Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 28-02-2019 and time 01:16:23 (Italy) in region 3 km SE Gualdo Tadino (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km SE Gualdo Tadino (PG), on

  • 28-02-2019 00:16:23 (UTC)
  • 28-02-2019 01:16:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2090, 12.8130 at 11 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.

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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
Gualdo Tadino PG 3 15208 15208
Fiuminata MC 10 1402 16610
Fossato di Vico PG 11 2840 19450
Nocera Umbra PG 11 5839 25289
Esanatoglia MC 12 2034 27323
Sefro MC 13 422 27745
Pioraco MC 14 1134 28879
Sigillo PG 15 2404 31283
Fabriano AN 16 31480 62763
Matelica MC 17 9981 72744
Valtopina PG 17 1398 74142
Valfabbrica PG 18 3389 77531
Costacciaro PG 19 1216 78747
Cerreto d'Esi AN 19 3817 82564
Serravalle di Chienti MC 19 1070 83634
Castelraimondo MC 20 4587 88221

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
73 Km S of Fano (60888 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
73 Km N of Terni (111501 inhabitants)
79 Km S of Pesaro (94582 inhabitants)
81 Km E of Arezzo (99543 inhabitants)
95 Km NW of Teramo (54892 inhabitants)
97 Km S of Rimini (147750 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 0.7 2019-02-28
00:16:23		 43.2087 12.8133 11 2019-02-28
00:22:53		 Sala Sismica INGV-Roma 66033311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-28 00:16:23 ± 0.03
Latitude 43.2087 ± 0.0018
Longitude 12.8133 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 66033311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 239
Semi-minor axis of confidence ellipse (meter) 221
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 66033311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-28 00:22:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-02-28T00:16:34.57 0.6 undecidable manual S 18 33.744 50 0.02 48
IV.MC2.EHZ. 2019-02-28T00:16:32.34 3.0 undecidable manual P 0.21 0
IV.EL6.EHZ. 2019-02-28T00:16:32.83 0.6 undecidable manual S 60 26.8509 50 0.12 48
IV.CESI.HHE. 2019-02-28T00:16:31.86 0.6 undecidable manual S 162 23.754 50 -0.03 49
IV.ASSB.HHZ. 2019-02-28T00:16:31.27 0.6 undecidable manual S 214 22.2555 50 -0.22 47
IV.MML1.EHE. 2019-02-28T00:16:29.83 0.6 undecidable manual S 129 16.5723 123 -0.12 49
IV.ATCC.EHZ. 2019-02-28T00:16:29.49 0.6 undecidable manual S 260 14.2746 127 0.2 48
IV.ARVD.HHZ. 2019-02-28T00:16:29.48 1.0 undecidable manual P 18 33.744 50 -0.21 23
IV.ASSB.HHZ. 2019-02-28T00:16:28.00 0.6 undecidable manual P 214 22.2555 50 0.08 49
IV.SNTG.HHZ. 2019-02-28T00:16:28.53 0.6 undecidable manual S 63 11.4774 134 -0.03 50
IV.EL6.EHZ. 2019-02-28T00:16:28.67 0.6 negative manual P 60 26.8509 50 0.04 49
IV.CESI.HHE. 2019-02-28T00:16:28.18 0.1 undecidable manual P 162 23.754 50 0.02 98
IV.FOSV.EHZ. 2019-02-28T00:16:28.10 0.6 undecidable manual S 336 10.4784 136 -0.2 48
IV.MML1.EHE. 2019-02-28T00:16:27.04 0.1 undecidable manual P 129 16.5723 123 0 100
IV.FOSV.EHZ. 2019-02-28T00:16:26.00 0.1 undecidable manual P 336 10.4784 136 -0.09 99
IV.SNTG.HHZ. 2019-02-28T00:16:26.35 0.1 undecidable manual P 63 11.4774 134 0.12 99
IV.ATCC.EHZ. 2019-02-28T00:16:26.81 0.6 undecidable manual P 260 14.2746 127 0.15 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:0.5 0.000032550000000000005 0.62 AML other m 2019-02-28T00:16:28.54
IV.SNTG.HHE. ML:0.4 0.000024399999999999997 0.86 AML other m 2019-02-28T00:16:28.60
IV.EL6.EHN. ML:0.8 0.000034005 0.54 AML other m 2019-02-28T00:16:34.49
IV.EL6.EHE. ML:0.9 0.00004625 0.42 AML other m 2019-02-28T00:16:36.02
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