Earthquake with magnitude of ML 1.1 on date 08-03-2017 and time 13:31:48 (Italy) in region 3 km NW Amatrice (RI)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Amatrice (RI), on

  • 08-03-2017 12:31:48 (UTC)
  • 08-03-2017 13:31:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6510, 13.2740 at 9 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 3 2657 2657
Accumoli RI 5 667 3324
Cittareale RI 10 482 3806
Campotosto AQ 13 542 4348
Arquata del Tronto AP 14 1178 5526
Montereale AQ 14 2581 8107
Capitignano AQ 15 665 8772
Acquasanta Terme AP 17 2916 11688
Borbona RI 19 617 12305
Cortino TE 19 656 12961

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
88 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 1.1 2017-03-08
12:31:48
42.6508 13.2743 9 2017-03-08
12:45:23
Sala Sismica INGV-Roma 42113651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-08 12:31:48 ± 0.15
Latitude 42.6508 ± 0.0045
Longitude 13.2743 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42113651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 578
Semi-minor axis of confidence ellipse (meter) 257
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 10
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) 0.19605
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 42113651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-08 12:45:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SARZ.HHZ. 2017-03-08T12:33:19.49 3.0 undecidable manual Sg 8.1 0
IV.AMUR.HHZ. 2017-03-08T12:33:09.10 3.0 undecidable manual Sg 6.74 0
IV.MCRV.HHZ. 2017-03-08T12:33:05.85 3.0 undecidable manual Sg 5.46 0
IV.PIGN.HHZ. 2017-03-08T12:32:57.80 3.0 undecidable manual Sg 6.76 0
IV.LIK.EHZ.01 2017-03-08T12:32:43.03 3.0 undecidable manual Sn -3.38 0
IV.MNTV.HNZ. 2017-03-08T12:32:38.96 3.0 undecidable manual Sn -0.6 0
IV.NDIM.HNZ. 2017-03-08T12:32:37.12 3.0 undecidable manual Sg 0.19 0
IV.SACR.HHZ. 2017-03-08T12:32:35.29 3.0 undecidable manual Sn -9.99 0
IV.MRLC.HHZ. 2017-03-08T12:32:25.61 3.0 undecidable manual Pg 11.4 0
IV.TOLF.HHZ. 2017-03-08T12:32:17.18 3.0 undecidable manual Pg 10.79 0
IV.EUCT.HNZ. 2017-03-08T12:32:14.83 3.0 undecidable manual Pn -3.08 0
IV.VITU.HHZ. 2017-03-08T12:32:13.03 3.0 positive manual Pg 4.95 0
BA.PZUN.HHZ. 2017-03-08T12:32:10.64 3.0 negative manual Pn -5.52 0
IV.T1220.EHZ. 2017-03-08T12:32:09.09 3.0 undecidable manual S -6.3 0
IV.SGRT.HHZ. 2017-03-08T12:32:06.06 3.0 positive manual Pn 4.96 0
IV.INTR.HHZ. 2017-03-08T12:32:05.17 3.0 undecidable manual Pg 7.18 0
IV.PAOL.HHZ. 2017-03-08T12:32:04.50 3.0 undecidable manual Pn -5.7 0
IV.PTRJ.HNZ. 2017-03-08T12:32:02.66 3.0 undecidable manual Pg -3.01 0
IV.T1212.EHZ. 2017-03-08T12:31:56.18 0.6 undecidable manual S 301 21.7671 112 0 49
IV.T1214.EHZ. 2017-03-08T12:31:53.62 0.3 undecidable manual S 336 13.1757 123 0.1 73
IV.T1218.EHZ. 2017-03-08T12:31:53.60 0.6 undecidable manual S 279 13.1757 123 0.09 49
IV.T1212.EHZ. 2017-03-08T12:31:52.67 0.1 undecidable manual P 301 21.7671 112 -0.07 96
IV.T1218.EHZ. 2017-03-08T12:31:51.33 1.0 positive manual P 279 13.1757 123 0.13 24
IV.SMA1.EHZ. 2017-03-08T12:31:51.66 0.6 undecidable manual S 114 5.4945 148 0.06 50
IV.T1214.EHZ. 2017-03-08T12:31:51.09 0.1 undecidable manual P 336 13.1757 123 -0.12 97
IV.SMA1.EHZ. 2017-03-08T12:31:50.21 0.6 undecidable manual P 114 5.4945 148 0.12 49
IV.T1299.EHZ. 2017-03-08T12:31:50.90 0.6 undecidable manual S 161 1.8981 167 -0.23 48
IV.T1299.EHZ. 2017-03-08T12:31:49.87 0.1 positive manual P 161 1.8981 167 0.05 100
IV.T1245.HHZ. 2017-03-08T12:31:48.36 3.0 undecidable manual Pn -2.08 0
MN.TRI.HHZ. 2017-03-08T12:31:34.36 3.0 negative manual P -5.54 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.0 0.000182 0.52 AML other m 2017-03-08T12:31:53.30
IV.T1212.EHE. ML:1.2 0.0001169 0.4 AML other m 2017-03-08T12:32:10.16
IV.T1212.EHN. ML:1.0 0.00006875 1.58 AML other m 2017-03-08T12:32:20.96
IV.T1299.EHE. ML:0.0 0.00014287837 0.1408 AML other m 2017-03-08T12:31:51.25
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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