Earthquake with magnitude of Md 0.9 on date 27-09-2016 and time 21:16:23 (UTC) in region 6 km NW Montereale (AQ)

A magnitude Md 0.9 earthquake occured in region: 6 km NW Montereale (AQ), on

  • 27-09-2016 21:16:23 (UTC)
  • 27-09-2016 23:16:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5680, 13.2120 at 2 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montereale AQ 6 2581 2581
Cittareale RI 7 482 3063
Borbona RI 9 617 3680
Capitignano AQ 9 665 4345
Amatrice RI 9 2657 7002
Posta RI 11 694 7696
Cagnano Amiterno AQ 12 1369 9065
Campotosto AQ 13 542 9607
Barete AQ 14 737 10344
Accumoli RI 15 667 11011
Pizzoli AQ 16 4326 15337
Micigliano RI 18 127 15464
Antrodoco RI 20 2588 18052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
82 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
96 Km NE of Roma (2864731 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
Md 0.9 2016-09-27
21:16:23
42.5683 13.2122 2 2016-09-27
21:25:04
Sala Sismica INGV-Roma 29614091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-27 21:16:23 ± 1.08
Latitude 42.5683 ± 0.0423
Longitude 13.2122 ± 0.0513
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 29614091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4883
Semi-minor axis of confidence ellipse (meter) 3988
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 4880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 285
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.67
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 4
Magnitude information

Md:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 3
Type of magnitude Md
Reference to an origin 29614091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-27 21:25:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CLTB.HHZ. 2016-09-27T21:17:39.10 3.0 undecidable manual Pg -2.37 0
IV.SPS2.HHZ. 2016-09-27T21:17:30.31 3.0 negative manual Pg 1.7 0
OX.VARN.HHZ. 2016-09-27T21:17:19.14 3.0 positive manual Pg 0.53 0
IV.ARVD.HHZ. 2016-09-27T21:16:34.32 3.0 undecidable manual P -7.79 0
IV.T1243.HHZ. 2016-09-27T21:16:31.48 0.6 undecidable manual S 54 23.9538 94 -0.71 42
XO.AM05.EHZ. 2016-09-27T21:16:30.93 3.0 positive manual P -0.93 0
IV.TERO.HHZ. 2016-09-27T21:16:30.20 0.3 undecidable manual P 79 32.5452 93 -0.18 72
IV.T1204.EHZ. 2016-09-27T21:16:29.25 0.6 undecidable manual S 36 14.6742 97 0.28 49
IV.T1243.HHZ. 2016-09-27T21:16:28.74 0.1 undecidable manual P 54 23.9538 94 0.08 100
IV.T1204.EHZ. 2016-09-27T21:16:27.57 0.1 undecidable manual P 36 14.6742 97 0.76 84
IV.T1202.EHZ. 2016-09-27T21:16:26.42 0.1 undecidable manual P 4 14.9739 96 -0.46 94
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