Earthquake with magnitude of ML 1.0 on date 31-08-2016 and time 03:00:43 (Italy) in region 2 km NW Campotosto (AQ)

A magnitude ML 1.0 earthquake occured in region: 2 km NW Campotosto (AQ), on

  • 31-08-2016 01:00:43 (UTC)
  • 31-08-2016 03:00:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5680, 13.3480 at 0 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
Campotosto AQ 2 542 542
Capitignano AQ 7 665 1207
Amatrice RI 8 2657 3864
Montereale AQ 10 2581 6445
Crognaleto TE 11 1297 7742
Barete AQ 14 737 8479
Cortino TE 15 656 9135
Pizzoli AQ 15 4326 13461
Fano Adriano TE 16 296 13757
Cagnano Amiterno AQ 16 1369 15126
Cittareale RI 16 482 15608
Accumoli RI 16 667 16275
Pietracamela TE 18 271 16546
Borbona RI 19 617 17163
Rocca Santa Maria TE 20 537 17700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
72 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km SE of Perugia (166134 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 1.0 2016-08-31
01:00:43
42.5682 13.3482 0 2016-08-31
01:20:07
Sala Sismica INGV-Roma 27774561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-31 01:00:43 ± 0.28
Latitude 42.5682 ± 0.0135
Longitude 13.3482 ± 0.0134
Depth (km) 0 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 27774561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1500
Semi-minor axis of confidence ellipse (meter) 1090
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 1500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31566
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations 3
Type of magnitude ML
Reference to an origin 27774561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-31 01:20:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1215.EHZ. 2016-08-31T01:00:54.99 3.0 undecidable manual S -0.16 0
IV.TERO.HHZ. 2016-08-31T01:00:51.33 0.6 undecidable manual S 74 21.7671 91 0.35 47
IV.NRCA.HHZ. 2016-08-31T01:00:51.33 0.1 undecidable manual P 327 35.0427 91 0.87 76
IV.T1243.HHZ. 2016-08-31T01:00:48.74 0.6 undecidable manual S 30 16.3725 91 -0.39 47
IV.TERO.HHZ. 2016-08-31T01:00:47.74 0.1 undecidable manual P 74 21.7671 91 -0.05 100
IV.LNSS.HHZ. 2016-08-31T01:00:47.79 1.0 undecidable manual P 279 25.4523 91 -0.74 21
IV.T1243.HHZ. 2016-08-31T01:00:46.26 1.0 undecidable manual P 30 16.3725 91 -0.46 23
IV.T1202.EHZ. 2016-08-31T01:00:46.10 1.0 undecidable manual P 326 18.0708 91 -0.95 19
IV.SMA1.EHZ. 2016-08-31T01:00:45.95 0.6 undecidable manual S 351 6.993 93 0.09 51
IV.RM33.EHZ. 2016-08-31T01:00:45.97 0.6 negative manual P 239 12.7761 92 -0.02 51
IV.T1299.EHZ. 2016-08-31T01:00:44.52 1.0 undecidable manual P 324 9.0798 92 -0.73 21
IV.SMA1.EHZ. 2016-08-31T01:00:44.67 1.0 undecidable manual P 351 6.993 93 -0.16 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.0 0.00014685000000000002 1.24 AML other m 2016-08-31T01:01:47.43
IV.RM33.EHE. ML:1.0 0.00013800000000000002 0.68 AML other m 2016-08-31T01:01:47.87
IV.T1299.HNE. ML:1.7 0.0008105 0.18 AML other m 2016-08-31T01:01:44.67
IV.TERO.HHN. ML:1.0 0.0000797 0.08 AML other m 2016-08-31T01:01:50.40
IV.TERO.HHE. ML:1.1 0.00009125 0.28 AML other m 2016-08-31T01:01:51.00
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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