Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 25-03-2020 and time 08:09:18 (UTC) in region 2 km E Sellano (PG)

A magnitude ML 2.1 earthquake occured in region: 2 km E Sellano (PG), on

  • 25-03-2020 08:09:18 (UTC)
  • 25-03-2020 09:09:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 12.9520 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 2 1079 1079
Preci PG 7 724 1803
Cerreto di Spoleto PG 8 1075 2878
Visso MC 12 1107 3985
Monte Cavallo MC 13 145 4130
Vallo di Nera PG 15 364 4494
Norcia PG 16 4957 9451
Campello sul Clitunno PG 16 2442 11893
Castelsantangelo sul Nera MC 17 281 12174
Trevi PG 17 8469 20643
Ussita MC 17 444 21087
Cascia PG 19 3217 24304
Poggiodomo PG 19 117 24421
Pieve Torina MC 19 1458 25879
Sant'Anatolia di Narco PG 19 564 26443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 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)
100 Km N of Guidonia Montecelio (88673 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 2.1 2020-03-25
08:09:18		 42.8863 12.952 10 2020-07-18
21:08:38		 Bollettino Sismico Italiano INGV 79689771
Reviewed
Rev100 		ML 2.1 2020-03-25
08:09:18		 42.8932 12.9598 12 2020-03-25
08:18:27		 Sala Sismica INGV-Roma 77554701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-25 08:09:18 ± 0.06
Latitude 42.8863 ± 0.0027
Longitude 12.9520 ± 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 79689771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
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) 41
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.10432
Epicentral distance of station farthest from the epicenter (degree) 0.77252
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 46
Type of magnitude ML
Reference to an origin 77554701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-25 08:18:27

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 79689771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 16:54:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-03-25T08:09:44.77 0.6 undecidable manual S 340 85.7475 50 0.94 33
IV.FIAM.HHZ. 2020-03-25T08:09:40.15 0.6 undecidable manual S 169 69.8745 50 0.56 40
IV.ARVD.HHZ. 2020-03-25T08:09:39.59 0.3 undecidable manual S 359 67.8765 50 0.55 61
IV.MURB.HHZ. 2020-03-25T08:09:36.23 0.6 undecidable manual S 320 54.3012 50 0.82 38
IV.EL6.EHZ. 2020-03-25T08:09:34.65 0.3 undecidable manual S 14 50.616 50 0.21 68
IV.RM33.EHZ. 2020-03-25T08:09:33.93 0.3 undecidable manual S 153 47.0196 50 0.45 66
IV.NARO.HHZ. 2020-03-25T08:09:33.04 0.3 undecidable manual P 340 85.7475 50 0.02 67
IV.SAP2.EHZ. 2020-03-25T08:09:33.30 0.3 undecidable manual S 57 43.1235 50 0.86 56
