Earthquake with magnitude of ML 1.3 on date 27-02-2020 and time 06:51:59 (Italy) in region 4 km N Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km N Norcia (PG), on

  • 27-02-2020 05:51:59 (UTC)
  • 27-02-2020 06:51:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8300, 13.1080 at 9 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
Norcia PG 4 4957 4957
Preci PG 8 724 5681
Castelsantangelo sul Nera MC 8 281 5962
Visso MC 11 1107 7069
Ussita MC 13 444 7513
Cascia PG 15 3217 10730
Cerreto di Spoleto PG 16 1075 11805
Sellano PG 16 1079 12884
Arquata del Tronto AP 17 1178 14062
Montegallo AP 19 523 14585
Accumoli RI 19 667 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km W of Pescara (121014 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
Reviewed
Rev100
ML 1.3 2020-02-27
05:51:59
42.8297 13.108 9 2020-02-27
06:16:41
Sala Sismica INGV-Roma 76860951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-27 05:51:59 ± 0.05
Latitude 42.8297 ± 0.0018
Longitude 13.1080 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76860951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 288
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49912
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 76860951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-27 06:16:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-02-27T05:52:24.40 3.0 undecidable manual S 0.27 0
IV.EL6.EHZ. 2020-02-27T05:52:18.21 1.0 undecidable manual S 359 55.4001 50 0.59 20
IV.RM33.EHZ. 2020-02-27T05:52:12.77 0.1 undecidable manual S 166 36.6411 50 0.17 92
IV.CSP1.EHZ. 2020-02-27T05:52:10.59 0.1 undecidable manual S 15 30.1476 50 -0.28 91
IV.EL6.EHZ. 2020-02-27T05:52:10.05 0.3 negative manual P 359 55.4001 50 -0.12 68
IV.LNSS.HHZ. 2020-02-27T05:52:09.22 0.1 undecidable manual S 192 25.752 110 -0.26 92
IV.CESI.HHZ. 2020-02-27T05:52:09.35 0.1 undecidable manual S 320 25.5522 110 -0.05 96
IV.MTRA.EHZ. 2020-02-27T05:52:09.11 0.1 undecidable manual S 109 24.8529 111 -0.07 96
IV.FDMO.HHZ. 2020-02-27T05:52:08.52 0.1 undecidable manual S 356 23.0547 112 -0.07 97
IV.GAVE.EHZ. 2020-02-27T05:52:08.72 0.1 undecidable manual S 229 23.1546 112 0.09 96
IV.MMO1.EHZ. 2020-02-27T05:52:07.28 0.1 undecidable manual S 66 19.3695 116 -0.17 95
IV.RM33.EHZ. 2020-02-27T05:52:07.45 0.6 positive manual P 166 36.6411 50 0.19 46
IV.MF5.EHZ. 2020-02-27T05:52:07.04 0.6 undecidable manual P 58 33.5442 50 0.25 46
IV.SMA1.EHZ. 2020-02-27T05:52:06.12 1.0 positive manual P 140 28.8489 108 0.07 24
IV.CSP1.EHZ. 2020-02-27T05:52:06.14 1.0 negative manual P 15 30.1476 50 -0.12 24
IV.GAVE.EHZ. 2020-02-27T05:52:05.04 0.6 negative manual P 229 23.1546 112 0.06 48
IV.MTRA.EHZ. 2020-02-27T05:52:05.12 0.6 negative manual P 109 24.8529 111 -0.17 47
IV.LNSS.HHZ. 2020-02-27T05:52:05.27 0.6 positive manual P 192 25.752 110 -0.19 47
IV.CESI.HHZ. 2020-02-27T05:52:05.45 1.0 negative manual P 320 25.5522 110 0.03 24
IV.MC2.EHZ. 2020-02-27T05:52:05.28 0.1 undecidable manual S 36 11.1777 130 0.25 95
IV.FDMO.HHZ. 2020-02-27T05:52:04.83 0.1 undecidable manual P 356 23.0547 112 -0.12 96
IV.MMO1.EHZ. 2020-02-27T05:52:04.26 0.1 negative manual P 66 19.3695 116 -0.03 98
IV.MC2.EHZ. 2020-02-27T05:52:03.25 0.1 negative manual P 36 11.1777 130 0.35 93
IV.NRCA.HNZ. 2020-02-27T05:52:03.13 0.1 undecidable manual S 49 0.6993 176 -0.09 100
IV.NRCA.HNZ. 2020-02-27T05:52:02.10 0.3 negative manual P 49 0.6993 176 0.25 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.2 0.00008219999999999999 1.56 AML other m 2020-02-27T05:52:06.94
IV.GAVE.EHE. ML:1.6 0.00023 0.44 AML other m 2020-02-27T05:52:08.98
IV.FDMO.HHN. ML:1.0 0.00007115 0.4 AML other m 2020-02-27T05:52:08.56
IV.GAVE.EHN. ML:1.5 0.000202 1.04 AML other m 2020-02-27T05:52:08.89
IV.FDMO.HHE. ML:1.2 0.00011115 0.78 AML other m 2020-02-27T05:52:08.57
IV.CESI.HHN. ML:1.4 0.0001291 0.72 AML other m 2020-02-27T05:52:09.68
IV.SMA1.EHE. ML:1.2 0.00007955000000000001 0.46 AML other m 2020-02-27T05:52:10.29
IV.CESI.HHE. ML:1.2 0.00009765 1.46 AML other m 2020-02-27T05:52:11.08
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download