Earthquake with magnitude of ML 1.0 on date 07-05-2020 and time 01:36:27 (Italy) in region 4 km N Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km N Norcia (PG), on

  • 06-05-2020 23:36:27 (UTC)
  • 07-05-2020 01:36:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8250, 13.1060 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 4 4957 4957
Preci PG 8 724 5681
Castelsantangelo sul Nera MC 9 281 5962
Visso MC 12 1107 7069
Ussita MC 14 444 7513
Cascia PG 14 3217 10730
Cerreto di Spoleto PG 15 1075 11805
Sellano PG 16 1079 12884
Arquata del Tronto AP 17 1178 14062
Accumoli RI 19 667 14729
Montegallo AP 19 523 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 inhabitants)
99 Km W of Pescara (121014 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 1.0 2020-05-06
23:36:27
42.8253 13.1057 10 2020-05-06
23:40:42
Sala Sismica INGV-Roma 78905841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-06 23:36:27 ± 0.07
Latitude 42.8253 ± 0.0045
Longitude 13.1057 ± 0.0049
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 78905841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 494
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
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) 60
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41818
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 78905841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-06 23:40:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2020-05-06T23:36:55.46 3.0 undecidable manual S -1.51 0
IV.POFI.HHZ. 2020-05-06T23:36:48.89 3.0 undecidable manual P -0.33 0
IV.TERO.HHZ. 2020-05-06T23:36:42.70 0.6 undecidable manual S 119 46.4202 50 -0.25 47
IV.ASSB.HHZ. 2020-05-06T23:36:42.11 0.3 undecidable manual S 304 43.5231 50 -0.09 74
IV.MOMA.HHZ. 2020-05-06T23:36:42.63 0.6 undecidable manual S 267 43.623 50 0.41 46
IV.MF5.EHZ. 2020-05-06T23:36:41.01 0.6 undecidable manual S 58 33.9438 50 1.38 31
IV.ARRO.EHZ. 2020-05-06T23:36:40.71 0.6 undecidable manual S 226 38.9277 50 -0.25 48
IV.RM33.EHZ. 2020-05-06T23:36:40.14 0.6 undecidable manual S 166 36.2415 50 -0.09 50
IV.SMA1.EHZ. 2020-05-06T23:36:38.05 0.6 undecidable manual S 139 28.5492 50 -0.15 50
IV.CSP1.EHZ. 2020-05-06T23:36:38.52 0.6 undecidable manual S 15 30.6471 50 -0.22 49
IV.CESI.HHZ. 2020-05-06T23:36:37.19 0.6 undecidable manual S 321 25.752 111 -0.19 50
IV.MOMA.HHZ. 2020-05-06T23:36:36.33 0.6 positive manual P 267 43.623 50 0.19 48
IV.TERO.HHZ. 2020-05-06T23:36:36.38 0.6 undecidable manual P 119 46.4202 50 -0.18 48
IV.FDMO.HHZ. 2020-05-06T23:36:36.39 0.3 undecidable manual S 356 23.4543 113 -0.25 74
IV.MTRA.EHZ. 2020-05-06T23:36:36.94 0.6 undecidable manual S 108 24.8529 111 -0.16 50
IV.ASSB.HHZ. 2020-05-06T23:36:36.04 0.6 undecidable manual P 304 43.5231 50 -0.08 49
IV.MMO1.EHZ. 2020-05-06T23:36:35.32 0.6 undecidable manual S 65 19.7691 116 -0.15 51
IV.ARRO.EHZ. 2020-05-06T23:36:35.40 1.0 undecidable manual P 226 38.9277 50 -0.01 25
IV.RM33.EHZ. 2020-05-06T23:36:34.93 1.0 undecidable manual P 166 36.2415 50 -0.06 25
IV.MF5.EHZ. 2020-05-06T23:36:34.95 0.6 positive manual P 58 33.9438 50 0.32 48
IV.CSP1.EHZ. 2020-05-06T23:36:34.04 0.6 positive manual P 15 30.6471 50 -0.09 50
IV.MTRA.EHZ. 2020-05-06T23:36:33.24 0.6 undecidable manual P 108 24.8529 111 0.07 51
IV.CESI.HHZ. 2020-05-06T23:36:33.30 1.0 undecidable manual P 321 25.752 111 -0.04 26
IV.SMA1.EHZ. 2020-05-06T23:36:33.74 0.6 negative manual P 139 28.5492 50 -0.07 51
IV.MMO1.EHZ. 2020-05-06T23:36:32.19 1.0 undecidable manual P 65 19.7691 116 -0.05 26
IV.FDMO.HHZ. 2020-05-06T23:36:32.92 0.6 negative manual P 356 23.4543 113 0.01 52
IV.NRCA.HNZ. 2020-05-06T23:36:31.38 0.6 undecidable manual S 38 1.0989 173 0.15 52
IV.NRCA.HNZ. 2020-05-06T23:36:30.16 0.1 negative manual P 38 1.0989 173 0.37 100
IV.MC2.EHZ. 2020-05-06T23:36:30.12 1.0 undecidable manual P 35 11.6772 130 -0.76 22
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.0 0.0000674 0.76 AML other m 2020-05-06T23:36:37.50
IV.FDMO.HHN. ML:0.8 0.0000429 1.08 AML other m 2020-05-06T23:36:37.83
IV.MTRA.EHE. ML:1.2 0.000093 0.28 AML other m 2020-05-06T23:36:37.74
IV.CESI.HHN. ML:1.1 0.00006945 1.66 AML other m 2020-05-06T23:36:37.02
IV.FDMO.HHE. ML:0.7 0.0000281 0.56 AML other m 2020-05-06T23:36:37.68
IV.CESI.HHE. ML:1.1 0.00006725000000000001 0.74 AML other m 2020-05-06T23:36:38.63
IV.ASSB.HHE. ML:1.2 0.00004545000000000001 1.52 AML other m 2020-05-06T23:36:43.91
IV.ASSB.HHN. ML:0.9 0.00002665 1.1 AML other m 2020-05-06T23:36:43.90
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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