Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 27-10-2016 and time 16:10:42 (Italy) in region 3 km SE Preci (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km SE Preci (PG), on

  • 27-10-2016 14:10:42 (UTC)
  • 27-10-2016 16:10:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8560, 13.0620 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.

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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
Preci PG 3 724 724
Norcia PG 7 4957 5681
Castelsantangelo sul Nera MC 9 281 5962
Visso MC 9 1107 7069
Sellano PG 12 1079 8148
Ussita MC 12 444 8592
Cerreto di Spoleto PG 13 1075 9667
Cascia PG 16 3217 12884
Monte Cavallo MC 16 145 13029
Vallo di Nera PG 19 364 13393
Poggiodomo PG 19 117 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
99 Km N of Guidonia Montecelio (88673 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 1.8 2016-10-27
14:10:42		 42.856 13.0623 11 2019-02-12
14:01:31		 Bollettino Sismico Italiano INGV 54049711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-27 14:10:42 ± 0.07
Latitude 42.8560 ± 0.0045
Longitude 13.0623 ± 0.0061
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54049711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 491
Semi-minor axis of confidence ellipse (meter) 162
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 331
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 30
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) 0.64751
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 15
Type of magnitude ML
Reference to an origin 54049711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-02-20 17:01:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2016-10-27T14:11:21.99 3.0 undecidable manual S 0.88 0
IV.RNI2.HHZ. 2016-10-27T14:11:12.91 3.0 undecidable manual P 3.84 0
IV.ARVD.HHZ. 2016-10-27T14:10:55.19 1.0 undecidable manual P 352 71.8725 90 0.08 22
IV.GUMA.HNN. 2016-10-27T14:10:53.10 0.1 undecidable manual S 44 31.8459 90 -0.48 88
IV.LNSS.HHZ. 2016-10-27T14:10:52.20 0.1 undecidable manual S 184 28.1496 90 -0.39 91
XO.AM05.HNZ. 2016-10-27T14:10:52.70 0.6 undecidable manual S 60 27.1506 90 0.38 45
IV.TERO.HHZ. 2016-10-27T14:10:51.95 1.0 undecidable manual P 120 51.1155 90 0.03 23
IV.CESI.HHZ. 2016-10-27T14:10:50.70 0.1 undecidable manual S 322 20.868 90 0.04 99
IV.MMO1.EHZ. 2016-10-27T14:10:50.80 0.6 undecidable manual S 77 22.0668 90 -0.15 48
IV.T1217.EHZ. 2016-10-27T14:10:50.10 0.1 undecidable manual S 214 19.2696 90 -0.1 97
IV.MNTP.HNZ. 2016-10-27T14:10:50.63 0.3 undecidable manual P 46 45.4212 90 -0.41 65
IV.SNTG.HHZ. 2016-10-27T14:10:50.16 0.1 undecidable manual P 347 45.3213 90 -0.87 72
IV.T1215.EHZ. 2016-10-27T14:10:49.50 0.1 undecidable manual S 249 16.872 90 -0.08 97
IV.MDAR.HNN. 2016-10-27T14:10:49.85 0.6 undecidable manual P 10 37.9287 90 -0.03 48
IV.GAG1.HNZ. 2016-10-27T14:10:49.99 3.0 undecidable manual P 0
