Earthquake with magnitude of ML 1.0 on date 22-02-2017 and time 20:25:23 (Italy) in region 4 km S Campotosto (AQ)

A magnitude ML 1.0 earthquake occured in region: 4 km S Campotosto (AQ), on

  • 22-02-2017 19:25:23 (UTC)
  • 22-02-2017 20:25:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5240, 13.3720 at 11 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 6 665 1207
Crognaleto TE 9 1297 2504
Montereale AQ 10 2581 5085
Barete AQ 11 737 5822
Pizzoli AQ 12 4326 10148
Amatrice RI 14 2657 12805
Fano Adriano TE 14 296 13101
Cagnano Amiterno AQ 14 1369 14470
Pietracamela TE 15 271 14741
Cortino TE 16 656 15397
L'Aquila AQ 19 69753 85150
Scoppito AQ 19 3727 88877
Borbona RI 20 617 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
79 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 1.0 2017-02-22
19:25:23
42.5238 13.3722 11 2017-02-22
19:33:14
Sala Sismica INGV-Roma 41494541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-22 19:25:23 ± 0.05
Latitude 42.5238 ± 0.0036
Longitude 13.3722 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41494541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25631
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 41494541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-22 19:33:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2017-02-22T19:26:11.24 3.0 undecidable manual S 0.2 0
IV.ATFO.HHZ. 2017-02-22T19:25:58.96 3.0 undecidable manual S -0.6 0
IV.T1218.EHZ. 2017-02-22T19:25:33.04 0.3 undecidable manual S 308 26.5512 91 -0.2 71
IV.LNSS.HHZ. 2017-02-22T19:25:33.86 0.1 undecidable manual S 288 28.4493 91 0.09 97
IV.GIGS.HHZ. 2017-02-22T19:25:30.88 0.1 undecidable manual S 115 18.1707 92 -0.13 99
IV.T1299.EHZ. 2017-02-22T19:25:29.94 0.1 undecidable manual S 329 14.2746 97 -0.04 100
IV.NRCA.HHZ. 2017-02-22T19:25:29.96 3.0 positive manual P -1.78 0
IV.T1218.EHZ. 2017-02-22T19:25:29.18 1.0 undecidable manual P 308 26.5512 91 -0.03 25
IV.LNSS.HHZ. 2017-02-22T19:25:29.46 0.3 positive manual P 288 28.4493 91 -0.05 73
IV.GIGS.HHZ. 2017-02-22T19:25:28.02 1.0 undecidable manual P 115 18.1707 92 0.1 24
IV.TERO.HHZ. 2017-02-22T19:25:28.56 0.1 undecidable manual P 60 21.867 91 0.07 97
IV.T1299.EHZ. 2017-02-22T19:25:27.48 0.3 positive manual P 329 14.2746 97 0.15 73
IV.RM33.EHZ. 2017-02-22T19:25:27.04 0.1 positive manual P 263 12.9759 104 -0.09 99
IV.T1247.HHZ. 2017-02-22T19:25:26.90 0.1 positive manual P 214 10.9779 116 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHE. ML:0.4 0.000019185 1.4 AML other m 2017-02-22T19:25:31.92
IV.GIGS.HHN. ML:0.5 0.000025149999999999998 0.38 AML other m 2017-02-22T19:25:31.84
IV.LNSS.HHE. ML:1.0 0.000052850000000000004 0.7 AML other m 2017-02-22T19:25:34.35
IV.LNSS.HHN. ML:1.2 0.0000691 1.86 AML other m 2017-02-22T19:25:34.94
IV.RM33.EHE. ML:1.2 0.00017299999999999998 0.28 AML other m 2017-02-22T19:25:29.35
IV.RM33.EHN. ML:1.0 0.000107 0.7 AML other m 2017-02-22T19:25:29.93
IV.T1218.EHN. ML:1.2 0.00007985 0.24 AML other m 2017-02-22T19:25:33.34
IV.T1218.EHE. ML:0.8 0.000033845 1 AML other m 2017-02-22T19:25:33.06
IV.T1247.HHE. ML:1.5 0.00038 0.36 AML other m 2017-02-22T19:25:31.42
IV.T1247.HHN. ML:1.6 0.0004685 0.12 AML other m 2017-02-22T19:25:29.10
IV.T1299.EHN. ML:1.0 0.00009175 0.8 AML other m 2017-02-22T19:25:30.93
IV.T1299.EHE. ML:0.8 0.00005655 1.04 AML other m 2017-02-22T19:25:29.93
IV.TERO.HHE. ML:1.1 0.00008265 0.28 AML other m 2017-02-22T19:25:33.30
IV.TERO.HHN. ML:1.0 0.00006125 0.08 AML other m 2017-02-22T19:25:33.19
IV.VCEL.EHE. ML:1.1 0.0000389 0.42 AML other m 2017-02-22T19:25:40.04
IV.VCEL.EHN. ML:1.1 0.000041349999999999995 0.42 AML other m 2017-02-22T19:25:43.28
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