Earthquake with magnitude of ML 1.5 on date 22-10-2018 and time 06:11:37 (Italy) in region 2 km SE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km SE Norcia (PG), on

  • 22-10-2018 04:11:37 (UTC)
  • 22-10-2018 06:11:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7780, 13.1010 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 2 4957 4957
Cascia PG 10 3217 8174
Preci PG 12 724 8898
Castelsantangelo sul Nera MC 14 281 9179
Accumoli RI 15 667 9846
Poggiodomo PG 15 117 9963
Cerreto di Spoleto PG 16 1075 11038
Arquata del Tronto AP 16 1178 12216
Visso MC 17 1107 13323
Cittareale RI 18 482 13805
Monteleone di Spoleto PG 19 599 14404
Sellano PG 19 1079 15483
Ussita MC 19 444 15927
Vallo di Nera PG 19 364 16291

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 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 1.5 2018-10-22
04:11:37
42.7778 13.1008 10 2019-06-04
09:15:58
Bollettino Sismico Italiano INGV 62295971
Reviewed
Rev100
ML 1.5 2018-10-22
04:11:37
42.7793 13.0982 11 2018-10-22
04:17:45
Sala Sismica INGV-Roma 62190331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-22 04:11:37 ± 0.04
Latitude 42.7778 ± 0.0018
Longitude 13.1008 ± 0.0037
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 62295971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 244
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
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) 41
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55128
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 62295971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-25 10:08:33

