Earthquake with magnitude of ML 1.2 on date 14-08-2020 and time 06:20:51 (Italy) in region 5 km S Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km S Norcia (PG), on

  • 14-08-2020 04:20:51 (UTC)
  • 14-08-2020 06:20:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.75, 13.11 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.

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 5 4957 4957
Cascia PG 9 3217 8174
Accumoli RI 13 667 8841
Poggiodomo PG 15 117 8958
Preci PG 15 724 9682
Cittareale RI 16 482 10164
Arquata del Tronto AP 16 1178 11342
Castelsantangelo sul Nera MC 16 281 11623
Monteleone di Spoleto PG 17 599 12222
Cerreto di Spoleto PG 17 1075 13297
Visso MC 20 1107 14404

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SE of Foligno (57155 inhabitants)
43 Km E of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km W 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 1.2 2020-08-14
04:20:51
42.75 13.11 11 2020-08-14
21:28:19
Sala Sismica INGV-Roma 81987191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-14 04:20:51 ± 0.05
Latitude 42.75 ± 0.00
Longitude 13.11 ± 0.00
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 81987191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 376
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 380
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 29
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
Epicentral distance of station farthest from the epicenter (degree) 0.55128
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 81987191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-14 21:28:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IMI.HHZ. 2020-08-14T04:22:41.94 3.0 undecidable manual Sn 0.45 0
IV.ZONE.HHZ. 2020-08-14T04:22:35.02 3.0 undecidable manual Sn 0.37 0
IV.SCIAC.HHZ. 2020-08-14T04:22:23.16 3.0 negative manual Pg 12.83 0
IV.SGO.HHZ. 2020-08-14T04:22:12.68 3.0 undecidable manual Sg 1.88 0
IV.CMPR.HHZ. 2020-08-14T04:22:11.75 3.0 undecidable manual Sn -3.87 0
XK.SELL.HHZ. 2020-08-14T04:22:04.35 3.0 undecidable manual Pn 2.48 0
CR.ZAG.BHZ. 2020-08-14T04:21:50.56 3.0 undecidable manual Pn 1.07 0
IV.FIR.HHZ. 2020-08-14T04:21:43.16 3.0 undecidable manual Sn -2.58 0
IX.MNT3.HHZ.02 2020-08-14T04:21:29.86 3.0 negative manual Pn -1.36 0
IV.PARC.HHZ. 2020-08-14T04:21:14.52 3.0 positive manual P 0.67 0
IV.PE3.EHZ. 2020-08-14T04:21:09.42 3.0 negative manual P -3.5 0
IV.MOMA.HHZ. 2020-08-14T04:21:06.23 0.3 undecidable manual S 278 0.3984 50 0.4 65
IV.MF5.EHZ. 2020-08-14T04:21:05.05 0.3 undecidable manual S 47 0.348 50 0.7 60
IV.TERO.HHZ. 2020-08-14T04:21:05.24 0.6 undecidable manual S 109 0.3858 50 -0.23 45
IV.FRON.EHZ. 2020-08-14T04:21:04.28 3.0 undecidable manual P -4.39 0
IV.ARRO.EHZ. 2020-08-14T04:21:02.75 0.3 undecidable manual S 236 0.3058 50 -0.34 67
IV.ATCC.EHZ. 2020-08-14T04:21:02.77 1.0 negative manual P 322 0.5513 50 0.37 21
IV.FDMO.HHZ. 2020-08-14T04:21:02.13 0.3 undecidable manual S 357 0.2842 50 -0.32 68
IT.MTCL.HGZ. 2020-08-14T04:21:01.32 0.6 undecidable manual S 342 0.2545 50 -0.24 46
IV.RM33.EHZ. 2020-08-14T04:21:01.51 0.6 undecidable manual S 162 0.2554 50 -0.09 48