IV.GUMA.HNN. 2016-10-27T14:10:49.61 0.1 undecidable manual P 44 31.8459 90 0.66 82
IV.SEF1.HNN. 2016-10-27T14:10:49.20 0.3 undecidable manual P 344 33.5442 90 -0.01 72
XO.AM05.HNZ. 2016-10-27T14:10:48.40 0.6 positive manual P 60 27.1506 90 0.18 47
IV.LNSS.HHZ. 2016-10-27T14:10:48.36 0.3 undecidable manual P 184 28.1496 90 -0.01 73
IV.CESI.HHZ. 2016-10-27T14:10:48.14 0.6 undecidable manual P 322 20.868 90 0.88 39
IV.T1201.HNN. 2016-10-27T14:10:48.47 0.6 undecidable manual P 145 26.8509 90 0.29 46
IV.MC2.EHZ. 2016-10-27T14:10:48.20 0.6 undecidable manual S 59 11.9769 108 -0.08 49
IV.T1204.EHZ. 2016-10-27T14:10:48.54 1.0 undecidable manual P 134 28.749 90 0.07 24
IV.T1217.EHZ. 2016-10-27T14:10:47.08 0.1 undecidable manual P 214 19.2696 90 0.08 98
IV.T1245.HHZ. 2016-10-27T14:10:47.80 0.1 undecidable manual S 90 10.1787 118 -0.05 100
IV.MMO1.EHZ. 2016-10-27T14:10:47.58 0.3 undecidable manual P 77 22.0668 90 0.15 72
IV.T1216.EHZ. 2016-10-27T14:10:47.10 0.1 undecidable manual S 317 5.1948 146 0.23 98
IV.FEMA.HNZ. 2016-10-27T14:10:46.92 3.0 undecidable manual P 0
IV.NRCA.HNZ. 2016-10-27T14:10:46.57 0.1 undecidable manual S 121 4.8951 148 -0.26 96
IV.T1215.EHZ. 2016-10-27T14:10:46.90 0.1 undecidable manual P 249 16.872 90 0.26 95
IV.T1245.HHZ. 2016-10-27T14:10:45.87 0.1 undecidable manual P 90 10.1787 118 0.23 96
IV.FDMO.HHZ. 2016-10-27T14:10:45.80 3.0 undecidable manual P 5 19.3695 -1.1 0
IV.MC2.EHZ. 2016-10-27T14:10:45.94 0.6 undecidable manual P 59 11.9769 108 0.05 50
IV.NRCA.HNZ. 2016-10-27T14:10:45.24 0.1 negative manual P 121 4.8951 148 0.19 98
IV.T1216.EHZ. 2016-10-27T14:10:44.82 0.3 undecidable manual P 317 5.1948 146 -0.25 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:1.5 0.00008831722 0.096 AML other m 2016-10-27T14:10:55.49
IV.NRCA.HNN. ML:2.0 0.00172651395 0.0704 AML other m 2016-10-27T14:10:46.64
IV.NRCA.HHN. ML:2.1 0.001963344 0.064 AML other m 2016-10-27T14:10:46.63
IV.NRCA.HHE. ML:2.1 0.001835021 0.064 AML other m 2016-10-27T14:10:46.61
IV.FDMO.HHE. ML:2.8 0.004848034500000001 0.1408 AML other m 2016-10-27T14:10:46.43
IV.T1245.HHN. ML:1.9 0.0010149364999999999 0.096 AML other m 2016-10-27T14:10:48.22
IV.T1245.HNE. ML:1.8 0.00079065765 0.1408 AML other m 2016-10-27T14:10:48.58
IV.T1245.HNN. ML:1.9 0.00103156925 0.1024 AML other m 2016-10-27T14:10:48.22
IV.T1245.HHE. ML:1.8 0.0007652685999999999 0.1408 AML other m 2016-10-27T14:10:48.58
IV.T1217.EHE. ML:1.1 0.00008620850000000013 0.128 AML other m 2016-10-27T14:10:50.94
IV.T1217.EHN. ML:1.2 0.00010660350000000007 0.2048 AML other m 2016-10-27T14:10:50.68
IV.SNTG.HHN. ML:1.5 0.00008875152 0.1408 AML other m 2016-10-27T14:10:55.36
IV.FDMO.HHN. ML:2.7 0.0036175045 0.0832 AML other m 2016-10-27T14:10:46.47
IV.T1217.HNE. ML:1.2 0.00011943575000000001 0.2752 AML other m 2016-10-27T14:10:52.16
IV.T1204.EHE. ML:1.6 0.0001905469 0.1984 AML other m 2016-10-27T14:10:54.07
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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