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 62190331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-22 04:17:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRES.HHZ. 2018-10-22T04:12:05.58 3.0 undecidable manual P 2.91 0
IV.EL6.EHZ. 2018-10-22T04:11:57.04 0.3 undecidable manual S 0 61.1943 50 0.73 57
IV.MTCE.HHZ. 2018-10-22T04:11:53.97 3.0 negative manual P 0.72 0
IV.CESX.HHE. 2018-10-22T04:11:52.45 0.6 undecidable manual S 246 45.9207 50 0.2 45
IV.ASSB.HHZ. 2018-10-22T04:11:52.33 0.3 undecidable manual S 309 46.4202 50 -0.04 70
IV.TERO.HHZ. 2018-10-22T04:11:51.98 0.3 undecidable manual S 113 44.5221 50 0.12 69
IV.MOMA.HNZ. 2018-10-22T04:11:51.84 0.3 undecidable manual S 274 43.3233 50 0.3 67
IV.ARRO.EHZ. 2018-10-22T04:11:49.28 0.3 undecidable manual S 231 35.1426 50 -0.08 71
IV.RM33.EHZ. 2018-10-22T04:11:48.10 0.3 undecidable manual S 163 31.2465 50 -0.22 69
IV.EL6.EHZ. 2018-10-22T04:11:48.26 0.3 undecidable manual P 0 61.1943 50 -0.01 69
IV.SMA1.EHZ. 2018-10-22T04:11:47.02 0.3 undecidable manual S 130 25.1526 112 0.34 68
IV.FDMO.HHZ. 2018-10-22T04:11:47.44 0.3 undecidable manual S 358 28.749 50 -0.21 70
IV.CESI.HHZ. 2018-10-22T04:11:47.67 0.3 undecidable manual S 328 29.8479 50 -0.27 69
IV.MTRA.EHZ. 2018-10-22T04:11:46.21 0.3 undecidable manual S 95 24.1536 112 -0.16 71
IV.CESX.HHE. 2018-10-22T04:11:46.41 0.1 undecidable manual P 246 45.9207 50 0.49 85
IV.TERO.HHZ. 2018-10-22T04:11:45.48 0.3 undecidable manual P 113 44.5221 50 -0.22 68
IV.MOMA.HNZ. 2018-10-22T04:11:45.65 0.3 undecidable manual P 274 43.3233 50 0.13 69
IV.T1299.HNZ. 2018-10-22T04:11:45.88 0.3 undecidable manual S 137 21.7671 115 0.29 70
IV.ASSB.HHZ. 2018-10-22T04:11:45.72 0.1 undecidable manual P 309 46.4202 50 -0.28 89
IV.FEMA.HNZ. 2018-10-22T04:11:45.24 0.3 undecidable manual S 349 20.868 116 -0.07 73
IV.MMO1.EHZ. 2018-10-22T04:11:45.81 0.3 undecidable manual S 54 22.755 114 -0.12 72
IV.MC2.EHZ. 2018-10-22T04:11:44.39 0.3 undecidable manual S 26 16.4724 121 0.42 68
IV.GAVE.EHZ. 2018-10-22T04:11:44.73 0.3 undecidable manual S 241 19.3695 117 -0.11 73
IV.ARRO.EHZ. 2018-10-22T04:11:44.36 0.6 undecidable manual P 231 35.1426 50 0.1 47
IV.LNSS.HHZ. 2018-10-22T04:11:44.83 0.3 undecidable manual S 194 20.0688 117 -0.23 71
IV.FDMO.HHZ. 2018-10-22T04:11:43.07 0.1 undecidable manual P 358 28.749 50 -0.2 93
IV.CESI.HHZ. 2018-10-22T04:11:43.28 0.1 undecidable manual P 328 29.8479 50 -0.16 94
IV.RM33.EHZ. 2018-10-22T04:11:43.38 0.3 undecidable manual P 163 31.2465 50 -0.28 69
IV.MMO1.EHZ. 2018-10-22T04:11:42.23 0.3 undecidable manual P 54 22.755 114 -0.05 73
IV.MTRA.EHZ. 2018-10-22T04:11:42.37 0.1 undecidable manual P 95 24.1536 112 -0.16 95
IV.T1299.HNZ. 2018-10-22T04:11:42.19 0.1 undecidable manual P 137 21.7671 115 0.11 96
IV.SMA1.EHZ. 2018-10-22T04:11:42.62 0.3 undecidable manual P 130 25.1526 112 -0.09 72
IV.GAVE.EHZ. 2018-10-22T04:11:41.71 0.3 undecidable manual P 241 19.3695 117 0.06 73
IV.FEMA.HNZ. 2018-10-22T04:11:41.96 0.3 undecidable manual P 349 20.868 116 0.04 73
IV.NRCA.HHZ. 2018-10-22T04:11:41.10 0.3 undecidable manual S 10 6.2937 148 -0.28 72
IV.LNSS.HHZ. 2018-10-22T04:11:41.73 0.3 undecidable manual P 194 20.0688 117 -0.04 73
IV.MC2.EHZ. 2018-10-22T04:11:41.34 0.1 undecidable manual P 26 16.4724 121 0.19 96
IV.NRCA.HHZ. 2018-10-22T04:11:39.71 0.1 undecidable manual P 10 6.2937 148 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.4 0.0000751 0.42 AML other m 2018-10-22T04:11:50.41
IV.GAVE.EHN. ML:1.7 0.00034399999999999996 0.18 AML other m 2018-10-22T04:11:45.78
IV.GAVE.EHE. ML:1.6 0.000336 1.72 AML other m 2018-10-22T04:11:45.97
IV.MTRA.EHE. ML:1.7 0.000286 0.42 AML other m 2018-10-22T04:11:47.98
IV.FDMO.HHN. ML:1.4 0.0001385 0.8 AML other m 2018-10-22T04:11:48.01
IV.MTRA.EHN. ML:1.5 0.0001855 0.44 AML other m 2018-10-22T04:11:48.19
IV.RM33.EHN. ML:1.6 0.00020250000000000002 1.08 AML other m 2018-10-22T04:11:48.45
IV.SMA1.EHN. ML:1.7 0.00029400000000000004 0.54 AML other m 2018-10-22T04:11:49.55
IV.FDMO.HHE. ML:1.3 0.00011105 0.92 AML other m 2018-10-22T04:11:49.25
IV.RM33.EHE. ML:1.4 0.00011700000000000001 0.24 AML other m 2018-10-22T04:11:50.23
IV.SMA1.EHE. ML:1.6 0.00022449999999999998 0.36 AML other m 2018-10-22T04:11:50.85
IV.ASSB.HHE. ML:1.5 0.0000833 0.72 AML other m 2018-10-22T04:11:54.11
IV.CESI.HHN. ML:1.5 0.00016089435000000003 0.16 AML other m 2018-10-22T04:11:47.94
IV.CESI.HHE. ML:1.3 0.000104885745 0.1024 AML other m 2018-10-22T04:11:48.64
IV.TERO.HHN. ML:1.3 0.00005552282 0.08 AML other m 2018-10-22T04:11:52.08
IV.TERO.HHE. ML:1.2 0.00005135645 1.0592 AML other m 2018-10-22T04:11:52.40
IV.EL6.EHN. ML:1.8 0.00012924015 2.16 AML other m 2018-10-22T04:11:55.43
IV.EL6.EHE. ML:1.9 0.0001499874 3.1616 AML other m 2018-10-22T04:11:59.88
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