A magnitude ML 1.2 earthquake occured in region: 5 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7640, 13.2330 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 5 | 1178 | 1178 |
Accumoli | RI | 8 | 667 | 1845 |
Norcia | PG | 12 | 4957 | 6802 |
Montegallo | AP | 12 | 523 | 7325 |
Acquasanta Terme | AP | 15 | 2916 | 10241 |
Amatrice | RI | 16 | 2657 | 12898 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13179 |
Montemonaco | AP | 17 | 604 | 13783 |
Cittareale | RI | 17 | 482 | 14265 |
Cascia | PG | 19 | 3217 | 17482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-01-20 18:39:54 |
42.7637 | 13.2328 | 11 | 2021-07-12 16:55:01 |
Bollettino Sismico Italiano INGV | 87945461 |
Reviewed Rev100 |
ML 1.2 | 2021-01-20 18:39:54 |
42.766 | 13.2378 | 11 | 2021-01-20 18:43:42 |
Sala Sismica INGV-Roma | 86406481 |
Field | Value |
---|---|
Time (UTC) | 2021-01-20 18:39:54 ± 0.04 |
Latitude | 42.7637 ± 0.0018 |
Longitude | 13.2328 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87945461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 324 |
Semi-minor axis of confidence ellipse (meter) | 230 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 76 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 57 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.11152 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38941 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 86406481 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-20 18:43:42 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 87945461 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-30 08:30:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-01-20T18:40:06.38 | 0.6 | undecidable | manual | S | 356 | 36.4413 | 50 | 0.03 | 48 |
IV.CESI.HHZ. | 2021-01-20T18:40:06.68 | 0.6 | undecidable | manual | S | 315 | 37.8288 | 50 | -0.03 | 48 |
IV.MF5.EHZ. | 2021-01-20T18:40:05.81 | 0.6 | undecidable | manual | S | 36 | 30.9468 | 50 | 0.93 | 37 |
IV.TERO.HHZ. | 2021-01-20T18:40:05.31 | 0.6 | undecidable | manual | S | 117 | 34.0437 | 50 | -0.4 | 45 |
IV.FDMO.HHZ. | 2021-01-20T18:40:05.11 | 0.6 | undecidable | manual | S | 339 | 32.5452 | 50 | -0.18 | 47 |
IV.RM33.EHZ. | 2021-01-20T18:40:04.17 | 0.6 | undecidable | manual | S | 183 | 28.2495 | 50 | 0 | 49 |
IV.GAVE.EHZ. | 2021-01-20T18:40:04.20 | 0.6 | undecidable | manual | S | 254 | 28.749 | 50 | -0.08 | 48 |
IV.LNSS.HHZ. | 2021-01-20T18:40:03.11 | 0.6 | undecidable | manual | S | 221 | 23.754 | 50 | 0.15 | 48 |
IV.ARRO.EHZ. | 2021-01-20T18:40:02.35 | 0.3 | undecidable | manual | P | 242 | 43.2234 | 50 | 0.13 | 70 |
IV.CESI.HHZ. | 2021-01-20T18:40:01.29 | 0.3 | undecidable | manual | P | 315 | 37.8288 | 50 | -0.09 | 71 |
IV.MC2.EHZ. | 2021-01-20T18:40:01.08 | 0.3 | undecidable | manual | S | 348 | 16.7721 | 123 | 0.04 | 75 |
IV.CSP1.EHZ. | 2021-01-20T18:40:01.10 | 0.1 | undecidable | manual | P | 356 | 36.4413 | 50 | -0.08 | 96 |
IV.FDMO.HHZ. | 2021-01-20T18:40:00.36 | 0.1 | undecidable | manual | P | 339 | 32.5452 | 50 | -0.21 | 94 |
IV.MMO1.EHZ. | 2021-01-20T18:40:00.91 | 0.6 | undecidable | manual | S | 27 | 16.872 | 123 | -0.16 | 49 |
