A magnitude ML 1.4 earthquake occured in region: 4 km NW San Gimignano (SI), on
and geographic coordinates (lat, lon) 43.4860, 11.0080 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 |
---|---|---|---|---|
San Gimignano | SI | 4 | 7820 | 7820 |
Gambassi Terme | FI | 7 | 4870 | 12690 |
Certaldo | FI | 8 | 16121 | 28811 |
Montaione | FI | 11 | 3700 | 32511 |
Colle di Val d'Elsa | SI | 12 | 21620 | 54131 |
Poggibonsi | SI | 12 | 29196 | 83327 |
Castelfiorentino | FI | 14 | 17504 | 100831 |
Barberino Val d'Elsa | FI | 15 | 4386 | 105217 |
Volterra | PI | 15 | 10519 | 115736 |
Tavarnelle Val di Pesa | FI | 16 | 7800 | 123536 |
Casole d'Elsa | SI | 16 | 3897 | 127433 |
Montespertoli | FI | 18 | 13537 | 140970 |
Monteriggioni | SI | 20 | 9810 | 150780 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2020-04-02 09:47:30 |
43.4863 | 11.0077 | 10 | 2020-07-18 21:08:40 |
Bollettino Sismico Italiano INGV | 79997361 |
Reviewed Rev100 |
ML 1.8 | 2020-04-02 09:47:28 |
43.6942 | 10.9942 | 12 | 2020-04-02 10:02:18 |
Sala Sismica INGV-Roma | 77784261 |
Field | Value |
---|---|
Time (UTC) | 2020-04-02 09:47:30 ± 0.15 |
Latitude | 43.4863 ± 0.0054 |
Longitude | 11.0077 ± 0.0124 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79997361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 913 |
Semi-minor axis of confidence ellipse (meter) | 601 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 85 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 910.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 11 |
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) | 0.64841 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 79997361 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-06-08 09:24:01 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 77784261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-02 10:02:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FOSV.EHZ. | 2020-04-02T09:48:15.69 | 3.0 | undecidable | manual | S | 1.37 | 0 | |||
IV.NARO.HHZ. | 2020-04-02T09:48:10.12 | 3.0 | undecidable | manual | S | -0.96 | 0 | |||
IV.SARZ.HHZ. | 2020-04-02T09:48:06.02 | 3.0 | negative | manual | Pn | 1 | 0 | |||
GU.CARD.HHZ. | 2020-04-02T09:47:55.93 | 3.0 | undecidable | manual | S | 0.83 | 0 | |||
IV.MPPT.EHN. | 2020-04-02T09:47:47.39 | 0.6 | undecidable | manual | S | 7 | 52.7028 | 50 | -0.17 | 46 |
IV.TRIF.CHE. | 2020-04-02T09:47:44.44 | 1.0 | undecidable | manual | S | 192 | 42.1245 | 50 | -0.3 | 23 |
IV.BDI.HHZ. | 2020-04-02T09:47:43.75 | 0.6 | undecidable | manual | P | 333 | 71.9724 | 50 | 0.27 | 43 |
IV.OSSC.HHZ. | 2020-04-02T09:47:41.59 | 3.0 | undecidable | manual | S | 1.48 | 0 | |||
IV.FROS.CHZ. | 2020-04-02T09:47:41.98 | 1.0 | undecidable | manual | S | 159 | 32.9448 | 50 | -0.32 | 23 |
IV.MPPT.EHN. | 2020-04-02T09:47:40.88 | 0.6 | undecidable | manual | P | 7 | 52.7028 | 50 | 0.37 | 44 |
IV.PII.HHZ. | 2020-04-02T09:47:39.34 | 0.1 | negative | manual | P | 304 | 46.7199 | 50 | -0.25 | 91 |
IV.CSNT.HHZ. | 2020-04-02T09:47:39.34 | 0.6 | undecidable | manual | S | 94 | 22.755 | 114 | -0.19 | 48 |
IV.TRIF.CHE. | 2020-04-02T09:47:39.28 | 0.6 | undecidable | manual | P | 192 | 42.1245 | 50 | 0.41 | 45 |
IV.FROS.CHZ. | 2020-04-02T09:47:37.58 | 0.1 | undecidable | manual | P | 159 | 32.9448 | 50 | 0.11 | 96 |
IV.MAGO.CHZ. | 2020-04-02T09:47:37.98 | 0.3 | undecidable | manual | P | 230 | 36.8298 | 50 | -0.08 | 72 |
IV.CSNT.HHZ. | 2020-04-02T09:47:35.88 | 0.1 | negative | manual | P | 94 | 22.755 | 114 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:1.2 | 0.000101106165 | 0.224 | AML | other | m | 2020-04-02T09:47:39.43 |
IV.CSNT.HHE. | ML:1.3 | 0.00012167160999999998 | 0.2624 | AML | other | m | 2020-04-02T09:47:39.54 |
IV.FROS.CHE. | ML:1.7 | 0.00024136775 | 0.3712 | AML | other | m | 2020-04-02T09:47:43.04 |
IV.FROS.CHN. | ML:1.6 | 0.00017475165 | 0.1664 | AML | other | m | 2020-04-02T09:47:43.21 |
IV.PII.HHN. | ML:1.2 | 0.000043554839999999994 | 0.2816 | AML | other | m | 2020-04-02T09:47:46.35 |
IV.PII.HHE. | ML:1.2 | 0.000039519765 | 0.2368 | AML | other | m | 2020-04-02T09:47:47.69 |
IV.BDI.HNE. | ML:1.9 | 0.00011398394499999999 | 0.9152 | AML | other | m | 2020-04-02T09:48:16.18 |
IV.BDI.HNN. | ML:1.9 | 0.00013355835 | 0.7616 | AML | other | m | 2020-04-02T09:48:03.59 |
IV.BDI.HHN. | ML:0.8 | 0.000009460714 | 0.2816 | AML | other | m | 2020-04-02T09:47:55.44 |
IV.BDI.HHE. | ML:1.0 | 0.00001582427 | 0.3968 | AML | other | m | 2020-04-02T09:47:55.94 |