Earthquake with magnitude of ML 1.0 on date 31-01-2017 and time 22:11:26 (Italy) in region 3 km SW Campotosto (AQ)

A magnitude ML 1.0 earthquake occured in region: 3 km SW Campotosto (AQ), on

  • 31-01-2017 21:11:26 (UTC)
  • 31-01-2017 22:11:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5320, 13.3580 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 3 542 542
Capitignano AQ 5 665 1207
Montereale AQ 9 2581 3788
Crognaleto TE 10 1297 5085
Barete AQ 11 737 5822
Pizzoli AQ 12 4326 10148
Amatrice RI 12 2657 12805
Cagnano Amiterno AQ 14 1369 14174
Fano Adriano TE 15 296 14470
Cortino TE 16 656 15126
Pietracamela TE 16 271 15397
Borbona RI 19 617 16014
Cittareale RI 19 482 16496
Scoppito AQ 20 3727 20223

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)
70 Km W of Chieti (51815 inhabitants)
71 Km W of Pescara (121014 inhabitants)
71 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 2017-01-31
21:11:26
42.5322 13.3575 11 2017-01-31
21:22:00
Sala Sismica INGV-Roma 40258881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-31 21:11:26 ± 0.06
Latitude 42.5322 ± 0.0045
Longitude 13.3575 ± 0.0049
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 40258881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 493
Semi-minor axis of confidence ellipse (meter) 327
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31746
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 40258881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-31 21:22:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1212.EHZ. 2017-01-31T21:11:38.04 0.3 undecidable manual S 314 35.2425 50 -0.11 71
IV.T1215.EHZ. 2017-01-31T21:11:35.66 3.0 negative manual P 0 0
IV.LNSS.HHZ. 2017-01-31T21:11:35.99 0.3 undecidable manual S 287 27.0507 50 0.04 73
IV.TERO.HHZ. 2017-01-31T21:11:34.55 0.6 undecidable manual S 63 22.4553 50 -0.19 48
IV.GIGS.HHZ. 2017-01-31T21:11:33.83 0.6 undecidable manual S 116 19.6692 50 -0.15 48
IV.T1212.EHZ. 2017-01-31T21:11:33.19 0.1 undecidable manual P 314 35.2425 50 0.07 95
IV.T1299.EHZ. 2017-01-31T21:11:32.00 0.6 undecidable manual S 332 12.876 130 -0.12 49
IV.RM33.EHZ. 2017-01-31T21:11:31.44 0.6 undecidable manual S 258 11.9769 133 -0.45 46
IV.T1247.HHZ. 2017-01-31T21:11:31.53 0.6 undecidable manual S 206 11.1777 135 -0.15 49
IV.TERO.HHZ. 2017-01-31T21:11:31.19 0.3 undecidable manual P 63 22.4553 50 0.04 74
IV.LNSS.HHZ. 2017-01-31T21:11:31.89 0.1 undecidable manual P 287 27.0507 50 0.04 97
IV.GIGS.HHZ. 2017-01-31T21:11:30.76 0.6 undecidable manual P 116 19.6692 50 0.04 49
IV.RM33.EHZ. 2017-01-31T21:11:29.54 0.1 positive manual P 258 11.9769 133 0.04 100
IV.T1247.HHZ. 2017-01-31T21:11:29.67 0.3 positive manual P 206 11.1777 135 0.29 71
IV.T1299.EHZ. 2017-01-31T21:11:29.83 0.3 negative manual P 332 12.876 130 0.19 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.8 0.00007344999999999998 0.14 AML other m 2017-01-31T21:11:31.86
IV.RM33.EHE. ML:0.9 0.00008269999999999999 0.96 AML other m 2017-01-31T21:11:32.71
IV.T1247.HHN. ML:1.4 0.00032250000000000003 0.32 AML other m 2017-01-31T21:11:33.45
IV.T1247.HHE. ML:1.4 0.00027850000000000005 0.2 AML other m 2017-01-31T21:11:33.77
IV.T1299.EHN. ML:1.0 0.00010485 0.2 AML other m 2017-01-31T21:11:32.20
IV.T1299.EHE. ML:0.9 0.0000883 0.9 AML other m 2017-01-31T21:11:32.84
IV.TERO.HHN. ML:0.9 0.0000513 0.36 AML other m 2017-01-31T21:11:34.75
IV.TERO.HHE. ML:0.8 0.0000465 1.04 AML other m 2017-01-31T21:11:35.34
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