Earthquake with magnitude of ML 1.9 on date 01-03-2017 and time 01:45:52 (Italy) in region 7 km S Acquasanta Terme (AP)

A magnitude ML 1.9 earthquake occured in region: 7 km S Acquasanta Terme (AP), on

  • 01-03-2017 00:45:52 (UTC)
  • 01-03-2017 01:45:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7100, 13.3940 at 35 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
Acquasanta Terme AP 7 2916 2916
Valle Castellana TE 9 977 3893
Arquata del Tronto AP 11 1178 5071
Rocca Santa Maria TE 11 537 5608
Accumoli RI 12 667 6275
Amatrice RI 12 2657 8932
Cortino TE 14 656 9588
Montegallo AP 16 523 10111
Campotosto AQ 17 542 10653
Roccafluvione AP 18 2010 12663
Crognaleto TE 19 1297 13960

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Teramo (54892 inhabitants)
40 Km N of L'Aquila (69753 inhabitants)
63 Km E of Foligno (57155 inhabitants)
63 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
75 Km NW of Chieti (51815 inhabitants)
93 Km E of Perugia (166134 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 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 1.9 2017-03-01
00:45:52
42.71 13.3937 35 2017-03-01
00:57:06
Sala Sismica INGV-Roma 41783081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-01 00:45:52 ± 0.32
Latitude 42.7100 ± 0.0126
Longitude 13.3937 ± 0.0122
Depth (km) 35 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41783081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1344
Semi-minor axis of confidence ellipse (meter) 696
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39660
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 41783081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-01 00:57:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2017-03-01T00:46:24.61 3.0 undecidable manual S -4.03 0
IV.LNSS.HHZ. 2017-03-01T00:46:06.13 0.1 undecidable manual S 248 31.1466 134 0.42 89
IV.T1212.EHZ. 2017-03-01T00:46:05.29 0.1 undecidable manual S 279 28.8489 137 0.03 97
IV.NRCA.HHZ. 2017-03-01T00:46:05.36 0.1 undecidable manual S 301 26.5512 139 0.5 87
IV.FDMO.HHZ. 2017-03-01T00:46:05.47 3.0 undecidable manual S -2.83 0
IV.T1214.EHZ. 2017-03-01T00:46:03.16 0.1 undecidable manual S 290 16.0728 153 -0.13 98
IV.T1217.EHZ. 2017-03-01T00:46:03.66 3.0 undecidable manual S -2.33 0
IV.TERO.HHZ. 2017-03-01T00:46:03.39 0.1 undecidable manual S 119 19.6692 148 -0.38 92
IV.T1218.EHZ. 2017-03-01T00:46:03.99 0.1 undecidable manual S 259 23.1546 143 -0.3 93
IV.T1216.EHZ. 2017-03-01T00:46:03.73 3.0 undecidable manual Sn -1.93 0
IV.T1299.EHZ. 2017-03-01T00:46:02.85 0.1 undecidable manual S 227 12.3765 159 -0.04 100
IV.SMA1.EHZ. 2017-03-01T00:46:02.76 0.1 undecidable manual S 208 9.9789 163 0.08 100
IV.MMO1.EHZ. 2017-03-01T00:46:02.79 3.0 undecidable manual Sg -0.04 0
IV.T1215.EHZ. 2017-03-01T00:46:01.39 0.1 undecidable manual P 284 44.0226 124 -0.12 93
IV.RM33.EHZ. 2017-03-01T00:46:00.02 0.6 negative manual P 213 26.6511 139 0.51 44
IV.T1212.EHZ. 2017-03-01T00:45:59.52 0.6 negative manual P 279 28.8489 137 -0.21 47
IV.LNSS.HHZ. 2017-03-01T00:45:59.75 0.1 undecidable manual P 248 31.1466 134 -0.23 93
IV.NRCA.HHZ. 2017-03-01T00:45:59.59 0.1 negative manual P 301 26.5512 139 0.09 96
IV.TERO.HHZ. 2017-03-01T00:45:59.64 0.1 undecidable manual P 119 19.6692 148 0.77 81
IV.T1218.EHZ. 2017-03-01T00:45:58.70 0.1 undecidable manual P 259 23.1546 143 -0.47 90
IV.T1299.EHZ. 2017-03-01T00:45:58.21 0.1 positive manual P 227 12.3765 159 -0.15 98
IV.T1214.EHZ. 2017-03-01T00:45:58.26 0.6 undecidable manual P 290 16.0728 153 -0.33 47
IV.SMA1.EHZ. 2017-03-01T00:45:58.32 0.3 undecidable manual P 208 9.9789 163 0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.9 0.00023549999999999998 0.44 AML other m 2017-03-01T00:46:06.45
IV.LNSS.HHN. ML:1.8 0.0001655 0.82 AML other m 2017-03-01T00:46:06.88
IV.NRCA.HHN. ML:2.0 0.000296 0.16 AML other m 2017-03-01T00:46:05.58
IV.NRCA.HHE. ML:2.3 0.000687 0.18 AML other m 2017-03-01T00:46:05.70
IV.SMA1.EHE. ML:2.0 0.00046699999999999997 0.42 AML other m 2017-03-01T00:46:03.27
IV.SMA1.EHN. ML:2.0 0.00038500000000000003 0.54 AML other m 2017-03-01T00:46:03.67
IV.T1211.EHE. ML:1.8 0.00013935 0.1 AML other m 2017-03-01T00:46:11.51
IV.T1211.EHN. ML:1.9 0.000169 0.54 AML other m 2017-03-01T00:46:11.75
IV.T1218.EHE. ML:2.0 0.0003075 0.22 AML other m 2017-03-01T00:46:04.12
IV.T1218.HNE. ML:2.0 0.0003095 0.8 AML other m 2017-03-01T00:46:04.41
IV.T1218.EHN. ML:2.0 0.000372 0.24 AML other m 2017-03-01T00:46:04.23
IV.T1218.HNN. ML:2.0 0.00035150000000000003 0.24 AML other m 2017-03-01T00:46:04.11
IV.T1299.EHN. ML:1.7 0.00021799999999999999 1.36 AML other m 2017-03-01T00:46:02.96
IV.T1299.EHE. ML:1.8 0.0002655 0.46 AML other m 2017-03-01T00:46:03.10
IV.TERO.HHN. ML:1.3 0.00007195 0.06 AML other m 2017-03-01T00:46:07.58
IV.TERO.HHE. ML:1.2 0.00006170000000000001 0.34 AML other m 2017-03-01T00:46:08.96
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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