Earthquake with magnitude of ML 1.6 on date 18-04-2024 and time 02:21:05 (Italy) in region 1 km NW San Chirico Raparo (PZ)

A magnitude ML 1.6 earthquake occured in region: 1 km NW San Chirico Raparo (PZ), on

  • 18-04-2024 00:21:05 (UTC)
  • 18-04-2024 02:21:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2020, 16.0690 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Chirico Raparo PZ 1 1084 1084
San Martino d'Agri PZ 4 801 1885
Carbone PZ 7 638 2523
Castelsaraceno PZ 8 1384 3907
Calvera PZ 9 387 4294
Castronuovo di Sant'Andrea PZ 10 1067 5361
Teana PZ 11 613 5974
Spinoso PZ 11 1462 7436
Gallicchio PZ 12 862 8298
Armento PZ 12 631 8929
Roccanova PZ 12 1543 10472
Missanello PZ 12 566 11038
Montemurro PZ 13 1235 12273
Fardella PZ 13 627 12900
Latronico PZ 14 4556 17456
Episcopia PZ 14 1434 18890
Chiaromonte PZ 15 1965 20855
Sarconi PZ 16 1404 22259
Francavilla in Sinni PZ 18 4215 26474
Moliterno PZ 18 4062 30536
Grumento Nova PZ 18 1700 32236
Guardia Perticara PZ 18 552 32788
Sant'Arcangelo PZ 18 6533 39321
Aliano MT 19 1008 40329
Senise PZ 20 7115 47444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km SE of Potenza (67122 inhabitants)
69 Km SW of Matera (60436 inhabitants)
81 Km SW of Altamura (70396 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.6 2024-04-18
00:21:05
40.2018 16.0692 10 2024-04-18
00:43:52
Sala Sismica INGV-Roma 126845941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-18 00:21:05 ± 0.09
Latitude 40.2018 ± 0.0045
Longitude 16.0692 ± 0.0071
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126845941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 717
Semi-minor axis of confidence ellipse (meter) 401
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00540
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 126845941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-18 00:43:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2024-04-18T00:21:15.97 0.1 undecidable manual S 301 26.4513 110 0.37 91
IV.MTSN.HHZ. 2024-04-18T00:21:15.93 0.1 undecidable manual S 285 27.8499 50 -0.1 97
IX.STN3.EHZ.02 2024-04-18T00:21:15.07 0.1 undecidable manual P 316 50.7159 50 -0.18 92
XE.T0701.HHZ. 2024-04-18T00:21:14.95 0.1 undecidable manual S 171 24.2535 112 0.06 97
MN.CUC.HHZ. 2024-04-18T00:21:12.23 0.1 undecidable manual P 223 31.5462 50 -0.06 97
IV.SIRI.HHZ. 2024-04-18T00:21:12.61 0.1 undecidable manual S 263 17.2716 119 -0.08 96
IV.MCEL.HHZ. 2024-04-18T00:21:11.47 0.1 undecidable manual P 301 26.4513 110 0 98
IV.MTSN.HHZ. 2024-04-18T00:21:11.63 0.1 undecidable manual P 285 27.8499 50 -0.09 97
XE.T0701.HHZ. 2024-04-18T00:21:11.05 0.1 undecidable manual P 171 24.2535 112 -0.01 99
IV.SIRI.HHZ. 2024-04-18T00:21:09.95 0.1 undecidable manual P 263 17.2716 119 0.16 98
IV.SCHR.EHZ. 2024-04-18T00:21:09.06 0.1 undecidable manual S 116 0.5994 176 -0.14 98
IV.SCHR.EHZ. 2024-04-18T00:21:07.95 0.1 undecidable manual P 116 0.5994 176 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHN. ML:1.7 0.0004115 0.16 AML other m 2024-04-18T00:21:13.29
IV.SIRI.HHE. ML:1.5 0.00026000000000000003 1.12 AML other m 2024-04-18T00:21:13.57
XE.T0701.HHE. ML:1.7 0.00028599999999999996 0.96 AML other m 2024-04-18T00:21:16.63
XE.T0701.HNE. ML:1.4 0.00015765 0.94 AML other m 2024-04-18T00:21:16.62
IV.MTSN.HHE. ML:1.6 0.00022999999999999998 0.28 AML other m 2024-04-18T00:21:16.30
XE.T0701.HHN. ML:1.5 0.0002055 0.16 AML other m 2024-04-18T00:21:16.48
XE.T0701.HNN. ML:1.3 0.0001113 0.52 AML other m 2024-04-18T00:21:16.59
IV.MCEL.HHN. ML:1.5 0.000195 0.2 AML other m 2024-04-18T00:21:17.41
IV.MCEL.HHE. ML:1.5 0.0001875 1.38 AML other m 2024-04-18T00:21:17.76
IV.MTSN.HHN. ML:1.7 0.000258 1.54 AML other m 2024-04-18T00:21:17.00
IV.MCEL.HNE. ML:2.1 0.0006684999999999999 0.58 AML other m 2024-04-18T00:21:17.70
IV.MCEL.HNN. ML:2.1 0.0006615 0.7 AML other m 2024-04-18T00:21:18.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download