Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 27-02-2019 and time 12:55:51 (Italy) in region 2 km E Visso (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km E Visso (MC), on

  • 27-02-2019 11:55:51 (UTC)
  • 27-02-2019 12:55:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9260, 13.1060 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.

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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
Visso MC 2 1107 1107
Ussita MC 4 444 1551
Castelsantangelo sul Nera MC 5 281 1832
Preci PG 8 724 2556
Monte Cavallo MC 11 145 2701
Fiordimonte MC 13 202 2903
Bolognola MC 13 142 3045
Acquacanina MC 13 121 3166
Fiastra MC 13 559 3725
Pieve Torina MC 14 1458 5183
Norcia PG 15 4957 10140
Sellano PG 15 1079 11219
Pievebovigliana MC 15 866 12085
Muccia MC 18 915 13000
Montemonaco AP 18 604 13604
Montefortino FM 19 1178 14782
Cerreto di Spoleto PG 19 1075 15857

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
99 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
Reviewed
Rev100 		ML 1.0 2019-02-27
11:55:51		 42.9257 13.1062 10 2019-02-27
12:02:22		 Sala Sismica INGV-Roma 66018651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-27 11:55:51 ± 0.07
Latitude 42.9257 ± 0.0036
Longitude 13.1062 ± 0.0037
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 66018651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 425
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40380
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 66018651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-27 12:02:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HNZ. 2019-02-27T11:56:09.05 3.0 undecidable manual S -1.91 0
IV.EL6.EHZ. 2019-02-27T11:56:06.30 0.3 undecidable manual S 360 44.8218 50 0.41 65
IV.ASSB.HHZ. 2019-02-27T11:56:04.16 0.3 undecidable manual S 290 38.5281 50 -0.07 71
IV.MF5.EHZ. 2019-02-27T11:56:02.29 0.3 undecidable manual S 76 29.5482 50 0.47 66
IV.MML1.HNZ. 2019-02-27T11:56:00.09 0.3 undecidable manual S 332 23.5542 113 0.04 73
IV.GUMA.HHZ. 2019-02-27T11:56:00.48 0.3 undecidable manual S 51 24.0537 112 0.28 70
IV.EL6.EHZ. 2019-02-27T11:55:59.43 0.1 undecidable manual P 360 44.8218 50 -0.25 90
IV.PF6.EHZ. 2019-02-27T11:55:59.80 0.6 undecidable manual S 17 24.6531 112 -0.59 43
IV.MMO1.EHZ. 2019-02-27T11:55:58.07 0.3 undecidable manual S 99 18.1707 118 -0.29 70
IV.ASSB.HHZ. 2019-02-27T11:55:58.43 0.1 undecidable manual P 290 38.5281 50 -0.29 91
IV.CESI.HHZ. 2019-02-27T11:55:58.77 0.3 undecidable manual S 298 18.5703 118 0.28 71
IV.CSP1.EHZ. 2019-02-27T11:55:58.64 3.0 undecidable manual S -0.24 0
IV.MF5.EHZ. 2019-02-27T11:55:57.34 0.1 undecidable manual P 76 29.5482 50 0.01 98
IV.FDMO.HHZ. 2019-02-27T11:55:56.67 0.3 undecidable manual S 353 12.3765 128 -0.01 75
IV.GUMA.HHZ. 2019-02-27T11:55:56.43 0.1 undecidable manual P 51 24.0537 112 0.03 98
IV.MML1.HNZ. 2019-02-27T11:55:56.16 0.3 undecidable manual P 332 23.5542 113 -0.15 72
IV.NRCA.HHZ. 2019-02-27T11:55:56.10 0.3 undecidable manual S 176 10.1787 134 -0.02 76
IV.PF6.EHZ. 2019-02-27T11:55:56.12 0.1 undecidable manual P 17 24.6531 112 -0.39 91
IT.MTCL.HGZ. 2019-02-27T11:55:56.58 0.3 undecidable manual S 311 11.4774 130 0.13 74
IV.CESI.HHZ. 2019-02-27T11:55:55.48 0.1 undecidable manual P 298 18.5703 118 0.07 98
IV.MC2.EHZ. 2019-02-27T11:55:55.55 0.3 undecidable manual S 103 6.8931 145 0.19 73
IV.MMO1.EHZ. 2019-02-27T11:55:55.13 0.1 undecidable manual P 99 18.1707 118 -0.21 96
IV.NRCA.HHZ. 2019-02-27T11:55:54.09 0.1 undecidable manual P 176 10.1787 134 0.05 100
IT.MTCL.HGZ. 2019-02-27T11:55:54.32 0.1 undecidable manual P 311 11.4774 130 0.09 99
IV.FDMO.HHZ. 2019-02-27T11:55:54.44 0.1 undecidable manual P 353 12.3765 128 0.07 99
IV.MC2.EHZ. 2019-02-27T11:55:53.75 0.1 undecidable manual P 103 6.8931 145 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.0 0.00008515000000000001 1.84 AML other m 2019-02-27T11:55:58.03
IV.FDMO.HHE. ML:0.8 0.0000678 0.22 AML other m 2019-02-27T11:55:56.80
IV.FDMO.HHN. ML:0.9 0.00008365 0.34 AML other m 2019-02-27T11:55:56.80
IV.NRCA.HHN. ML:1.2 0.000222 0.12 AML other m 2019-02-27T11:55:57.15
IV.CESI.HHE. ML:0.9 0.00006654999999999999 1.08 AML other m 2019-02-27T11:55:59.79
IV.ASSB.HHE. ML:0.7 0.00001948096 0.0256 AML other m 2019-02-27T11:56:04.70
IV.ASSB.HHN. ML:0.7 0.000021138595 0.8 AML other m 2019-02-27T11:56:04.83
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