A magnitude ML 1.0 earthquake occured in region: 2 km N Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6460, 13.2880 at 8 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 |
---|---|---|---|---|
Amatrice | RI | 2 | 2657 | 2657 |
Accumoli | RI | 6 | 667 | 3324 |
Cittareale | RI | 11 | 482 | 3806 |
Campotosto | AQ | 12 | 542 | 4348 |
Montereale | AQ | 14 | 2581 | 6929 |
Capitignano | AQ | 14 | 665 | 7594 |
Arquata del Tronto | AP | 14 | 1178 | 8772 |
Acquasanta Terme | AP | 17 | 2916 | 11688 |
Cortino | TE | 18 | 656 | 12344 |
Crognaleto | TE | 19 | 1297 | 13641 |
Borbona | RI | 19 | 617 | 14258 |
Valle Castellana | TE | 20 | 977 | 15235 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-04-18 15:08:51 |
42.6457 | 13.2878 | 8 | 2021-07-12 16:55:11 |
Bollettino Sismico Italiano INGV | 90234741 |
Reviewed Rev100 |
ML 1.0 | 2021-04-18 15:08:51 |
42.6448 | 13.2793 | 8 | 2021-04-18 15:15:40 |
Sala Sismica INGV-Roma | 89214971 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 15:08:51 ± 0.05 |
Latitude | 42.6457 ± 0.0027 |
Longitude | 13.2878 ± 0.0037 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90234741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 318 |
Semi-minor axis of confidence ellipse (meter) | 218 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 55 |
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) | 59 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 31 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55038 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 90234741 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-18 15:44:34 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 89214971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-18 15:15:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PE3.EHZ. | 2021-04-18T15:09:31.83 | 3.0 | undecidable | manual | S | 0.17 | 0 | |||
IV.MOMA.HNZ. | 2021-04-18T15:09:11.53 | 0.3 | undecidable | manual | S | 287 | 61.0944 | 50 | 0.32 | 65 |
IV.NARO.HHZ. | 2021-04-18T15:09:10.56 | 3.0 | undecidable | manual | P | -1.74 | 0 | |||
IV.CSP1.EHZ. | 2021-04-18T15:09:08.28 | 0.3 | undecidable | manual | S | 352 | 49.9167 | 50 | 0.03 | 71 |
IV.MF5.EHZ. | 2021-04-18T15:09:05.56 | 0.3 | undecidable | manual | S | 20 | 40.4262 | 50 | -0.15 | 70 |
IV.MOMA.HNZ. | 2021-04-18T15:09:03.46 | 0.1 | undecidable | manual | P | 287 | 61.0944 | 50 | 0.49 | 84 |
IV.GAVE.EHZ. | 2021-04-18T15:09:02.75 | 0.3 | undecidable | manual | S | 279 | 32.5452 | 103 | -0.58 | 64 |
IV.MC2.EHZ. | 2021-04-18T15:09:02.63 | 0.6 | undecidable | manual | S | 345 | 30.5472 | 104 | -0.04 | 49 |
IV.GIGS.HHN. | 2021-04-18T15:09:02.78 | 0.6 | undecidable | manual | S | 132 | 31.5462 | 104 | -0.23 | 47 |
IV.CSP1.EHZ. | 2021-04-18T15:09:01.12 | 0.6 | undecidable | manual | P | 352 | 49.9167 | 50 | -0.14 | 46 |
IV.MMO1.EHN. | 2021-04-18T15:09:01.81 | 0.6 | undecidable | manual | S | 6 | 28.3494 | 105 | -0.11 | 48 |
