Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 24-03-2020 and time 02:10:29 (Italy) in region 4 km SW Preci (PG)

A magnitude ML 1.7 earthquake occured in region: 4 km SW Preci (PG), on

  • 24-03-2020 01:10:29 (UTC)
  • 24-03-2020 02:10:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8490, 13.0060 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
Preci PG 4 724 724
Sellano PG 8 1079 1803
Cerreto di Spoleto PG 8 1075 2878
Norcia PG 9 4957 7835
Visso MC 11 1107 8942
Castelsantangelo sul Nera MC 13 281 9223
Cascia PG 14 3217 12440
Vallo di Nera PG 15 364 12804
Ussita MC 15 444 13248
Poggiodomo PG 16 117 13365
Monte Cavallo MC 16 145 13510
Sant'Anatolia di Narco PG 19 564 14074
Campello sul Clitunno PG 19 2442 16516

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
58 Km SE of Perugia (166134 inhabitants)
61 Km W of Teramo (54892 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
95 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 1.7 2020-03-24
01:10:29		 42.8487 13.0063 10 2020-07-18
21:08:29		 Bollettino Sismico Italiano INGV 77695911
Reviewed
Rev100 		ML 1.7 2020-03-24
01:10:29		 42.8527 13.0007 10 2020-03-24
01:19:27		 Sala Sismica INGV-Roma 77520941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-24 01:10:29 ± 0.05
Latitude 42.8487 ± 0.0027
Longitude 13.0063 ± 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 77695911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 305
Semi-minor axis of confidence ellipse (meter) 245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
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 45
Number of defining phases 45
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) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.65021
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 77695911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-01 07:07:51

