A magnitude ML 1.1 earthquake occured in region: 10 km E Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6640, 13.4000 at 16 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 |
---|---|---|---|---|
Amatrice | RI | 10 | 2657 | 2657 |
Cortino | TE | 10 | 656 | 3313 |
Rocca Santa Maria | TE | 11 | 537 | 3850 |
Valle Castellana | TE | 11 | 977 | 4827 |
Acquasanta Terme | AP | 12 | 2916 | 7743 |
Campotosto | AQ | 12 | 542 | 8285 |
Accumoli | RI | 13 | 667 | 8952 |
Crognaleto | TE | 14 | 1297 | 10249 |
Arquata del Tronto | AP | 15 | 1178 | 11427 |
Fano Adriano | TE | 17 | 296 | 11723 |
Capitignano | AQ | 18 | 665 | 12388 |
Montereale | AQ | 20 | 2581 | 14969 |
Pietracamela | TE | 20 | 271 | 15240 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-02-21 21:02:52 |
42.6638 | 13.4005 | 16 | 2021-02-21 21:12:58 |
Sala Sismica INGV-Roma | 87361851 |
Field | Value |
---|---|
Time (UTC) | 2021-02-21 21:02:52 ± 0.07 |
Latitude | 42.6638 ± 0.0018 |
Longitude | 13.4005 ± 0.0037 |
Depth (km) | 16 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87361851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 300 |
Semi-minor axis of confidence ellipse (meter) | 0 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 245 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 107 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37322 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 25 |
Type of magnitude | ML |
Reference to an origin | 87361851 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-21 21:12:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GAVE.EHZ. | 2021-02-21T21:03:06.13 | 0.3 | undecidable | manual | S | 275 | 41.4252 | 99 | -0.06 | 71 |
IV.MC2.EHZ. | 2021-02-21T21:03:04.12 | 0.3 | undecidable | manual | S | 328 | 32.4453 | 103 | 0.28 | 69 |
IV.LNSS.HHZ. | 2021-02-21T21:03:03.22 | 0.3 | undecidable | manual | S | 257 | 30.1476 | 104 | -0.04 | 73 |
IV.NRCA.HHZ. | 2021-02-21T21:03:02.93 | 0.3 | undecidable | manual | S | 309 | 29.9478 | 104 | -0.27 | 69 |
IV.GIGS.HJZ. | 2021-02-21T21:03:02.37 | 0.3 | undecidable | manual | S | 149 | 27.2505 | 106 | -0.15 | 71 |
IV.MMO1.EHZ. | 2021-02-21T21:03:02.39 | 0.3 | undecidable | manual | S | 347 | 26.751 | 107 | 0 | 74 |
IV.GUMA.HHZ. | 2021-02-21T21:03:01.20 | 3.0 | negative | manual | P | 0.23 | 0 | |||
IV.CSP1.EHZ. | 2021-02-21T21:03:01.68 | 3.0 | negative | manual | P | -0.17 | 0 | |||
IV.RM33.HNZ. | 2021-02-21T21:03:01.43 | 0.3 | undecidable | manual | S | 222 | 22.9548 | 111 | 0.02 | 74 |
IV.FDMO.HHZ. | 2021-02-21T21:03:01.47 | 3.0 | positive | manual | P | -0.12 | 0 | |||
IV.GAVE.EHZ. | 2021-02-21T21:03:00.30 | 0.1 | undecidable | manual | P | 275 | 41.4252 | 99 | -0.15 | 93 |
IV.MF5.EHZ. | 2021-02-21T21:02:59.85 | 3.0 | negative | manual | P | 0.16 | 0 | |||
IV.TERO.HHZ. | 2021-02-21T21:02:59.98 | 0.3 | undecidable | manual | S | 105 | 17.1717 | 121 | -0.06 | 74 |
IV.CAMP.HHZ. | 2021-02-21T21:02:59.41 | 0.3 | undecidable | manual | S | 177 | 14.2746 | 128 | 0.03 | 75 |
IV.MC2.EHZ. | 2021-02-21T21:02:59.25 | 0.3 | undecidable | manual | P | 328 | 32.4453 | 103 | 0.16 | 70 |
IV.MTRA.EHZ. | 2021-02-21T21:02:58.52 | 0.3 | undecidable | manual | S | 358 | 10.2786 | 139 | -0.1 | 74 |
IV.MMO1.EHZ. | 2021-02-21T21:02:58.17 | 0.1 | undecidable | manual | P | 347 | 26.751 | 107 | -0.08 | 97 |
IV.NRCA.HHZ. | 2021-02-21T21:02:58.56 | 0.1 | undecidable | manual | P | 309 | 29.9478 | 104 | -0.16 | 95 |