IV.MF5.EHZ. | 2021-01-20T18:40:00.59 | 0.1 | undecidable | manual | P | 36 | 30.9468 | 50 | 0.26 | 93 |
IV.TERO.HHZ. | 2021-01-20T18:40:00.66 | 0.1 | undecidable | manual | P | 117 | 34.0437 | 50 | -0.15 | 95 |
IV.T1299.HNN. | 2021-01-20T18:40:00.78 | 0.6 | undecidable | manual | S | 164 | 14.874 | 126 | 0.27 | 48 |
IV.SMA1.EHZ. | 2021-01-20T18:40:00.94 | 0.6 | undecidable | manual | S | 150 | 16.9719 | 123 | -0.16 | 49 |
IV.MTRA.HNZ. | 2021-01-20T18:39:59.80 | 0.3 | undecidable | manual | S | 93 | 13.3755 | 129 | -0.28 | 72 |
IV.LNSS.HHZ. | 2021-01-20T18:39:59.18 | 0.1 | undecidable | manual | P | 221 | 23.754 | 50 | -0.04 | 98 |
IV.RM33.EHZ. | 2021-01-20T18:39:59.82 | 0.1 | undecidable | manual | P | 183 | 28.2495 | 50 | -0.1 | 97 |
IV.NRCA.HNZ. | 2021-01-20T18:39:59.63 | 0.6 | undecidable | manual | S | 309 | 12.3765 | 131 | -0.19 | 49 |
IV.GAVE.EHZ. | 2021-01-20T18:39:59.94 | 0.3 | undecidable | manual | P | 254 | 28.749 | 50 | -0.05 | 73 |
IV.T1299.HNN. | 2021-01-20T18:39:58.06 | 0.1 | undecidable | manual | P | 164 | 14.874 | 126 | 0.26 | 96 |
IV.SMA1.EHZ. | 2021-01-20T18:39:58.17 | 0.1 | undecidable | manual | P | 150 | 16.9719 | 123 | 0.03 | 100 |
IV.MMO1.EHZ. | 2021-01-20T18:39:58.08 | 0.1 | undecidable | manual | P | 27 | 16.872 | 123 | -0.05 | 99 |
IV.MC2.EHZ. | 2021-01-20T18:39:58.18 | 0.1 | undecidable | manual | P | 348 | 16.7721 | 123 | 0.07 | 99 |
IV.NRCA.HNZ. | 2021-01-20T18:39:57.47 | 0.1 | negative | manual | P | 309 | 12.3765 | 131 | 0.06 | 100 |
IV.MTRA.HNZ. | 2021-01-20T18:39:57.61 | 0.1 | undecidable | manual | P | 93 | 13.3755 | 129 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.8 | 0.000615 | 0.18 | AML | other | m | 2021-01-20T18:39:59.69 |
IV.NRCA.HHN. | ML:1.6 | 0.0004525 | 0.12 | AML | other | m | 2021-01-20T18:39:59.69 |
IV.MTRA.EHE. | ML:1.4 | 0.000272 | 0.34 | AML | other | m | 2021-01-20T18:40:00.23 |
IV.MTRA.EHN. | ML:1.4 | 0.000255 | 0.3 | AML | other | m | 2021-01-20T18:40:00.51 |
IV.SMA1.EHE. | ML:1.0 | 0.0000921 | 1.12 | AML | other | m | 2021-01-20T18:40:01.23 |
IV.SMA1.EHN. | ML:0.9 | 0.00007085 | 0.9 | AML | other | m | 2021-01-20T18:40:01.37 |
IV.LNSS.HHE. | ML:1.2 | 0.00010270000000000002 | 0.88 | AML | other | m | 2021-01-20T18:40:04.59 |
IV.RM33.EHN. | ML:1.2 | 0.00007294999999999998 | 0.74 | AML | other | m | 2021-01-20T18:40:04.33 |
IV.FDMO.HHN. | ML:0.9 | 0.00003555 | 0.92 | AML | other | m | 2021-01-20T18:40:05.82 |
IV.FDMO.HHE. | ML:0.9 | 0.00003545 | 0.24 | AML | other | m | 2021-01-20T18:40:05.37 |
IV.LNSS.HHN. | ML:1.1 | 0.00007395000000000001 | 0.64 | AML | other | m | 2021-01-20T18:40:05.69 |
IV.TERO.HHN. | ML:1.2 | 0.00007205 | 0.3 | AML | other | m | 2021-01-20T18:40:05.80 |
IV.RM33.EHE. | ML:1.2 | 0.00008285000000000001 | 1.04 | AML | other | m | 2021-01-20T18:40:05.81 |
IV.CESI.HHN. | ML:1.3 | 0.0000724 | 1.62 | AML | other | m | 2021-01-20T18:40:06.94 |
IV.CESI.HHE. | ML:1.2 | 0.0000537 | 1.04 | AML | other | m | 2021-01-20T18:40:07.92 |
IV.CSP1.EHN. | ML:1.6 | 0.0001449 | 0.52 | AML | other | m | 2021-01-20T18:40:07.91 |
IV.CSP1.EHE. | ML:1.3 | 0.00007364999999999999 | 1.22 | AML | other | m | 2021-01-20T18:40:07.75 |
IV.TERO.HHE. | ML:1.1 | 0.0000494 | 1.54 | AML | other | m | 2021-01-20T18:40:07.03 |