Earthquake with magnitude of ML 0.2 on date 13-09-2016 and time 07:49:34 (Italy) in region 3 km S Accumoli (RI)

A magnitude ML 0.2 earthquake occured in region: 3 km S Accumoli (RI), on

  • 13-09-2016 05:49:34 (UTC)
  • 13-09-2016 07:49:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.67, 13.25 at 12 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
Accumoli RI 3 667 667
Amatrice RI 6 2657 3324
Cittareale RI 9 482 3806
Arquata del Tronto AP 12 1178 4984
Campotosto AQ 16 542 5526
Montereale AQ 16 2581 8107
Capitignano AQ 17 665 8772
Acquasanta Terme AP 18 2916 11688
Norcia PG 19 4957 16645
Borbona RI 20 617 17262
Cascia PG 20 3217 20479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
98 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
Rev 1000 ML 0.2 2016-09-13
05:49:34
42.67 13.25 12 2019-07-19
13:23:13
Bollettino Sismico Italiano INGV 40375111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-13 05:49:34 ± 0.16
Latitude 42.67 ± 0.00
Longitude 13.25 ± 0.01
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 40375111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 383
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 550
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 236
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.2671
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 40375111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-02-02 14:46:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MIDA.HHZ. 2016-09-13T05:49:52.02 3.0 undecidable manual Pn -0.48 0
IV.NARO.HHZ. 2016-09-13T05:49:48.64 3.0 undecidable manual P 0.16 0
IV.TERO.HHZ. 2016-09-13T05:49:44.37 0.6 undecidable manual S 100 0.2671 93 -0.16 46
IV.T1243.HHZ. 2016-09-13T05:49:41.15 0.6 undecidable manual S 79 0.1511 101 0.03 49
IV.TERO.HHZ. 2016-09-13T05:49:40.06 0.6 negative manual P 100 0.2671 93 -0.08 46
IV.T1202.EHZ. 2016-09-13T05:49:38.37 0.1 undecidable manual S 336 0.0387 155 -0.1 99
IV.T1204.EHZ. 2016-09-13T05:49:38.70 0.6 undecidable manual S 82 0.0522 146 0.02 49
IV.T1243.HHZ. 2016-09-13T05:49:38.25 0.6 negative manual P 79 0.1511 101 0.08 49
IV.T1202.EHZ. 2016-09-13T05:49:36.65 0.1 undecidable manual P 336 0.0387 155 0 100
IV.T1204.EHZ. 2016-09-13T05:49:36.96 0.3 undecidable manual P 82 0.0522 146 0.19 72
IV.LNSS.HHZ. 2016-09-13T05:49:31.25 3.0 undecidable manual P -0.2 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:0 5.9108535E-6 0.0992 AML other m 2016-09-13T05:49:44.69
IV.TERO.HHN. ML:0.3 9.011334E-6 0.0576 AML other m 2016-09-13T05:49:44.52
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download