A magnitude ML 1.5 earthquake occured in region: 4 km SW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6740, 13.2160 at 11 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 4 | 667 | 667 |
Amatrice | RI | 8 | 2657 | 3324 |
Cittareale | RI | 8 | 482 | 3806 |
Arquata del Tronto | AP | 13 | 1178 | 4984 |
Norcia | PG | 17 | 4957 | 9941 |
Montereale | AQ | 17 | 2581 | 12522 |
Cascia | PG | 17 | 3217 | 15739 |
Campotosto | AQ | 18 | 542 | 16281 |
Capitignano | AQ | 18 | 665 | 16946 |
Acquasanta Terme | AP | 19 | 2916 | 19862 |
Borbona | RI | 19 | 617 | 20479 |
Posta | RI | 19 | 694 | 21173 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-12-31 11:11:38 |
42.6743 | 13.2158 | 11 | 2021-02-26 14:56:17 |
Bollettino Sismico Italiano INGV | 86851051 |
Reviewed Rev100 |
ML 1.5 | 2020-12-31 11:11:38 |
42.6735 | 13.2145 | 11 | 2020-12-31 11:17:16 |
Sala Sismica INGV-Roma | 85903521 |
Field | Value |
---|---|
Time (UTC) | 2020-12-31 11:11:38 ± 0.05 |
Latitude | 42.6743 ± 0.0027 |
Longitude | 13.2158 ± 0.0049 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86851051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 370 |
Semi-minor axis of confidence ellipse (meter) | 300 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 255 |
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) | 107 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.06295 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40110 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 86851051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-25 16:44:38 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 85903521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-31 11:17:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-12-31T11:11:52.04 | 0.3 | undecidable | manual | S | 30 | 40.0266 | 90 | 0.37 | 66 |
IV.CESI.HHZ. | 2020-12-31T11:11:52.85 | 0.6 | undecidable | manual | S | 325 | 44.5221 | 90 | -0.03 | 47 |
IV.FDMO.HHZ. | 2020-12-31T11:11:51.79 | 0.6 | undecidable | manual | S | 345 | 41.5251 | 90 | -0.28 | 46 |
IV.TERO.HHZ. | 2020-12-31T11:11:49.13 | 0.3 | undecidable | manual | S | 100 | 32.1456 | 90 | -0.44 | 66 |
IV.MMO1.EHZ. | 2020-12-31T11:11:48.11 | 0.3 | undecidable | manual | S | 20 | 26.5512 | 90 | 0.04 | 72 |
IV.MC2.EHZ. | 2020-12-31T11:11:48.30 | 0.3 | undecidable | manual | S | 355 | 26.3514 | 90 | 0.27 | 69 |
IV.GAVE.EHZ. | 2020-12-31T11:11:47.97 | 0.3 | undecidable | manual | S | 274 | 26.2515 | 90 | -0.04 | 73 |
IV.FDMO.HHZ. | 2020-12-31T11:11:46.46 | 0.3 | undecidable | manual | P | 345 | 41.5251 | 90 | 0.12 | 69 |
IV.MF5.EHZ. | 2020-12-31T11:11:46.57 | 0.3 | undecidable | manual | P | 30 | 40.0266 | 90 | 0.45 | 65 |
