A magnitude Mwp 6.4 earthquake occured in region: San Juan Province, Argentina [Land: Argentina], on
and geographic coordinates (lat, lon) -31.8300, -68.6740 at 20 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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
mb 5.7
Mwp 6.4 Mwpd 6.6 |
2021-01-19 02:46:21 |
-31.8305 | -68.6745 | 20 | 2021-01-19 02:59:45 |
Sala Sismica INGV-Roma | 86367381 |
Field | Value |
---|---|
Time (UTC) | 2021-01-19 02:46:21 |
Latitude | -31.8305 |
Longitude | -68.6745 |
Depth (km) | 20 (from location) |
Evaluation mode of Origin | automatic |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV-A |
Event type | earthquake |
Origin ID | 86367381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 8915 |
Semi-minor axis of confidence ellipse (meter) | 755 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 277 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 7224.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87.1629 |
Number of associated phases, regardless of their use for origin computation | 45 |
Number of defining phases | 45 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 1.61769 |
Epicentral distance of station closest to the epicenter (degree) | 0.28501 |
Epicentral distance of station farthest from the epicenter (degree) | 61.15550 |
Number of stations at which the event was observed | 43 |
Number of stations from which data was used for origin computation | 43 |
Field | Value |
---|---|
Value | 6.4 |
Uncertainty | 0.1 |
Num. used stations | 29 |
Type of magnitude | Mwp |
Reference to an origin | 86367381 |
Agency | INGV |
Autore | early-est_ee1.1.9 |
Time of creation (UTC) | 2021-01-19 02:59:45 |
Field | Value |
---|---|
Value | 6.6 |
Uncertainty | 0.1 |
Num. used stations | 24 |
Type of magnitude | Mwpd |
Reference to an origin | 86367381 |
Agency | INGV |
Autore | early-est_ee1.1.9 |
Time of creation (UTC) | 2021-01-19 02:59:45 |
Field | Value |
---|---|
Value | 5.7 |
Uncertainty | 0.1 |
Num. used stations | 27 |
Type of magnitude | mb |
Reference to an origin | 86367381 |
Agency | INGV |
Autore | early-est_ee1.1.9 |
Time of creation (UTC) | 2021-01-19 02:59:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IU.DWPF.BHZ.00 | 2021-01-19T02:56:37.02 | 10.0 | negative | automatic | pP | 347 | 61.1555 | -2.98183 | 0 | |
IU.DWPF.BHZ.00 | 2021-01-19T02:56:31.82 | 10.0 | positive | automatic | P | 347 | 61.1555 | -1.89342 | 0 | |
IU.TEIG.BHZ.00 | 2021-01-19T02:55:51.42 | 10.0 | positive | automatic | P | 337 | 55.3394 | -1.62669 | 0.480762 | |
CU.GRTK.BHZ.00 | 2021-01-19T02:55:37.92 | 10.0 | positive | automatic | P | 357 | 53.3915 | -0.954985 | 0.488118 | |
GE.SNAA.BHZ. | 2021-01-19T02:55:33.11 | 10.0 | positive | automatic | P | 159 | 52.4068 | 1.36869 | 0.52719 | |
CU.GTBY.BHZ.00 | 2021-01-19T02:55:28.17 | 10.0 | negative | automatic | P | 352 | 52.1213 | -1.3262 | 0.538232 | |
CU.MTDJ.BHZ.00 | 2021-01-19T02:55:18.30 | 10.0 | positive | automatic | P | 349 | 50.7702 | -1.22071 | 0.255707 | |
CU.SDDR.BHZ.00 | 2021-01-19T02:55:18.58 | 10.0 | positive | automatic | P | 357 | 50.8721 | -1.65913 | 0.521311 | |
IU.SJG.BHZ.00 | 2021-01-19T02:55:10.00 | 10.0 | positive | automatic | P | 3 | 49.9960 | -2.58289 | 0.529163 | |
CU.ANWB.BHZ.00 | 2021-01-19T02:55:09.92 | 10.0 | positive | automatic | P | 9 | 49.9357 | -3.13423 | 0 | |
CU.TGUH.BHZ.00 | 2021-01-19T02:55:07.15 | 10.0 | negative | automatic | P | 336 | 49.2274 | -0.701325 | 0.586931 | |
IU.TRIS.BHZ.00 | 2021-01-19T02:54:55.27 | 10.0 | negative | automatic | sP | 113 | 46.0934 | 4.00091 | 0 | |
