Earthquake with magnitude of ML 0.9 on date 31-01-2024 and time 23:59:09 (Italy) in region 2 km E Caggiano (SA)

A magnitude ML 0.9 earthquake occured in region: 2 km E Caggiano (SA), on

  • 31-01-2024 22:59:09 (UTC)
  • 31-01-2024 23:59:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5730, 15.5150 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
Caggiano SA 2 2765 2765
Vietri di Potenza PZ 3 2832 5597
Savoia di Lucania PZ 3 1127 6724
Sant'Angelo Le Fratte PZ 5 1429 8153
Salvitelle SA 5 560 8713
Pertosa SA 6 690 9403
Polla SA 7 5279 14682
Auletta SA 8 2336 17018
Balvano PZ 9 1830 18848
Romagnano al Monte SA 9 368 19216
Satriano di Lucania PZ 11 2374 21590
Ricigliano SA 11 1144 22734
Sant'Arsenio SA 11 2815 25549
Picerno PZ 13 5985 31534
Petina SA 13 1159 32693
San Pietro al Tanagro SA 13 1695 34388
San Gregorio Magno SA 14 4286 38674
Atena Lucana SA 14 2336 41010
Baragiano PZ 14 2671 43681
Tito PZ 14 7332 51013
Buccino SA 14 5047 56060
Brienza PZ 14 4078 60138
San Rufo SA 16 1754 61892
Sasso di Castalda PZ 17 835 62727
Sicignano degli Alburni SA 18 3519 66246
Corleto Monforte SA 19 592 66838
Sant'Angelo a Fasanella SA 19 635 67473
Sala Consilina SA 20 12664 80137

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Potenza (67122 inhabitants)
45 Km E of Battipaglia (50786 inhabitants)
65 Km E of Salerno (135261 inhabitants)
70 Km E of Cava de' Tirreni (53659 inhabitants)
72 Km SE of Avellino (54857 inhabitants)
84 Km SW of Cerignola (58396 inhabitants)
86 Km E of Scafati (50787 inhabitants)
87 Km SE of Benevento (60091 inhabitants)
88 Km E of Castellammare di Stabia (66466 inhabitants)
92 Km W of Matera (60436 inhabitants)
92 Km W of Altamura (70396 inhabitants)
98 Km SW of Andria (100440 inhabitants)
99 Km S of Foggia (151991 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 0.9 2024-01-31
22:59:09
40.5728 15.5147 10 2024-01-31
23:09:10
Sala Sismica INGV-Roma 124971821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-31 22:59:09 ± 0.66
Latitude 40.5728 ± 0.0414
Longitude 15.5147 ± 0.0308
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124971821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4810
Semi-minor axis of confidence ellipse (meter) 2090
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 4810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.56
Epicentral distance of station closest to the epicenter (degree) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 0.47394
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 124971821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-31 23:09:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HNZ. 2024-01-31T22:59:25.68 0.1 undecidable manual S 145 52.6029 50 -0.63 92
IV.MTSN.HHE. 2024-01-31T22:59:23.43 0.1 undecidable manual S 149 39.4272 50 0.63 94
IV.MCEL.HNE. 2024-01-31T22:59:22.52 0.1 undecidable manual S 138 36.6411 50 0.47 100
IV.SIRI.HNZ. 2024-01-31T22:59:18.45 0.1 undecidable manual P 145 52.6029 50 -0.78 86
IV.MTSN.HHE. 2024-01-31T22:59:17.02 1.0 undecidable manual P 149 39.4272 50 -0.18 26
IV.MCEL.HNE. 2024-01-31T22:59:16.24 0.6 undecidable manual P 138 36.6411 50 -0.53 49
IV.CMPR.HHZ. 2024-01-31T22:59:15.67 0.6 negative manual P 212 33.4443 50 -0.6 48
IV.CDRU.HHZ. 2024-01-31T22:59:14.58 0.3 positive manual P 243 19.9689 117 0.54 75
IX.STN3.EHZ.02 2024-01-31T22:59:13.26 0.3 negative manual P 112 12.4764 129 0.49 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CDRU.HHN. ML:0.7 0.0000402 0.08 AML other m 2024-01-31T22:59:18.89
IV.CDRU.HHE. ML:1.0 0.00008015 0.1 AML other m 2024-01-31T22:59:18.93
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