Earthquake with magnitude of ML 0.7 on date 24-12-2016 and time 19:08:21 (Italy) in region 4 km SW Campotosto (AQ)

A magnitude ML 0.7 earthquake occured in region: 4 km SW Campotosto (AQ), on

  • 24-12-2016 18:08:21 (UTC)
  • 24-12-2016 19:08:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5260, 13.3560 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
Campotosto AQ 4 542 542
Capitignano AQ 5 665 1207
Montereale AQ 9 2581 3788
Barete AQ 10 737 4525
Crognaleto TE 11 1297 5822
Pizzoli AQ 11 4326 10148
Amatrice RI 13 2657 12805
Cagnano Amiterno AQ 13 1369 14174
Fano Adriano TE 15 296 14470
Pietracamela TE 16 271 14741
Cortino TE 17 656 15397
Borbona RI 18 617 16014
Scoppito AQ 19 3727 19741
Cittareale RI 19 482 20223
L'Aquila AQ 20 69753 89976

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
71 Km W of Pescara (121014 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
78 Km NE of Guidonia Montecelio (88673 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 0.7 2016-12-24
18:08:21
42.526 13.3557 2 2016-12-24
18:15:28
Sala Sismica INGV-Roma 37594421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-24 18:08:21 ± 0.07
Latitude 42.5260 ± 0.0027
Longitude 13.3557 ± 0.0037
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 37594421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 134
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18346
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 37594421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-24 18:15:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1243.HHZ. 2016-12-24T18:08:28.40 0.1 undecidable manual S 22 20.3685 96 0.02 98
IV.TERO.HHZ. 2016-12-24T18:08:26.51 3.0 undecidable manual P -0.19 0
IV.T1243.HHZ. 2016-12-24T18:08:25.25 1.0 negative manual P 22 20.3685 96 -0.13 24
IV.SMA1.EHZ. 2016-12-24T18:08:25.40 0.1 undecidable manual S 352 11.6772 100 0 100
IV.RM33.EHZ. 2016-12-24T18:08:25.37 0.1 undecidable manual S 261 11.6772 100 -0.02 100
IV.RM33.EHZ. 2016-12-24T18:08:23.68 0.1 positive manual P 261 11.6772 100 0.03 99
IV.SMA1.EHZ. 2016-12-24T18:08:23.67 1.0 positive manual P 352 11.6772 100 0.02 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.6 0.00005875 0.3 AML other m 2016-12-24T18:08:25.65
IV.RM33.EHE. ML:0.4 0.000041349999999999995 0.12 AML other m 2016-12-24T18:08:25.75
IV.SMA1.EHN. ML:0.9 0.00011949999999999999 0.18 AML other m 2016-12-24T18:08:25.85
IV.SMA1.EHE. ML:1.1 0.0002045 0.5 AML other m 2016-12-24T18:08:25.88
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