IV.PIEI.HHZ. 2020-03-25T08:09:32.35 0.3 undecidable manual P 335 79.5648 50 0.29 64
IV.ATCC.EHZ. 2020-03-25T08:09:32.09 0.3 undecidable manual S 323 41.7249 50 0.03 72
IV.MPAG.EHZ. 2020-03-25T08:09:32.62 0.3 undecidable manual P 349 83.8494 50 -0.1 66
IV.SNTG.HHZ. 2020-03-25T08:09:31.64 0.3 undecidable manual S 359 40.9257 50 -0.2 70
IV.GUMA.HHZ. 2020-03-25T08:09:31.11 0.1 undecidable manual S 58 36.741 50 0.37 90
IV.MTRA.EHZ. 2020-03-25T08:09:31.52 0.3 undecidable manual S 112 38.9277 50 0.2 70
IV.GIGS.HHZ. 2020-03-25T08:09:30.39 0.3 undecidable manual P 133 69.7746 50 -0.17 67
IV.ARVD.HHZ. 2020-03-25T08:09:30.06 0.1 undecidable manual P 359 67.8765 50 -0.2 89
IV.FIAM.HHZ. 2020-03-25T08:09:30.34 0.3 undecidable manual P 169 69.8745 50 -0.23 66
IV.FRON.EHZ. 2020-03-25T08:09:30.86 0.3 undecidable manual P 345 72.372 50 -0.1 67
IV.MOMA.HHZ. 2020-03-25T08:09:29.84 0.3 undecidable manual S 254 32.3454 50 0.27 70
IV.LNSS.HHZ. 2020-03-25T08:09:29.50 0.3 undecidable manual S 167 32.2455 50 -0.04 73
IV.SSFR.HHZ. 2020-03-25T08:09:29.38 0.3 undecidable manual P 347 62.493 50 -0.05 69
IV.MURB.HHZ. 2020-03-25T08:09:28.00 0.3 undecidable manual P 320 54.3012 50 -0.16 69
IV.CSP1.EHZ. 2020-03-25T08:09:28.85 0.3 undecidable manual S 42 30.6471 50 -0.26 70
IV.TERO.HHZ. 2020-03-25T08:09:28.88 0.3 undecidable manual P 119 60.5949 50 -0.26 67
IV.MMO1.EHZ. 2020-03-25T08:09:28.90 0.3 undecidable manual S 87 30.5472 50 -0.17 72
IV.SAP2.EHZ. 2020-03-25T08:09:27.00 0.3 undecidable manual P 57 43.1235 50 0.55 64
IV.EL6.EHZ. 2020-03-25T08:09:27.34 0.1 undecidable manual P 14 50.616 50 -0.26 90
IV.MC2.EHZ. 2020-03-25T08:09:26.27 0.6 undecidable manual S 82 19.4694 117 0.41 46
IV.CESX.HHZ. 2020-03-25T08:09:26.21 0.1 undecidable manual P 224 42.8238 50 -0.19 93
IV.RM33.EHZ. 2020-03-25T08:09:26.90 0.1 undecidable manual P 153 47.0196 50 -0.15 93
IV.SMA1.EHZ. 2020-03-25T08:09:26.23 0.1 undecidable manual P 132 42.2244 50 -0.07 95
IV.GUMA.HHZ. 2020-03-25T08:09:25.51 0.1 undecidable manual P 58 36.741 50 0.05 97
IV.MF5.EHZ. 2020-03-25T08:09:25.35 0.3 undecidable manual P 75 42.7239 50 -1.04 52
IV.MTRA.EHZ. 2020-03-25T08:09:25.61 0.1 undecidable manual P 112 38.9277 50 -0.19 94
IV.ARRO.EHZ. 2020-03-25T08:09:25.47 0.1 undecidable manual P 204 37.3293 50 -0.08 96
IV.SNTG.HHZ. 2020-03-25T08:09:25.70 0.1 undecidable manual P 359 40.9257 50 -0.4 89
IV.FDMO.HHZ. 2020-03-25T08:09:25.75 0.3 undecidable manual S 33 19.9689 117 -0.26 72
IT.GNU.HGE. 2020-03-25T08:09:25.41 0.6 undecidable manual P 254 32.3454 50 0.62 42
IV.ATCC.EHZ. 2020-03-25T08:09:25.96 0.1 undecidable manual P 323 41.7249 50 -0.26 92