IV.GIGS.HJZ. | 2021-02-21T21:02:58.37 | 0.3 | undecidable | manual | P | 149 | 27.2505 | 106 | 0.05 | 73 |
IV.LNSS.HHZ. | 2021-02-21T21:02:58.71 | 0.1 | undecidable | manual | P | 257 | 30.1476 | 104 | -0.04 | 97 |
IV.T1299.HNZ. | 2021-02-21T21:02:58.77 | 0.3 | undecidable | manual | S | 251 | 10.1787 | 140 | 0.17 | 74 |
IV.SMA1.EHZ. | 2021-02-21T21:02:57.90 | 0.3 | undecidable | manual | S | 235 | 6.4935 | 153 | -0.15 | 73 |
IV.RM33.HNZ. | 2021-02-21T21:02:57.61 | 0.1 | undecidable | manual | P | 222 | 22.9548 | 111 | -0.08 | 98 |
IV.T1299.HNZ. | 2021-02-21T21:02:56.28 | 0.1 | undecidable | manual | P | 251 | 10.1787 | 140 | 0.22 | 97 |
IV.MTRA.EHZ. | 2021-02-21T21:02:56.13 | 0.1 | undecidable | manual | P | 358 | 10.2786 | 139 | 0.06 | 100 |
IV.TERO.HHZ. | 2021-02-21T21:02:56.87 | 0.6 | undecidable | manual | P | 105 | 17.1717 | 121 | -0.03 | 50 |
IV.CAMP.HHZ. | 2021-02-21T21:02:56.62 | 0.1 | undecidable | manual | P | 177 | 14.2746 | 128 | 0.1 | 98 |
IV.SMA1.EHZ. | 2021-02-21T21:02:55.93 | 0.1 | positive | manual | P | 235 | 6.4935 | 153 | 0.19 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.2 | 0.00016447505000000002 | 0.1536 | AML | other | m | 2021-02-21T21:02:58.37 |
IV.SMA1.EHE. | ML:1.3 | 0.00019892435 | 0.1536 | AML | other | m | 2021-02-21T21:02:58.35 |
IV.MTRA.EHN. | ML:1.5 | 0.00029191475 | 0.128 | AML | other | m | 2021-02-21T21:02:58.60 |
IV.MTRA.HNN. | ML:1.5 | 0.0002912372 | 0.192 | AML | other | m | 2021-02-21T21:02:59.01 |
IV.MTRA.HNE. | ML:1.5 | 0.00028501 | 0.128 | AML | other | m | 2021-02-21T21:02:58.64 |
IV.MTRA.EHE. | ML:1.5 | 0.00029360685000000004 | 0.1408 | AML | other | m | 2021-02-21T21:02:58.64 |
IV.TERO.HHN. | ML:1.0 | 0.000067502045 | 0.1024 | AML | other | m | 2021-02-21T21:03:00.04 |
IV.TERO.HHE. | ML:0.9 | 0.000061683015 | 0.0768 | AML | other | m | 2021-02-21T21:03:00.30 |
IV.RM33.EHN. | ML:0.8 | 0.000040842715 | 0.1792 | AML | other | m | 2021-02-21T21:03:01.66 |
IV.RM33.EHE. | ML:0.9 | 0.000048572104999999996 | 0.1536 | AML | other | m | 2021-02-21T21:03:03.31 |
IV.LNSS.HHN. | ML:0.9 | 0.00003729913 | 0.1408 | AML | other | m | 2021-02-21T21:03:04.43 |
IV.LNSS.HHE. | ML:1.0 | 0.00004085 | 0.5 | AML | other | m | 2021-02-21T21:03:05.32 |
IV.TERO.HNE. | ML:1.1 | 0.000084770805 | 0.064 | AML | other | m | 2021-02-21T21:03:00.27 |
IV.TERO.HNN. | ML:1.0 | 0.000077476085 | 0.0768 | AML | other | m | 2021-02-21T21:03:00.05 |
IV.MF5.EHE. | ML:1.1 | 0.000046829204 | 0.3328 | AML | other | m | 2021-02-21T21:03:07.04 |
IV.MF5.EHN. | ML:1.2 | 0.000057960505 | 0.2432 | AML | other | m | 2021-02-21T21:03:06.04 |
IV.GAVE.EHE. | ML:1.0 | 0.000033981760000000004 | 0.256 | AML | other | m | 2021-02-21T21:03:06.99 |
IV.GAVE.EHN. | ML:1.2 | 0.0000485116975 | 0.2688 | AML | other | m | 2021-02-21T21:03:07.43 |
IV.GAVE.HNE. | ML:1.2 | 0.000057347075499999995 | 0.2048 | AML | other | m | 2021-02-21T21:03:06.64 |
IV.GUMA.HHE. | ML:1.2 | 0.00004422276 | 0.2432 | AML | other | m | 2021-02-21T21:03:08.29 |
IV.GUMA.HHN. | ML:1.1 | 0.000032917815000000006 | 0.2048 | AML | other | m | 2021-02-21T21:03:08.60 |
IV.FDMO.HHE. | ML:0.8 | 0.000017319084999999997 | 0.2304 | AML | other | m | 2021-02-21T21:03:08.45 |
IV.FDMO.HHN. | ML:1.1 | 0.000035640115 | 0.2432 | AML | other | m | 2021-02-21T21:03:08.56 |
IV.CSP1.EHE. | ML:1.1 | 0.0000348200445 | 0.2176 | AML | other | m | 2021-02-21T21:03:09.05 |
IV.CSP1.EHN. | ML:1.2 | 0.000039159966 | 0.3584 | AML | other | m | 2021-02-21T21:03:11.14 |