Earthquake with magnitude of ML 0.9 on date 16-01-2020 and time 08:42:44 (UTC) in region 5 km E Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km E Norcia (PG), on

  • 16-01-2020 08:42:44 (UTC)
  • 16-01-2020 09:42:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7740, 13.1470 at 11 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
Accumoli RI 12 667 5624
Arquata del Tronto AP 12 1178 6802
Cascia PG 12 3217 10019
Castelsantangelo sul Nera MC 14 281 10300
Preci PG 15 724 11024
Montegallo AP 17 523 11547
Cittareale RI 17 482 12029
Visso MC 18 1107 13136
Poggiodomo PG 19 117 13253
Ussita MC 19 444 13697
Cerreto di Spoleto PG 20 1075 14772
Amatrice RI 20 2657 17429

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
51 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)
94 Km E of Viterbo (67173 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
96 Km W of Chieti (51815 inhabitants)
99 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 0.9 2020-01-16
08:42:44
42.7735 13.1473 11 2020-07-18
21:08:20
Bollettino Sismico Italiano INGV 76460881
Reviewed
Rev100
ML 1.6 2020-01-16
08:42:44
42.7737 13.1433 11 2020-01-16
08:48:25
Sala Sismica INGV-Roma 75581551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-16 08:42:44 ± 0.04
Latitude 42.7735 ± 0.0027
Longitude 13.1473 ± 0.0037
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 76460881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 267
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26620
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 75581551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-16 08:48:25

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 76460881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-12 12:09:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2020-01-16T08:43:14.10 3.0 undecidable manual S -0.38 0
IV.FDMO.HHZ. 2020-01-16T08:42:55.02 0.3 undecidable manual S 351 29.5482 90 -0.09 71
IV.GAVE.EHZ. 2020-01-16T08:42:53.11 0.3 undecidable manual S 246 22.5552 90 -0.11 73
IV.SMA1.EHZ. 2020-01-16T08:42:53.07 0.3 undecidable manual S 136 22.0668 90 -0.03 73
IV.MMO1.HNZ. 2020-01-16T08:42:52.53 0.3 undecidable manual S 46 20.1687 90 -0.08 74
IV.LNSS.HHZ. 2020-01-16T08:42:52.79 0.1 undecidable manual S 205 20.868 90 0.01 98
IV.MTRA.HNZ. 2020-01-16T08:42:52.49 0.3 undecidable manual S 95 20.3685 90 -0.16 74
IV.MC2.EHZ. 2020-01-16T08:42:51.44 0.3 undecidable manual S 12 15.6732 91 0.04 75
IV.FDMO.HHZ. 2020-01-16T08:42:51.01 0.3 undecidable manual P 351 29.5482 90 0.28 70
IV.SMA1.EHZ. 2020-01-16T08:42:49.75 0.3 undecidable manual P 136 22.0668 90 0.18 70
IV.MTRA.HNZ. 2020-01-16T08:42:49.21 0.6 undecidable manual P 95 20.3685 90 -0.1 50
IV.MMO1.HNZ. 2020-01-16T08:42:49.39 0.3 undecidable manual P 46 20.1687 90 0.1 73
IV.LNSS.HHZ. 2020-01-16T08:42:49.40 0.6 negative manual P 205 20.868 90 0.01 49
IV.NRCA.HHZ. 2020-01-16T08:42:49.16 0.3 undecidable manual S 338 7.1928 135 -0.18 74
IV.GAVE.EHZ. 2020-01-16T08:42:49.60 0.3 negative manual P 246 22.5552 90 -0.04 74
IV.MC2.EHZ. 2020-01-16T08:42:48.64 0.1 undecidable manual P 12 15.6732 91 0.05 99
IV.NRCA.HHZ. 2020-01-16T08:42:47.45 0.1 undecidable manual P 338 7.1928 135 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.0 0.0000628 0.56 AML other m 2020-01-16T08:42:53.48
IV.GAVE.EHN. ML:0.9 0.000051750000000000004 0.2 AML other m 2020-01-16T08:42:54.60
IV.LNSS.HHE. ML:0.8 0.0000414538 0.2432 AML other m 2020-01-16T08:42:53.10
IV.LNSS.HHN. ML:0.8 0.00004458472 0.1152 AML other m 2020-01-16T08:42:53.81
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