Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 03-03-2017 and time 01:30:51 (Italy) in region 5 km NW Amatrice (RI)

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

  • 03-03-2017 00:30:51 (UTC)
  • 03-03-2017 01:30:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6530, 13.2430 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.

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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
Cittareale RI 8 482 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 14 2581 7565
Campotosto AQ 15 542 8107
Capitignano AQ 15 665 8772
Borbona RI 18 617 9389
Posta RI 19 694 10083
Acquasanta Terme AP 19 2916 12999
Norcia PG 20 4957 17956

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
97 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 1.3 2017-03-03
00:30:51		 42.653 13.2427 11 2017-03-03
00:35:28		 Sala Sismica INGV-Roma 41874571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-03 00:30:51 ± 0.04
Latitude 42.6530 ± 0.0027
Longitude 13.2427 ± 0.0037
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 41874571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 113
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 21
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24551
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 41874571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-03 00:35:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1219.EHZ. 2017-03-03T00:31:00.16 3.0 positive manual P -0.18 0
IV.OFFI.HHZ. 2017-03-03T00:31:00.77 3.0 negative manual P 0.61 0
IV.T1220.EHZ. 2017-03-03T00:31:00.62 3.0 negative manual P -0.31 0
IV.T1241.EHZ. 2017-03-03T00:31:00.65 0.1 undecidable manual S 34 27.2505 50 -0.12 95
IV.FIAM.HHZ. 2017-03-03T00:30:59.18 3.0 negative manual P -0.13 0
IV.CSP1.EHZ. 2017-03-03T00:30:59.96 3.0 undecidable manual P -0.4 0
IV.NRCA.HHZ. 2017-03-03T00:30:59.33 0.1 undecidable manual S 332 22.5552 50 -0.18 94
IV.FDMO.HHZ. 2017-03-03T00:30:59.37 3.0 negative manual P -0.25 0
IV.T1245.HHZ. 2017-03-03T00:30:59.81 0.1 undecidable manual S 349 23.0547 50 0.19 94
IV.LNSS.HHZ. 2017-03-03T00:30:58.13 0.1 undecidable manual S 251 17.4714 50 0 99
IV.ARRO.EHZ. 2017-03-03T00:30:58.68 3.0 undecidable manual P -0.06 0
IV.T1212.EHZ. 2017-03-03T00:30:58.59 0.1 undecidable manual S 304 19.4694 50 -0.09 97
IV.T1222.EHZ. 2017-03-03T00:30:57.40 3.0 positive manual P -0.06 0
IV.T1211.EHZ. 2017-03-03T00:30:57.72 3.0 positive manual P -0.09 0
IV.T1216.EHZ. 2017-03-03T00:30:57.50 3.0 undecidable manual P -0.07 0
IV.T1215.EHZ. 2017-03-03T00:30:57.82 3.0 positive manual P -0.15 0
IV.T1214.EHZ. 2017-03-03T00:30:56.72 0.1 undecidable manual S 347 12.1767 132 0.03 99
IV.T1241.EHZ. 2017-03-03T00:30:56.60 0.1 positive manual P 34 27.2505 50 -0.04 96
IV.T1245.HHZ. 2017-03-03T00:30:56.12 0.6 positive manual P 349 23.0547 50 0.14 47
IV.TERO.HHZ. 2017-03-03T00:30:56.76 3.0 undecidable manual P -0.33 0
IV.T1217.EHZ. 2017-03-03T00:30:56.54 3.0 negative manual P -0.02 0
IV.T1218.EHZ. 2017-03-03T00:30:56.17 0.1 undecidable manual S 280 10.5783 136 -0.13 97
IV.NRCA.HHZ. 2017-03-03T00:30:55.96 0.1 undecidable manual P 332 22.5552 50 0.04 97
