Earthquake with magnitude of ML 0.5 on date 10-02-2020 and time 00:46:38 (Italy) in region 6 km E Norcia (PG)

A magnitude ML 0.5 earthquake occured in region: 6 km E Norcia (PG), on

  • 09-02-2020 23:46:38 (UTC)
  • 10-02-2020 00:46:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7750, 13.1630 at 12 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 6 4957 4957
Arquata del Tronto AP 11 1178 6135
Accumoli RI 11 667 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 17 482 12029
Visso MC 18 1107 13136
Ussita MC 19 444 13580
Amatrice RI 19 2657 16237
Montemonaco AP 19 604 16841
Poggiodomo PG 20 117 16958

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
48 Km E 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)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
95 Km E of Viterbo (67173 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 0.5 2020-02-09
23:46:38
42.7752 13.1632 12 2020-07-18
21:08:19
Bollettino Sismico Italiano INGV 76398001
Reviewed
Rev100
ML 0.5 2020-02-09
23:46:38
42.765 13.1683 9 2020-02-09
23:53:48
Sala Sismica INGV-Roma 76387241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-09 23:46:38 ± 0.06
Latitude 42.7752 ± 0.0036
Longitude 13.1632 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76398001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35793
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 76387241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-09 23:53:48

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 76398001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-10 10:33:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2020-02-09T23:48:04.18 3.0 undecidable manual Pg 12.53 0
GU.GRAM.HHZ. 2020-02-09T23:47:50.22 3.0 undecidable manual Sn -0.13 0
IV.MILN.HNZ. 2020-02-09T23:47:45.06 3.0 undecidable manual Pg 12.78 0
IV.PAOL.HHZ. 2020-02-09T23:47:42.68 3.0 undecidable manual Sg 5.18 0
IV.VITU.HHZ. 2020-02-09T23:47:13.43 3.0 undecidable manual Pg 4.81 0
IV.TERO.HHZ. 2020-02-09T23:46:51.60 0.6 undecidable manual S 115 39.7269 91 -0.02 49
IV.MF5.EHZ. 2020-02-09T23:46:49.80 0.3 undecidable manual S 46 33.744 91 -0.23 71
IV.MMO1.EHZ. 2020-02-09T23:46:46.22 0.3 undecidable manual S 44 19.1697 94 0.08 75
IV.LNSS.HNZ. 2020-02-09T23:46:46.84 0.3 undecidable manual S 208 21.5673 93 0.06 72
IV.TERO.HHZ. 2020-02-09T23:46:46.02 0.6 negative manual P 115 39.7269 91 -0.08 49
IV.SMA1.EHZ. 2020-02-09T23:46:46.87 0.6 undecidable manual S 139 21.2676 93 0.16 48
IV.MF5.EHZ. 2020-02-09T23:46:45.07 0.1 undecidable manual P 46 33.744 91 -0.11 98
IV.MC2.EHZ. 2020-02-09T23:46:45.37 0.6 undecidable manual S 8 15.2736 100 0.26 48
IV.SMA1.EHZ. 2020-02-09T23:46:43.27 0.6 negative manual P 139 21.2676 93 0.01 50
IV.MMO1.EHZ. 2020-02-09T23:46:43.01 0.3 undecidable manual P 44 19.1697 94 0.07 75
IV.NRCA.HNZ. 2020-02-09T23:46:43.00 0.3 undecidable manual S 328 7.5813 135 -0.31 74
IV.LNSS.HNZ. 2020-02-09T23:46:43.24 0.1 undecidable manual P 208 21.5673 93 -0.06 100
IV.MC2.EHZ. 2020-02-09T23:46:42.56 0.3 undecidable manual P 8 15.2736 100 0.22 73
IV.NRCA.HNZ. 2020-02-09T23:46:41.40 0.3 undecidable manual P 328 7.5813 135 0.1 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.5 0.000019104215 0.0032 AML other m 2020-02-09T23:46:47.51
IV.SMA1.EHN. ML:0.4 0.00001560284 0.8736 AML other m 2020-02-09T23:46:47.67
IV.TERO.HHE. ML:0.5 0.000011516115 0.0768 AML other m 2020-02-09T23:46:52.01
IV.TERO.HHN. ML:0.6 0.000014531570000000001 0.0768 AML other m 2020-02-09T23:46:52.03
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