A magnitude ML 1.0 earthquake occured in region: 3 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7730, 13.2590 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 | 3 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Montegallo | AP | 10 | 523 | 2368 |
Acquasanta Terme | AP | 12 | 2916 | 5284 |
Norcia | PG | 14 | 4957 | 10241 |
Montemonaco | AP | 15 | 604 | 10845 |
Amatrice | RI | 16 | 2657 | 13502 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13783 |
Cittareale | RI | 19 | 482 | 14265 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2020-12-10 08:39:54 |
42.7728 | 13.2587 | 11 | 2021-02-26 14:56:19 |
Bollettino Sismico Italiano INGV | 87308941 |
Reviewed Rev100 |
ML 2.0 | 2020-12-10 08:39:53 |
42.7737 | 13.264 | 12 | 2020-12-10 08:45:55 |
Sala Sismica INGV-Roma | 85333391 |
Field | Value |
---|---|
Time (UTC) | 2020-12-10 08:39:54 ± 0.05 |
Latitude | 42.7728 ± 0.0027 |
Longitude | 13.2587 ± 0.0049 |
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 | 87308941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 388 |
Semi-minor axis of confidence ellipse (meter) | 170 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 67 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 65 |
Number of associated phases, regardless of their use for origin computation | 38 |
Number of defining phases | 28 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34804 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 87308941 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-20 00:07:07 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.7 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 85333391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-10 08:45:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZONE.HHZ. | 2020-12-10T08:41:30.83 | 3.0 | undecidable | manual | Sn | -3.89 | 0 | |||
IV.MCEL.HHZ. | 2020-12-10T08:41:15.83 | 3.0 | undecidable | manual | Sn | -3.39 | 0 | |||
OX.CLUD.HHZ. | 2020-12-10T08:40:59.12 | 3.0 | undecidable | manual | Pg | 9.41 | 0 | |||
IV.TDS.HHZ. | 2020-12-10T08:40:51.88 | 3.0 | undecidable | manual | Pn | -0.53 | 0 | |||
IX.STN3.HHZ.02 | 2020-12-10T08:40:44.28 | 3.0 | positive | manual | Pg | 5.76 | 0 | |||
IV.CSNT.HHZ. | 2020-12-10T08:40:43.43 | 3.0 | undecidable | manual | Sn | 1.09 | 0 | |||
IV.RIBO.EHZ.01 | 2020-12-10T08:40:42.04 | 3.0 | undecidable | manual | Sn | -1.14 | 0 | |||
IV.PE3.EHZ. | 2020-12-10T08:40:27.98 | 3.0 | undecidable | manual | S | -1.56 | 0 | |||
IV.PE3.EHZ. | 2020-12-10T08:40:12.51 | 3.0 | positive | manual | P | -1.29 | 0 | |||
IV.CSP1.EHZ. | 2020-12-10T08:40:06.10 | 0.6 | undecidable | manual | S | 353 | 35.6421 | 50 | 0.05 | 48 |
IV.CESI.HHE. | 2020-12-10T08:40:06.90 | 0.6 | undecidable | manual | S | 312 | 38.628 | 50 | 0.07 | 47 |
IV.FDMO.HHZ. | 2020-12-10T08:40:05.04 | 0.6 | undecidable | manual | S | 335 | 32.3454 | 50 | -0.14 | 47 |
IV.MF5.EHZ. | 2020-12-10T08:40:05.02 | 0.6 | undecidable | manual | S | 34 | 28.9488 | 50 | 0.77 | 39 |
IV.GAVE.EHN. | 2020-12-10T08:40:05.46 | 0.6 | undecidable | manual | S | 253 | 31.0467 | 50 | 0.65 | 41 |
IV.TERO.HHZ. | 2020-12-10T08:40:04.92 | 0.6 | undecidable | manual | S | 120 | 32.745 | 50 | -0.34 | 45 |
IV.CAMP.HHE. | 2020-12-10T08:40:04.02 | 0.6 | undecidable | manual | S | 155 | 29.0487 | 50 | -0.26 | 46 |
