0.23 49
IV.MMO1.EHZ. 2021-01-09T10:01:50.57 0.3 undecidable manual P 101 36.2415 50 -0.11 72
IV.MOMA.HHZ. 2021-01-09T10:01:49.99 0.3 undecidable manual P 236 31.2465 50 0.08 73
IT.GNU.HGE. 2021-01-09T10:01:49.98 0.6 undecidable manual P 236 31.2465 50 0.08 49
IV.MC2.EHZ. 2021-01-09T10:01:49.37 0.3 undecidable manual P 103 25.0527 50 0.42 69
IV.PF6.EHN. 2021-01-09T10:01:49.84 0.3 undecidable manual P 52 31.6461 50 -0.12 73
IV.SNTG.HHZ. 2021-01-09T10:01:49.88 0.1 undecidable manual P 7 32.8449 50 -0.27 93
IV.FEMA.HNZ. 2021-01-09T10:01:49.50 0.3 undecidable manual S 90 13.0758 128 0.17 74
IV.CSP1.EHZ. 2021-01-09T10:01:49.63 0.3 undecidable manual P 61 29.4483 50 0 75
IV.NRCA.HHZ. 2021-01-09T10:01:48.57 0.1 undecidable manual P 128 23.2545 114 -0.07 99
IV.ASSB.HHZ. 2021-01-09T10:01:48.07 0.3 undecidable manual P 296 20.6682 116 -0.11 74
IT.MTCL.HGZ. 2021-01-09T10:01:48.40 0.3 undecidable manual S 68 9.6792 136 -0.05 76
IV.CESI.HHZ. 2021-01-09T10:01:47.50 0.3 undecidable manual S 15 4.995 154 -0.01 78
IV.FEMA.HNZ. 2021-01-09T10:01:47.10 0.3 undecidable manual P 90 13.0758 128 0.21 74
IT.FOPC.HGZ. 2021-01-09T10:01:47.11 0.3 undecidable manual P 274 15.0738 124 -0.1 75
IV.FDMO.HHZ. 2021-01-09T10:01:47.81 0.1 undecidable manual P 63 18.1707 119 0.07 100
IT.MTCL.HGZ. 2021-01-09T10:01:46.56 0.3 undecidable manual P 68 9.6792 136 0.17 75
IV.CESI.HHZ. 2021-01-09T10:01:46.08 0.1 negative manual P 15 4.995 154 0.24 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.8 0.00117 0.1 AML other m 2021-01-09T10:01:47.71
IV.CESI.HNN. ML:1.8 0.0011068245000000001 0.1088 AML other m 2021-01-09T10:01:47.65
IV.CESI.HHE. ML:1.9 0.0012789606 0.0768 AML other m 2021-01-09T10:01:47.64
IV.CESI.HNE. ML:1.8 0.0011914617999999998 0.1024 AML other m 2021-01-09T10:01:47.63
IV.FDMO.HHE. ML:1.2 0.00012368100000000002 0.1024 AML other m 2021-01-09T10:01:51.14
IV.FDMO.HHN. ML:1.1 0.00010379677500000001 0.096 AML other m 2021-01-09T10:01:51.16
IV.ASSB.HHN. ML:1.5 0.00023605985 0.0832 AML other m 2021-01-09T10:01:51.74
IV.ASSB.HHE. ML:1.6 0.000256 0.08 AML other m 2021-01-09T10:01:51.74
IV.NRCA.HHN. ML:1.6 0.00022742635 0.1408 AML other m 2021-01-09T10:01:52.91
IV.NRCA.HHE. ML:1.4 0.0001625 0.18 AML other m 2021-01-09T10:01:53.86
IV.CSP1.EHN. ML:1.7 0.00022434785 0.2048 AML other m 2021-01-09T10:01:54.27
IV.CSP1.EHE. ML:1.6 0.00020234685 0.1408 AML other m 2021-01-09T10:01:54.66
IV.MOMA.HHE. ML:1.3 0.00008925 0.26 AML other m 2021-01-09T10:01:55.61
IV.MOMA.HHN. ML:1.1 0.000056999999999999996 1.38 AML other m 2021-01-09T10:01:56.17
IV.GUMA.HHE. ML:2.0 0.000328 0.2 AML other m 2021-01-09T10:01:57.19
IV.GUMA.HHN. ML:1.9 0.0002665 0.18 AML other m 2021-01-09T10:01:57.32
IV.LNSS.HHN. ML:1.4 0.0000897 0.14 AML other m 2021-01-09T10:01:57.71
IV.LNSS.HHE. ML:1.6 0.00013847704999999999 0.1152 AML other m 2021-01-09T10:01:57.88
IV.NRCA.HNE. ML:1.4 0.000158659425 0.2624 AML other m 2021-01-09T10:01:52.27
IV.NRCA.HNN. ML:1.6 0.0002262409 0.1408 AML other m 2021-01-09T10:01:52.99
IV.SNTG.HHE. ML:1.0 0.00004324054 0.1024 AML other m 2021-01-09T10:01:55.54
IV.SNTG.HHN. ML:1.0 0.00004165501000000001 0.1024 AML other m 2021-01-09T10:01:54.99
IV.MOMA.HNE. ML:1.4 0.00011267432 0.3072 AML other m 2021-01-09T10:01:55.89
IV.MOMA.HNN. ML:1.5 0.00014963004000000002 0.3968 AML other m 2021-01-09T10:01:56.24
IV.GUMA.HNE. ML:1.7 0.00018838495 0.1472 AML other m 2021-01-09T10:01:57.25
IV.LNSS.HNE. ML:1.6 0.00011791035 0.1536 AML other m 2021-01-09T10:01:57.76
IV.EL6.EHN. ML:1.5 0.00008781517 0.1792 AML other m 2021-01-09T10:01:59.21
IV.EL6.EHE. ML:1.5 0.000095356553 0.1792 AML other m 2021-01-09T10:01:59.31
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