A magnitude ML 0.5 earthquake occured in region: 5 km SW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6500, 13.2280 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 | 5 | 667 | 667 |
Amatrice | RI | 6 | 2657 | 3324 |
Cittareale | RI | 7 | 482 | 3806 |
Montereale | AQ | 14 | 2581 | 6387 |
Arquata del Tronto | AP | 15 | 1178 | 7565 |
Capitignano | AQ | 16 | 665 | 8230 |
Campotosto | AQ | 16 | 542 | 8772 |
Borbona | RI | 17 | 617 | 9389 |
Posta | RI | 18 | 694 | 10083 |
Cascia | PG | 19 | 3217 | 13300 |
Norcia | PG | 19 | 4957 | 18257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2021-02-17 07:40:08 |
42.6497 | 13.2278 | 12 | 2021-07-12 16:54:59 |
Bollettino Sismico Italiano INGV | 87405851 |
Reviewed Rev100 |
ML 0.5 | 2021-02-17 07:40:09 |
42.6512 | 13.2547 | 5 | 2021-02-17 07:49:20 |
Sala Sismica INGV-Roma | 87232821 |
Field | Value |
---|---|
Time (UTC) | 2021-02-17 07:40:08 ± 0.07 |
Latitude | 42.6497 ± 0.0036 |
Longitude | 13.2278 ± 0.0037 |
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 | 87405851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 363 |
Semi-minor axis of confidence ellipse (meter) | 184 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 29 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 19 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44247 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87405851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-23 12:39:49 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 87232821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-17 07:49:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
ST.CARE.EHZ. | 2021-02-17T07:41:46.65 | 3.0 | undecidable | manual | Sn | -1.9 | 0 | |||
IV.SPS2.HHZ. | 2021-02-17T07:41:45.69 | 3.0 | undecidable | manual | Sn | 0.63 | 0 | |||
IV.GIZZ.HHZ. | 2021-02-17T07:41:44.40 | 3.0 | undecidable | manual | Sn | -3.84 | 0 | |||
IV.MILN.HNZ. | 2021-02-17T07:41:35.15 | 3.0 | undecidable | manual | Sn | -1.03 | 0 | |||
IV.OPPE.HHZ. | 2021-02-17T07:41:22.67 | 3.0 | undecidable | manual | Sn | 1.41 | 0 | |||
IT.PLTA.HNZ. | 2021-02-17T07:41:03.47 | 3.0 | undecidable | manual | Sg | 8.77 | 0 | |||
IV.SENI.HNZ. | 2021-02-17T07:40:48.64 | 3.0 | undecidable | manual | Sg | -1.54 | 0 | |||
IV.APEC.HHZ. | 2021-02-17T07:40:45.70 | 3.0 | undecidable | manual | Sg | 2.94 | 0 | |||
IV.CRTC.HHZ. | 2021-02-17T07:40:42.90 | 3.0 | undecidable | manual | Sn | -6.09 | 0 | |||
IV.FIU.EHZ. | 2021-02-17T07:40:39.30 | 3.0 | undecidable | manual | Pg | 7.25 | 0 | |||
IV.BOZZ.EHZ. | 2021-02-17T07:40:37.31 | 3.0 | negative | manual | Pn | -2.71 | 0 | |||
