Earthquake with magnitude of ML 1.0 on date 18-05-2020 and time 07:18:56 (Italy) in region 6 km E Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 6 km E Norcia (PG), on

  • 18-05-2020 05:18:56 (UTC)
  • 18-05-2020 07:18:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7800, 13.1590 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 6 4957 4957
Arquata del Tronto AP 11 1178 6135
Accumoli RI 12 667 6802
Castelsantangelo sul Nera MC 13 281 7083
Cascia PG 14 3217 10300
Preci PG 15 724 11024
Montegallo AP 16 523 11547
Cittareale RI 18 482 12029
Visso MC 18 1107 13136
Ussita MC 19 444 13580
Montemonaco AP 19 604 14184
Poggiodomo PG 20 117 14301
Amatrice RI 20 2657 16958

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
48 Km NE of Terni (111501 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km W of Pescara (121014 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
98 Km SW of Ancona (100861 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 2020-05-18
05:18:56
42.7795 13.1593 10 2020-05-18
05:24:41
Sala Sismica INGV-Roma 79267991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-18 05:18:56 ± 0.05
Latitude 42.7795 ± 0.0027
Longitude 13.1593 ± 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 79267991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 364
Semi-minor axis of confidence ellipse (meter) 249
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) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31386
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 79267991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-18 05:24:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2020-05-18T05:19:09.09 0.6 undecidable manual S 46 33.6441 50 0.7 41
IV.CSP1.EHZ. 2020-05-18T05:19:08.65 0.6 undecidable manual S 6 34.8429 50 -0.07 48
IV.CESI.HHZ. 2020-05-18T05:19:08.13 0.3 undecidable manual S 320 32.4453 50 0.05 73
IV.RM33.EHZ. 2020-05-18T05:19:07.25 0.3 undecidable manual S 171 30.3474 50 -0.27 70
IV.FDMO.HHZ. 2020-05-18T05:19:06.85 0.6 undecidable manual S 348 29.1486 50 -0.34 46
IV.LNSS.HHZ. 2020-05-18T05:19:05.15 0.3 undecidable manual S 206 21.867 114 0.14 73
IV.MTRA.EHZ. 2020-05-18T05:19:04.09 0.3 undecidable manual S 97 19.4694 117 -0.17 73
IV.MMO1.EHZ. 2020-05-18T05:19:04.00 0.1 undecidable manual S 46 19.0698 117 -0.12 98
IV.TERO.HHZ. 2020-05-18T05:19:04.18 3.0 undecidable manual P -0.39 0
IV.CESI.HHZ. 2020-05-18T05:19:03.21 0.1 undecidable manual P 320 32.4453 50 -0.06 97
IV.CSP1.EHZ. 2020-05-18T05:19:03.65 0.3 undecidable manual P 6 34.8429 50 0.02 73
IV.MF5.EHZ. 2020-05-18T05:19:03.77 0.3 undecidable manual P 46 33.6441 50 0.32 69
IV.FDMO.HHZ. 2020-05-18T05:19:02.60 0.1 undecidable manual P 348 29.1486 50 -0.15 96
IV.RM33.EHZ. 2020-05-18T05:19:02.88 0.3 undecidable manual P 171 30.3474 50 -0.06 73
IV.MMO1.EHZ. 2020-05-18T05:19:01.00 0.1 undecidable manual P 46 19.0698 117 0.02 100
IV.LNSS.HHZ. 2020-05-18T05:19:01.60 0.1 undecidable manual P 206 21.867 114 0.11 98
IV.MTRA.EHZ. 2020-05-18T05:19:01.08 0.1 undecidable manual P 97 19.4694 117 0.02 100
IV.SMA1.EHZ. 2020-05-18T05:19:01.47 0.1 undecidable manual P 139 21.867 114 -0.02 99
IV.NRCA.HHZ. 2020-05-18T05:19:00.75 0.1 undecidable manual S 329 6.993 144 -0.13 100
IV.NRCA.HHZ. 2020-05-18T05:18:59.34 0.1 negative manual P 329 6.993 144 0.23 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.2 0.000128 0.24 AML other m 2020-05-18T05:19:04.34
IV.MTRA.EHE. ML:1.1 0.00010675 0.56 AML other m 2020-05-18T05:19:05.34
IV.LNSS.HHN. ML:1.3 0.0001455 0.78 AML other m 2020-05-18T05:19:05.34
IV.LNSS.HHE. ML:1.2 0.00010400000000000001 0.42 AML other m 2020-05-18T05:19:05.65
IV.FDMO.HHN. ML:0.8 0.0000293 0.94 AML other m 2020-05-18T05:19:07.14
IV.FDMO.HHE. ML:0.7 0.000027400000000000002 1.14 AML other m 2020-05-18T05:19:07.14
IV.SMA1.EHE. ML:0.8 0.00004495 1.42 AML other m 2020-05-18T05:19:07.91
IV.SMA1.EHN. ML:0.8 0.00004615 0.42 AML other m 2020-05-18T05:19:08.71
IV.TERO.HHN. ML:0.8 0.0000216 0.06 AML other m 2020-05-18T05:19:09.85
IV.TERO.HHE. ML:0.6 0.00001745 1.4 AML other m 2020-05-18T05:19:10.92
IV.MF5.EHE. ML:1.1 0.000052000000000000004 1.46 AML other m 2020-05-18T05:19:15.21
IV.MF5.EHN. ML:1.1 0.000052499999999999995 0.42 AML other m 2020-05-18T05:19:21.11
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