Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 01-01-2020 and time 08:48:47 (Italy) in region 5 km SW Norcia (PG)

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

  • 01-01-2020 07:48:47 (UTC)
  • 01-01-2020 08:48:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7560, 13.0630 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.

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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
Cascia PG 6 3217 8174
Poggiodomo PG 12 117 8291
Preci PG 14 724 9015
Cerreto di Spoleto PG 14 1075 10090
Monteleone di Spoleto PG 15 599 10689
Vallo di Nera PG 16 364 11053
Accumoli RI 17 667 11720
Castelsantangelo sul Nera MC 17 281 12001
Cittareale RI 17 482 12483
Sellano PG 19 1079 13562
Sant'Anatolia di Narco PG 19 564 14126
Arquata del Tronto AP 19 1178 15304
Scheggino PG 20 461 15765
Visso MC 20 1107 16872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
54 Km W of Teramo (54892 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.5 2020-01-01
07:48:47		 42.7563 13.0632 11 2020-07-18
21:08:20		 Bollettino Sismico Italiano INGV 76621641
Reviewed
Rev100 		ML 1.5 2020-01-01
07:48:47		 42.7568 13.0597 11 2020-01-01
07:55:53		 Sala Sismica INGV-Roma 75161261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-01 07:48:47 ± 0.04
Latitude 42.7563 ± 0.0018
Longitude 13.0632 ± 0.0024
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76621641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.57377
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 76621641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-18 09:44:45

