A magnitude ML 1.6 earthquake occured in region: 8 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7880, 13.2010 at 6 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Arquata del Tronto | AP | 8 | 1178 | 1178 |
Norcia | PG | 9 | 4957 | 6135 |
Accumoli | RI | 11 | 667 | 6802 |
Montegallo | AP | 13 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7606 |
Montemonaco | AP | 16 | 604 | 8210 |
Preci | PG | 17 | 724 | 8934 |
Cascia | PG | 17 | 3217 | 12151 |
Acquasanta Terme | AP | 17 | 2916 | 15067 |
Ussita | MC | 18 | 444 | 15511 |
Visso | MC | 18 | 1107 | 16618 |
Amatrice | RI | 19 | 2657 | 19275 |
Cittareale | RI | 19 | 482 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2017-03-08 20:31:29 |
42.7877 | 13.201 | 6 | 2017-03-08 20:38:38 |
Sala Sismica INGV-Roma | 42128901 |
Field | Value |
---|---|
Time (UTC) | 2017-03-08 20:31:29 ± 0.1 |
Latitude | 42.7877 ± 0.0018 |
Longitude | 13.2010 ± 0.0037 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 42128901 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 330 |
Semi-minor axis of confidence ellipse (meter) | 30 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 96 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 80 |
Number of associated phases, regardless of their use for origin computation | 40 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27879 |
Number of stations at which the event was observed | 27 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 42128901 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-03-08 20:38:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2017-03-08T20:31:55.62 | 3.0 | undecidable | manual | S | 0.18 | 0 | |||
IV.RNI2.HHZ. | 2017-03-08T20:31:53.76 | 3.0 | undecidable | manual | P | 0.58 | 0 | |||
IV.LATB.EHZ. | 2017-03-08T20:31:51.06 | 3.0 | negative | manual | P | -2.21 | 0 | |||
IV.T1211.EHZ. | 2017-03-08T20:31:42.89 | 3.0 | undecidable | manual | S | -0.18 | 0 | |||
IV.ATCC.EHZ. | 2017-03-08T20:31:40.54 | 3.0 | negative | manual | P | -0.3 | 0 | |||
IV.EL6.EHZ. | 2017-03-08T20:31:40.22 | 3.0 | negative | manual | P | -0.21 | 0 | |||
IV.SNTG.HHZ. | 2017-03-08T20:31:39.67 | 3.0 | negative | manual | P | 0.04 | 0 | |||
IV.RM33.EHZ. | 2017-03-08T20:31:39.91 | 0.6 | undecidable | manual | S | 178 | 30.9468 | 101 | -0.46 | 45 |
IV.ASSB.HHZ. | 2017-03-08T20:31:38.78 | 3.0 | negative | manual | P | -0.21 | 0 | |||
IV.T1256.HHZ. | 2017-03-08T20:31:38.24 | 0.6 | undecidable | manual | S | 5 | 24.3534 | 104 | 0.11 | 49 |
IV.SMA1.EHZ. | 2017-03-08T20:31:37.08 | 0.6 | undecidable | manual | S | 148 | 20.5683 | 106 | 0.21 | 48 |
IV.T1217.EHZ. | 2017-03-08T20:31:37.81 | 0.6 | undecidable | manual | S | 249 | 23.5542 | 104 | -0.04 | 49 |
IV.T1222.EHZ. | 2017-03-08T20:31:37.72 | 3.0 | positive | manual | P | -0.12 | 0 | |||
IV.T1220.EHZ. | 2017-03-08T20:31:36.26 | 3.0 | negative | manual | P | -0.2 | 0 | |||
IV.T1241.EHZ. | 2017-03-08T20:31:36.83 | 0.6 | undecidable | manual | S | 68 | 20.2686 | 107 | 0.08 | 49 |
IV.T1216.EHZ. | 2017-03-08T20:31:36.30 | 0.6 | undecidable | manual | S | 308 | 18.6702 | 108 | 0.05 | 50 |
IV.TERO.HHZ. | 2017-03-08T20:31:36.15 | 3.0 | undecidable | manual | P | -0.63 | 0 | |||
IV.T1299.EHZ. | 2017-03-08T20:31:36.74 | 0.6 | undecidable | manual | S | 159 | 18.2706 | 108 | 0.64 | 43 |
IV.T1218.EHZ. | 2017-03-08T20:31:35.42 | 0.6 | undecidable | manual | S | 208 | 14.7741 | 112 | 0.45 | 46 |
IV.RM33.EHZ. | 2017-03-08T20:31:35.27 | 0.6 | positive | manual | P | 178 | 30.9468 | 101 | -0.47 | 45 |
IV.MMO1.EHZ. | 2017-03-08T20:31:35.48 | 0.6 | undecidable | manual | S | 40 | 16.0728 | 110 | 0.09 | 49 |
IV.CSP1.EHZ. | 2017-03-08T20:31:35.60 | 3.0 | undecidable | manual | P | -0.37 | 0 | |||
IV.GUMA.HHZ. | 2017-03-08T20:31:35.89 | 3.0 | positive | manual | P | 0.1 | 0 | |||
