A magnitude ML 0.9 earthquake occured in region: 8 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7530, 13.1990 at 9 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 | 8 | 667 | 667 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Norcia | PG | 10 | 4957 | 6802 |
Montegallo | AP | 15 | 523 | 7325 |
Cittareale | RI | 15 | 482 | 7807 |
Amatrice | RI | 16 | 2657 | 10464 |
Cascia | PG | 16 | 3217 | 13681 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13962 |
Acquasanta Terme | AP | 17 | 2916 | 16878 |
Preci | PG | 19 | 724 | 17602 |
Montemonaco | AP | 19 | 604 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-12-23 16:51:05 |
42.7532 | 13.1992 | 9 | 2020-12-23 16:56:32 |
Sala Sismica INGV-Roma | 85656041 |
Field | Value |
---|---|
Time (UTC) | 2020-12-23 16:51:05 ± 0.09 |
Latitude | 42.7532 ± 0.0018 |
Longitude | 13.1992 ± 0.0024 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85656041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 200 |
Semi-minor axis of confidence ellipse (meter) | 77 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 129 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 200.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 108 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23203 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 85656041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-23 16:56:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
AC.VLO.HHZ. | 2020-12-23T16:52:28.36 | 3.0 | negative | manual | Pg | 24.379999 | 0 | |||
IV.MILZ.HHZ. | 2020-12-23T16:52:08.92 | 3.0 | undecidable | manual | Pg | 10.51 | 0 | |||
SI.BOSI.HHZ. | 2020-12-23T16:52:01.48 | 3.0 | undecidable | manual | Pg | 9.4 | 0 | |||
IV.COR1.EHZ. | 2020-12-23T16:51:32.25 | 3.0 | undecidable | manual | Sn | -0.14 | 0 | |||
IV.LRP.EHZ. | 2020-12-23T16:51:30.48 | 3.0 | undecidable | manual | Sn | -2.1 | 0 | |||
IV.IMOL.HNZ. | 2020-12-23T16:51:24.41 | 3.0 | positive | manual | Pn | -1.63 | 0 | |||
IV.MRB1.HHZ. | 2020-12-23T16:51:24.08 | 3.0 | negative | manual | Pn | 0.63 | 0 | |||
IV.CPGN.EHZ. | 2020-12-23T16:51:24.45 | 3.0 | undecidable | manual | Pg | 6.55 | 0 | |||
IV.ARCI.HHZ. | 2020-12-23T16:51:20.13 | 3.0 | undecidable | manual | Pn | 1.25 | 0 | |||
IT.PLTA.HNZ. | 2020-12-23T16:51:16.85 | 3.0 | positive | manual | Pn | 0.85 | 0 | |||
IV.BSSO.HHZ. | 2020-12-23T16:51:15.94 | 3.0 | undecidable | manual | P | -1.68 | 0 | |||
IV.GAVE.EHZ. | 2020-12-23T16:51:14.82 | 0.1 | undecidable | manual | S | 255 | 25.752 | 110 | 0.05 | 98 |
IV.LNSS.HHZ. | 2020-12-23T16:51:13.26 | 0.3 | undecidable | manual | S | 218 | 21.0678 | 113 | 0 | 75 |
IV.SMA1.EHZ. | 2020-12-23T16:51:12.11 | 0.6 | undecidable | manual | S | 141 | 17.5713 | 117 | -0.04 | 50 |
IV.MMO1.EHZ. | 2020-12-23T16:51:12.64 | 0.3 | undecidable | manual | S | 33 | 19.2696 | 115 | -0.04 | 75 |
IV.NRCA.HHZ. | 2020-12-23T16:51:10.26 | 0.3 | undecidable | manual | S | 322 | 11.2776 | 129 | -0.06 | 75 |
IV.GAVE.EHZ. | 2020-12-23T16:51:10.67 | 0.1 | undecidable | manual | P | 255 | 25.752 | 110 | -0.09 | 97 |
IV.LNSS.HHZ. | 2020-12-23T16:51:09.83 | 0.1 | undecidable | manual | P | 218 | 21.0678 | 113 | -0.06 | 99 |
IV.SMA1.EHZ. | 2020-12-23T16:51:09.35 | 0.3 | undecidable | manual | P | 141 | 17.5713 | 117 | 0.1 | 74 |
IV.MMO1.EHZ. | 2020-12-23T16:51:09.54 | 0.1 | undecidable | manual | P | 33 | 19.2696 | 115 | -0.02 | 100 |
IV.NRCA.HHZ. | 2020-12-23T16:51:08.32 | 0.1 | undecidable | manual | P | 322 | 11.2776 | 129 | 0.13 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.8 | 0.00008025 | 0.08 | AML | other | m | 2020-12-23T16:51:11.64 |
IV.NRCA.HHE. | ML:0.9 | 0.0001001 | 0.64 | AML | other | m | 2020-12-23T16:51:12.52 |
IV.SMA1.EHE. | ML:0.6 | 0.000028250000000000002 | 0.44 | AML | other | m | 2020-12-23T16:51:12.23 |
IV.LNSS.HHN. | ML:1.0 | 0.0000633 | 0.78 | AML | other | m | 2020-12-23T16:51:13.46 |
IV.LNSS.HHE. | ML:1.1 | 0.00008505000000000001 | 0.42 | AML | other | m | 2020-12-23T16:51:13.50 |
IV.SMA1.EHN. | ML:0.5 | 0.000026299999999999996 | 1.06 | AML | other | m | 2020-12-23T16:51:14.04 |
IV.GAVE.EHN. | ML:0.9 | 0.000049800000000000004 | 0.76 | AML | other | m | 2020-12-23T16:51:15.38 |
IV.GAVE.EHE. | ML:0.9 | 0.00005234999999999999 | 0.72 | AML | other | m | 2020-12-23T16:51:15.05 |
IV.NRCA.HNE. | ML:1.1 | 0.00015489999999999997 | 0.46 | AML | other | m | 2020-12-23T16:51:16.44 |
IV.NRCA.HNN. | ML:1.4 | 0.000273 | 0.84 | AML | other | m | 2020-12-23T16:51:18.53 |