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 75161261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-01 07:55:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-01-01T07:49:01.20 0.6 undecidable manual S 278 40.5261 50 0.31 46
IV.CSP1.EHZ. 2020-01-01T07:49:00.48 0.6 undecidable manual S 17 38.9277 50 0 48
IV.EL6.EHZ. 2020-01-01T07:48:59.16 0.6 undecidable manual P 3 63.6918 50 0.36 43
IV.FDMO.HHZ. 2020-01-01T07:48:58.17 0.6 undecidable manual S 4 31.1466 50 -0.22 47
IV.CESI.HHZ. 2020-01-01T07:48:58.06 0.3 undecidable manual S 335 30.4473 50 -0.14 71
IV.ARRO.EHZ. 2020-01-01T07:48:58.40 0.6 undecidable manual S 231 31.2465 50 -0.01 49
IV.RM33.EHZ. 2020-01-01T07:48:57.92 0.6 undecidable manual S 156 30.0477 50 -0.19 47
IV.MMO1.EHZ. 2020-01-01T07:48:57.05 0.3 undecidable manual S 53 26.6511 50 -0.15 72
IV.SMA1.EHZ. 2020-01-01T07:48:57.27 0.6 undecidable manual S 122 26.2515 50 0.19 48
IV.MTRA.EHZ. 2020-01-01T07:48:57.21 0.6 undecidable manual S 90 27.1506 50 -0.12 48
IV.T1299.HNN. 2020-01-01T07:48:56.11 0.6 undecidable manual S 127 22.4553 50 0.05 49
IV.ASSB.HHZ. 2020-01-01T07:48:56.47 0.6 undecidable manual P 314 45.7209 50 0.44 44
IV.FEMA.HNE. 2020-01-01T07:48:56.23 0.6 undecidable manual S 357 22.8549 50 0.05 50
IV.CESX.HHZ. 2020-01-01T07:48:55.29 0.6 undecidable manual P 247 42.1245 50 -0.2 46
IV.MOMA.HHZ. 2020-01-01T07:48:55.29 0.3 undecidable manual P 278 40.5261 50 0.06 72
IV.MF5.EHZ. 2020-01-01T07:48:55.66 0.3 undecidable manual P 51 41.2254 50 0.32 68
IV.GUMA.HHZ. 2020-01-01T07:48:55.32 0.3 undecidable manual P 33 40.5261 50 0.08 71
IV.MC2.EHZ. 2020-01-01T07:48:55.44 0.3 undecidable manual S 31 20.0688 118 0.1 73
IV.CSP1.EHZ. 2020-01-01T07:48:54.84 0.3 undecidable manual P 17 38.9277 50 -0.15 70
IV.LNSS.HHZ. 2020-01-01T07:48:54.17 0.6 undecidable manual S 186 17.1717 122 -0.29 48
IV.SMA1.EHZ. 2020-01-01T07:48:53.11 0.3 undecidable manual P 122 26.2515 50 0.08 73
IV.CESI.HHZ. 2020-01-01T07:48:53.47 0.3 undecidable manual P 335 30.4473 50 -0.21 71
IV.GAVE.EHZ. 2020-01-01T07:48:53.94 0.6 undecidable manual S 243 15.4734 124 -0.05 50
IV.MTRA.EHZ. 2020-01-01T07:48:53.15 0.6 undecidable manual P 90 27.1506 50 -0.02 49
IV.ARRO.EHZ. 2020-01-01T07:48:53.65 0.6 undecidable manual P 231 31.2465 50 -0.15 48
IV.RM33.EHZ. 2020-01-01T07:48:53.78 0.6 undecidable manual P 156 30.0477 50 0.15 48
IV.FDMO.HHZ. 2020-01-01T07:48:53.58 0.3 undecidable manual P 4 31.1466 50 -0.21 71
IV.MMO1.EHZ. 2020-01-01T07:48:53.06 0.3 undecidable manual P 53 26.6511 50 -0.04 74
IV.NRCA.HHZ. 2020-01-01T07:48:52.21 0.3 undecidable manual S 26 9.4794 138 -0.2 74
IV.FEMA.HNE. 2020-01-01T07:48:52.82 0.6 undecidable manual P 357 22.8549 50 0.31 47
IV.T1299.HNN. 2020-01-01T07:48:52.92 1.0 undecidable manual P 127 22.4553 50 0.48 23
IV.MC2.EHZ. 2020-01-01T07:48:51.98 0.3 undecidable manual P 31 20.0688 118 -0.04 75
IV.GAVE.EHZ. 2020-01-01T07:48:51.28 0.1 undecidable manual P 243 15.4734 124 0.04 100
IV.LNSS.HHZ. 2020-01-01T07:48:51.49 0.3 undecidable manual P 186 17.1717 122 -0.03 76
IV.NRCA.HHZ. 2020-01-01T07:48:50.40 0.3 undecidable manual P 26 9.4794 138 0.07 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.8 0.00083088385 0.1792 AML other m 2020-01-01T07:48:52.32
IV.NRCA.HNN. ML:1.8 0.00091713735 0.0768 AML other m 2020-01-01T07:48:52.26
IV.NRCA.HHN. ML:1.9 0.001063514 0.1024 AML other m 2020-01-01T07:48:52.26
IV.NRCA.HHE. ML:1.8 0.0008807645 0.1792 AML other m 2020-01-01T07:48:52.32
IV.GAVE.HNE. ML:1.7 0.0005412117 0.1984 AML other m 2020-01-01T07:48:54.69
IV.GAVE.EHN. ML:1.8 0.0006036453500000001 0.1984 AML other m 2020-01-01T07:48:54.18
IV.GAVE.EHE. ML:1.7 0.0004999764 0.1792 AML other m 2020-01-01T07:48:54.69
IV.GAVE.HNN. ML:1.3 0.00017433599999999998 0.2432 AML other m 2020-01-01T07:48:54.06
IV.LNSS.HNN. ML:2.0 0.000828335 0.1472 AML other m 2020-01-01T07:48:54.65
IV.LNSS.HHE. ML:2.1 0.0010148939 0.1152 AML other m 2020-01-01T07:48:54.60
IV.LNSS.HNE. ML:2.0 0.0009261284 0.1088 AML other m 2020-01-01T07:48:54.60
IV.LNSS.HHN. ML:2.0 0.00081191815 0.1408 AML other m 2020-01-01T07:48:54.65
IV.MTRA.HNE. ML:1.5 0.00016534976499999997 0.2176 AML other m 2020-01-01T07:48:58.05
IV.MTRA.HNN. ML:1.5 0.00016181995 0.1984 AML other m 2020-01-01T07:48:58.04
IV.MTRA.EHE. ML:1.5 0.00015718579999999998 0.16 AML other m 2020-01-01T07:48:58.05
IV.MTRA.EHN. ML:1.4 0.00013925025000000003 0.2048 AML other m 2020-01-01T07:48:57.94
IV.CESI.HHE. ML:1.2 0.000071283445 0.32 AML other m 2020-01-01T07:48:58.30
IV.CESI.HHN. ML:1.3 0.000089392425 0.2432 AML other m 2020-01-01T07:48:58.34
IV.FDMO.HHN. ML:1.3 0.000082652695 0.1344 AML other m 2020-01-01T07:48:58.53
IV.FDMO.HHE. ML:1.2 0.00007946286 0.2176 AML other m 2020-01-01T07:49:00.18
IV.ARRO.EHN. ML:1.2 0.000074814785 0.1856 AML other m 2020-01-01T07:48:59.69
IV.ARRO.EHE. ML:1.0 0.000048641890000000005 0.16 AML other m 2020-01-01T07:48:59.79
IV.RM33.EHE. ML:1.1 0.000066460935 0.1216 AML other m 2020-01-01T07:48:59.08
IV.RM33.EHN. ML:1.3 0.0000929681 0.1024 AML other m 2020-01-01T07:48:58.38
IV.CSP1.EHN. ML:1.2 0.000059418669 0.2624 AML other m 2020-01-01T07:49:02.06
IV.CSP1.EHE. ML:1.1 0.00004629127 0.2816 AML other m 2020-01-01T07:49:01.14
IV.MOMA.HHN. ML:1.6 0.00012506465 0.1856 AML other m 2020-01-01T07:49:02.48
IV.CESX.HHN. ML:1.0 0.000035686300000000004 0.256 AML other m 2020-01-01T07:49:02.00
IV.CESX.HHE. ML:1.0 0.000034234890000000006 0.2624 AML other m 2020-01-01T07:49:02.98
IV.MOMA.HHE. ML:1.6 0.00011929925 0.2368 AML other m 2020-01-01T07:49:01.88
IV.GUMA.HHE. ML:1.4 0.00008172832 0.2176 AML other m 2020-01-01T07:49:05.22
IV.GUMA.HHN. ML:1.3 0.00006903018499999999 0.3392 AML other m 2020-01-01T07:49:04.14
IV.EL6.EHN. ML:1.3 0.000040892399999999995 0.2432 AML other m 2020-01-01T07:49:09.40
IV.EL6.EHE. ML:1.4 0.00004577607 0.256 AML other m 2020-01-01T07:49:09.04
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