Earthquake with magnitude of ML 1.1 on date 29-02-2020 and time 19:04:28 (Italy) in region Preci (PG)

A magnitude ML 1.1 earthquake occured in region: Preci (PG), on

  • 29-02-2020 18:04:28 (UTC)
  • 29-02-2020 19:04:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8800, 13.0380 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 0 724 724
Visso MC 7 1107 1831
Sellano PG 9 1079 2910
Castelsantangelo sul Nera MC 10 281 3191
Norcia PG 11 4957 8148
Ussita MC 11 444 8592
Cerreto di Spoleto PG 12 1075 9667
Monte Cavallo MC 13 145 9812
Cascia PG 18 3217 13029
Fiordimonte MC 18 202 13231
Pieve Torina MC 18 1458 14689
Vallo di Nera PG 19 364 15053
Fiastra MC 20 559 15612

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
100 Km W of Montesilvano (53738 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
Reviewed
Rev100
ML 1.1 2020-02-29
18:04:28
42.88 13.0377 10 2020-02-29
18:12:12
Sala Sismica INGV-Roma 76936311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-29 18:04:28 ± 0.05
Latitude 42.8800 ± 0.0027
Longitude 13.0377 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76936311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 338
Semi-minor axis of confidence ellipse (meter) 319
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.42808
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 76936311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-29 18:12:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHE. 2020-02-29T18:04:37.11 0.1 undecidable manual P 231 47.5191 50 0.2 92
IV.MML1.HNZ. 2020-02-29T18:04:37.55 0.3 undecidable manual S 348 26.4513 50 -0.22 71
IV.CSP1.EHZ. 2020-02-29T18:04:37.77 0.3 undecidable manual S 30 27.1506 50 -0.19 71
IV.MMO1.EHZ. 2020-02-29T18:04:36.65 0.3 undecidable manual S 85 23.5542 113 -0.35 69
IV.GAVE.EHZ. 2020-02-29T18:04:36.70 0.3 undecidable manual S 209 23.8539 113 -0.38 69
IV.CESI.HHZ. 2020-02-29T18:04:35.06 0.6 undecidable manual S 322 17.5713 120 -0.06 50
IV.MF5.EHZ. 2020-02-29T18:04:35.57 0.3 undecidable manual P 71 36.3414 50 0.38 67
IV.ARRO.EHE. 2020-02-29T18:04:35.92 0.3 undecidable manual P 214 40.0266 50 0.16 70
IV.MOMA.HHN. 2020-02-29T18:04:35.68 0.1 undecidable manual P 258 38.9277 50 0.08 95
IV.GAVE.EHZ. 2020-02-29T18:04:33.22 0.3 undecidable manual P 209 23.8539 113 -0.05 74
IT.MTCL.HGZ. 2020-02-29T18:04:33.63 0.6 undecidable manual S 346 12.9759 128 -0.18 49
IV.CSP1.EHZ. 2020-02-29T18:04:33.69 0.3 undecidable manual P 30 27.1506 50 -0.08 73
IV.MML1.HNZ. 2020-02-29T18:04:33.41 0.3 undecidable manual P 348 26.4513 50 -0.26 70
IV.MMO1.EHZ. 2020-02-29T18:04:33.12 0.3 undecidable manual P 85 23.5542 113 -0.1 73
IV.MC2.EHZ. 2020-02-29T18:04:33.99 0.3 undecidable manual S 74 12.7761 129 0.24 72
IV.CESI.HHZ. 2020-02-29T18:04:32.17 0.3 undecidable manual P 322 17.5713 120 0.03 75
IV.NRCA.HHZ. 2020-02-29T18:04:32.40 0.3 undecidable manual S 130 8.0808 142 -0.19 74
IV.FEMA.HNZ. 2020-02-29T18:04:32.88 0.3 undecidable manual S 6 9.1797 138 0.05 76
IV.FEMA.HNZ. 2020-02-29T18:04:31.04 0.3 undecidable manual P 6 9.1797 138 0.22 73
IV.MC2.EHZ. 2020-02-29T18:04:31.56 0.3 undecidable manual P 74 12.7761 129 0.21 73
IT.MTCL.HGZ. 2020-02-29T18:04:31.56 0.1 undecidable manual P 346 12.9759 128 0.17 98
IV.NRCA.HHZ. 2020-02-29T18:04:30.78 0.1 negative manual P 130 8.0808 142 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.00032250000000000003 0.1 AML other m 2020-02-29T18:04:32.50
IV.NRCA.HHE. ML:1.2 0.000252 0.08 AML other m 2020-02-29T18:04:33.14
IV.CESI.HHE. ML:0.7 0.00004625 0.42 AML other m 2020-02-29T18:04:35.29
IV.CESI.HHN. ML:0.7 0.000046200000000000005 0.26 AML other m 2020-02-29T18:04:35.30
IV.GAVE.EHE. ML:1.1 0.0000831 0.1 AML other m 2020-02-29T18:04:37.07
IV.GAVE.EHN. ML:1.1 0.00008705 0.98 AML other m 2020-02-29T18:04:37.91
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