A magnitude ML 1.6 earthquake occured in region: 4 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7050, 13.2980 at 12 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 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Amatrice | RI | 8 | 2657 | 4502 |
Acquasanta Terme | AP | 12 | 2916 | 7418 |
Cittareale | RI | 15 | 482 | 7900 |
Montegallo | AP | 16 | 523 | 8423 |
Valle Castellana | TE | 17 | 977 | 9400 |
Campotosto | AQ | 17 | 542 | 9942 |
Rocca Santa Maria | TE | 19 | 537 | 10479 |
Norcia | PG | 19 | 4957 | 15436 |
Cortino | TE | 20 | 656 | 16092 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-12-02 18:34:54 |
42.7048 | 13.2977 | 12 | 2021-02-26 14:56:17 |
Bollettino Sismico Italiano INGV | 86653851 |
Field | Value |
---|---|
Time (UTC) | 2020-12-02 18:34:54 ± 0.1 |
Latitude | 42.7048 ± 0.0054 |
Longitude | 13.2977 ± 0.0086 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86653851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 670 |
Semi-minor axis of confidence ellipse (meter) | 389 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 259 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 72 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.07105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30667 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86653851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-28 11:53:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-12-02T18:35:06.95 | 0.6 | undecidable | manual | S | 23 | 34.0437 | 92 | 0.9 | 38 |
IV.MC2.EHZ. | 2020-12-02T18:35:03.66 | 0.6 | undecidable | manual | S | 339 | 24.5532 | 94 | 0.13 | 49 |
IV.LNSS.HHZ. | 2020-12-02T18:35:03.38 | 0.6 | undecidable | manual | S | 242 | 23.8539 | 94 | 0.04 | 49 |
IV.TERO.HHZ. | 2020-12-02T18:35:03.66 | 0.6 | undecidable | manual | S | 110 | 26.5512 | 93 | -0.41 | 45 |
IV.NRCA.HHZ. | 2020-12-02T18:35:02.11 | 0.3 | undecidable | manual | S | 314 | 20.6682 | 96 | -0.38 | 66 |
IV.MMO1.EHZ. | 2020-12-02T18:35:02.63 | 0.3 | undecidable | manual | S | 6 | 21.6672 | 95 | -0.14 | 70 |
IV.MF5.EHZ. | 2020-12-02T18:35:01.38 | 0.3 | undecidable | manual | P | 23 | 34.0437 | 92 | 0.21 | 70 |
IV.LNSS.HHZ. | 2020-12-02T18:34:59.51 | 0.1 | positive | manual | P | 242 | 23.8539 | 94 | -0.1 | 95 |
IV.TERO.HHZ. | 2020-12-02T18:34:59.75 | 0.3 | undecidable | manual | P | 110 | 26.5512 | 93 | -0.28 | 69 |
IV.MC2.EHZ. | 2020-12-02T18:34:59.90 | 0.3 | undecidable | manual | P | 339 | 24.5532 | 94 | 0.18 | 72 |
IV.SMA1.EHZ. | 2020-12-02T18:34:59.52 | 0.3 | undecidable | manual | S | 160 | 8.7801 | 131 | -0.02 | 75 |
IV.T1299.HNN. | 2020-12-02T18:34:59.59 | 0.6 | undecidable | manual | S | 189 | 7.881 | 135 | 0.22 | 48 |
IV.MMO1.EHZ. | 2020-12-02T18:34:59.12 | 0.1 | undecidable | manual | P | 6 | 21.6672 | 95 | -0.16 | 93 |
IV.MTRA.HNZ. | 2020-12-02T18:34:59.62 | 0.3 | undecidable | manual | S | 54 | 9.879 | 126 | -0.16 | 72 |
IV.NRCA.HHZ. | 2020-12-02T18:34:58.93 | 0.1 | undecidable | manual | P | 314 | 20.6682 | 96 | -0.19 | 93 |
IV.SMA1.EHZ. | 2020-12-02T18:34:57.54 | 0.1 | undecidable | manual | P | 160 | 8.7801 | 131 | 0.12 | 98 |
IV.T1299.HNN. | 2020-12-02T18:34:57.58 | 0.1 | undecidable | manual | P | 189 | 7.881 | 135 | 0.26 | 96 |
IV.MTRA.HNZ. | 2020-12-02T18:34:57.59 | 0.1 | negative | manual | P | 54 | 9.879 | 126 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.7 | 0.0005545 | 0.32 | AML | other | m | 2020-12-02T18:34:59.63 |
IV.SMA1.EHE. | ML:1.6 | 0.000428 | 0.28 | AML | other | m | 2020-12-02T18:34:59.84 |
IV.MTRA.EHN. | ML:1.6 | 0.0005110000000000001 | 0.06 | AML | other | m | 2020-12-02T18:34:59.72 |
IV.MTRA.EHE. | ML:1.7 | 0.0005489999999999999 | 0.92 | AML | other | m | 2020-12-02T18:35:00.70 |
IV.NRCA.HHE. | ML:1.6 | 0.0002595 | 0.18 | AML | other | m | 2020-12-02T18:35:02.28 |
IV.NRCA.HHN. | ML:1.7 | 0.00031800000000000003 | 0.62 | AML | other | m | 2020-12-02T18:35:02.36 |