Earthquake with magnitude of ML 0.7 on date 18-05-2020 and time 07:56:29 (UTC) in region 5 km E Norcia (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km E Norcia (PG), on

  • 18-05-2020 07:56:29 (UTC)
  • 18-05-2020 09:56:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7800, 13.1550 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 5 4957 4957
Arquata del Tronto AP 12 1178 6135
Accumoli RI 12 667 6802
Castelsantangelo sul Nera MC 13 281 7083
Cascia PG 13 3217 10300
Preci PG 15 724 11024
Montegallo AP 16 523 11547
Visso MC 18 1107 12654
Cittareale RI 18 482 13136
Ussita MC 18 444 13580
Poggiodomo PG 19 117 13697
Montemonaco AP 20 604 14301
Amatrice RI 20 2657 16958
Cerreto di Spoleto PG 20 1075 18033

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)
52 Km NW of L'Aquila (69753 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
96 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 0.7 2020-05-18
07:56:29
42.7798 13.1547 11 2020-05-18
08:17:36
Sala Sismica INGV-Roma 79274681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-18 07:56:29 ± 0.06
Latitude 42.7798 ± 0.0027
Longitude 13.1547 ± 0.0049
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 79274681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 405
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.13400
Epicentral distance of station farthest from the epicenter (degree) 0.36512
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 79274681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-18 08:17:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-05-18T07:56:43.04 0.6 undecidable manual S 115 40.5261 50 0.07 48
IV.RM33.EHZ. 2020-05-18T07:56:40.29 0.3 undecidable manual S 171 30.4473 50 0.02 73
IV.CESI.HNN. 2020-05-18T07:56:40.92 0.6 undecidable manual S 321 32.1456 50 0.19 47
IV.FDMO.HHZ. 2020-05-18T07:56:39.80 0.6 undecidable manual S 349 28.9488 50 -0.08 48
IV.LNSS.HHZ. 2020-05-18T07:56:37.96 0.3 undecidable manual S 205 21.7671 50 0.01 74
IV.TERO.HHZ. 2020-05-18T07:56:37.20 0.3 undecidable manual P 115 40.5261 50 -0.14 70
IV.CESI.HNN. 2020-05-18T07:56:36.10 0.6 undecidable manual P 321 32.1456 50 0.05 48
IV.CSP1.EHZ. 2020-05-18T07:56:36.38 0.3 undecidable manual P 7 34.8429 50 -0.08 72
IV.MC2.EHE. 2020-05-18T07:56:36.16 0.6 undecidable manual S 11 14.874 126 0.12 49
IV.FDMO.HHZ. 2020-05-18T07:56:35.45 0.6 undecidable manual P 349 28.9488 50 -0.11 48
IV.RM33.EHZ. 2020-05-18T07:56:35.65 0.3 undecidable manual P 171 30.4473 50 -0.13 72
IV.SMA1.EHZ. 2020-05-18T07:56:34.92 0.6 negative manual P 138 22.1556 50 0.41 46
IV.LNSS.HHZ. 2020-05-18T07:56:34.40 0.1 undecidable manual P 205 21.7671 50 -0.04 99
IV.MC2.EHE. 2020-05-18T07:56:33.30 0.1 undecidable manual P 11 14.874 126 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HNE. ML:1.2 0.00009616396 0.7616 AML other m 2020-05-18T07:56:36.58
IV.LNSS.HHE. ML:1.0 0.00006304404500000001 0.1792 AML other m 2020-05-18T07:56:38.20
IV.LNSS.HHN. ML:1.0 0.00005897156 0.16 AML other m 2020-05-18T07:56:38.58
IV.LNSS.HNN. ML:1.3 0.00012154534499999999 0.5376 AML other m 2020-05-18T07:56:38.36
IV.FDMO.HHN. ML:0.3 0.000011885963000000002 0.1792 AML other m 2020-05-18T07:56:40.85
IV.FDMO.HHE. ML:0.3 0.000011492430999999998 0.2048 AML other m 2020-05-18T07:56:40.95
IV.RM33.HNE. ML:1.3 0.00009269131999999999 0.8256 AML other m 2020-05-18T07:56:40.67
IV.RM33.EHE. ML:0.6 0.000018273125 0.2816 AML other m 2020-05-18T07:56:41.88
IV.RM33.EHN. ML:0.3 0.000011457832500000001 0.0768 AML other m 2020-05-18T07:56:40.96
IV.TERO.HHN. ML:0.6 0.000014056405 0.6016 AML other m 2020-05-18T07:56:43.80
IV.TERO.HHE. ML:0.5 0.0000080330695 1.4592 AML other m 2020-05-18T07:56:44.08
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