Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 24-10-2016 and time 07:02:33 (Italy) in region 4 km N Cittareale (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km N Cittareale (RI), on

  • 24-10-2016 05:02:33 (UTC)
  • 24-10-2016 07:02:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6540, 13.1730 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Cittareale RI 4 482 482
Accumoli RI 8 667 1149
Amatrice RI 10 2657 3806
Cascia PG 15 3217 7023
Montereale AQ 16 2581 9604
Posta RI 16 694 10298
Borbona RI 16 617 10915
Arquata del Tronto AP 17 1178 12093
Norcia PG 17 4957 17050
Monteleone di Spoleto PG 18 599 17649
Capitignano AQ 18 665 18314
Campotosto AQ 19 542 18856
Leonessa RI 20 2435 21291

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
44 Km W of Teramo (54892 inhabitants)
44 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
88 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
91 Km E of Viterbo (67173 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
Reviewed
Rev100 		ML 1.2 2016-10-24
05:02:33		 42.654 13.1732 16 2016-10-24
05:06:52		 Sala Sismica INGV-Roma 30501181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-24 05:02:33 ± 0.1
Latitude 42.6540 ± 0.0036
Longitude 13.1732 ± 0.0037
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30501181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 119
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 30501181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-24 05:06:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2016-10-24T05:02:55.99 3.0 undecidable manual S 0.61 0
IV.T1215.EHZ. 2016-10-24T05:02:44.14 0.6 undecidable manual S 304 29.748 105 -0.15 64
IV.T1211.EHZ. 2016-10-24T05:02:44.06 0.6 undecidable manual S 243 29.2485 106 -0.1 64
IV.T1217.EHZ. 2016-10-24T05:02:42.04 0.6 undecidable manual S 288 20.7681 115 0.01 67
IV.T1243.HHZ. 2016-10-24T05:02:42.32 0.6 undecidable manual S 78 22.9548 112 -0.24 64
IV.RM33.EHZ. 2016-10-24T05:02:40.89 0.6 undecidable manual S 168 16.4724 123 -0.13 66
IV.T1215.EHZ. 2016-10-24T05:02:40.09 1.0 negative manual P 304 29.748 105 0.27 31
IV.LNSS.HHZ. 2016-10-24T05:02:40.12 0.6 undecidable manual S 242 12.2766 134 -0.03 68
IV.SMA1.EHZ. 2016-10-24T05:02:40.49 0.6 undecidable manual S 101 13.4754 131 0.1 66
IV.T1211.EHZ. 2016-10-24T05:02:39.70 1.0 undecidable manual P 243 29.2485 106 -0.04 32
IV.MMO1.EHZ. 2016-10-24T05:02:39.81 3.0 undecidable manual P -0.01 0
IV.T1243.HHZ. 2016-10-24T05:02:38.80 0.6 undecidable manual P 78 22.9548 112 -0.02 67
IV.RM33.EHZ. 2016-10-24T05:02:38.07 0.6 undecidable manual P 168 16.4724 123 0.14 66
IV.T1217.EHZ. 2016-10-24T05:02:38.63 1.0 negative manual P 288 20.7681 115 0.12 33
IV.LNSS.HHZ. 2016-10-24T05:02:37.54 0.3 undecidable manual P 242 12.2766 134 0.11 100
IV.SMA1.EHZ. 2016-10-24T05:02:37.68 1.0 negative manual P 101 13.4754 131 0.11 33
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.0 0.0000746 0.24 AML other m 2016-10-24T05:02:40.52
IV.LNSS.HHN. ML:1.2 0.0001181 0.88 AML other m 2016-10-24T05:02:40.32
IV.T1211.HNE. ML:1.4 0.00011374999999999999 1.58 AML other m 2016-10-24T05:03:00.64
IV.T1211.HNN. ML:1.5 0.000129175 1.58 AML other m 2016-10-24T05:03:02.65
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