IV.MOMA.HHZ. 2020-03-25T08:09:24.94 0.1 undecidable manual P 254 32.3454 50 0.15 96
IV.CESI.HHZ. 2020-03-25T08:09:24.08 0.3 undecidable manual S 344 13.6752 126 -0.08 75
IV.LNSS.HHZ. 2020-03-25T08:09:24.65 0.1 undecidable manual P 167 32.2455 50 -0.12 96
IV.NRCA.HNZ. 2020-03-25T08:09:24.54 0.3 undecidable manual S 114 14.4744 125 0.17 74
IV.PF6.EHZ. 2020-03-25T08:09:24.71 0.1 undecidable manual P 35 34.1436 50 -0.35 91
IV.SEF1.HNE. 2020-03-25T08:09:24.07 0.1 undecidable manual P 359 28.8489 50 -0.18 96
IV.CSP1.EHZ. 2020-03-25T08:09:24.28 0.1 undecidable manual P 42 30.6471 50 -0.25 94
IV.MMO1.EHZ. 2020-03-25T08:09:24.30 0.1 undecidable manual P 87 30.5472 50 -0.2 95
IV.FEMA.HNZ. 2020-03-25T08:09:23.82 0.3 undecidable manual S 43 11.5773 131 0.24 73
IV.MML1.HNN. 2020-03-25T08:09:23.48 0.1 undecidable manual P 4 25.2525 50 -0.21 96
IT.FOPC.HGZ. 2020-03-25T08:09:23.13 0.1 undecidable manual P 295 22.2555 114 -0.02 100
IT.MTCL.HGZ. 2020-03-25T08:09:23.72 0.3 undecidable manual S 18 12.5763 129 -0.12 75
IV.FDMO.HHZ. 2020-03-25T08:09:22.62 0.1 undecidable manual P 33 19.9689 117 -0.12 98
IV.MC2.EHZ. 2020-03-25T08:09:22.72 0.1 undecidable manual P 82 19.4694 117 0.07 99
IT.MTCL.HGZ. 2020-03-25T08:09:21.59 0.1 negative manual P 18 12.5763 129 0.11 100
IV.FEMA.HNZ. 2020-03-25T08:09:21.65 0.1 undecidable manual P 43 11.5773 131 0.32 96
IV.CESI.HHZ. 2020-03-25T08:09:21.83 0.1 undecidable manual P 344 13.6752 126 0.16 98
IV.NRCA.HNZ. 2020-03-25T08:09:21.92 0.1 undecidable manual P 114 14.4744 125 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNN. ML:2.0 0.001081 1.8 AML other m 2020-03-25T08:09:24.97
IV.FEMA.HNE. ML:2.1 0.001405 0.76 AML other m 2020-03-25T08:09:25.29
IV.FDMO.HHN. ML:2.0 0.0008445 0.6 AML other m 2020-03-25T08:09:25.88
IV.CESI.HNE. ML:2.2 0.00153 0.52 AML other m 2020-03-25T08:09:26.17
IV.CESI.HHE. ML:2.2 0.00171 0.32 AML other m 2020-03-25T08:09:26.17
IV.CESI.HHN. ML:2.4 0.0029249999999999996 0.26 AML other m 2020-03-25T08:09:26.18
IV.CESI.HNN. ML:2.4 0.0028399999999999996 0.26 AML other m 2020-03-25T08:09:26.18
IV.NRCA.HHN. ML:2.4 0.002285 0.16 AML other m 2020-03-25T08:09:26.33
IV.NRCA.HNN. ML:2.3 0.00217 0.12 AML other m 2020-03-25T08:09:26.33
IV.NRCA.HHE. ML:2.4 0.002585 0.1 AML other m 2020-03-25T08:09:26.43
IV.NRCA.HNE. ML:2.4 0.0024950000000000003 0.1 AML other m 2020-03-25T08:09:26.44
IV.FDMO.HHE. ML:2.1 0.001003 0.18 AML other m 2020-03-25T08:09:27.57
IV.MOMA.HNN. ML:2.0 0.000489 1.32 AML other m 2020-03-25T08:09:31.73
IV.GUMA.HHE. ML:2.2 0.0006475 0.58 AML other m 2020-03-25T08:09:31.49
IV.CSP1.EHN. ML:1.9 0.000384 0.26 AML other m 2020-03-25T08:09:31.22
