Earthquake with magnitude of ML 0.2 on date 02-09-2019 and time 07:52:47 (UTC) in region 4 km NW Norcia (PG)

A magnitude ML 0.2 earthquake occured in region: 4 km NW Norcia (PG), on

  • 02-09-2019 07:52:47 (UTC)
  • 02-09-2019 09:52:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.82, 13.07 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 7 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Cerreto di Spoleto PG 12 1075 10254
Visso MC 13 1107 11361
Sellano PG 14 1079 12440
Ussita MC 15 444 12884
Poggiodomo PG 16 117 13001
Vallo di Nera PG 18 364 13365
Arquata del Tronto AP 19 1178 14543

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
98 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
Rev 1000 ML 0.2 2019-09-02
07:52:47
42.82 13.07 9 2020-02-28
16:42:09
Bollettino Sismico Italiano INGV 74000131
Rev 100 ML 0.2 2019-09-02
07:52:48
42.82 13.04 7 2019-09-02
08:02:49
Sala Sismica INGV-Roma 72040231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-02 07:52:47 ± 0.08
Latitude 42.82 ± 0.00
Longitude 13.07 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74000131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 795
Semi-minor axis of confidence ellipse (meter) 229
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 98
Circular confidence region, given by single value of horizontal uncertainty (meter) 790
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.21764
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 74000131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-24 18:12:16

ML:0.2

Field Value
Value 0.2
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 72040231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-02 08:02:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2019-09-02T07:54:26.93 3.0 undecidable manual Sn 6.76 0
CR.STON.BHZ. 2019-09-02T07:54:16.96 3.0 undecidable manual Sn 7.63 0
IV.IST3.HHZ. 2019-09-02T07:54:07.76 3.0 undecidable manual Sn -1.37 0
IV.FERS.HNZ. 2019-09-02T07:54:04.87 3.0 undecidable manual Sn 3.73 0
SI.MOSI.HHZ. 2019-09-02T07:54:03.02 3.0 negative manual Pg 15.59 0
IV.CET2.HHZ. 2019-09-02T07:54:01.28 3.0 undecidable manual Sn -0.7 0
SI.KOSI.HHZ. 2019-09-02T07:53:50.70 3.0 negative manual Pg 7.85 0
IV.BDI.HHZ. 2019-09-02T07:53:49.99 3.0 undecidable manual Sn -2.23 0
IV.EUCT.HNZ. 2019-09-02T07:53:45.97 3.0 undecidable manual Pn 7.69 0
IV.IST3.HHZ. 2019-09-02T07:53:31.55 3.0 negative manual Pg 4.99 0
IV.ARVD.HHZ. 2019-09-02T07:53:21.16 3.0 undecidable manual S -0.57 0
IV.RSM2.HHZ. 2019-09-02T07:53:12.64 3.0 undecidable manual Pg 5.94 0
IT.ORP.HGZ. 2019-09-02T07:53:03.47 3.0 undecidable manual Pn 1.34 0
IV.LNSS.HHE. 2019-09-02T07:52:56.95 0.3 undecidable manual S 186 0.2167 110 0.07 72
IV.FDMO.HHZ. 2019-09-02T07:52:56.94 0.1 undecidable manual S 3 0.2176 110 0.05 97
IV.FDMO.HHZ. 2019-09-02T07:52:53.05 0.3 undecidable manual P 3 0.2176 110 -0.07 72
IV.MC2.EHZ. 2019-09-02T07:52:53.84 0.6 undecidable manual S 43 0.1268 122 0.09 49
IV.LNSS.HHE. 2019-09-02T07:52:53.04 0.3 undecidable manual P 186 0.2167 110 -0.07 72
IV.NRCA.HHZ. 2019-09-02T07:52:51.26 0.1 undecidable manual S 66 0.036 156 -0.07 100
IV.MC2.EHZ. 2019-09-02T07:52:51.24 0.3 undecidable manual P 43 0.1268 122 -0.07 74
IV.NRCA.HHZ. 2019-09-02T07:52:50.03 0.3 undecidable manual P 66 0.036 156 0.12 74
IT.VNF1.HGZ. 2019-09-02T07:52:48.15 3.0 positive manual P -0.49 0
IV.VIVA.HHZ. 2019-09-02T07:52:39.57 3.0 positive manual P 0.51 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VIVA.HHN. ML:2.6 0.00030380985 0.256 AML other m 2019-09-02T07:52:42.54
IV.VIVA.HHE. ML:2.7 0.0003794171 0.2432 AML other m 2019-09-02T07:52:49.70
IV.NRCA.HNE. ML:0 0.000146043335 1.3088 AML other m 2019-09-02T07:52:49.22
IV.NRCA.HNN. ML:0 0.0002186182 0.1536 AML other m 2019-09-02T07:52:51.45
IV.NRCA.HHN. ML:0 0.00025079645 0.1408 AML other m 2019-09-02T07:52:51.38
IV.NRCA.HHE. ML:0 0.000154451 0.0832 AML other m 2019-09-02T07:52:52.41
IV.FDMO.HHN. ML:0.2 8.2664515E-6 0.16 AML other m 2019-09-02T07:52:57.35
IV.FDMO.HHE. ML:0.2 8.216559E-6 0.16 AML other m 2019-09-02T07:52:58.89
IV.RSM2.HHN. ML:2.2 0.00011000932 0.1792 AML other m 2019-09-02T07:53:23.52
IV.RSM2.HHE. ML:1.7 3.2096555E-5 0.0576 AML other m 2019-09-02T07:54:09.16
IV.IST3.HHE. ML:5 0.0029505635 0.8576 AML other m 2019-09-02T07:54:09.26
IV.IST3.HHN. ML:5.2 0.0049138845 1.52 AML other m 2019-09-02T07:54:10.01
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