A magnitude ML 1.3 earthquake occured in region: 4 km SE Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.7470, 13.4480 at 18 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 |
---|---|---|---|---|
Acquasanta Terme | AP | 4 | 2916 | 2916 |
Valle Castellana | TE | 4 | 977 | 3893 |
Rocca Santa Maria | TE | 9 | 537 | 4430 |
Arquata del Tronto | AP | 13 | 1178 | 5608 |
Roccafluvione | AP | 13 | 2010 | 7618 |
Montegallo | AP | 14 | 523 | 8141 |
Cortino | TE | 15 | 656 | 8797 |
Venarotta | AP | 16 | 2066 | 10863 |
Ascoli Piceno | AP | 16 | 49407 | 60270 |
Palmiano | AP | 17 | 196 | 60466 |
Folignano | AP | 17 | 9241 | 69707 |
Accumoli | RI | 17 | 667 | 70374 |
Civitella del Tronto | TE | 18 | 5116 | 75490 |
Amatrice | RI | 18 | 2657 | 78147 |
Campli | TE | 20 | 7209 | 85356 |
Torricella Sicura | TE | 20 | 2641 | 87997 |
Montemonaco | AP | 20 | 604 | 88601 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2017-08-31 20:36:42 |
42.7467 | 13.4483 | 18 | 2017-08-31 20:44:51 |
Sala Sismica INGV-Roma | 49554161 |
Field | Value |
---|---|
Time (UTC) | 2017-08-31 20:36:42 ± 0.07 |
Latitude | 42.7467 ± 0.0027 |
Longitude | 13.4483 ± 0.0037 |
Depth (km) | 18 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 49554161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 339 |
Semi-minor axis of confidence ellipse (meter) | 43 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 97 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 167 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30757 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 49554161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-08-31 20:44:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VIVA.HHZ. | 2017-08-31T20:37:20.85 | 3.0 | undecidable | manual | S | 0.11 | 0 | |||
IV.RM33.EHZ. | 2017-08-31T20:36:54.17 | 0.1 | undecidable | manual | S | 216 | 32.5452 | 109 | 0.03 | 95 |
IV.GIGS.HHZ. | 2017-08-31T20:36:54.53 | 0.3 | undecidable | manual | S | 163 | 34.1436 | 108 | 0 | 71 |
IV.T1218.EHZ. | 2017-08-31T20:36:53.15 | 0.3 | undecidable | manual | S | 253 | 28.4493 | 113 | 0.03 | 72 |
IV.MC2.EHZ. | 2017-08-31T20:36:53.03 | 0.3 | undecidable | manual | S | 311 | 27.9498 | 113 | 0.04 | 71 |
IV.CESI.HHZ. | 2017-08-31T20:36:52.58 | 3.0 | undecidable | manual | P | -0.01 | 0 | |||
IV.T1211.EHZ. | 2017-08-31T20:36:52.27 | 3.0 | negative | manual | P | -0.71 | 0 | |||
IV.T1214.EHZ. | 2017-08-31T20:36:51.08 | 0.3 | undecidable | manual | S | 274 | 19.5693 | 125 | 0.04 | 72 |
IV.TERO.HHZ. | 2017-08-31T20:36:51.11 | 0.1 | undecidable | manual | S | 137 | 18.6702 | 126 | 0.26 | 93 |
IV.CAMP.HHZ. | 2017-08-31T20:36:51.95 | 0.3 | undecidable | manual | S | 188 | 23.6541 | 119 | 0 | 72 |
IV.ARRO.EHZ. | 2017-08-31T20:36:51.86 | 3.0 | negative | manual | P | -1.89 | 0 | |||
IV.T1299.EHZ. | 2017-08-31T20:36:50.96 | 0.1 | undecidable | manual | S | 227 | 18.3705 | 127 | 0.18 | 95 |
IV.CSP1.EHZ. | 2017-08-31T20:36:50.78 | 3.0 | negative | manual | P | -0.24 | 0 | |||
IV.SMA1.EHZ. | 2017-08-31T20:36:50.14 | 0.1 | undecidable | manual | S | 216 | 15.873 | 132 | -0.11 | 96 |
IV.FDMO.HHZ. | 2017-08-31T20:36:50.62 | 3.0 | undecidable | manual | P | -0.45 | 0 | |||
