A magnitude ML 1.1 earthquake occured in region: 4 km SW Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6020, 13.2620 at 11 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 | 4 | 2657 | 2657 |
Cittareale | RI | 9 | 482 | 3139 |
Montereale | AQ | 9 | 2581 | 5720 |
Capitignano | AQ | 10 | 665 | 6385 |
Campotosto | AQ | 10 | 542 | 6927 |
Accumoli | RI | 11 | 667 | 7594 |
Borbona | RI | 14 | 617 | 8211 |
Posta | RI | 16 | 694 | 8905 |
Cagnano Amiterno | AQ | 16 | 1369 | 10274 |
Barete | AQ | 17 | 737 | 11011 |
Pizzoli | AQ | 19 | 4326 | 15337 |
Crognaleto | TE | 19 | 1297 | 16634 |
Arquata del Tronto | AP | 19 | 1178 | 17812 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-05-23 06:59:31 |
42.6017 | 13.2623 | 11 | 2023-05-23 07:18:25 |
Sala Sismica INGV-Roma | 117621371 |
Field | Value |
---|---|
Time (UTC) | 2023-05-23 06:59:31 ± 0.06 |
Latitude | 42.6017 ± 0.0054 |
Longitude | 13.2623 ± 0.0061 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117621371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 575 |
Semi-minor axis of confidence ellipse (meter) | 430 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 209 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 78 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29048 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 117621371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-23 07:18:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SPS2.HHZ. | 2023-05-23T07:01:03.81 | 3.0 | undecidable | manual | Sn | 1.67 | 0 | |||
1J.FX14.HHZ.00 | 2023-05-23T07:00:45.31 | 3.0 | undecidable | manual | Pg | 15.34 | 0 | |||
GE.MATE.HHZ. | 2023-05-23T07:00:45.94 | 3.0 | undecidable | manual | Sn | -2.01 | 0 | |||
IV.ECTS.HHZ. | 2023-05-23T07:00:30.89 | 3.0 | undecidable | manual | Pn | 3.95 | 0 | |||
IV.CTI.HHZ. | 2023-05-23T07:00:30.33 | 3.0 | negative | manual | Pn | 3.92 | 0 | |||
IV.SARZ.HNZ. | 2023-05-23T07:00:29.50 | 3.0 | undecidable | manual | Pn | 3.8 | 0 | |||
IV.SPS2.HHZ. | 2023-05-23T07:00:28.52 | 3.0 | positive | manual | Pg | 11.09 | 0 | |||
IV.OSSC.HHZ. | 2023-05-23T07:00:24.12 | 3.0 | undecidable | manual | Sn | -0.71 | 0 | |||
CR.STON.BHZ. | 2023-05-23T07:00:20.44 | 3.0 | undecidable | manual | Pn | 3.24 | 0 | |||
IV.RIBO.EHZ.01 | 2023-05-23T07:00:19.92 | 3.0 | undecidable | manual | Sg | 2.12 | 0 | |||
IV.GATE.HHZ. | 2023-05-23T07:00:09.07 | 3.0 | undecidable | manual | S | -0.35 | 0 | |||
IV.MPAG.EHZ. | 2023-05-23T06:59:56.65 | 3.0 | positive | manual | Pg | 4.88 | 0 | |||
IV.MOCO.HHZ. | 2023-05-23T06:59:53.28 | 3.0 | positive | manual | Pn | 2.44 | 0 | |||
7F.SIB2.EHE. | 2023-05-23T06:59:43.03 | 0.6 | undecidable | manual | S | 6 | 32.2455 | 50 | 0.09 | 48 |
IV.NRCA.HHZ. | 2023-05-23T06:59:42.03 | 0.3 | undecidable | manual | S | 335 | 28.4493 | 50 | 0.12 | 72 |
7F.SIB3.EHE. | 2023-05-23T06:59:42.44 | 0.6 | undecidable | manual | S | 1 | 30.3474 | 50 | 0.02 | 49 |
IV.TERO.HHZ. | 2023-05-23T06:59:41.44 | 0.3 | undecidable | manual | S | 85 | 27.9498 | 50 | -0.35 | 69 |
IV.MTRA.HNE. | 2023-05-23T06:59:39.89 | 0.3 | undecidable | manual | S | 32 | 20.3685 | 118 | 0.13 | 73 |
IV.LNSS.HHZ. | 2023-05-23T06:59:38.89 | 0.6 | undecidable | manual | S | 271 | 18.1707 | 121 | -0.19 | 48 |
IV.GIGS.HHZ. | 2023-05-23T06:59:38.36 | 0.1 | undecidable | manual | P | 123 | 30.2475 | 50 | 0.45 | 90 |
7F.SIB2.EHE. | 2023-05-23T06:59:38.26 | 0.6 | undecidable | manual | P | 6 | 32.2455 | 50 | 0.04 | 49 |
7F.SIB3.EHE. | 2023-05-23T06:59:37.81 | 0.6 | undecidable | manual | P | 1 | 30.3474 | 50 | -0.11 | 48 |
IV.TERO.HHZ. | 2023-05-23T06:59:37.25 | 0.1 | undecidable | manual | P | 85 | 27.9498 | 50 | -0.31 | 93 |
IV.RM33.EHZ. | 2023-05-23T06:59:37.08 | 0.3 | undecidable | manual | S | 201 | 10.9779 | 134 | -0.02 | 76 |
IV.NRCA.HHZ. | 2023-05-23T06:59:37.61 | 0.1 | positive | manual | P | 335 | 28.4493 | 50 | -0.02 | 99 |
IV.MTRA.HNE. | 2023-05-23T06:59:36.40 | 0.1 | undecidable | manual | P | 32 | 20.3685 | 118 | 0.01 | 100 |
IV.SMA1.EHZ. | 2023-05-23T06:59:36.39 | 0.6 | undecidable | manual | S | 62 | 6.7932 | 148 | 0.23 | 49 |
IV.LNSS.HHZ. | 2023-05-23T06:59:35.90 | 0.1 | undecidable | manual | P | 271 | 18.1707 | 121 | -0.09 | 99 |
IV.RM33.EHZ. | 2023-05-23T06:59:34.99 | 0.3 | negative | manual | P | 201 | 10.9779 | 134 | 0.14 | 74 |
IV.SMA1.EHZ. | 2023-05-23T06:59:34.01 | 1.0 | undecidable | manual | P | 62 | 6.7932 | 148 | -0.3 | 24 |
IV.LAV9.HNZ. | 2023-05-23T06:59:32.39 | 3.0 | undecidable | manual | S | -0.34 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RM33.EHN. | ML:1.2 | 0.0001655 | 0.24 | AML | other | m | 2023-05-23T06:59:37.33 |
IV.RM33.EHE. | ML:1.2 | 0.0001805 | 0.32 | AML | other | m | 2023-05-23T06:59:37.45 |
IV.LNSS.HHN. | ML:1.0 | 0.0000798 | 1.3 | AML | other | m | 2023-05-23T06:59:39.21 |
IV.LNSS.HHE. | ML:1.2 | 0.0001245 | 0.34 | AML | other | m | 2023-05-23T06:59:39.34 |
IV.NRCA.HHE. | ML:1.1 | 0.0000656 | 0.1 | AML | other | m | 2023-05-23T06:59:42.32 |
IV.NRCA.HHN. | ML:1.0 | 0.00005305 | 0.72 | AML | other | m | 2023-05-23T06:59:42.36 |