Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 24-08-2016 and time 04:18:01 (Italy) in region 6 km E Norcia (PG)

A magnitude ML 2.0 earthquake occured in region: 6 km E Norcia (PG), on

  • 24-08-2016 02:18:01 (UTC)
  • 24-08-2016 04:18:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7830, 13.1660 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.

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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
Norcia PG 6 4957 4957
Arquata del Tronto AP 11 1178 6135
Accumoli RI 12 667 6802
Castelsantangelo sul Nera MC 13 281 7083
Cascia PG 14 3217 10300
Preci PG 15 724 11024
Montegallo AP 15 523 11547
Visso MC 18 1107 12654
Ussita MC 18 444 13098
Cittareale RI 18 482 13580
Montemonaco AP 19 604 14184
Amatrice RI 20 2657 16841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
52 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)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
97 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 2.0 2016-08-24
02:18:01		 42.7828 13.1663 10 2016-10-06
10:10:59		 Bollettino Sismico Italiano INGV 28903691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-24 02:18:01 ± 0.1
Latitude 42.7828 ± 0.0036
Longitude 13.1663 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 28903691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 534
Semi-minor axis of confidence ellipse (meter) 333
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.19875
Epicentral distance of station farthest from the epicenter (degree) 0.41009
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 28903691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-09-16 16:36:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHZ. 2016-08-24T02:18:15.33 0.3 undecidable manual S 235 39.7269 50 0.35 68
IV.TERO.HHN. 2016-08-24T02:18:14.86 0.6 undecidable manual S 116 39.8268 50 -0.15 47
IV.GUMA.HNN. 2016-08-24T02:18:13.96 0.3 undecidable manual S 24 33.9438 50 0.52 66
IV.CESI.HHZ. 2016-08-24T02:18:13.02 0.3 undecidable manual S 319 32.5452 50 -0.04 73
IV.CAMP.HHZ. 2016-08-24T02:18:13.26 0.3 undecidable manual S 144 33.8439 50 -0.14 72
IV.RM33.EHZ. 2016-08-24T02:18:12.90 0.6 undecidable manual S 173 30.6471 50 0.35 46
IV.FDMO.HHZ. 2016-08-24T02:18:11.64 0.3 undecidable manual S 347 28.8489 50 -0.44 68
IV.OFFI.HHZ. 2016-08-24T02:18:10.85 0.3 undecidable manual P 68 45.5211 50 0.59 63
IV.LNSS.HHZ. 2016-08-24T02:18:10.28 0.3 undecidable manual S 207 22.4553 114 0.02 75
IV.FEMA.HNE. 2016-08-24T02:18:10.02 0.6 undecidable manual S 335 22.0668 115 -0.1 49
IV.ARRO.EHZ. 2016-08-24T02:18:09.38 0.6 undecidable manual P 235 39.7269 50 0.01 48
IV.TERO.HHN. 2016-08-24T02:18:09.07 0.3 undecidable manual P 116 39.8268 50 -0.32 68
IV.GUMA.HNN. 2016-08-24T02:18:08.58 0.3 undecidable manual P 24 33.9438 50 0.1 72
IV.CESI.HHZ. 2016-08-24T02:18:08.13 0.3 undecidable manual P 319 32.5452 50 -0.13 72
IV.CAMP.HHZ. 2016-08-24T02:18:08.24 0.3 undecidable manual P 144 33.8439 50 -0.22 70
IV.FDMO.HHZ. 2016-08-24T02:18:07.39 0.3 undecidable manual P 347 28.8489 50 -0.31 70
IV.RM33.EHZ. 2016-08-24T02:18:07.80 0.3 undecidable manual P 173 30.6471 50 -0.17 72
IV.FEMA.HNE. 2016-08-24T02:18:06.79 0.3 undecidable manual P 335 22.0668 115 0.22 72
IV.LNSS.HHZ. 2016-08-24T02:18:06.64 0.1 undecidable manual P 207 22.4553 114 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.9 0.00031176760000000005 0.3488 AML other m 2016-08-24T02:18:17.81
IV.CESI.HHN. ML:2.5 0.0013678917 0.28 AML other m 2016-08-24T02:18:13.45
IV.FDMO.HHN. ML:2.0 0.0005014611 0.264 AML other m 2016-08-24T02:18:11.99
IV.LNSS.HHN. ML:2.8 0.004173752 0.2944 AML other m 2016-08-24T02:18:10.54
IV.RM33.HNN. ML:1.7 0.00022998860000000005 0.1936 AML other m 2016-08-24T02:18:12.81
IV.RM33.EHN. ML:1.9 0.00033753870000000004 0.1424 AML other m 2016-08-24T02:18:12.82
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