IV.CESI.HHZ. | 2020-12-31T11:11:46.91 | 0.3 | undecidable | manual | P | 325 | 44.5221 | 90 | 0.1 | 69 |
IV.CAMP.HHE. | 2020-12-31T11:11:46.59 | 0.6 | undecidable | manual | S | 134 | 22.0668 | 90 | -0.27 | 46 |
IV.LNSS.HHZ. | 2020-12-31T11:11:45.20 | 0.3 | undecidable | manual | S | 241 | 16.3725 | 90 | -0.15 | 72 |
IV.MTRA.EHZ. | 2020-12-31T11:11:45.26 | 0.1 | undecidable | manual | S | 58 | 17.3715 | 90 | -0.35 | 93 |
IV.NRCA.HHZ. | 2020-12-31T11:11:45.88 | 0.1 | undecidable | manual | S | 335 | 19.4694 | 90 | -0.31 | 94 |
IV.TERO.HHZ. | 2020-12-31T11:11:44.72 | 0.1 | undecidable | manual | P | 100 | 32.1456 | 90 | -0.19 | 93 |
IV.MMO1.EHZ. | 2020-12-31T11:11:44.09 | 0.1 | undecidable | manual | P | 20 | 26.5512 | 90 | 0.05 | 96 |
IV.MC2.EHZ. | 2020-12-31T11:11:44.23 | 0.3 | undecidable | manual | P | 355 | 26.3514 | 90 | 0.22 | 70 |
IV.SMA1.EHZ. | 2020-12-31T11:11:43.98 | 0.1 | undecidable | manual | S | 116 | 10.878 | 114 | 0.06 | 100 |
IV.CAMP.HHE. | 2020-12-31T11:11:43.36 | 0.1 | undecidable | manual | P | 134 | 22.0668 | 90 | 0.02 | 99 |
IV.GAVE.EHZ. | 2020-12-31T11:11:43.96 | 0.1 | undecidable | manual | P | 274 | 26.2515 | 90 | -0.04 | 97 |
IV.NRCA.HHZ. | 2020-12-31T11:11:42.90 | 0.1 | undecidable | manual | P | 335 | 19.4694 | 90 | -0.05 | 99 |
IV.T1299.HNN. | 2020-12-31T11:11:42.97 | 0.6 | undecidable | manual | S | 129 | 6.993 | 136 | -0.11 | 49 |
IV.LNSS.HHZ. | 2020-12-31T11:11:42.49 | 0.1 | undecidable | manual | P | 241 | 16.3725 | 90 | 0.02 | 100 |
IV.MTRA.EHZ. | 2020-12-31T11:11:42.64 | 0.1 | undecidable | manual | P | 58 | 17.3715 | 90 | 0.02 | 99 |
IV.SMA1.EHZ. | 2020-12-31T11:11:41.85 | 0.1 | undecidable | manual | P | 116 | 10.878 | 114 | 0.21 | 97 |
IV.T1299.HNN. | 2020-12-31T11:11:41.36 | 0.3 | undecidable | manual | P | 129 | 6.993 | 136 | 0.2 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.6 | 0.0004984999999999999 | 0.18 | AML | other | m | 2020-12-31T11:11:44.54 |
IV.SMA1.EHN. | ML:1.5 | 0.000334 | 0.96 | AML | other | m | 2020-12-31T11:11:45.18 |
IV.LNSS.HHE. | ML:1.3 | 0.00015949999999999997 | 0.28 | AML | other | m | 2020-12-31T11:11:45.54 |
IV.MTRA.EHN. | ML:1.5 | 0.0002485 | 0.14 | AML | other | m | 2020-12-31T11:11:45.46 |
IV.MTRA.EHE. | ML:1.5 | 0.0002445 | 0.42 | AML | other | m | 2020-12-31T11:11:45.61 |
IV.NRCA.HHN. | ML:1.6 | 0.000259 | 0.12 | AML | other | m | 2020-12-31T11:11:46.06 |
IV.LNSS.HHN. | ML:1.2 | 0.0001465 | 0.58 | AML | other | m | 2020-12-31T11:11:46.14 |
IV.NRCA.HHE. | ML:1.8 | 0.000488 | 0.14 | AML | other | m | 2020-12-31T11:11:46.25 |
IV.GAVE.EHE. | ML:1.3 | 0.0001053 | 1.26 | AML | other | m | 2020-12-31T11:11:48.02 |
IV.GAVE.EHN. | ML:1.4 | 0.00013450000000000002 | 1.2 | AML | other | m | 2020-12-31T11:11:48.20 |