IV.TERO.HHZ. | 2021-04-18T15:09:00.70 | 0.3 | undecidable | manual | S | 95 | 25.9518 | 107 | -0.41 | 68 |
IV.NRCA.HHZ. | 2021-04-18T15:09:00.84 | 0.6 | undecidable | manual | S | 326 | 25.1526 | 107 | -0.03 | 49 |
IV.FIAM.HNN. | 2021-04-18T15:09:00.20 | 0.3 | undecidable | manual | P | 198 | 44.1225 | 50 | -0.17 | 70 |
IV.MF5.EHZ. | 2021-04-18T15:08:59.72 | 0.6 | undecidable | manual | P | 20 | 40.4262 | 50 | -0.08 | 48 |
IV.LNSS.HNZ. | 2021-04-18T15:08:59.44 | 0.6 | undecidable | manual | S | 257 | 20.7681 | 111 | 0.03 | 50 |
IV.GAVE.EHZ. | 2021-04-18T15:08:58.08 | 0.6 | undecidable | manual | P | 279 | 32.5452 | 103 | -0.34 | 46 |
IV.GIGS.HHN. | 2021-04-18T15:08:58.05 | 0.6 | undecidable | manual | P | 132 | 31.5462 | 104 | -0.19 | 47 |
IV.RM33.EHZ. | 2021-04-18T15:08:58.04 | 1.0 | undecidable | manual | S | 202 | 16.2726 | 116 | 0.05 | 25 |
IV.MMO1.EHN. | 2021-04-18T15:08:57.44 | 0.1 | undecidable | manual | P | 6 | 28.3494 | 105 | -0.17 | 95 |
IV.MC2.EHZ. | 2021-04-18T15:08:57.99 | 0.6 | undecidable | manual | P | 345 | 30.5472 | 104 | -0.05 | 49 |
IV.CAMP.HHE. | 2021-04-18T15:08:57.86 | 0.6 | undecidable | manual | S | 141 | 15.6732 | 116 | 0.06 | 50 |
IV.MTRA.EHE. | 2021-04-18T15:08:57.75 | 0.3 | undecidable | manual | S | 36 | 15.1737 | 117 | 0.11 | 74 |
IV.NRCA.HHZ. | 2021-04-18T15:08:57.15 | 0.3 | undecidable | manual | P | 326 | 25.1526 | 107 | 0.14 | 72 |
IV.LNSS.HNZ. | 2021-04-18T15:08:56.15 | 0.1 | undecidable | manual | P | 257 | 20.7681 | 111 | -0.01 | 100 |
IV.TERO.HHZ. | 2021-04-18T15:08:56.97 | 0.3 | undecidable | manual | P | 95 | 25.9518 | 107 | -0.18 | 72 |
IV.RM33.EHZ. | 2021-04-18T15:08:55.28 | 0.3 | undecidable | manual | P | 202 | 16.2726 | 116 | -0.06 | 75 |
IV.SMA1.EHZ. | 2021-04-18T15:08:55.15 | 0.3 | undecidable | manual | S | 113 | 4.1958 | 152 | 0.36 | 72 |
IV.CAMP.HHE. | 2021-04-18T15:08:55.35 | 0.1 | undecidable | manual | P | 141 | 15.6732 | 116 | 0.12 | 99 |
IV.MTRA.EHE. | 2021-04-18T15:08:55.37 | 0.1 | undecidable | manual | P | 36 | 15.1737 | 117 | 0.23 | 96 |
IV.T1299.HNN. | 2021-04-18T15:08:54.23 | 0.1 | undecidable | manual | S | 200 | 1.2987 | 170 | -0.23 | 99 |
IV.T1299.HNN. | 2021-04-18T15:08:53.47 | 0.1 | undecidable | manual | P | 200 | 1.2987 | 170 | 0.17 | 100 |
IV.SMA1.EHZ. | 2021-04-18T15:08:53.92 | 0.1 | positive | manual | P | 113 | 4.1958 | 152 | 0.43 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RM33.EHN. | ML:0.8 | 0.00006585 | 0.68 | AML | other | m | 2021-04-18T15:08:58.48 |
IV.RM33.EHE. | ML:0.8 | 0.0000627 | 0.64 | AML | other | m | 2021-04-18T15:08:59.46 |
IV.NRCA.HHN. | ML:1.0 | 0.0000576 | 0.9 | AML | other | m | 2021-04-18T15:09:01.47 |
IV.TERO.HHE. | ML:0.9 | 0.00004995 | 0.54 | AML | other | m | 2021-04-18T15:09:01.06 |
IV.TERO.HHN. | ML:1.0 | 0.0000665 | 0.06 | AML | other | m | 2021-04-18T15:09:01.31 |
IV.NRCA.HHE. | ML:1.2 | 0.0001015 | 0.98 | AML | other | m | 2021-04-18T15:09:01.02 |