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 77520941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-24 01:19:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-03-24T01:10:51.80 1.0 undecidable manual S 356 72.1722 50 0.73 19
IV.SSFR.HHZ. 2020-03-24T01:10:50.44 1.0 undecidable manual S 345 67.6767 50 0.59 20
IV.EL6.EHZ. 2020-03-24T01:10:46.60 0.6 undecidable manual S 8 53.9016 50 0.43 43
IV.TERO.HHZ. 2020-03-24T01:10:46.20 0.6 undecidable manual S 117 54.8007 50 -0.21 45
IV.ATCC.EHZ. 2020-03-24T01:10:44.80 0.6 undecidable manual S 322 47.7189 50 0.28 45
IV.SNTG.HHZ. 2020-03-24T01:10:44.00 0.6 undecidable manual S 353 45.4212 50 0.1 47
IV.MF5.EHZ. 2020-03-24T01:10:43.20 0.6 undecidable manual S 67 39.9267 50 0.75 39
IV.RM33.EHZ. 2020-03-24T01:10:42.60 0.6 undecidable manual S 156 41.3253 50 -0.22 46
IV.ARVD.HHZ. 2020-03-24T01:10:41.73 0.6 undecidable manual P 356 72.1722 50 -0.03 45
IV.SMA1.EHZ. 2020-03-24T01:10:41.60 0.6 undecidable manual S 132 36.1416 50 0.17 47
IV.MOMA.HHZ. 2020-03-24T01:10:41.90 0.6 undecidable manual S 262 35.8419 50 0.54 43
IV.ARRO.EHZ. 2020-03-24T01:10:41.30 0.6 undecidable manual S 213 35.742 50 -0.04 48
IV.MTRA.EHZ. 2020-03-24T01:10:40.60 0.6 undecidable manual S 108 33.3444 50 -0.09 48
IV.SSFR.HHZ. 2020-03-24T01:10:40.71 0.6 undecidable manual P 345 67.6767 50 -0.35 42
IT.FOPC.HGN. 2020-03-24T01:10:39.29 0.6 undecidable manual S 299 28.0497 50 0.01 49
IV.MNTT.EHZ. 2020-03-24T01:10:39.33 1.0 undecidable manual P 63 53.4021 50 0.47 21
IV.CSP1.EHZ. 2020-03-24T01:10:39.90 0.3 undecidable manual S 31 31.4463 50 -0.27 69
IV.LNSS.HHZ. 2020-03-24T01:10:38.80 0.6 undecidable manual S 174 27.4503 50 -0.31 46
IV.TERO.HHZ. 2020-03-24T01:10:38.89 1.0 undecidable manual P 117 54.8007 50 -0.18 22
IV.EL6.EHZ. 2020-03-24T01:10:38.84 0.6 undecidable manual P 8 53.9016 50 -0.1 46
IV.MMO1.EHZ. 2020-03-24T01:10:38.60 0.3 undecidable manual S 78 26.6511 50 -0.3 69
IV.ATCC.EHZ. 2020-03-24T01:10:37.83 0.6 undecidable manual P 322 47.7189 50 -0.16 46
IV.SNTG.HHZ. 2020-03-24T01:10:37.38 0.3 undecidable manual P 353 45.4212 50 -0.25 68
IV.FDMO.HHZ. 2020-03-24T01:10:37.00 0.3 undecidable manual S 17 21.867 114 -0.37 69
IV.MF5.EHZ. 2020-03-24T01:10:37.02 0.3 undecidable manual P 67 39.9267 50 0.23 69
IV.MOMA.HHZ. 2020-03-24T01:10:36.30 0.3 undecidable manual P 262 35.8419 50 0.14 70
IV.ARRO.EHZ. 2020-03-24T01:10:36.06 0.3 undecidable manual P 213 35.742 50 -0.09 71
IV.RM33.EHZ. 2020-03-24T01:10:36.84 0.3 undecidable manual P 156 41.3253 50 -0.16 69
IV.CESI.HHZ. 2020-03-24T01:10:36.20 0.3 undecidable manual S 335 19.1697 117 -0.34 70
IV.SMA1.EHZ. 2020-03-24T01:10:36.27 0.1 undecidable manual P 132 36.1416 50 0.07 95
IV.CSP1.EHZ. 2020-03-24T01:10:35.29 0.3 undecidable manual P 31 31.4463 50 -0.18 70
IT.MTCL.HGE. 2020-03-24T01:10:35.30 0.1 undecidable manual S 358 16.0728 121 -0.3 94
IV.MC2.EHZ. 2020-03-24T01:10:35.90 0.3 undecidable manual S 65 16.3725 121 0.21 72
IT.FOPC.HGN. 2020-03-24T01:10:35.01 0.1 undecidable manual P 299 28.0497 50 0.05 97
IV.MTRA.EHZ. 2020-03-24T01:10:35.69 0.3 undecidable manual P 108 33.3444 50 -0.08 72
IV.MMO1.EHZ. 2020-03-24T01:10:34.60 0.1 positive manual P 78 26.6511 50 -0.14 95
IV.FEMA.HNE. 2020-03-24T01:10:34.70 0.1 undecidable manual S 16 13.0758 127 -0.03 100
IV.LNSS.HHZ. 2020-03-24T01:10:34.69 0.3 undecidable manual P 174 27.4503 50 -0.17 71
IV.NRCA.HNZ. 2020-03-24T01:10:33.80 0.3 undecidable manual S 101 8.9799 138 0.14 74
IV.FDMO.HHZ. 2020-03-24T01:10:33.81 0.3 undecidable manual P 17 21.867 114 -0.04 74
IV.MC2.EHZ. 2020-03-24T01:10:33.22 0.3 undecidable manual P 65 16.3725 121 0.34 70
IV.CESI.HHZ. 2020-03-24T01:10:33.46 0.1 negative manual P 335 19.1697 117 0.09 98
IT.MTCL.HGE. 2020-03-24T01:10:32.87 0.1 undecidable manual P 358 16.0728 121 0.03 99
IV.FEMA.HNE. 2020-03-24T01:10:32.55 0.1 undecidable manual P 16 13.0758 127 0.22 96
IV.NRCA.HNZ. 2020-03-24T01:10:31.94 0.1 undecidable manual P 101 8.9799 138 0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.7 0.0006795 0.08 AML other m 2020-03-24T01:10:34.12
IV.NRCA.HHE. ML:1.7 0.000753 1.1 AML other m 2020-03-24T01:10:34.07
IV.NRCA.HNN. ML:1.7 0.0007289999999999999 0.9 AML other m 2020-03-24T01:10:35.57
IV.NRCA.HHN. ML:1.7 0.0007365000000000001 0.38 AML other m 2020-03-24T01:10:35.56
IV.CESI.HHE. ML:1.6 0.0003305 0.2 AML other m 2020-03-24T01:10:36.80
IV.CESI.HHN. ML:1.8 0.0005840000000000001 0.14 AML other m 2020-03-24T01:10:36.79
IV.FDMO.HHN. ML:1.6 0.00023899999999999998 0.18 AML other m 2020-03-24T01:10:37.34
IV.FDMO.HHE. ML:1.8 0.000389 0.14 AML other m 2020-03-24T01:10:37.88
IV.LNSS.HHE. ML:1.6 0.0001885 1.42 AML other m 2020-03-24T01:10:39.96
IV.LNSS.HHN. ML:1.6 0.00020899999999999998 0.8 AML other m 2020-03-24T01:10:40.95
IV.SMA1.EHN. ML:1.5 0.0001265 0.28 AML other m 2020-03-24T01:10:42.77
IV.SMA1.EHE. ML:1.5 0.00012260000000000003 0.52 AML other m 2020-03-24T01:10:46.52
IV.SSFR.HHN. ML:1.7 0.0000777 0.56 AML other m 2020-03-24T01:10:54.57
IV.SSFR.HHE. ML:1.6 0.0000734 0.52 AML other m 2020-03-24T01:11:01.41
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