A magnitude ML 0.8 earthquake occured in region: 3 km N Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7200, 13.2540 at 10 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 |
---|---|---|---|---|
Accumoli | RI | 3 | 667 | 667 |
Arquata del Tronto | AP | 7 | 1178 | 1845 |
Amatrice | RI | 10 | 2657 | 4502 |
Cittareale | RI | 14 | 482 | 4984 |
Acquasanta Terme | AP | 14 | 2916 | 7900 |
Montegallo | AP | 15 | 523 | 8423 |
Norcia | PG | 15 | 4957 | 13380 |
Cascia | PG | 20 | 3217 | 16597 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2017-08-31 19:26:57 |
42.7203 | 13.2538 | 10 | 2017-08-31 19:45:26 |
Sala Sismica INGV-Roma | 49553181 |
Field | Value |
---|---|
Time (UTC) | 2017-08-31 19:26:57 ± 0.15 |
Latitude | 42.7203 ± 0.0036 |
Longitude | 13.2538 ± 0.0037 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 49553181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 374 |
Semi-minor axis of confidence ellipse (meter) | 194 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 235 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 186 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21314 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 49553181 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-08-31 19:45:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.HNZ. | 2017-08-31T19:27:06.86 | 0.3 | undecidable | manual | S | 188 | 23.6541 | 112 | 0.04 | 73 |
IV.T1218.EHZ. | 2017-08-31T19:27:03.50 | 0.1 | undecidable | manual | S | 244 | 12.5763 | 128 | 0.03 | 99 |
IV.TERO.HHZ. | 2017-08-31T19:27:03.83 | 3.0 | undecidable | manual | P | -0.03 | 0 | |||
IV.SMA1.EHZ. | 2017-08-31T19:27:03.23 | 0.1 | undecidable | manual | S | 146 | 11.9769 | 129 | -0.07 | 98 |
IV.RM33.HNZ. | 2017-08-31T19:27:02.89 | 0.6 | undecidable | manual | P | 188 | 23.6541 | 112 | -0.17 | 47 |
IV.T1214.EHZ. | 2017-08-31T19:27:01.86 | 0.3 | undecidable | manual | S | 320 | 5.6943 | 150 | 0.01 | 75 |
IV.T1218.EHZ. | 2017-08-31T19:27:01.11 | 0.1 | undecidable | manual | P | 244 | 12.5763 | 128 | -0.02 | 99 |
IV.SMA1.EHZ. | 2017-08-31T19:27:01.18 | 0.1 | negative | manual | P | 146 | 11.9769 | 129 | 0.15 | 96 |
IV.MTRA.EHZ. | 2017-08-31T19:27:01.01 | 3.0 | undecidable | manual | P | 0.05 | 0 | |||
IV.T1214.EHZ. | 2017-08-31T19:27:00.17 | 0.1 | undecidable | manual | P | 320 | 5.6943 | 150 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.2 | 0.000183 | 0.9 | AML | other | m | 2017-08-31T19:27:03.54 |
IV.MTRA.EHN. | ML:1.1 | 0.000146 | 0.9 | AML | other | m | 2017-08-31T19:27:03.08 |
IV.SMA1.EHE. | ML:0.9 | 0.00009789999999999998 | 0.28 | AML | other | m | 2017-08-31T19:27:03.77 |
IV.SMA1.EHN. | ML:0.7 | 0.00006185 | 1.44 | AML | other | m | 2017-08-31T19:27:03.84 |
IV.LNSS.HHN. | ML:0.8 | 0.00003925 | 1.54 | AML | other | m | 2017-08-31T19:27:06.12 |
IV.LNSS.HHE. | ML:0.7 | 0.00003535 | 0.52 | AML | other | m | 2017-08-31T19:27:06.35 |
IV.RM33.EHN. | ML:0.7 | 0.00003115 | 0.18 | AML | other | m | 2017-08-31T19:27:07.06 |
IV.RM33.EHE. | ML:0.7 | 0.00003105 | 0.3 | AML | other | m | 2017-08-31T19:27:08.41 |
IV.CESI.HHN. | ML:0.8 | 0.0000223 | 0.94 | AML | other | m | 2017-08-31T19:27:11.72 |
IV.CESI.HHE. | ML:0.7 | 0.000014750000000000001 | 0.42 | AML | other | m | 2017-08-31T19:27:11.67 |