Earthquake with magnitude of ML 1.5 on date 18-05-2020 and time 04:44:53 (Italy) in region 5 km E Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 5 km E Norcia (PG), on

  • 18-05-2020 02:44:53 (UTC)
  • 18-05-2020 04:44:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7820, 13.1490 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 13 667 6802
Castelsantangelo sul Nera MC 13 281 7083
Cascia PG 13 3217 10300
Preci PG 14 724 11024
Montegallo AP 17 523 11547
Visso MC 17 1107 12654
Ussita MC 18 444 13098
Cittareale RI 18 482 13580
Poggiodomo PG 19 117 13697
Cerreto di Spoleto PG 19 1075 14772
Montemonaco AP 20 604 15376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 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)
94 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
Bulletin
Rev1000
ML 1.5 2020-05-18
02:44:53
42.7823 13.1492 10 2020-11-19
12:36:52
Bollettino Sismico Italiano INGV 80858561
Reviewed
Rev100
ML 1.4 2020-05-18
02:44:53
42.7783 13.1632 10 2020-05-18
02:50:38
Sala Sismica INGV-Roma 79255721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-18 02:44:53 ± 0.06
Latitude 42.7823 ± 0.0027
Longitude 13.1492 ± 0.0074
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80858561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 577
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
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) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54769
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 80858561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-07 11:16:35

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 79255721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-18 02:50:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-05-18T02:45:18.80 3.0 undecidable manual S -0.55 0
IV.GUMA.HHZ. 2020-05-18T02:45:05.55 0.3 undecidable manual S 26 34.5432 50 0.47 67
IV.CSP1.EHZ. 2020-05-18T02:45:04.92 0.3 undecidable manual S 7 34.6431 50 -0.18 71
IV.CESI.HHZ. 2020-05-18T02:45:04.29 0.1 undecidable manual S 321 31.6461 50 -0.03 98
IV.EL6.EHZ. 2020-05-18T02:45:03.97 0.1 undecidable manual P 356 60.7947 50 -0.1 91
IV.FDMO.HHZ. 2020-05-18T02:45:03.14 0.1 undecidable manual S 350 28.6491 50 -0.36 92
IV.RM33.EHZ. 2020-05-18T02:45:03.77 0.3 undecidable manual S 170 30.8469 50 -0.31 69
IV.MOMA.HHZ. 2020-05-18T02:45:02.83 0.3 undecidable manual P 273 47.2194 50 0.85 56
IV.MNTT.EHZ. 2020-05-18T02:45:02.97 0.3 undecidable manual P 49 47.7189 50 0.91 55
IV.LNSS.HHZ. 2020-05-18T02:45:01.33 0.1 undecidable manual S 204 21.7671 114 -0.11 98
IV.TERO.HHZ. 2020-05-18T02:45:01.23 0.1 undecidable manual P 115 41.1255 50 0.19 93
IV.SAP2.EHE. 2020-05-18T02:45:01.22 0.3 undecidable manual P 30 40.3263 50 0.3 68
IV.ARRO.EHZ. 2020-05-18T02:45:00.64 0.1 undecidable manual P 234 38.5281 50 -0.01 97
IV.MMO1.EHZ. 2020-05-18T02:45:00.24 0.1 undecidable manual S 48 19.4694 117 -0.45 91
IV.GUMA.HHZ. 2020-05-18T02:45:00.07 0.1 undecidable manual P 26 34.5432 50 0.04 97
IV.T1299.HNZ. 2020-05-18T02:45:00.80 0.1 undecidable manual S 147 19.6692 117 0.02 100
IV.MF5.EHZ. 2020-05-18T02:45:00.12 3.0 undecidable manual P 0.25 0
IV.CESI.HHZ. 2020-05-18T02:44:59.60 0.3 undecidable manual P 321 31.6461 50 0.01 74
IV.MC2.EHZ. 2020-05-18T02:44:59.48 0.1 undecidable manual S 13 14.6742 124 0.21 97
IV.CSP1.EHZ. 2020-05-18T02:44:59.72 0.3 undecidable manual P 7 34.6431 50 -0.32 69
IV.RM33.EHZ. 2020-05-18T02:44:59.16 0.1 undecidable manual P 170 30.8469 50 -0.29 93
IV.FDMO.HHZ. 2020-05-18T02:44:58.94 0.1 positive manual P 350 28.6491 50 -0.18 95
IT.MTCL.HGZ. 2020-05-18T02:44:58.61 0.1 undecidable manual P 333 26.4513 50 -0.17 96
IV.NRCA.HNZ. 2020-05-18T02:44:57.05 0.1 undecidable manual S 333 6.3936 147 -0.16 100
IV.T1299.HNZ. 2020-05-18T02:44:57.66 0.1 positive manual P 147 19.6692 117 0.11 98
IV.LNSS.HHZ. 2020-05-18T02:44:57.97 0.1 positive manual P 204 21.7671 114 0.04 99
IV.MMO1.EHZ. 2020-05-18T02:44:57.29 0.1 positive manual P 48 19.4694 117 -0.21 96
IV.MC2.EHZ. 2020-05-18T02:44:56.85 0.1 positive manual P 13 14.6742 124 0.17 98
IV.NRCA.HNZ. 2020-05-18T02:44:55.73 0.1 negative manual P 333 6.3936 147 0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.0 0.00148 0.1 AML other m 2020-05-18T02:44:57.23
IV.NRCA.HHE. ML:2.0 0.001495 0.08 AML other m 2020-05-18T02:44:57.24
IV.NRCA.HHN. ML:2.0 0.001585 0.1 AML other m 2020-05-18T02:44:57.23
IV.NRCA.HNN. ML:1.9 0.0013599999999999999 0.12 AML other m 2020-05-18T02:44:57.29
IV.MTRA.EHN. ML:1.5 0.0002185 0.16 AML other m 2020-05-18T02:45:00.96
IV.LNSS.HHE. ML:1.6 0.000252 0.2 AML other m 2020-05-18T02:45:01.89
IV.LNSS.HHN. ML:1.6 0.00027350000000000003 0.2 AML other m 2020-05-18T02:45:02.18
IV.MTRA.EHE. ML:1.5 0.000253 1.46 AML other m 2020-05-18T02:45:02.83
IV.FDMO.HHN. ML:1.0 0.0000525 0.32 AML other m 2020-05-18T02:45:03.55
IV.FDMO.HHE. ML:1.0 0.00005175 0.92 AML other m 2020-05-18T02:45:04.01
IV.RM33.EHE. ML:1.1 0.00006055 0.58 AML other m 2020-05-18T02:45:04.69
IV.CESI.HHE. ML:1.2 0.00006875 0.34 AML other m 2020-05-18T02:45:04.85
IV.CESI.HHN. ML:1.2 0.00007569999999999998 0.26 AML other m 2020-05-18T02:45:04.85
IV.RM33.EHN. ML:1.0 0.00004565 0.12 AML other m 2020-05-18T02:45:05.22
IV.GUMA.HNN. ML:2.0 0.000363 0.4 AML other m 2020-05-18T02:45:06.22
IV.GUMA.HHN. ML:1.6 0.00014549999999999999 0.72 AML other m 2020-05-18T02:45:06.35
IV.TERO.HHE. ML:0.9 0.00002685 0.3 AML other m 2020-05-18T02:45:07.16
IV.GUMA.HHE. ML:1.5 0.0001315 0.6 AML other m 2020-05-18T02:45:08.53
IV.GUMA.HNE. ML:1.6 0.0001695 1.48 AML other m 2020-05-18T02:45:08.09
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