A magnitude ML 0.8 earthquake occured in region: 4 km NW Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8480, 12.8920 at 10 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 4 | 1075 | 1075 |
Sellano | PG | 6 | 1079 | 2154 |
Vallo di Nera | PG | 9 | 364 | 2518 |
Campello sul Clitunno | PG | 10 | 2442 | 4960 |
Trevi | PG | 12 | 8469 | 13429 |
Preci | PG | 13 | 724 | 14153 |
Sant'Anatolia di Narco | PG | 13 | 564 | 14717 |
Poggiodomo | PG | 15 | 117 | 14834 |
Scheggino | PG | 16 | 461 | 15295 |
Cascia | PG | 17 | 3217 | 18512 |
Norcia | PG | 18 | 4957 | 23469 |
Spoleto | PG | 18 | 38218 | 61687 |
Castel Ritaldi | PG | 18 | 3278 | 64965 |
Monte Cavallo | MC | 19 | 145 | 65110 |
Visso | MC | 19 | 1107 | 66217 |
Foligno | PG | 20 | 57155 | 123372 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.8 | 2013-08-20 23:14:40 |
42.8478 | 12.8922 | 11 | 2015-01-20 11:28:30 |
Bollettino Sismico Italiano INGV | 4764671 |
Reviewed Rev100 |
ML 0.8 | 2013-08-20 23:14:40 |
42.8435 | 12.887 | 11 | 2014-10-21 12:08:56 |
Sala Sismica INGV-Roma | 4304521 |
Field | Value |
---|---|
Time (UTC) | 2013-08-20 23:14:40 ± 0.07 |
Latitude | 42.8478 ± 0.0027 |
Longitude | 12.8922 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 4764671 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 460 |
Semi-minor axis of confidence ellipse (meter) | 228 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 104 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 164 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.15738 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33455 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 4764671 |
Agency | INGV |
Autore | Manually reviewed by Franco Mele |
Time of creation (UTC) | 2015-01-15 13:26:28 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 4304521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2013-08-20 23:25:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2013-08-20T23:14:53.15 | 0.1 | undecidable | manual | S | 43 | 37.1295 | 50 | 0.16 | 94 |
IV.ARRO.EHZ. | 2013-08-20T23:14:51.68 | 0.1 | undecidable | manual | S | 199 | 31.5462 | 50 | 0.18 | 94 |
IV.FDMO.HHZ. | 2013-08-20T23:14:50.00 | 0.3 | undecidable | manual | S | 37 | 26.2515 | 50 | -0.09 | 73 |
IV.CESI.HHZ. | 2013-08-20T23:14:47.59 | 0.1 | undecidable | manual | S | 3 | 17.4714 | 121 | 0.04 | 100 |
IV.NRCA.HHZ. | 2013-08-20T23:14:47.75 | 0.1 | undecidable | manual | S | 95 | 18.1707 | 120 | -0.01 | 100 |
IV.CSP1.EHZ. | 2013-08-20T23:14:47.71 | 0.1 | undecidable | manual | P | 43 | 37.1295 | 50 | 0.01 | 97 |
IV.ARRO.EHZ. | 2013-08-20T23:14:46.64 | 0.1 | undecidable | manual | P | 199 | 31.5462 | 50 | -0.21 | 94 |
IV.FDMO.HHZ. | 2013-08-20T23:14:45.86 | 0.1 | undecidable | manual | P | 37 | 26.2515 | 50 | -0.17 | 95 |
IV.NRCA.HHZ. | 2013-08-20T23:14:44.71 | 0.1 | undecidable | manual | P | 95 | 18.1707 | 120 | 0.02 | 100 |
IV.CESI.HHZ. | 2013-08-20T23:14:44.62 | 0.1 | undecidable | manual | P | 3 | 17.4714 | 121 | 0.05 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.7 | 0.00004380000000000001 | 0.14 | AML | other | m | 2013-08-20T23:14:47.85 |
IV.NRCA.HHN. | ML:0.8 | 0.00005624999999999999 | 1.34 | AML | other | m | 2013-08-20T23:14:49.22 |