Earthquake with magnitude of ML 0.7 on date 01-09-2019 and time 07:19:36 (Italy) in region 3 km NW Norcia (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km NW Norcia (PG), on

  • 01-09-2019 05:19:36 (UTC)
  • 01-09-2019 07:19:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.81, 13.08 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 3 4957 4957
Preci PG 8 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 13 1107 10286
Cerreto di Spoleto PG 13 1075 11361
Sellano PG 15 1079 12440
Ussita MC 15 444 12884
Poggiodomo PG 16 117 13001
Arquata del Tronto AP 18 1178 14179
Vallo di Nera PG 19 364 14543
Accumoli RI 19 667 15210

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.7 2019-09-01
05:19:36
42.81 13.08 10 2019-09-01
05:23:25
Sala Sismica INGV-Roma 71999021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-01 05:19:36 ± 0.06
Latitude 42.81 ± 0.00
Longitude 13.08 ± 0.01
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 71999021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 663
Semi-minor axis of confidence ellipse (meter) 125
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 660
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.32645
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 71999021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-01 05:23:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MF5.EHZ. 2019-09-01T05:19:49.15 0.6 undecidable manual S 58 0.3265 50 -0.1 48
IV.CSP1.EHZ. 2019-09-01T05:19:48.14 0.6 undecidable manual S 18 0.2914 50 -0.07 49
IV.MURB.HHZ. 2019-09-01T05:19:47.26 3.0 undecidable manual P -2.34 0
IV.EL6.EHZ. 2019-09-01T05:19:47.27 3.0 negative manual P -0.42 0
IV.FDMO.HHZ. 2019-09-01T05:19:45.99 0.6 undecidable manual S 1 0.2221 112 -0.02 50
IV.TERO.HHZ. 2019-09-01T05:19:45.57 3.0 undecidable manual P -0.16 0
IV.LNSS.HHZ. 2019-09-01T05:19:45.62 0.6 undecidable manual S 188 0.2131 112 -0.08 49
IV.MF5.EHZ. 2019-09-01T05:19:44.25 0.6 undecidable manual P 58 0.3265 50 0.25 46
IV.CSP1.EHZ. 2019-09-01T05:19:43.28 1.0 negative manual P 18 0.2914 50 -0.12 24
IV.RM33.EHZ. 2019-09-01T05:19:43.55 3.0 undecidable manual P -0.34 0
IV.MC2.EHZ. 2019-09-01T05:19:42.59 0.6 undecidable manual S 39 0.125 125 -0.1 50
IV.FDMO.HHZ. 2019-09-01T05:19:42.15 0.6 positive manual P 1 0.2221 112 0.03 50
IV.MTRA.EHZ. 2019-09-01T05:19:42.02 3.0 positive manual P -0.12 0
IV.SMA1.EHZ. 2019-09-01T05:19:42.64 3.0 undecidable manual P -0.04 0
IV.LNSS.HHZ. 2019-09-01T05:19:41.95 0.1 undecidable manual P 188 0.2131 112 0 100
IV.MC2.EHZ. 2019-09-01T05:19:40.35 0.6 negative manual P 39 0.125 125 0.14 49
IV.NRCA.HHZ. 2019-09-01T05:19:37.90 3.0 negative manual P -0.92 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:0.6 2.625E-5 0.66 AML other m 2019-09-01T05:19:45.99
IV.MTRA.EHN. ML:0.8 3.405E-5 0.22 AML other m 2019-09-01T05:19:46.17
IV.FDMO.HHN. ML:0.7 3.025E-5 0.28 AML other m 2019-09-01T05:19:46.27
IV.FDMO.HHE. ML:0.7 3.21E-5 0.16 AML other m 2019-09-01T05:19:46.28
IV.LNSS.HHE. ML:0.9 4.705E-5 0.1 AML other m 2019-09-01T05:19:46.67
IV.LNSS.HHN. ML:0.9 4.62E-5 0.72 AML other m 2019-09-01T05:19:46.37
IV.SMA1.EHE. ML:0.7 2.72E-5 0.72 AML other m 2019-09-01T05:19:47.40
IV.SMA1.EHN. ML:0.7 2.57E-5 0.2 AML other m 2019-09-01T05:19:47.48
IV.RM33.EHE. ML:0.6 1.745E-5 1.58 AML other m 2019-09-01T05:19:49.82
IV.RM33.EHN. ML:0.7 1.98E-5 0.38 AML other m 2019-09-01T05:19:49.72
IV.TERO.HHN. ML:0.7 1.485E-5 1.24 AML other m 2019-09-01T05:19:51.80
IV.TERO.HHE. ML:0.7 1.27E-5 1.18 AML other m 2019-09-01T05:19:54.71
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