Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 08-02-2016 and time 04:47:22 (Italy) in region 1 km W Trevi (PG)

A magnitude ML 2.0 earthquake occured in region: 1 km W Trevi (PG), on

  • 08-02-2016 03:47:22 (UTC)
  • 08-02-2016 04:47:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8820, 12.7330 at 5 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
Trevi PG 1 8469 8469
Montefalco PG 7 5679 14148
Campello sul Clitunno PG 8 2442 16590
Castel Ritaldi PG 8 3278 19868
Foligno PG 9 57155 77023
Bevagna PG 12 5081 82104
Spello PG 13 8645 90749
Giano dell'Umbria PG 14 3846 94595
Gualdo Cattaneo PG 15 6155 100750
Sellano PG 16 1079 101829
Spoleto PG 16 38218 140047
Vallo di Nera PG 16 364 140411
Cerreto di Spoleto PG 17 1075 141486
Cannara PG 18 4305 145791
Sant'Anatolia di Narco PG 19 564 146355
Valtopina PG 20 1398 147753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km S of Foligno (57155 inhabitants)
36 Km N of Terni (111501 inhabitants)
38 Km SE of Perugia (166134 inhabitants)
73 Km NE of Viterbo (67173 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
83 Km W of Teramo (54892 inhabitants)
95 Km SE of Arezzo (99543 inhabitants)
98 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 2.0 2016-02-08
03:47:22		 42.8817 12.7327 5 2016-05-17
13:17:22		 Bollettino Sismico Italiano INGV 23436451
Reviewed
Rev100 		ML 2.0 2016-02-08
03:47:22		 42.8818 12.734 5 2016-02-08
03:51:58		 Sala Sismica INGV-Roma 23410271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-02-08 03:47:22 ± 0.08
Latitude 42.8817 ± 0.0027
Longitude 12.7327 ± 0.0049
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23436451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73744
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 23436451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-02-09 17:43:09