IV.T1212.EHZ. 2017-03-03T00:30:55.52 1.0 negative manual P 304 19.4694 50 0.08 24
IV.CAMP.HHZ. 2017-03-03T00:30:55.04 1.0 undecidable manual P 134 18.7701 50 -0.29 23
IV.T1247.HHZ. 2017-03-03T00:30:55.94 0.6 negative manual P 169 23.8539 50 -0.18 47
IV.SMA1.EHZ. 2017-03-03T00:30:55.74 0.1 undecidable manual S 108 7.9809 144 0.02 100
IV.LNSS.HHZ. 2017-03-03T00:30:55.25 0.1 positive manual P 251 17.4714 50 0.13 96
IV.T1218.EHZ. 2017-03-03T00:30:54.23 0.6 positive manual P 280 10.5783 136 0.17 48
IV.T1299.EHZ. 2017-03-03T00:30:54.84 0.1 undecidable manual S 123 3.8961 161 -0.21 97
IV.T1214.EHZ. 2017-03-03T00:30:54.54 1.0 undecidable manual P 347 12.1767 132 0.25 24
IV.RM33.EHZ. 2017-03-03T00:30:54.98 0.1 positive manual P 188 16.1727 124 0.06 98
IV.T1299.EHZ. 2017-03-03T00:30:53.45 1.0 undecidable manual P 123 3.8961 161 0.11 25
IV.SMA1.EHZ. 2017-03-03T00:30:53.95 0.1 negative manual P 108 7.9809 144 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:0.9 0.00002915 0.96 AML other m 2017-03-03T00:31:04.71
IV.ARRO.EHE. ML:1.0 0.0000371 0.56 AML other m 2017-03-03T00:31:05.87
IV.CAMP.HHE. ML:0.7 0.000033799999999999995 0.62 AML other m 2017-03-03T00:30:58.41
IV.CAMP.HHN. ML:0.8 0.00004445 1.32 AML other m 2017-03-03T00:30:58.32
IV.FDMO.HHE. ML:0.9 0.00002705 0.84 AML other m 2017-03-03T00:31:06.91
IV.FDMO.HHN. ML:1.0 0.000029900000000000002 0.42 AML other m 2017-03-03T00:31:07.99
IV.LNSS.HHN. ML:1.3 0.000167 1.28 AML other m 2017-03-03T00:30:58.94
IV.LNSS.HHE. ML:1.4 0.00020250000000000002 0.5 AML other m 2017-03-03T00:30:58.50
IV.NRCA.HHE. ML:1.7 0.000328 0.18 AML other m 2017-03-03T00:30:59.59
IV.NRCA.HHN. ML:1.3 0.00011949999999999999 0.14 AML other m 2017-03-03T00:31:00.26
IV.RM33.EHN. ML:1.1 0.0001095 0.42 AML other m 2017-03-03T00:30:58.37
IV.RM33.EHE. ML:1.3 0.0001835 0.24 AML other m 2017-03-03T00:30:59.43
IV.SMA1.EHN. ML:2.0 0.0012085000000000002 0.62 AML other m 2017-03-03T00:30:56.19
IV.SMA1.EHE. ML:1.9 0.0010115 0.26 AML other m 2017-03-03T00:30:56.38
IV.T1218.EHE. ML:1.6 0.000459 0.12 AML other m 2017-03-03T00:30:56.67
IV.T1218.HNE. ML:1.6 0.0005025 0.12 AML other m 2017-03-03T00:30:56.67
IV.T1218.HNN. ML:1.9 0.0008925000000000001 0.4 AML other m 2017-03-03T00:30:56.51
IV.T1218.EHN. ML:1.9 0.0008560000000000001 0.38 AML other m 2017-03-03T00:30:56.52
IV.T1241.EHN. ML:0.9 0.00003855 1.5 AML other m 2017-03-03T00:31:00.90
IV.T1241.EHE. ML:1.2 0.00008065 1.04 AML other m 2017-03-03T00:31:01.78
IV.T1245.HHN. ML:1.4 0.000174 0.58 AML other m 2017-03-03T00:31:00.09
IV.T1245.HHE. ML:1.4 0.00015250000000000002 0.34 AML other m 2017-03-03T00:31:01.92
IV.T1247.HHE. ML:1.4 0.00013700000000000002 0.34 AML other m 2017-03-03T00:31:01.83
IV.T1247.HHN. ML:1.4 0.0001415 1.58 AML other m 2017-03-03T00:31:01.02
IV.T1299.EHN. ML:1.4 0.0004435 1.78 AML other m 2017-03-03T00:30:54.91
IV.T1299.HNN. ML:1.5 0.0005285 0.9 AML other m 2017-03-03T00:30:54.91
IV.T1299.EHE. ML:1.3 0.00029 1.64 AML other m 2017-03-03T00:30:55.91
IV.T1299.HNE. ML:1.3 0.0003345 1.64 AML other m 2017-03-03T00:30:55.91
IV.TERO.HHE. ML:1.4 0.000115 1.5 AML other m 2017-03-03T00:31:01.95
IV.TERO.HHN. ML:1.5 0.0001595 0.08 AML other m 2017-03-03T00:31:00.95
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