Earthquake with magnitude of Md 1.6 on date 21-02-2020 and time 03:34:45 (Italy) in region 5 km NW Preci (PG)

A magnitude Md 1.6 earthquake occured in region: 5 km NW Preci (PG), on

  • 21-02-2020 02:34:45 (UTC)
  • 21-02-2020 03:34:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9240, 13.0160 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
Preci PG 5 724 724
Visso MC 6 1107 1831
Monte Cavallo MC 8 145 1976
Sellano PG 8 1079 3055
Ussita MC 10 444 3499
Castelsantangelo sul Nera MC 12 281 3780
Pieve Torina MC 14 1458 5238
Fiordimonte MC 14 202 5440
Cerreto di Spoleto PG 14 1075 6515
Norcia PG 16 4957 11472
Pievebovigliana MC 16 866 12338
Fiastra MC 17 559 12897
Serravalle di Chienti MC 17 1070 13967
Acquacanina MC 18 121 14088
Muccia MC 18 915 15003
Bolognola MC 19 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 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
Md 1.6 2020-02-21
02:34:45
42.9242 13.0163 10 2020-07-18
21:08:34
Bollettino Sismico Italiano INGV 78472301
Reviewed
Rev100
Md 1.8 2020-02-21
02:34:45
42.9253 13.0127 11 2020-02-21
02:41:32
Sala Sismica INGV-Roma 76689221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-21 02:34:45 ± 0.05
Latitude 42.9242 ± 0.0027
Longitude 13.0163 ± 0.0049
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 78472301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 364
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.66010
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 9
Type of magnitude Md
Reference to an origin 76689221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-21 02:41:32