IV.TERO.HHZ. | 2021-02-17T07:40:19.02 | 0.3 | undecidable | manual | S | 95 | 30.8469 | 94 | -0.13 | 74 |
IV.GAVE.HNZ. | 2021-02-17T07:40:18.35 | 0.3 | undecidable | manual | S | 280 | 27.6501 | 94 | 0.05 | 75 |
IV.MMO1.EHZ. | 2021-02-17T07:40:18.88 | 0.3 | undecidable | manual | S | 16 | 28.8489 | 94 | 0.26 | 72 |
IV.CSP1.EHZ. | 2021-02-17T07:40:17.40 | 0.6 | undecidable | manual | P | 358 | 49.1175 | 92 | -0.04 | 49 |
IV.NRCA.HHZ. | 2021-02-17T07:40:16.79 | 0.3 | undecidable | manual | S | 336 | 22.3554 | 97 | -0.12 | 76 |
IV.MF5.EHZ. | 2021-02-17T07:40:16.56 | 1.0 | undecidable | manual | P | 27 | 42.0246 | 92 | 0.21 | 24 |
IV.LNSS.HHZ. | 2021-02-17T07:40:15.44 | 0.3 | undecidable | manual | S | 251 | 16.1727 | 106 | 0.16 | 75 |
IV.ARRO.EHZ. | 2021-02-17T07:40:15.39 | 0.3 | undecidable | manual | P | 258 | 38.5281 | 92 | -0.43 | 69 |
IV.TERO.HHZ. | 2021-02-17T07:40:14.70 | 0.1 | undecidable | manual | P | 95 | 30.8469 | 94 | 0.07 | 100 |
IV.RM33.EHZ. | 2021-02-17T07:40:14.95 | 0.3 | undecidable | manual | S | 184 | 15.6732 | 107 | -0.19 | 75 |
IV.GAVE.HNZ. | 2021-02-17T07:40:14.21 | 0.6 | undecidable | manual | P | 280 | 27.6501 | 94 | 0.07 | 50 |
IV.MMO1.EHZ. | 2021-02-17T07:40:14.12 | 0.3 | undecidable | manual | P | 16 | 28.8489 | 94 | -0.21 | 73 |
IV.NRCA.HHZ. | 2021-02-17T07:40:13.06 | 0.6 | undecidable | manual | P | 336 | 22.3554 | 97 | -0.28 | 49 |
IV.SMA1.EHZ. | 2021-02-17T07:40:13.66 | 0.3 | undecidable | manual | S | 104 | 8.9799 | 132 | 0.06 | 78 |
IV.RM33.EHZ. | 2021-02-17T07:40:12.46 | 0.3 | undecidable | manual | P | 184 | 15.6732 | 107 | 0.14 | 76 |
IV.LNSS.HHZ. | 2021-02-17T07:40:12.59 | 0.3 | positive | manual | P | 251 | 16.1727 | 106 | 0.2 | 75 |
IV.VIVA.HHZ. | 2021-02-17T07:40:12.73 | 3.0 | positive | manual | Pn | 1.66 | 0 | |||
IV.T1299.HNZ. | 2021-02-17T07:40:12.60 | 0.3 | undecidable | manual | S | 111 | 4.7952 | 153 | -0.3 | 74 |
IV.T1299.HNZ. | 2021-02-17T07:40:11.20 | 0.3 | undecidable | manual | P | 111 | 4.7952 | 153 | 0.18 | 77 |
IV.SMA1.EHZ. | 2021-02-17T07:40:11.74 | 0.3 | undecidable | manual | P | 104 | 8.9799 | 132 | 0.32 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RM33.EHE. | ML:0.7 | 0.0000382 | 0.92 | AML | other | m | 2021-02-17T07:40:15.74 |
IV.RM33.EHN. | ML:0.6 | 0.000036750000000000006 | 0.4 | AML | other | m | 2021-02-17T07:40:15.82 |
IV.LNSS.HHE. | ML:0.5 | 0.000026480295 | 0.4768 | AML | other | m | 2021-02-17T07:40:16.03 |
IV.LNSS.HHN. | ML:0.5 | 0.00002316197 | 0.3776 | AML | other | m | 2021-02-17T07:40:15.62 |
IV.TERO.HHE. | ML:0.3 | 0.000011346735 | 0.64 | AML | other | m | 2021-02-17T07:40:20.05 |
IV.TERO.HHN. | ML:0.6 | 0.000020970405 | 0.9216 | AML | other | m | 2021-02-17T07:40:19.17 |