Earthquake with magnitude of ML 0.9 on date 08-09-2019 and time 12:50:14 (Italy) in region 8 km E Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 8 km E Norcia (PG), on

  • 08-09-2019 10:50:14 (UTC)
  • 08-09-2019 12:50:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7940, 13.1890 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 8 4957 4957
Arquata del Tronto AP 9 1178 6135
Castelsantangelo sul Nera MC 12 281 6416
Accumoli RI 12 667 7083
Montegallo AP 13 523 7606
Preci PG 15 724 8330
Montemonaco AP 16 604 8934
Cascia PG 17 3217 12151
Ussita MC 17 444 12595
Visso MC 17 1107 13702
Acquasanta Terme AP 18 2916 16618
Cittareale RI 20 482 17100
Amatrice RI 20 2657 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
98 Km E of Viterbo (67173 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 0.9 2019-09-08
10:50:14
42.7943 13.189 11 2019-09-08
10:55:13
Sala Sismica INGV-Roma 72223581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-08 10:50:14 ± 0.09
Latitude 42.7943 ± 0.0036
Longitude 13.1890 ± 0.0086
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72223581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 627
Semi-minor axis of confidence ellipse (meter) 483
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 72223581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-08 10:55:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-09-08T10:50:25.71 0.3 undecidable manual S 2 33.0447 50 0.12 70
IV.FDMO.HHZ. 2019-09-08T10:50:24.02 0.1 undecidable manual S 343 28.0497 50 -0.25 94
IV.SMA1.EHZ. 2019-09-08T10:50:22.41 0.1 undecidable manual S 147 21.7671 50 -0.17 96
IV.MC2.EHZ. 2019-09-08T10:50:20.38 0.1 undecidable manual S 0 12.9759 130 0.21 97
IV.CSP1.EHZ. 2019-09-08T10:50:20.72 0.1 undecidable manual P 2 33.0447 50 -0.09 95
IV.GAVE.EHZ. 2019-09-08T10:50:20.08 0.3 undecidable manual P 245 26.5512 50 0.26 68
IV.SMA1.EHZ. 2019-09-08T10:50:19.03 0.1 undecidable manual P 147 21.7671 50 -0.04 98
IV.FDMO.HHZ. 2019-09-08T10:50:19.89 0.1 undecidable manual P 343 28.0497 50 -0.16 95
IV.NRCA.HHZ. 2019-09-08T10:50:18.68 0.1 undecidable manual S 306 7.4814 146 -0.19 97
IV.MC2.EHZ. 2019-09-08T10:50:17.78 0.1 undecidable manual P 0 12.9759 130 0.1 98
IV.NRCA.HHZ. 2019-09-08T10:50:16.99 0.1 undecidable manual P 306 7.4814 146 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.00014250000000000002 0.16 AML other m 2019-09-08T10:50:19.18
IV.NRCA.HHN. ML:1.0 0.000149 0.36 AML other m 2019-09-08T10:50:19.40
IV.FDMO.HHE. ML:0.6 0.000021150000000000002 1.52 AML other m 2019-09-08T10:50:20.83
IV.FDMO.HHN. ML:0.8 0.00002765 0.32 AML other m 2019-09-08T10:50:24.43
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download