A magnitude ML 1.1 earthquake occured in region: 4 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7250, 13.2250 at 10 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 | 4 | 667 | 667 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Amatrice | RI | 12 | 2657 | 4502 |
Cittareale | RI | 13 | 482 | 4984 |
Norcia | PG | 13 | 4957 | 9941 |
Montegallo | AP | 16 | 523 | 10464 |
Acquasanta Terme | AP | 16 | 2916 | 13380 |
Cascia | PG | 17 | 3217 | 16597 |
Castelsantangelo sul Nera | MC | 20 | 281 | 16878 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-12-01 23:52:07 |
42.7252 | 13.2248 | 10 | 2020-12-01 23:57:25 |
Sala Sismica INGV-Roma | 85140701 |
Field | Value |
---|---|
Time (UTC) | 2020-12-01 23:52:07 ± 0.09 |
Latitude | 42.7252 ± 0.0036 |
Longitude | 13.2248 ± 0.0061 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85140701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 428 |
Semi-minor axis of confidence ellipse (meter) | 323 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 113 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.12501 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43257 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 85140701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-01 23:57:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-12-01T23:52:21.10 | 0.1 | undecidable | manual | S | 358 | 40.7259 | 50 | 0.12 | 94 |
IV.TERO.HHZ. | 2020-12-01T23:52:18.58 | 0.1 | undecidable | manual | S | 110 | 32.9448 | 50 | -0.33 | 91 |
IV.MNTT.EHZ. | 2020-12-01T23:52:17.23 | 0.6 | positive | manual | P | 39 | 48.0186 | 50 | 0.88 | 36 |
IV.CSP1.EHZ. | 2020-12-01T23:52:15.12 | 0.6 | positive | manual | P | 358 | 40.7259 | 50 | -0.1 | 47 |
IV.LNSS.HHZ. | 2020-12-01T23:52:15.39 | 0.1 | undecidable | manual | S | 228 | 20.2686 | 115 | 0.26 | 94 |
IV.MMO1.EHZ. | 2020-12-01T23:52:15.60 | 0.1 | undecidable | manual | S | 23 | 21.0678 | 115 | 0.23 | 95 |
IV.MF5.EHZ. | 2020-12-01T23:52:14.72 | 1.0 | negative | manual | P | 33 | 34.8429 | 50 | 0.41 | 22 |
IV.FDMO.HHZ. | 2020-12-01T23:52:14.38 | 1.0 | negative | manual | P | 342 | 36.3414 | 50 | -0.16 | 23 |
IV.NRCA.HHZ. | 2020-12-01T23:52:13.17 | 0.1 | undecidable | manual | S | 323 | 15.0738 | 123 | -0.37 | 93 |
IV.SMA1.EHZ. | 2020-12-01T23:52:13.28 | 0.1 | undecidable | manual | S | 139 | 13.875 | 125 | 0.08 | 99 |
IV.TERO.HHZ. | 2020-12-01T23:52:13.77 | 1.0 | undecidable | manual | P | 110 | 32.9448 | 50 | -0.25 | 23 |
IV.MTRA.EHZ. | 2020-12-01T23:52:13.38 | 0.1 | undecidable | manual | S | 76 | 14.3745 | 124 | 0.02 | 100 |
IV.LNSS.HHZ. | 2020-12-01T23:52:11.71 | 0.1 | positive | manual | P | 228 | 20.2686 | 115 | -0.13 | 97 |
IV.MMO1.EHZ. | 2020-12-01T23:52:11.93 | 0.6 | positive | manual | P | 23 | 21.0678 | 115 | -0.05 | 49 |
IV.SMA1.EHZ. | 2020-12-01T23:52:11.14 | 1.0 | undecidable | manual | P | 139 | 13.875 | 125 | 0.42 | 23 |
IV.MTRA.EHZ. | 2020-12-01T23:52:10.35 | 0.6 | undecidable | manual | P | 76 | 14.3745 | 124 | -0.47 | 45 |
IV.NRCA.HHZ. | 2020-12-01T23:52:10.91 | 0.1 | positive | manual | P | 323 | 15.0738 | 123 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.00017999999999999998 | 0.2 | AML | other | m | 2020-12-01T23:52:13.37 |
IV.NRCA.HHE. | ML:1.4 | 0.0002515 | 0.16 | AML | other | m | 2020-12-01T23:52:13.41 |
IV.MTRA.EHN. | ML:1.0 | 0.0000931 | 0.86 | AML | other | m | 2020-12-01T23:52:13.39 |
IV.MTRA.EHE. | ML:1.0 | 0.00008895000000000001 | 1.54 | AML | other | m | 2020-12-01T23:52:14.82 |
IV.LNSS.HHE. | ML:1.1 | 0.00009795000000000001 | 0.12 | AML | other | m | 2020-12-01T23:52:15.45 |
IV.LNSS.HHN. | ML:1.2 | 0.0001285 | 0.16 | AML | other | m | 2020-12-01T23:52:15.67 |
IV.TERO.HHN. | ML:1.0 | 0.00004315 | 0.58 | AML | other | m | 2020-12-01T23:52:18.72 |
IV.TERO.HHE. | ML:0.8 | 0.000024750000000000002 | 1.28 | AML | other | m | 2020-12-01T23:52:18.77 |