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 23410271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-02-08 03:51:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GATE.HHZ. 2016-02-08T03:47:57.06 3.0 negative manual Pn 1.43 0
IV.NARO.HHZ. 2016-02-08T03:47:48.79 0.3 undecidable manual S 351 81.8514 50 0.8 55
IV.PIEI.HHZ. 2016-02-08T03:47:46.39 0.3 undecidable manual S 348 74.2701 50 0.41 65
IV.SRES.HHZ. 2016-02-08T03:47:46.55 0.6 undecidable manual S 194 73.7706 50 0.7 39
IV.GIUL.HHZ. 2016-02-08T03:47:45.29 3.0 undecidable manual P -0.2 0
IV.ARVD.HHZ. 2016-02-08T03:47:45.53 0.1 undecidable manual S 14 70.4739 50 0.58 83
IV.SSFR.HHZ. 2016-02-08T03:47:42.66 0.1 undecidable manual S 4 61.6938 50 0.05 95
IV.ATVO.HHZ. 2016-02-08T03:47:42.95 0.1 undecidable manual S 335 61.494 50 0.39 89
IV.ATVA.EHE. 2016-02-08T03:47:41.12 0.3 undecidable manual S 321 56.9985 50 -0.25 69
IV.RM33.EHZ. 2016-02-08T03:47:41.06 0.1 undecidable manual S 136 56.9985 50 -0.31 91
IV.GUMA.HHZ. 2016-02-08T03:47:40.59 0.1 undecidable manual S 67 52.9026 50 0.33 91
IV.MURB.HHZ. 2016-02-08T03:47:38.35 0.1 undecidable manual S 338 45.5211 97 0.06 98
IV.SNTG.HHZ. 2016-02-08T03:47:37.80 0.1 undecidable manual S 22 44.7219 97 -0.21 95
IV.ATTE.HHN. 2016-02-08T03:47:37.81 0.3 undecidable manual S 319 46.62 50 -0.79 60
IV.CSP1.EHZ. 2016-02-08T03:47:37.54 0.1 undecidable manual S 59 44.8218 97 -0.51 89
IV.NARO.HHZ. 2016-02-08T03:47:37.06 0.3 undecidable manual P 351 81.8514 50 -0.11 68
IV.LNSS.HHZ. 2016-02-08T03:47:36.47 0.1 undecidable manual S 141 39.8268 97 0.16 97
IV.ARVD.HHZ. 2016-02-08T03:47:35.10 0.1 undecidable manual P 14 70.4739 50 -0.31 89
IV.TERO.HHZ. 2016-02-08T03:47:35.97 0.3 undecidable manual P 112 76.5678 50 -0.39 65
IV.SRES.HHZ. 2016-02-08T03:47:35.58 0.1 undecidable manual P 194 73.7706 50 -0.35 88
IV.SACS.HHZ. 2016-02-08T03:47:35.27 0.1 undecidable manual P 267 66.9774 50 0.38 88
IV.PIEI.HHZ. 2016-02-08T03:47:35.88 0.1 undecidable manual P 348 74.2701 50 -0.13 92
IV.CESX.HHZ. 2016-02-08T03:47:34.07 0.1 undecidable manual S 201 32.5452 99 0.25 97
IV.FDMO.HHZ. 2016-02-08T03:47:34.28 0.1 undecidable manual S 59 33.5442 99 0.12 99
IV.ATCC.EHZ. 2016-02-08T03:47:34.83 0.1 undecidable manual S 347 34.5432 99 0.34 95
IV.NRCA.HHZ. 2016-02-08T03:47:33.94 0.3 undecidable manual S 100 31.4463 99 0.48 69
IV.RM33.EHZ. 2016-02-08T03:47:33.06 0.1 undecidable manual P 136 56.9985 50 -0.29 92
IV.SSFR.HHZ. 2016-02-08T03:47:33.48 0.1 undecidable manual P 4 61.6938 50 -0.58 84
IV.ATVA.EHE. 2016-02-08T03:47:33.16 0.1 undecidable manual P 321 56.9985 50 -0.19 93
IV.ATVO.HHZ. 2016-02-08T03:47:33.69 0.1 undecidable manual P 335 61.494 50 -0.34 90
IV.GUMA.HHZ. 2016-02-08T03:47:32.89 0.1 undecidable manual P 67 52.9026 50 0.18 94
IV.MGAB.HHZ. 2016-02-08T03:47:32.29 0.1 undecidable manual P 274 50.5161 50 -0.06 97
IV.MURB.HHZ. 2016-02-08T03:47:31.60 0.3 undecidable manual P 338 45.5211 97 0.03 74
IV.SNTG.HHZ. 2016-02-08T03:47:31.00 0.1 undecidable manual P 22 44.7219 97 -0.4 91
IV.ATTE.HHN. 2016-02-08T03:47:31.66 0.1 undecidable manual P 319 46.62 50 -0.09 97
IV.CSP1.EHZ. 2016-02-08T03:47:31.25 0.1 undecidable manual P 59 44.8218 97 -0.18 96
IV.LNSS.HHZ. 2016-02-08T03:47:30.34 0.1 undecidable manual P 141 39.8268 97 -0.09 98
IV.ATCC.EHZ. 2016-02-08T03:47:29.58 0.1 undecidable manual P 347 34.5432 99 0.2 97
IV.CESX.HHZ. 2016-02-08T03:47:29.07 0.1 undecidable manual P 201 32.5452 99 0.08 100
IV.FDMO.HHZ. 2016-02-08T03:47:29.43 0.1 positive manual P 59 33.5442 99 0.25 96
IV.NRCA.HHZ. 2016-02-08T03:47:28.98 0.1 undecidable manual P 100 31.4463 99 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:2.2 0.000764 0.56 AML other m 2016-02-08T03:47:36.24
IV.ATCC.EHN. ML:2.1 0.000587 0.42 AML other m 2016-02-08T03:47:36.76
IV.ATVO.HHE. ML:1.8 0.00011835 1.46 AML other m 2016-02-08T03:47:45.84
IV.ATVO.HHN. ML:1.7 0.00010400000000000001 1.38 AML other m 2016-02-08T03:47:47.09
IV.CESX.HHE. ML:1.9 0.00039749999999999996 0.88 AML other m 2016-02-08T03:47:35.35
IV.CESX.HHN. ML:1.9 0.0003815 0.46 AML other m 2016-02-08T03:47:37.54
IV.FDMO.HHE. ML:1.9 0.00036150000000000006 0.3 AML other m 2016-02-08T03:47:34.73
IV.FDMO.HHN. ML:1.9 0.00033 1.1 AML other m 2016-02-08T03:47:36.55
IV.GIUL.HHE. ML:2.2 0.00008430000000000002 1.58 AML other m 2016-02-08T03:47:50.38
IV.GIUL.HHN. ML:2.4 0.0001157 1.58 AML other m 2016-02-08T03:47:52.40
IV.GUMA.HHN. ML:2.3 0.000544 0.22 AML other m 2016-02-08T03:47:41.05
IV.GUMA.HHE. ML:2.4 0.000561 0.22 AML other m 2016-02-08T03:47:41.06
IV.LNSS.HHN. ML:1.9 0.00029400000000000004 0.6 AML other m 2016-02-08T03:47:39.06
IV.LNSS.HHE. ML:1.8 0.0002525 0.72 AML other m 2016-02-08T03:47:40.38
IV.MGAB.HHN. ML:1.7 0.000141 0.4 AML other m 2016-02-08T03:47:42.11
IV.MGAB.HHE. ML:1.7 0.00014085 1.48 AML other m 2016-02-08T03:47:48.61
IV.NRCA.HHN. ML:2.0 0.00044 0.14 AML other m 2016-02-08T03:47:35.46
IV.NRCA.HHE. ML:2.0 0.0004335 1.08 AML other m 2016-02-08T03:47:36.17
IV.NRCA.HNE. ML:2.0 0.00042300000000000004 0.62 AML other m 2016-02-08T03:47:36.17
IV.NRCA.HNN. ML:2.0 0.0004725 1.26 AML other m 2016-02-08T03:47:38.57
IV.PIEI.HHE. ML:2.0 0.00013900000000000002 0.82 AML other m 2016-02-08T03:47:48.25
IV.PIEI.HHN. ML:1.7 0.00007975 1.34 AML other m 2016-02-08T03:47:49.36
IV.SNTG.HHE. ML:1.6 0.00010835 1.42 AML other m 2016-02-08T03:47:42.85
IV.SNTG.HHN. ML:1.7 0.0001625 1.46 AML other m 2016-02-08T03:47:39.90
IV.SSFR.HHN. ML:2.2 0.0003585 0.2 AML other m 2016-02-08T03:47:44.75
IV.SSFR.HHE. ML:2.3 0.0003835 0.18 AML other m 2016-02-08T03:47:44.29
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
Waveforms Seismic signals in miniseed + resp format Download