IV.T1256.HHZ. | 2017-03-08T20:31:34.24 | 1.0 | positive | manual | P | 5 | 24.3534 | 104 | -0.21 | 24 |
IV.T1215.EHZ. | 2017-03-08T20:31:34.66 | 3.0 | negative | manual | P | -0.04 | 0 | |||
IV.T1212.EHZ. | 2017-03-08T20:31:34.68 | 0.6 | undecidable | manual | S | 253 | 13.3755 | 114 | 0.17 | 49 |
IV.MC2.EHZ. | 2017-03-08T20:31:34.93 | 0.6 | undecidable | manual | S | 356 | 13.7751 | 114 | 0.29 | 48 |
IV.T1217.EHZ. | 2017-03-08T20:31:34.17 | 1.0 | undecidable | manual | P | 249 | 23.5542 | 104 | -0.12 | 24 |
IV.T1299.EHZ. | 2017-03-08T20:31:33.42 | 0.1 | negative | manual | P | 159 | 18.2706 | 108 | 0.14 | 98 |
IV.SMA1.EHZ. | 2017-03-08T20:31:33.61 | 0.3 | positive | manual | P | 148 | 20.5683 | 106 | -0.12 | 73 |
IV.T1241.EHZ. | 2017-03-08T20:31:33.62 | 0.3 | negative | manual | P | 68 | 20.2686 | 107 | -0.04 | 75 |
IV.T1216.EHZ. | 2017-03-08T20:31:33.12 | 0.6 | positive | manual | P | 308 | 18.6702 | 108 | -0.25 | 48 |
IV.MC2.EHZ. | 2017-03-08T20:31:32.54 | 0.1 | positive | manual | P | 356 | 13.7751 | 114 | 0.1 | 99 |
IV.T1245.HHZ. | 2017-03-08T20:31:32.74 | 0.6 | undecidable | manual | S | 352 | 7.6812 | 128 | -0.08 | 50 |
IV.T1218.EHZ. | 2017-03-08T20:31:32.65 | 0.6 | negative | manual | P | 208 | 14.7741 | 112 | 0.02 | 50 |
IV.MMO1.EHZ. | 2017-03-08T20:31:32.72 | 0.1 | positive | manual | P | 40 | 16.0728 | 110 | -0.15 | 98 |
IV.T1212.EHZ. | 2017-03-08T20:31:32.40 | 0.6 | positive | manual | P | 253 | 13.3755 | 114 | 0.04 | 50 |
IV.T1214.EHZ. | 2017-03-08T20:31:31.48 | 0.6 | undecidable | manual | S | 169 | 3.1968 | 152 | -0.31 | 48 |
IV.T1245.HHZ. | 2017-03-08T20:31:31.32 | 0.6 | negative | manual | P | 352 | 7.6812 | 128 | -0.07 | 50 |
IV.T1214.EHZ. | 2017-03-08T20:31:30.64 | 0.1 | undecidable | manual | P | 169 | 3.1968 | 152 | -0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GUMA.HHN. | ML:1.7 | 0.00021250000000000002 | 0.4 | AML | other | m | 2017-03-08T20:31:43.79 |
IV.GUMA.HHE. | ML:1.7 | 0.0002475 | 0.38 | AML | other | m | 2017-03-08T20:31:45.82 |
IV.RM33.EHN. | ML:1.5 | 0.00016399999999999997 | 0.72 | AML | other | m | 2017-03-08T20:31:40.15 |
IV.RM33.EHE. | ML:1.4 | 0.00011599999999999999 | 1.4 | AML | other | m | 2017-03-08T20:31:40.25 |
IV.SMA1.EHN. | ML:1.5 | 0.00024349999999999998 | 0.98 | AML | other | m | 2017-03-08T20:31:42.13 |
IV.SMA1.EHE. | ML:1.4 | 0.00021550000000000003 | 0.88 | AML | other | m | 2017-03-08T20:31:43.79 |
IV.T1212.EHN. | ML:1.5 | 0.000377 | 1.68 | AML | other | m | 2017-03-08T20:31:35.92 |
IV.T1212.HNN. | ML:1.5 | 0.0003725 | 1.68 | AML | other | m | 2017-03-08T20:31:35.08 |
IV.T1212.HNE. | ML:1.5 | 0.000422 | 0.44 | AML | other | m | 2017-03-08T20:31:36.26 |
IV.T1212.EHE. | ML:1.4 | 0.00032 | 0.34 | AML | other | m | 2017-03-08T20:31:37.14 |
IV.T1216.EHE. | ML:1.6 | 0.00036150000000000006 | 1.32 | AML | other | m | 2017-03-08T20:31:40.77 |
IV.T1216.EHN. | ML:1.6 | 0.000352 | 0.58 | AML | other | m | 2017-03-08T20:31:38.87 |
IV.T1218.HNN. | ML:1.7 | 0.000607 | 0.26 | AML | other | m | 2017-03-08T20:31:36.47 |
IV.T1218.EHE. | ML:1.6 | 0.0004005 | 0.48 | AML | other | m | 2017-03-08T20:31:35.60 |
IV.T1218.HNE. | ML:1.6 | 0.0004165 | 0.46 | AML | other | m | 2017-03-08T20:31:35.60 |
IV.T1218.EHN. | ML:1.7 | 0.0005965 | 0.26 | AML | other | m | 2017-03-08T20:31:36.34 |
IV.T1220.EHE. | ML:2.2 | 0.000557 | 0.32 | AML | other | m | 2017-03-08T20:31:44.40 |
IV.T1220.EHN. | ML:2.0 | 0.00034685 | 0.18 | AML | other | m | 2017-03-08T20:31:42.59 |
IV.T1241.EHN. | ML:1.5 | 0.000246 | 0.78 | AML | other | m | 2017-03-08T20:31:39.63 |
IV.T1241.EHE. | ML:1.5 | 0.0002665 | 1.4 | AML | other | m | 2017-03-08T20:31:39.71 |
IV.TERO.HHN. | ML:1.6 | 0.00013619999999999998 | 0.94 | AML | other | m | 2017-03-08T20:31:42.43 |
IV.TERO.HHE. | ML:1.5 | 0.00010915 | 0.88 | AML | other | m | 2017-03-08T20:31:43.46 |