Earthquake with magnitude of ML 0.7 on date 09-04-2017 and time 00:23:44 (Italy) in region 6 km NE Amatrice (RI)

A magnitude ML 0.7 earthquake occured in region: 6 km NE Amatrice (RI), on

  • 08-04-2017 22:23:44 (UTC)
  • 09-04-2017 00:23:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6680, 13.3440 at 13 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 6 2657 2657
Accumoli RI 8 667 3324
Arquata del Tronto AP 12 1178 4502
Campotosto AQ 12 542 5044
Acquasanta Terme AP 13 2916 7960
Cortino TE 14 656 8616
Valle Castellana TE 15 977 9593
Rocca Santa Maria TE 15 537 10130
Cittareale RI 16 482 10612
Capitignano AQ 17 665 11277
Crognaleto TE 17 1297 12574
Montereale AQ 18 2581 15155
Montegallo AP 19 523 15678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Teramo (54892 inhabitants)
36 Km N of L'Aquila (69753 inhabitants)
58 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
92 Km SE of Perugia (166134 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 2017-04-08
22:23:44
42.6685 13.344 13 2017-04-08
22:31:44
Sala Sismica INGV-Roma 43581651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-08 22:23:44 ± 0.07
Latitude 42.6685 ± 0.0036
Longitude 13.3440 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43581651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 351
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 360
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.38401
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 43581651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-08 22:31:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2017-04-08T22:23:53.83 0.6 undecidable manual S 357 25.6521 99 0.12 49
IV.T1212.EHZ. 2017-04-08T22:23:53.58 0.6 undecidable manual S 291 26.0517 99 -0.25 47
IV.NRCA.HHZ. 2017-04-08T22:23:53.57 0.6 undecidable manual S 314 26.1516 99 -0.28 47
IV.TERO.HHZ. 2017-04-08T22:23:52.44 0.6 undecidable manual S 103 21.7671 103 -0.27 47
IV.T1241.EHZ. 2017-04-08T22:23:52.80 0.6 undecidable manual S 19 22.0668 102 0.04 50
IV.T1211.EHZ. 2017-04-08T22:23:52.35 0.1 undecidable manual P 250 42.624 94 -0.02 97
IV.RM33.EHZ. 2017-04-08T22:23:52.44 0.6 undecidable manual S 211 20.6682 104 0.04 50
IV.T1214.EHZ. 2017-04-08T22:23:51.03 0.6 undecidable manual S 313 14.9739 116 0.06 50
IV.MMO1.EHZ. 2017-04-08T22:23:50.00 1.0 undecidable manual P 357 25.6521 99 0.24 24
IV.T1217.EHZ. 2017-04-08T22:23:50.98 0.1 undecidable manual P 278 34.0437 96 -0.06 97
IV.T1212.EHZ. 2017-04-08T22:23:49.74 1.0 negative manual P 291 26.0517 99 -0.09 25
IV.RM33.EHZ. 2017-04-08T22:23:49.19 1.0 negative manual P 211 20.6682 104 0.18 24
IV.NRCA.HHZ. 2017-04-08T22:23:49.86 0.3 negative manual P 314 26.1516 99 0.01 75
IV.T1299.EHZ. 2017-04-08T22:23:49.24 0.6 undecidable manual S 233 6.2937 148 0.01 51
IV.TERO.HHZ. 2017-04-08T22:23:49.21 0.1 undecidable manual P 103 21.7671 103 0.03 100
IV.T1241.EHZ. 2017-04-08T22:23:49.37 1.0 undecidable manual P 19 22.0668 102 0.15 24
IV.T1214.EHZ. 2017-04-08T22:23:48.45 1.0 undecidable manual P 313 14.9739 116 0.27 24
IV.SMA1.EHZ. 2017-04-08T22:23:48.60 0.6 undecidable manual S 190 4.2957 157 -0.38 47
IV.SMA1.EHZ. 2017-04-08T22:23:47.22 1.0 undecidable manual P 190 4.2957 157 0.19 25
IV.T1299.EHZ. 2017-04-08T22:23:47.46 0.3 negative manual P 233 6.2937 148 0.28 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.7 0.00002385 0.7 AML other m 2017-04-08T22:23:54.93
IV.NRCA.HHN. ML:0.4 0.0000162 0.1 AML other m 2017-04-08T22:23:56.16
IV.RM33.EHN. ML:0.7 0.00003715 0.3 AML other m 2017-04-08T22:23:52.53
IV.RM33.EHE. ML:0.8 0.00004015000000000001 1.36 AML other m 2017-04-08T22:23:53.86
IV.SMA1.EHN. ML:0.8 0.00009145 1.88 AML other m 2017-04-08T22:23:48.94
IV.SMA1.EHE. ML:0.8 0.00007325 1.9 AML other m 2017-04-08T22:23:49.95
IV.T1299.EHE. ML:0.6 0.000046899999999999995 0.42 AML other m 2017-04-08T22:23:49.40
IV.T1299.EHN. ML:0.6 0.0000514 0.32 AML other m 2017-04-08T22:23:49.61
IV.TERO.HHE. ML:0.7 0.000027950000000000002 0.24 AML other m 2017-04-08T22:23:52.73
IV.TERO.HHN. ML:0.6 0.000025399999999999997 0.08 AML other m 2017-04-08T22:23:52.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download