IV.MMO1.EHZ. | 2017-08-31T20:36:50.93 | 0.1 | undecidable | manual | S | 330 | 19.5693 | 125 | -0.11 | 97 |
IV.T1216.EHZ. | 2017-08-31T20:36:49.92 | 3.0 | negative | manual | P | -0.3 | 0 | |||
IV.GIGS.HHZ. | 2017-08-31T20:36:49.30 | 0.1 | undecidable | manual | P | 163 | 34.1436 | 108 | -0.21 | 90 |
IV.OFFI.HHZ. | 2017-08-31T20:36:49.65 | 3.0 | undecidable | manual | P | 0.72 | 0 | |||
IV.RM33.EHZ. | 2017-08-31T20:36:49.17 | 0.1 | undecidable | manual | P | 216 | 32.5452 | 109 | -0.11 | 93 |
IV.CAMP.HHZ. | 2017-08-31T20:36:48.06 | 0.1 | positive | manual | P | 188 | 23.6541 | 119 | 0.04 | 97 |
IV.MTRA.EHZ. | 2017-08-31T20:36:48.46 | 0.1 | undecidable | manual | S | 285 | 4.3956 | 164 | -0.15 | 99 |
IV.T1218.EHZ. | 2017-08-31T20:36:48.53 | 0.1 | undecidable | manual | P | 253 | 28.4493 | 113 | -0.16 | 93 |
IV.MC2.EHZ. | 2017-08-31T20:36:48.67 | 0.1 | undecidable | manual | P | 311 | 27.9498 | 113 | 0.05 | 95 |
IV.MMO1.EHZ. | 2017-08-31T20:36:47.44 | 0.1 | undecidable | manual | P | 330 | 19.5693 | 125 | -0.06 | 98 |
IV.T1299.EHZ. | 2017-08-31T20:36:47.49 | 0.1 | undecidable | manual | P | 227 | 18.3705 | 127 | 0.15 | 96 |
IV.T1214.EHZ. | 2017-08-31T20:36:47.52 | 0.1 | undecidable | manual | P | 274 | 19.5693 | 125 | 0.03 | 97 |
IV.SMA1.EHZ. | 2017-08-31T20:36:47.13 | 0.1 | undecidable | manual | P | 216 | 15.873 | 132 | 0.09 | 97 |
IV.TERO.HHZ. | 2017-08-31T20:36:47.45 | 0.1 | undecidable | manual | P | 137 | 18.6702 | 126 | 0.07 | 97 |
IV.MTRA.EHZ. | 2017-08-31T20:36:46.08 | 0.1 | undecidable | manual | P | 285 | 4.3956 | 164 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:2.2 | 0.0015249999999999999 | 0.1 | AML | other | m | 2017-08-31T20:36:48.56 |
IV.MTRA.HNN. | ML:2.2 | 0.00151 | 0.1 | AML | other | m | 2017-08-31T20:36:48.56 |
IV.MTRA.EHE. | ML:2.1 | 0.001188 | 0.08 | AML | other | m | 2017-08-31T20:36:48.60 |
IV.MTRA.HNE. | ML:2.1 | 0.0012150000000000002 | 0.08 | AML | other | m | 2017-08-31T20:36:48.60 |
IV.SMA1.EHE. | ML:1.4 | 0.0001665 | 0.1 | AML | other | m | 2017-08-31T20:36:50.44 |
IV.SMA1.EHN. | ML:1.5 | 0.00022849999999999997 | 0.1 | AML | other | m | 2017-08-31T20:36:50.39 |
IV.T1299.EHN. | ML:1.0 | 0.00005385 | 0.32 | AML | other | m | 2017-08-31T20:36:51.18 |
IV.T1299.EHE. | ML:0.9 | 0.0000513 | 0.36 | AML | other | m | 2017-08-31T20:36:51.07 |
IV.TERO.HHN. | ML:1.4 | 0.000134 | 0.24 | AML | other | m | 2017-08-31T20:36:51.32 |
IV.TERO.HHE. | ML:1.3 | 0.00012945 | 0.58 | AML | other | m | 2017-08-31T20:36:51.56 |
IV.CAMP.HHE. | ML:1.1 | 0.00007159999999999999 | 0.66 | AML | other | m | 2017-08-31T20:36:52.08 |
IV.CAMP.HHN. | ML:1.2 | 0.0000821 | 0.36 | AML | other | m | 2017-08-31T20:36:52.27 |
IV.RM33.EHE. | ML:1.3 | 0.0000815 | 0.54 | AML | other | m | 2017-08-31T20:36:55.60 |
IV.GIGS.HHN. | ML:0.6 | 0.0000165 | 0.5 | AML | other | m | 2017-08-31T20:36:55.60 |
IV.RM33.EHN. | ML:1.2 | 0.00006934999999999999 | 0.32 | AML | other | m | 2017-08-31T20:36:55.81 |
IV.GIGS.HHE. | ML:1.0 | 0.0000336 | 0.76 | AML | other | m | 2017-08-31T20:36:56.39 |
IV.FDMO.HHE. | ML:1.1 | 0.000039149999999999996 | 0.22 | AML | other | m | 2017-08-31T20:36:57.55 |
IV.FDMO.HHN. | ML:1.2 | 0.00005135000000000001 | 0.54 | AML | other | m | 2017-08-31T20:36:57.76 |