IV.MMO1.EHZ. 2020-08-14T04:21:00.28 0.6 undecidable manual S 47 0.2167 50 -0.17 47
IV.MOMA.HHZ. 2020-08-14T04:21:00.26 0.3 negative manual P 278 0.3984 50 0.49 64
IV.MC2.EHZ. 2020-08-14T04:20:59.10 0.6 undecidable manual S 20 0.1691 120 0.09 49
IV.MF5.EHZ. 2020-08-14T04:20:59.19 1.0 undecidable manual P 47 0.348 50 0.28 23
IV.T1299.HNZ. 2020-08-14T04:20:59.31 0.6 undecidable manual S 133 0.1736 119 0.15 48
IV.GAVE.EHZ. 2020-08-14T04:20:59.14 0.6 undecidable manual S 249 0.1691 120 0.15 48
IV.TERO.HHZ. 2020-08-14T04:20:59.48 0.3 undecidable manual P 109 0.3858 50 -0.08 70
IV.ARRO.EHZ. 2020-08-14T04:20:58.11 0.6 negative manual P 236 0.3058 50 -0.08 47
IV.LNSS.HHZ. 2020-08-14T04:20:58.28 0.6 undecidable manual S 199 0.1583 122 -0.35 46
IV.FDMO.HHZ. 2020-08-14T04:20:57.58 0.3 positive manual P 357 0.2842 50 -0.24 69
IT.MTCL.HGZ. 2020-08-14T04:20:57.33 0.1 undecidable manual P 342 0.2545 50 0.03 97
IV.RM33.EHZ. 2020-08-14T04:20:57.11 0.6 negative manual P 162 0.2554 50 -0.22 47
IV.T1299.HNZ. 2020-08-14T04:20:56.12 0.1 undecidable manual P 133 0.1736 119 0.2 95
IV.MTRA.EHZ. 2020-08-14T04:20:56.69 0.3 undecidable manual P 89 0.2113 50 0.12 72
IV.MMO1.EHZ. 2020-08-14T04:20:56.42 0.3 positive manual P 47 0.2167 50 -0.25 70
IV.SMA1.EHZ. 2020-08-14T04:20:56.51 1.0 undecidable manual P 126 0.2059 50 0.02 24
IV.GAVE.EHZ. 2020-08-14T04:20:55.83 0.3 negative manual P 249 0.1691 120 0.01 74
IV.NRCA.HNZ. 2020-08-14T04:20:55.96 0.6 undecidable manual S 3 0.0809 140 -0.4 46
IV.MC2.EHZ. 2020-08-14T04:20:55.77 0.1 undecidable manual P 20 0.1691 120 -0.06 98
IV.LNSS.HHZ. 2020-08-14T04:20:55.70 0.3 positive manual P 199 0.1583 122 0.09 73
IV.NRCA.HNZ. 2020-08-14T04:20:54.34 0.1 positive manual P 3 0.0809 140 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2 0.00126 0.16 AML other m 2020-08-14T04:20:56.27
IV.NRCA.HHN. ML:1.6 0.000545 0.08 AML other m 2020-08-14T04:20:57.29
IV.GAVE.HNN. ML:1.5 0.000234 0.9 AML other m 2020-08-14T04:20:59.56
IV.GAVE.EHE. ML:1.7 0.000384 0.28 AML other m 2020-08-14T04:20:59.39
IV.GAVE.HNE. ML:1.7 0.0003985 0.28 AML other m 2020-08-14T04:20:59.39
IV.GAVE.EHN. ML:1.8 0.0004695 0.12 AML other m 2020-08-14T04:20:59.50
IV.LNSS.HHN. ML:1.6 0.000335 0.72 AML other m 2020-08-14T04:20:59.53
IV.LNSS.HHE. ML:1.5 0.000287 1.02 AML other m 2020-08-14T04:20:59.18
IV.RM33.EHN. ML:1.1 6.415E-5 1.84 AML other m 2020-08-14T04:21:02.93
IV.FDMO.HHN. ML:1.1 5.895E-5 0.96 AML other m 2020-08-14T04:21:02.34
IV.FDMO.HHE. ML:1.1 5.755E-5 0.76 AML other m 2020-08-14T04:21:02.36
IV.SMA1.EHN. ML:1 6.985E-5 0.5 AML other m 2020-08-14T04:21:02.61
IV.RM33.EHE. ML:1 4.6E-5 0.52 AML other m 2020-08-14T04:21:03.51
IV.ARRO.EHE. ML:1 4.54E-5 1.58 AML other m 2020-08-14T04:21:04.16
IV.ARRO.EHN. ML:1 4.645E-5 0.24 AML other m 2020-08-14T04:21:04.97
IV.TERO.HHN. ML:1.1 3.82E-5 0.06 AML other m 2020-08-14T04:21:06.04
IV.TERO.HHE. ML:0.9 2.46E-5 0.58 AML other m 2020-08-14T04:21:06.33
IV.MOMA.HHE. ML:1.3 5.725E-5 0.16 AML other m 2020-08-14T04:21:08.08
IV.MOMA.HHN. ML:1.1 3.365E-5 0.2 AML other m 2020-08-14T04:21:08.70
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download