GE.BOAB.BHZ. | 2021-01-19T02:54:50.95 | 10.0 | positive | automatic | P | 337 | 47.1758 | -0.9256 | 0.574299 | |
CU.BBGH.BHZ.00 | 2021-01-19T02:54:48.18 | 10.0 | negative | automatic | pP | 12 | 45.8128 | 0.9029 | 0 | |
II.JTS.BHZ.00 | 2021-01-19T02:54:34.50 | 10.0 | negative | automatic | P | 337 | 44.9080 | 0.498916 | 0.640395 | |
G.HDC.BHZ.00 | 2021-01-19T02:54:31.25 | 10.0 | positive | automatic | P | 338 | 44.3619 | 1.46621 | 0.635291 | |
CU.GRGR.BHZ.00 | 2021-01-19T02:54:29.60 | 10.0 | positive | automatic | P | 10 | 44.4725 | -0.903444 | 0.655725 | |
IU.SDV.BHZ.00 | 2021-01-19T02:53:58.27 | 10.0 | positive | automatic | P | 357 | 40.7557 | -2.2788 | 0.707521 | |
IU.RCBR.BHZ.00 | 2021-01-19T02:53:56.67 | 10.0 | negative | automatic | P | 57 | 40.1598 | 1.26099 | 0.744212 | |
G.MPG.BHZ.00 | 2021-01-19T02:53:53.40 | 10.0 | negative | automatic | P | 25 | 39.9705 | -0.393889 | 0.654377 | |
IU.PAYG.BHZ.00 | 2021-01-19T02:53:31.00 | 10.0 | positive | automatic | P | 323 | 37.2450 | 1.06344 | 0.773729 | |
II.RPN.BHZ.00 | 2021-01-19T02:53:17.57 | 10.0 | negative | automatic | P | 267 | 35.5010 | 1.56061 | 0.817111 | |
IU.OTAV.BHZ.00 | 2021-01-19T02:52:58.97 | 10.0 | positive | automatic | P | 342 | 33.3743 | 0.77974 | 0.860043 | |
IU.PMSA.BHZ.00 | 2021-01-19T02:52:55.42 | 10.0 | positive | automatic | P | 176 | 33.0665 | 0.516721 | 0.846658 | |
BL.PMNB.HHZ. | 2021-01-19T02:51:35.51 | 10.0 | negative | automatic | P | 62 | 24.0305 | 1.09122 | 0.961538 | |
C.GO10.BHZ. | 2021-01-19T02:51:07.43 | 10.0 | positive | automatic | P | 184 | 21.3921 | 0.283079 | 0.987654 | |
II.NNA.BHZ.00 | 2021-01-19T02:51:05.22 | 10.0 | positive | automatic | P | 337 | 21.2193 | -0.0434326 | 0.952381 | |
II.EFI.BHZ.00 | 2021-01-19T02:51:04.80 | 10.0 | positive | automatic | P | 162 | 21.3125 | -1.39427 | 0.888889 | |
C1.MG02.BHZ. | 2021-01-19T02:51:01.43 | 10.0 | positive | automatic | P | 181 | 20.9532 | -0.889058 | 0.43956 | |
G.SPB.BHZ.00 | 2021-01-19T02:50:59.70 | 10.0 | negative | automatic | P | 72 | 20.4855 | 2.3515 | 0.909091 | |
GT.LPAZ.BHZ.00 | 2021-01-19T02:49:57.48 | 10.0 | positive | automatic | P | 2 | 15.5497 | -2.03698 | 0.963855 | |
G.COYC.BHZ.00 | 2021-01-19T02:49:34.40 | 10.0 | positive | automatic | P | 190 | 13.9932 | -3.40512 | 0.869565 | |
GT.CPUP.BHZ.00 | 2021-01-19T02:49:02.20 | 10.0 | negative | automatic | P | 64 | 11.3267 | 0.838674 | 0.898876 | |
C1.LL02.BHZ. | 2021-01-19T02:49:02.93 | 10.0 | positive | automatic | P | 192 | 11.6327 | -2.66209 | 0.808081 | |
GT.PLCA.BHZ.00 | 2021-01-19T02:48:31.15 | 10.0 | positive | automatic | P | 189 | 9.0288 | 1.10936 | 0.963855 | |
C1.VA04.BHZ. | 2021-01-19T02:48:23.85 | 10.0 | negative | automatic | P | 255 | 8.7281 | -1.90892 | 0.43956 | |
C.GO06.BHZ. | 2021-01-19T02:48:17.20 | 10.0 | positive | automatic | P | 196 | 8.0777 | 0.166156 | 0.97561 | |
C.GO05.BHZ. | 2021-01-19T02:47:23.30 | 10.0 | positive | automatic | P | 220 | 4.1817 | -0.0256943 | 0.91954 | |
C1.BO02.BHZ. | 2021-01-19T02:47:15.00 | 10.0 | positive | automatic | P | 210 | 3.4453 | 2.65546 | 0.952381 | |
IU.LCO.BHZ.00 | 2021-01-19T02:47:13.77 | 10.0 | positive | automatic | P | 328 | 3.3165 | 1.96105 | 0.97561 | |
C.GO04.BHZ. | 2021-01-19T02:47:01.75 | 10.0 | negative | automatic | P | 312 | 2.4625 | 1.71834 | 0.952381 | |
G.PEL.BHZ.00 | 2021-01-19T02:46:55.80 | 10.0 | negative | automatic | P | 232 | 2.1379 | 0.475439 | 0.930233 | |
C1.CO02.BHZ. | 2021-01-19T02:46:54.13 | 10.0 | negative | automatic | P | 287 | 2.0792 | -0.475787 | 0.97561 | |
WA.ZON.HHZ. | 2021-01-19T02:46:28.51 | 10.0 | positive | automatic | P | 358 | 0.2850 | 1.33662 | 0.49505 |