A magnitude ML 0.7 earthquake occured in region: 4 km SW Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.7380, 13.3780 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 |
---|---|---|---|---|
Acquasanta Terme | AP | 4 | 2916 | 2916 |
Arquata del Tronto | AP | 8 | 1178 | 4094 |
Valle Castellana | TE | 10 | 977 | 5071 |
Accumoli | RI | 12 | 667 | 5738 |
Montegallo | AP | 12 | 523 | 6261 |
Rocca Santa Maria | TE | 14 | 537 | 6798 |
Amatrice | RI | 14 | 2657 | 9455 |
Roccafluvione | AP | 16 | 2010 | 11465 |
Cortino | TE | 17 | 656 | 12121 |
Montemonaco | AP | 19 | 604 | 12725 |
Venarotta | AP | 19 | 2066 | 14791 |
Palmiano | AP | 19 | 196 | 14987 |
Campotosto | AQ | 20 | 542 | 15529 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2020-12-21 03:15:15 |
42.738 | 13.3778 | 10 | 2020-12-21 03:20:06 |
Sala Sismica INGV-Roma | 85592281 |
Field | Value |
---|---|
Time (UTC) | 2020-12-21 03:15:15 ± 0.08 |
Latitude | 42.7380 ± 0.0054 |
Longitude | 13.3778 ± 0.0073 |
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 | 85592281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 564 |
Semi-minor axis of confidence ellipse (meter) | 509 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 260 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 89 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.02338 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25631 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 85592281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-21 03:20:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-12-21T03:15:26.20 | 0.1 | undecidable | manual | S | 13 | 28.4493 | 50 | 0.32 | 89 |
IV.TERO.HHZ. | 2020-12-21T03:15:24.02 | 0.1 | undecidable | manual | S | 125 | 22.4553 | 114 | -0.1 | 98 |
IV.MF5.EHZ. | 2020-12-21T03:15:21.65 | 1.0 | positive | manual | P | 13 | 28.4493 | 50 | 0.12 | 23 |
IV.T1299.EHE. | 2020-12-21T03:15:21.77 | 0.3 | undecidable | manual | S | 214 | 13.875 | 126 | 0.23 | 73 |
IV.SMA1.EHZ. | 2020-12-21T03:15:20.99 | 0.3 | undecidable | manual | S | 196 | 12.3765 | 129 | -0.14 | 73 |
IV.MC2.EHZ. | 2020-12-21T03:15:20.81 | 0.6 | undecidable | manual | P | 321 | 24.6531 | 112 | -0.11 | 50 |
IV.NRCA.HHZ. | 2020-12-21T03:15:20.32 | 0.3 | negative | manual | P | 296 | 23.9538 | 113 | -0.47 | 69 |
IV.TERO.HHZ. | 2020-12-21T03:15:20.41 | 0.1 | undecidable | manual | P | 125 | 22.4553 | 114 | -0.1 | 98 |
IV.MMO1.EHZ. | 2020-12-21T03:15:19.53 | 0.6 | undecidable | manual | P | 347 | 18.3705 | 119 | -0.25 | 48 |
IV.T1299.EHE. | 2020-12-21T03:15:19.16 | 0.1 | undecidable | manual | P | 214 | 13.875 | 126 | 0.13 | 98 |
IV.MTRA.EHZ. | 2020-12-21T03:15:19.08 | 0.3 | undecidable | manual | S | 36 | 2.5974 | 166 | -0.11 | 75 |
IV.SMA1.EHZ. | 2020-12-21T03:15:18.96 | 0.1 | undecidable | manual | P | 196 | 12.3765 | 129 | 0.17 | 98 |
IV.MTRA.EHZ. | 2020-12-21T03:15:17.81 | 0.1 | positive | manual | P | 36 | 2.5974 | 166 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:0.9 | 0.000136 | 0.9 | AML | other | m | 2020-12-21T03:15:19.16 |
IV.MTRA.EHN. | ML:0.8 | 0.00010600000000000002 | 1.8 | AML | other | m | 2020-12-21T03:15:20.03 |
IV.SMA1.EHE. | ML:0.6 | 0.0000407 | 0.42 | AML | other | m | 2020-12-21T03:15:21.59 |
IV.SMA1.EHN. | ML:0.6 | 0.000044899999999999994 | 0.64 | AML | other | m | 2020-12-21T03:15:22.02 |
IV.NRCA.HHN. | ML:0.9 | 0.0000479 | 1.08 | AML | other | m | 2020-12-21T03:15:23.88 |
IV.NRCA.HHE. | ML:1.0 | 0.00006195 | 0.44 | AML | other | m | 2020-12-21T03:15:24.05 |
IV.TERO.HHN. | ML:0.5 | 0.0000207 | 1.14 | AML | other | m | 2020-12-21T03:15:24.81 |
IV.TERO.HHE. | ML:0.4 | 0.0000149 | 0.74 | AML | other | m | 2020-12-21T03:15:24.44 |