Earthquake with magnitude of ML 1.2 on date 08-03-2017 and time 14:50:50 (Italy) in region 1 km W Amatrice (RI)

A magnitude ML 1.2 earthquake occured in region: 1 km W Amatrice (RI), on

  • 08-03-2017 13:50:50 (UTC)
  • 08-03-2017 14:50:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6340, 13.2760 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
Amatrice RI 1 2657 2657
Accumoli RI 7 667 3324
Cittareale RI 10 482 3806
Campotosto AQ 12 542 4348
Montereale AQ 12 2581 6929
Capitignano AQ 13 665 7594
Arquata del Tronto AP 16 1178 8772
Borbona RI 18 617 9389
Acquasanta Terme AP 19 2916 12305
Cortino TE 19 656 12961
Posta RI 19 694 13655
Crognaleto TE 19 1297 14952
Cagnano Amiterno AQ 20 1369 16321

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
99 Km E of Viterbo (67173 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 1.2 2017-03-08
13:50:50
42.6345 13.2758 11 2017-03-08
14:00:03
Sala Sismica INGV-Roma 42115901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-08 13:50:50 ± 0.07
Latitude 42.6345 ± 0.0036
Longitude 13.2758 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42115901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
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) 105
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26440
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 42115901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-08 14:00:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1241.EHZ. 2017-03-08T13:51:00.03 0.6 undecidable manual S 27 27.6501 90 -0.11 48
IV.T1217.EHZ. 2017-03-08T13:51:00.63 0.6 undecidable manual S 287 29.3484 90 0.03 49
IV.T1245.HHZ. 2017-03-08T13:50:59.76 0.6 undecidable manual S 344 25.6521 90 0.16 48
IV.TERO.HHZ. 2017-03-08T13:50:59.48 0.6 undecidable manual S 93 26.8509 90 -0.43 45
IV.T1212.EHZ. 2017-03-08T13:50:58.62 0.6 undecidable manual S 305 22.8549 90 -0.25 47
IV.T1215.EHZ. 2017-03-08T13:50:57.58 3.0 undecidable manual P -0.23 0
IV.T1217.EHZ. 2017-03-08T13:50:56.34 0.6 undecidable manual P 287 29.3484 90 0.09 48
IV.RM33.EHZ. 2017-03-08T13:50:56.42 0.6 undecidable manual S 200 14.7741 91 -0.28 48
IV.T1214.EHZ. 2017-03-08T13:50:56.61 0.6 undecidable manual S 338 14.874 91 -0.13 49
IV.T1241.EHZ. 2017-03-08T13:50:56.01 0.1 undecidable manual P 27 27.6501 90 0.03 99
IV.T1245.HHZ. 2017-03-08T13:50:56.27 1.0 undecidable manual P 344 25.6521 90 0.6 22
IV.T1212.EHZ. 2017-03-08T13:50:55.34 0.6 negative manual P 305 22.8549 90 0.09 49
IV.TERO.HHZ. 2017-03-08T13:50:55.75 0.3 positive manual P 93 26.8509 90 -0.1 73
IV.T1218.EHZ. 2017-03-08T13:50:55.95 0.6 undecidable manual S 287 13.6752 94 -0.46 46
IV.RM33.EHZ. 2017-03-08T13:50:54.17 0.3 positive manual P 200 14.7741 91 0.17 73
IV.SMA1.EHZ. 2017-03-08T13:50:54.44 0.6 undecidable manual S 95 4.8951 149 -0.07 51
IV.T1214.EHZ. 2017-03-08T13:50:54.37 1.0 undecidable manual P 338 14.874 91 0.35 24
IV.SMA1.EHZ. 2017-03-08T13:50:53.02 0.3 undecidable manual P 95 4.8951 149 0.29 73
IV.T1218.EHZ. 2017-03-08T13:50:53.90 0.1 undecidable manual P 287 13.6752 94 0.07 100
IV.T1299.EHZ. 2017-03-08T13:50:53.96 0.6 undecidable manual S 93 0.4995 177 -0.2 50
IV.T1299.EHZ. 2017-03-08T13:50:52.70 0.1 undecidable manual P 93 0.4995 177 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.2 0.00015181972 0.096 AML other m 2017-03-08T13:50:56.98
IV.RM33.HNE. ML:1.3 0.00018151745 1.3696 AML other m 2017-03-08T13:50:58.00
IV.SMA1.EHN. ML:1.6 0.0005729999999999999 0.38 AML other m 2017-03-08T13:50:54.78
IV.T1218.EHN. ML:1.3 0.00019456325000000003 0.1792 AML other m 2017-03-08T13:50:56.47
IV.T1218.HNE. ML:1.1 0.00011485331500000001 2.048 AML other m 2017-03-08T13:50:56.54
IV.T1218.EHE. ML:1.0 0.00010136887 0.8 AML other m 2017-03-08T13:50:57.12
IV.T1218.HNN. ML:1.3 0.00018818960000000003 0.5248 AML other m 2017-03-08T13:50:56.56
IV.T1299.HNE. ML:1.1 0.0002316009 0.992 AML other m 2017-03-08T13:50:54.21
IV.T1299.EHE. ML:1.0 0.00016013644999999998 0.1408 AML other m 2017-03-08T13:50:54.21
IV.T1299.HNN. ML:1.1 0.00019392495 2.6816 AML other m 2017-03-08T13:50:55.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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