Earthquake with magnitude of ML 0.9 on date 31-05-2019 and time 09:48:39 (Italy) in region 3 km NW Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km NW Norcia (PG), on

  • 31-05-2019 07:48:39 (UTC)
  • 31-05-2019 09:48:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8210, 13.0750 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 4 4957 4957
Preci PG 7 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Visso MC 12 1107 7069
Cascia PG 12 3217 10286
Cerreto di Spoleto PG 13 1075 11361
Sellano PG 14 1079 12440
Ussita MC 15 444 12884
Poggiodomo PG 17 117 13001
Vallo di Nera PG 18 364 13365
Arquata del Tronto AP 19 1178 14543
Accumoli RI 20 667 15210

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 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)
94 Km W of Montesilvano (53738 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 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
Reviewed
Rev100
ML 0.9 2019-05-31
07:48:39
42.8213 13.0753 11 2019-05-31
07:58:01
Sala Sismica INGV-Roma 69045911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-31 07:48:39 ± 0.05
Latitude 42.8213 ± 0.0027
Longitude 13.0753 ± 0.0061
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 69045911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22213
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 9
Type of magnitude ML
Reference to an origin 69045911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-31 07:58:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SL.KOGS.BHZ. 2019-05-31T07:49:58.12 3.0 undecidable manual Pg 13.9 0
MN.PDG.HHZ. 2019-05-31T07:49:50.05 3.0 negative manual Pn 1.9 0
IV.OVO.HHZ. 2019-05-31T07:49:44.15 3.0 undecidable manual Sn -0.66 0
IV.PTRJ.HNZ. 2019-05-31T07:49:32.58 3.0 undecidable manual Sn -2.05 0
CR.HVAR.HHZ. 2019-05-31T07:49:23.15 3.0 negative manual Pn 3.6 0
IV.VBKN.HHZ. 2019-05-31T07:49:20.91 3.0 positive manual Pg 4.71 0
IV.FIR.HHZ. 2019-05-31T07:49:12.16 3.0 undecidable manual Pg 3.33 0
IV.RIBO.EHZ.01 2019-05-31T07:49:05.45 3.0 undecidable manual P -1.6 0
IV.SENI.HNZ. 2019-05-31T07:48:56.26 3.0 negative manual P -0.92 0
IV.MMO1.EHZ. 2019-05-31T07:48:47.34 0.3 undecidable manual S 67 22.1556 50 -0.06 72
IV.FDMO.HHZ. 2019-05-31T07:48:47.59 0.3 undecidable manual S 2 23.8539 50 -0.26 69
IV.LNSS.HHE. 2019-05-31T07:48:47.96 0.3 undecidable manual S 187 24.4533 50 -0.03 72
IV.CESI.HHZ. 2019-05-31T07:48:47.99 0.3 undecidable manual S 326 24.6531 50 -0.06 72
IV.GAVE.EHE. 2019-05-31T07:48:46.97 0.3 undecidable manual S 226 20.5683 50 0 73
IV.MC2.EHE. 2019-05-31T07:48:45.33 0.3 undecidable manual S 43 13.5753 129 0.23 71
IV.LNSS.HHE. 2019-05-31T07:48:44.27 0.3 undecidable manual P 187 24.4533 50 0.07 72
IV.CESI.HHZ. 2019-05-31T07:48:44.53 0.3 undecidable manual P 326 24.6531 50 0.3 68
IV.FDMO.HHZ. 2019-05-31T07:48:44.11 0.1 undecidable manual P 2 23.8539 50 -0.01 97
IV.GAVE.EHE. 2019-05-31T07:48:43.59 0.3 undecidable manual P 226 20.5683 50 -0.02 73
IV.MMO1.EHZ. 2019-05-31T07:48:43.88 0.1 undecidable manual P 67 22.1556 50 0.03 97
IV.NRCA.HHZ. 2019-05-31T07:48:42.70 0.3 undecidable manual S 67 3.3966 163 -0.34 70
IV.MC2.EHE. 2019-05-31T07:48:42.66 0.1 undecidable manual P 43 13.5753 129 0.13 96
IV.NRCA.HHZ. 2019-05-31T07:48:41.32 0.1 undecidable manual P 67 3.3966 163 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.00017707590000000002 0.1024 AML other m 2019-05-31T07:48:43.35
IV.NRCA.HHN. ML:1.2 0.00025886265 0.0576 AML other m 2019-05-31T07:48:42.70
IV.NRCA.HNE. ML:1.0 0.0001718534 0.1024 AML other m 2019-05-31T07:48:43.40
IV.NRCA.HNN. ML:1.1 0.00021046735 0.0576 AML other m 2019-05-31T07:48:42.73
IV.FDMO.HHE. ML:0.5 0.00001771758 0.1984 AML other m 2019-05-31T07:48:47.88
IV.FDMO.HHN. ML:0.5 0.000017584784999999997 0.2176 AML other m 2019-05-31T07:48:47.75
IV.CESI.HNN. ML:1.5 0.00016895315 0.4096 AML other m 2019-05-31T07:48:48.19
IV.CESI.HHE. ML:0.2 0.000011648809999999998 0.096 AML other m 2019-05-31T07:48:48.31
IV.CESI.HHN. ML:0.4 0.000015514559499999998 0.1152 AML other m 2019-05-31T07:48:48.23
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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