Md:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 9
Type of magnitude Md
Reference to an origin 78472301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-22 13:23:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-02-21T02:35:05.21 0.6 undecidable manual S 355 63.9915 50 0.28 43
IV.MNTT.EHZ. 2020-02-21T02:35:03.39 0.6 undecidable manual S 72 49.4172 50 2.34 13
IV.MURB.HHZ. 2020-02-21T02:35:03.21 0.3 undecidable manual S 314 54.8007 50 0.73 57
IV.TERO.HHZ. 2020-02-21T02:35:03.65 0.3 undecidable manual S 125 58.3971 50 0.21 66
IV.CAMP.HHZ. 2020-02-21T02:35:02.29 0.6 undecidable manual S 143 53.7018 50 0.11 46
IV.CESX.HHZ. 2020-02-21T02:35:01.26 0.3 undecidable manual S 225 49.5171 50 0.19 68
IV.FOSV.EHZ. 2020-02-21T02:35:00.19 0.3 undecidable manual S 333 46.0206 50 0.05 70
IV.RM33.EHZ. 2020-02-21T02:35:00.98 0.3 undecidable manual S 161 48.8178 50 0.1 69
IV.EL6.EHZ. 2020-02-21T02:35:00.02 0.3 undecidable manual S 9 45.5211 50 0.02 71
IV.SMA1.EHZ. 2020-02-21T02:34:59.20 0.6 undecidable manual S 141 41.625 50 0.22 46
IV.ATCC.EHZ. 2020-02-21T02:34:59.22 0.3 undecidable manual S 314 42.0246 50 0.14 70
IV.FIAM.HHZ. 2020-02-21T02:34:58.01 0.1 undecidable manual P 174 73.2711 50 -0.03 89
IV.LNSS.HHZ. 2020-02-21T02:34:57.50 0.6 undecidable manual S 177 35.742 50 0.12 47
IV.MTRA.EHZ. 2020-02-21T02:34:57.40 0.3 undecidable manual S 121 36.0417 50 -0.09 71
IV.SNTG.HHZ. 2020-02-21T02:34:57.60 0.3 undecidable manual S 351 37.2294 50 -0.19 69
IV.GUMA.HHZ. 2020-02-21T02:34:56.31 0.3 undecidable manual S 59 30.1476 50 0.42 67
IV.ARVD.HHZ. 2020-02-21T02:34:56.37 0.1 undecidable manual P 355 63.9915 50 -0.24 87
IV.MNTT.EHZ. 2020-02-21T02:34:55.01 0.1 undecidable manual P 72 49.4172 50 0.64 80
IV.MURB.HHZ. 2020-02-21T02:34:55.17 0.1 undecidable manual P 314 54.8007 50 -0.03 93
IV.GAVE.EHZ. 2020-02-21T02:34:55.16 0.6 undecidable manual S 201 27.5502 50 -0.06 48
IV.TERO.HHZ. 2020-02-21T02:34:55.63 0.1 undecidable manual P 125 58.3971 50 -0.12 90
IV.CAMP.HHZ. 2020-02-21T02:34:54.86 0.1 undecidable manual P 143 53.7018 50 -0.16 90
IV.MMO1.EHZ. 2020-02-21T02:34:54.25 0.3 undecidable manual S 96 25.3524 50 -0.38 68
IV.RM33.EHZ. 2020-02-21T02:34:54.16 0.1 undecidable manual P 161 48.8178 50 -0.12 92
IV.CESX.HHZ. 2020-02-21T02:34:54.19 0.6 positive manual P 225 49.5171 50 -0.19 45
IV.SMA1.EHZ. 2020-02-21T02:34:53.16 0.6 negative manual P 141 41.625 50 -0.01 48
IV.EL6.EHZ. 2020-02-21T02:34:53.55 0.1 positive manual P 9 45.5211 50 -0.21 91
IV.CSP1.EHZ. 2020-02-21T02:34:53.97 0.3 undecidable manual S 39 24.0537 50 -0.32 69
IV.ATCC.EHZ. 2020-02-21T02:34:53.14 0.1 undecidable manual P 314 42.0246 50 -0.1 94
IV.FOSV.EHZ. 2020-02-21T02:34:53.67 0.1 undecidable manual P 333 46.0206 50 -0.18 91
IV.ARRO.EHZ. 2020-02-21T02:34:53.37 0.6 negative manual P 208 43.3233 50 -0.07 47
IV.SNTG.HHZ. 2020-02-21T02:34:52.22 0.1 undecidable manual P 351 37.2294 50 -0.27 91
IV.MOMA.HHZ. 2020-02-21T02:34:52.71 0.6 negative manual P 250 38.628 50 0 48
IV.LNSS.HHZ. 2020-02-21T02:34:52.04 0.1 undecidable manual P 177 35.742 50 -0.21 92
IV.MTRA.EHZ. 2020-02-21T02:34:52.10 0.1 undecidable manual P 121 36.0417 50 -0.21 92
IV.GUMA.HHZ. 2020-02-21T02:34:51.54 0.1 positive manual P 59 30.1476 50 0.15 95
IV.NRCA.HHZ. 2020-02-21T02:34:50.94 0.6 undecidable manual S 142 12.7761 129 -0.04 50
IV.GAVE.EHZ. 2020-02-21T02:34:50.97 0.1 positive manual P 201 27.5502 50 -0.03 97
IV.FDMO.HHZ. 2020-02-21T02:34:50.98 0.1 undecidable manual S 25 13.7751 127 -0.25 95
IV.CSP1.EHZ. 2020-02-21T02:34:50.31 0.1 positive manual P 39 24.0537 50 -0.16 95
IV.MMO1.EHZ. 2020-02-21T02:34:50.51 0.1 undecidable manual P 96 25.3524 50 -0.16 95
IV.FEMA.HNZ. 2020-02-21T02:34:49.47 0.1 undecidable manual S 33 4.995 154 0.22 97
IT.MTCL.HGZ. 2020-02-21T02:34:49.54 0.1 undecidable manual S 350 7.881 143 -0.23 97
IV.CESI.HNZ. 2020-02-21T02:34:48.68 0.1 positive manual P 315 12.7761 129 0.14 98
IV.NRCA.HHZ. 2020-02-21T02:34:48.66 0.1 undecidable manual P 142 12.7761 129 0.1 98
IV.FDMO.HHZ. 2020-02-21T02:34:48.71 0.1 undecidable manual P 25 13.7751 127 0.01 100
IV.FEMA.HNZ. 2020-02-21T02:34:47.86 0.1 negative manual P 33 4.995 154 0.3 96
IT.MTCL.HGZ. 2020-02-21T02:34:47.99 0.1 undecidable manual P 350 7.881 143 0.13 99
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