Earthquake with magnitude of ML 1.3 on date 02-02-2020 and time 01:40:36 (Italy) in region 4 km E Norcia (PG)

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

  • 02-02-2020 00:40:36 (UTC)
  • 02-02-2020 01:40:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8030, 13.1430 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
Norcia PG 4 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 12 724 5962
Arquata del Tronto AP 13 1178 7140
Cascia PG 14 3217 10357
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 16 523 13098
Cerreto di Spoleto PG 19 1075 14173
Montemonaco AP 19 604 14777
Poggiodomo PG 20 117 14894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km W of Pescara (121014 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km NW of Chieti (51815 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 2020-02-02
00:40:36
42.8028 13.1428 10 2020-02-02
01:04:37
Sala Sismica INGV-Roma 76114031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-02 00:40:36 ± 0.06
Latitude 42.8028 ± 0.0027
Longitude 13.1428 ± 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 76114031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 386
Semi-minor axis of confidence ellipse (meter) 272
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29678
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76114031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-02 01:04:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IOCA.HHZ. 2020-02-02T00:41:44.66 3.0 undecidable manual Sg 1.39 0
IV.PAOL.HHZ. 2020-02-02T00:41:38.94 3.0 undecidable manual Sn -2.64 0
SI.KOSI.HHZ. 2020-02-02T00:41:34.50 3.0 positive manual Pn -3.65 0
IV.MNTV.HNZ. 2020-02-02T00:41:28.56 3.0 undecidable manual Pg 3.73 0
IV.APEC.HHZ. 2020-02-02T00:40:54.86 3.0 undecidable manual P -1.88 0
IV.CIMA.HNZ. 2020-02-02T00:40:51.69 3.0 positive manual P 0.43 0
IV.MF5.EHZ. 2020-02-02T00:40:48.43 0.6 undecidable manual S 51 32.9448 50 0.47 45
IV.CSP1.EHZ. 2020-02-02T00:40:47.51 3.0 undecidable manual S 0
IV.CESI.HHZ. 2020-02-02T00:40:47.01 0.1 undecidable manual S 319 29.6481 50 -0.07 97
IV.LNSS.HHZ. 2020-02-02T00:40:45.53 0.1 undecidable manual S 201 23.6541 113 0.11 98
IV.GAVE.EHN. 2020-02-02T00:40:45.47 0.3 undecidable manual S 239 23.6541 113 0.05 74
IV.FDMO.HHZ. 2020-02-02T00:40:45.99 0.1 undecidable manual S 350 26.3514 50 -0.21 95
IV.SMA1.EHN. 2020-02-02T00:40:45.47 0.1 undecidable manual S 141 24.753 112 -0.28 94
IV.CSP1.EHZ. 2020-02-02T00:40:44.24 3.0 undecidable manual P 0
IV.MF5.EHZ. 2020-02-02T00:40:43.39 0.1 undecidable manual P 51 32.9448 50 0.28 93
IV.MMO1.EHZ. 2020-02-02T00:40:43.50 0.1 undecidable manual S 54 18.3705 119 -0.26 95
IV.CESI.HHZ. 2020-02-02T00:40:42.39 0.6 undecidable manual P 319 29.6481 50 -0.22 47
IV.MC2.EHZ. 2020-02-02T00:40:42.30 0.1 undecidable manual S 17 12.5763 129 0.21 97
IV.FDMO.HHZ. 2020-02-02T00:40:41.91 0.1 undecidable manual P 350 26.3514 50 -0.19 96
IV.SMA1.EHN. 2020-02-02T00:40:41.98 0.6 undecidable manual P 141 24.753 112 0.14 48
IV.LNSS.HHZ. 2020-02-02T00:40:41.60 0.1 undecidable manual P 201 23.6541 113 -0.05 99
IV.GAVE.EHN. 2020-02-02T00:40:41.75 0.3 undecidable manual P 239 23.6541 113 0.11 73
IV.NRCA.HHZ. 2020-02-02T00:40:40.04 0.1 undecidable manual S 326 4.0959 158 -0.22 99
IV.MMO1.EHZ. 2020-02-02T00:40:40.64 0.1 undecidable manual P 54 18.3705 119 -0.05 100
IV.MC2.EHZ. 2020-02-02T00:40:39.98 0.1 undecidable manual P 17 12.5763 129 0.26 96
IV.NRCA.HHZ. 2020-02-02T00:40:38.82 0.1 undecidable manual P 326 4.0959 158 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.0002760112 0.1 AML other m 2020-02-02T00:40:40.56
IV.NRCA.HHN. ML:1.4 0.00041582960000000003 0.16 AML other m 2020-02-02T00:40:40.18
IV.NRCA.HNE. ML:1.4 0.00040758985000000005 0.5 AML other m 2020-02-02T00:40:41.82
IV.NRCA.HNN. ML:1.5 0.00053179945 0.64 AML other m 2020-02-02T00:40:41.51
IV.LNSS.HHE. ML:1.2 0.000102970435 0.12 AML other m 2020-02-02T00:40:46.13
IV.LNSS.HHN. ML:1.2 0.00010188731500000001 0.18 AML other m 2020-02-02T00:40:45.92
IV.LNSS.HNE. ML:1.4 0.00017117285 0.73 AML other m 2020-02-02T00:40:43.79
IV.LNSS.HNN. ML:1.3 0.00013421425 0.7 AML other m 2020-02-02T00:40:46.19
IV.FDMO.HHE. ML:0.2 0.000012160892499999999 3.42 AML other m 2020-02-02T00:40:46.18
IV.FDMO.HHN. ML:0.4 0.000015146785 0.22 AML other m 2020-02-02T00:40:46.22
IV.MF5.EHE. ML:1.2 0.00007285537 4.76 AML other m 2020-02-02T00:40:47.35
IV.MF5.EHN. ML:1.5 0.00013005073 10.8 AML other m 2020-02-02T00:40:54.98
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