IV.FOSV.EHZ. | 2020-12-10T08:40:03.82 | 3.0 | undecidable | manual | P | -2.66 | 0 | |||
IV.LNSS.HHZ. | 2020-12-10T08:40:03.57 | 0.6 | undecidable | manual | S | 223 | 25.9518 | 50 | 0.12 | 48 |
IV.CESI.HHE. | 2020-12-10T08:40:01.28 | 0.3 | undecidable | manual | P | 312 | 38.628 | 50 | -0.15 | 70 |
IV.T1299.HNN. | 2020-12-10T08:40:01.07 | 0.6 | undecidable | manual | S | 173 | 15.4734 | 125 | 0.45 | 46 |
IV.MC2.EHZ. | 2020-12-10T08:40:01.03 | 0.3 | undecidable | manual | S | 340 | 16.3725 | 124 | 0.16 | 73 |
IV.TERO.HHZ. | 2020-12-10T08:40:00.27 | 0.3 | undecidable | manual | P | 120 | 32.745 | 50 | -0.25 | 69 |
IV.SMA1.EHZ. | 2020-12-10T08:40:00.98 | 0.3 | undecidable | manual | S | 158 | 16.9719 | 123 | -0.07 | 74 |
IV.MF5.EHZ. | 2020-12-10T08:40:00.22 | 0.3 | undecidable | manual | P | 34 | 28.9488 | 50 | 0.29 | 69 |
IV.GAVE.EHN. | 2020-12-10T08:40:00.22 | 0.3 | undecidable | manual | P | 253 | 31.0467 | 50 | -0.04 | 72 |
IV.FDMO.HHZ. | 2020-12-10T08:40:00.19 | 0.3 | undecidable | manual | P | 335 | 32.3454 | 50 | -0.28 | 69 |
IV.MMO1.EHZ. | 2020-12-10T08:40:00.40 | 0.1 | undecidable | manual | S | 22 | 15.0738 | 126 | -0.1 | 98 |
IV.CSP1.EHZ. | 2020-12-10T08:40:00.77 | 0.3 | undecidable | manual | P | 353 | 35.6421 | 50 | -0.2 | 70 |
IV.CAMP.HHE. | 2020-12-10T08:39:59.88 | 0.3 | undecidable | manual | P | 155 | 29.0487 | 50 | -0.07 | 72 |
IV.NRCA.HHZ. | 2020-12-10T08:39:59.90 | 0.1 | undecidable | manual | S | 300 | 13.5753 | 129 | -0.17 | 96 |
IV.MTRA.EHE. | 2020-12-10T08:39:59.45 | 0.6 | undecidable | manual | S | 99 | 11.3775 | 134 | -0.06 | 49 |
IV.LNSS.HHZ. | 2020-12-10T08:39:59.35 | 0.3 | undecidable | manual | P | 223 | 25.9518 | 50 | -0.13 | 72 |
IV.MC2.EHZ. | 2020-12-10T08:39:58.00 | 0.1 | undecidable | manual | P | 340 | 16.3725 | 124 | 0.02 | 100 |
IV.SMA1.EHZ. | 2020-12-10T08:39:58.16 | 0.3 | undecidable | manual | P | 158 | 16.9719 | 123 | 0.07 | 74 |
IV.MMO1.EHZ. | 2020-12-10T08:39:57.72 | 0.1 | undecidable | manual | P | 22 | 15.0738 | 126 | -0.05 | 99 |
IV.T1299.HNN. | 2020-12-10T08:39:57.82 | 0.3 | undecidable | manual | P | 173 | 15.4734 | 125 | -0.02 | 74 |
IV.NRCA.HHZ. | 2020-12-10T08:39:57.55 | 0.1 | negative | manual | P | 300 | 13.5753 | 129 | 0.03 | 100 |
IV.MTRA.EHE. | 2020-12-10T08:39:57.61 | 0.3 | undecidable | manual | P | 99 | 11.3775 | 134 | 0.41 | 69 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.00017992265 | 0.1216 | AML | other | m | 2020-12-10T08:40:00.01 |
IV.NRCA.HHE. | ML:1.5 | 0.000286 | 0.44 | AML | other | m | 2020-12-10T08:40:00.21 |
IV.NRCA.HNE. | ML:1.3 | 0.00022194 | 0.0704 | AML | other | m | 2020-12-10T08:40:00.13 |
IV.NRCA.HNN. | ML:1.2 | 0.000171066615 | 0.1088 | AML | other | m | 2020-12-10T08:40:00.59 |
IV.SMA1.EHE. | ML:0.2 | 0.0000153575446 | 0.1792 | AML | other | m | 2020-12-10T08:40:01.16 |
IV.LNSS.HHE. | ML:1.0 | 0.00005033217 | 0.16 | AML | other | m | 2020-12-10T08:40:05.06 |
IV.LNSS.HHN. | ML:1.1 | 0.00007391416000000001 | 0.1792 | AML | other | m | 2020-12-10T08:40:03.78 |
IV.FDMO.HHE. | ML:0.4 | 0.000009127897999999999 | 0.2432 | AML | other | m | 2020-12-10T08:40:05.40 |
IV.FDMO.HHN. | ML:0.5 | 0.000015501704 | 0.2176 | AML | other | m | 2020-12-10T08:40:05.26 |
IV.TERO.HHN. | ML:0.9 | 0.000034288195 | 0.0832 | AML | other | m | 2020-12-10T08:40:05.40 |
IV.TERO.HHE. | ML:0.7 | 0.000019462125 | 0.1024 | AML | other | m | 2020-12-10T08:40:06.16 |