IV.CSP1.EHE. ML:2.1 0.000596 0.28 AML other m 2020-03-25T08:09:31.19
IV.LNSS.HHN. ML:2.1 0.0005865 0.22 AML other m 2020-03-25T08:09:31.61
IV.LNSS.HHE. ML:2.3 0.00095 0.86 AML other m 2020-03-25T08:09:31.56
IV.MOMA.HNE. ML:2.0 0.00047299999999999995 0.9 AML other m 2020-03-25T08:09:32.57
IV.MOMA.HHE. ML:2.0 0.0004945 0.9 AML other m 2020-03-25T08:09:32.57
IV.MF5.EHN. ML:2.0 0.00034599999999999995 0.3 AML other m 2020-03-25T08:09:32.16
IV.MOMA.HHN. ML:2.0 0.0004785 0.36 AML other m 2020-03-25T08:09:32.81
IV.SNTG.HHN. ML:2.0 0.000372 0.18 AML other m 2020-03-25T08:09:33.72
IV.ARRO.EHE. ML:1.7 0.000179 0.26 AML other m 2020-03-25T08:09:34.32
IV.SNTG.HHE. ML:1.8 0.00022000000000000003 0.64 AML other m 2020-03-25T08:09:34.38
IV.ATCC.EHE. ML:1.8 0.0002315 0.4 AML other m 2020-03-25T08:09:34.63
IV.ARRO.EHN. ML:1.6 0.000141 0.2 AML other m 2020-03-25T08:09:34.63
IV.MTRA.EHE. ML:1.8 0.0002065 0.76 AML other m 2020-03-25T08:09:34.54
IV.CESX.HHN. ML:1.8 0.000225 0.82 AML other m 2020-03-25T08:09:34.78
IV.CESX.HHE. ML:2.0 0.0003175 1.68 AML other m 2020-03-25T08:09:34.99
IV.ATCC.EHN. ML:1.8 0.00020500000000000002 0.26 AML other m 2020-03-25T08:09:35.21
IV.MTRA.EHN. ML:1.6 0.0001425 0.74 AML other m 2020-03-25T08:09:35.60
IV.SAP2.EHN. ML:2.9 0.00248 0.18 AML other m 2020-03-25T08:09:35.52
IV.GUMA.HHN. ML:2.1 0.0004455 0.36 AML other m 2020-03-25T08:09:35.53
IV.SAP2.EHE. ML:2.1 0.0003615 1.32 AML other m 2020-03-25T08:09:35.21
IV.RM33.EHN. ML:1.9 0.00022499999999999997 1.36 AML other m 2020-03-25T08:09:36.23
IV.EL6.EHE. ML:2.2 0.00045799999999999997 0.38 AML other m 2020-03-25T08:09:36.64
IV.RM33.EHE. ML:2.0 0.000308 1.08 AML other m 2020-03-25T08:09:37.15
IV.SMA1.EHN. ML:1.8 0.00019600000000000002 0.58 AML other m 2020-03-25T08:09:37.27
IV.EL6.EHN. ML:2.2 0.0004325 0.24 AML other m 2020-03-25T08:09:37.48
IV.MURB.HHE. ML:2.2 0.000368 1.66 AML other m 2020-03-25T08:09:39.11
IV.SMA1.EHE. ML:2.0 0.0003415 0.42 AML other m 2020-03-25T08:09:39.49
IV.MF5.EHE. ML:2.1 0.00038700000000000003 0.42 AML other m 2020-03-25T08:09:40.51
IV.SSFR.HHE. ML:2.1 0.000272 0.48 AML other m 2020-03-25T08:09:41.78
IV.MURB.HHN. ML:2.3 0.0004545 0.44 AML other m 2020-03-25T08:09:41.57
IV.ARVD.HHE. ML:2.0 0.0001815 0.54 AML other m 2020-03-25T08:09:41.43
IV.SSFR.HHN. ML:2.1 0.000243 0.16 AML other m 2020-03-25T08:09:41.94
IV.ARVD.HHN. ML:1.9 0.000134 0.74 AML other m 2020-03-25T08:09:41.95
IV.NARO.HHN. ML:1.8 0.0000846 0.42 AML other m 2020-03-25T08:09:46.68
IV.NARO.HHE. ML:1.9 0.00010389999999999999 1.54 AML other m 2020-03-25T08:09:53.17
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
Waveforms Seismic signals in miniseed + resp format Download