Earthquake with magnitude of ML 1.3 on date 05-04-2017 and time 15:50:52 (UTC) in region 5 km N Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 5 km N Amatrice (RI), on

  • 05-04-2017 15:50:52 (UTC)
  • 05-04-2017 17:50:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6740, 13.3060 at 12 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 5 2657 2657
Accumoli RI 5 667 3324
Arquata del Tronto AP 11 1178 4502
Cittareale RI 13 482 4984
Acquasanta Terme AP 14 2916 7900
Campotosto AQ 14 542 8442
Capitignano AQ 17 665 9107
Valle Castellana TE 17 977 10084
Montereale AQ 17 2581 12665
Cortino TE 18 656 13321
Rocca Santa Maria TE 18 537 13858
Montegallo AP 19 523 14381
Crognaleto TE 20 1297 15678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
89 Km NE of Tivoli (56533 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 1.3 2017-04-05
15:50:52
42.6737 13.3058 12 2017-04-05
17:38:28
Sala Sismica INGV-Roma 43427661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-05 15:50:52 ± 0.06
Latitude 42.6737 ± 0.0036
Longitude 13.3058 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43427661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
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) 76
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42448
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 43427661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-05 17:38:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2017-04-05T15:51:37.14 3.0 undecidable manual Sg 2.25 0
IV.GIUL.HHZ. 2017-04-05T15:51:28.97 3.0 undecidable manual Sg 0.95 0
IV.T1256.HNZ. 2017-04-05T15:51:16.61 3.0 undecidable manual Sg 3.76 0
IV.T1211.EHZ. 2017-04-05T15:51:05.67 0.6 undecidable manual S 247 40.0266 92 -0.19 47
IV.T1245.HHZ. 2017-04-05T15:51:01.20 0.6 undecidable manual S 335 22.4553 97 0 50
IV.TERO.HHZ. 2017-04-05T15:51:01.51 0.6 undecidable manual S 103 24.9528 96 -0.35 47
IV.T1212.EHZ. 2017-04-05T15:51:01.13 0.6 undecidable manual S 292 22.9548 97 -0.21 48
IV.NRCA.HHZ. 2017-04-05T15:51:01.04 0.6 undecidable manual S 319 23.6541 96 -0.47 45
IV.T1241.EHZ. 2017-04-05T15:51:01.04 0.6 undecidable manual S 27 22.6551 97 -0.22 48
IV.CSP1.EHZ. 2017-04-05T15:51:01.52 0.1 undecidable manual P 350 47.1195 92 0.11 94
IV.T1211.EHZ. 2017-04-05T15:51:00.50 1.0 positive manual P 247 40.0266 92 0.19 23
IV.RM33.EHZ. 2017-04-05T15:51:00.40 0.6 undecidable manual S 202 19.7691 100 -0.08 50
IV.T1216.EHZ. 2017-04-05T15:50:59.42 3.0 undecidable manual Pn 0.8 0
IV.T1218.EHZ. 2017-04-05T15:50:59.27 0.6 undecidable manual S 269 15.5733 108 -0.13 49
IV.GIGS.HHZ. 2017-04-05T15:50:59.07 0.1 undecidable manual P 138 32.745 93 -0.13 97
IV.T1256.HHZ. 2017-04-05T15:50:59.99 3.0 negative manual Pn 2.33 0
IV.T1214.EHZ. 2017-04-05T15:50:58.57 0.6 undecidable manual S 320 12.3765 118 -0.05 50
IV.MC2.EHZ. 2017-04-05T15:50:58.40 0.1 undecidable manual P 340 28.0497 94 -0.08 98
IV.TERO.HHZ. 2017-04-05T15:50:58.01 0.6 undecidable manual P 103 24.9528 96 0.01 50
IV.MMO1.EHZ. 2017-04-05T15:50:58.15 3.0 positive manual P 0.91 0
IV.SMA1.EHZ. 2017-04-05T15:50:57.19 0.6 undecidable manual S 153 5.3946 150 -0.07 51
IV.RM33.EHZ. 2017-04-05T15:50:57.47 0.6 positive manual P 202 19.7691 100 0.26 48
IV.T1241.EHZ. 2017-04-05T15:50:57.97 0.6 negative manual P 27 22.6551 97 0.31 47
IV.T1245.HHZ. 2017-04-05T15:50:57.74 0.6 positive manual P 335 22.4553 97 0.12 49
IV.T1212.EHZ. 2017-04-05T15:50:57.78 0.6 positive manual P 292 22.9548 97 0.08 49
IV.NRCA.HHZ. 2017-04-05T15:50:57.82 0.1 positive manual P 319 23.6541 96 0.02 100
IV.T1214.EHZ. 2017-04-05T15:50:56.40 0.1 undecidable manual P 320 12.3765 118 0.27 97
IV.T1218.EHZ. 2017-04-05T15:50:56.75 0.1 undecidable manual P 269 15.5733 108 0.17 98
IV.SMA1.EHZ. 2017-04-05T15:50:55.70 1.0 undecidable manual P 153 5.3946 150 0.35 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.9 0.00022250000000000001 0.32 AML other m 2017-04-05T15:50:58.32
IV.FDMO.HHN. ML:1.7 0.000152 0.18 AML other m 2017-04-05T15:50:58.68
IV.RM33.EHE. ML:0.9 0.0000563 1.2 AML other m 2017-04-05T15:51:00.32
IV.RM33.EHN. ML:1.1 0.0000805 1.4 AML other m 2017-04-05T15:51:01.91
IV.SMA1.EHN. ML:1.6 0.0005015000000000001 0.3 AML other m 2017-04-05T15:50:57.51
IV.SMA1.EHE. ML:1.4 0.000341 0.34 AML other m 2017-04-05T15:50:57.73
IV.T1218.EHE. ML:0.8 0.0000544 0.8 AML other m 2017-04-05T15:50:59.35
IV.T1218.EHN. ML:1.0 0.00009085 0.3 AML other m 2017-04-05T15:50:59.91
IV.T1219.EHE. ML:1.9 0.00021450000000000004 0.24 AML other m 2017-04-05T15:50:58.39
IV.T1219.EHN. ML:1.9 0.00022149999999999996 0.26 AML other m 2017-04-05T15:50:58.38
IV.TERO.HHN. ML:1.1 0.00007675 0.32 AML other m 2017-04-05T15:51:01.64
IV.TERO.HHE. ML:1.1 0.00006890000000000001 0.1 AML other m 2017-04-05T15:51:01.98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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