Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 25-03-2024 and time 23:39:31 (UTC) in region Golfo di Policastro (Salerno, Potenza)

A magnitude ML 1.8 earthquake occured in region: Golfo di Policastro (Salerno, Potenza), on

  • 25-03-2024 23:39:31 (UTC)
  • 26-03-2024 00:39:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.8880, 15.6620 at 23 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Tortora CS 10 6187 6187
Praia a Mare CS 10 6725 12912
San Nicola Arcella CS 12 1957 14869
Maratea PZ 13 5139 20008
Scalea CS 14 10913 30921
Aieta CS 15 823 31744
Santa Domenica Talao CS 18 1263 33007
Trecchina PZ 19 2316 35323

Municipalities with at least 50000 inhabitants

An earthquake occurred to
83 Km NW of Cosenza (67546 inhabitants)
85 Km S of Potenza (67122 inhabitants)
99 Km SE of Battipaglia (50786 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 1.8 2024-03-25
23:39:31		 39.8877 15.6622 23 2024-03-25
23:44:29		 Sala Sismica INGV-Roma 126163861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-25 23:39:31 ± 0.18
Latitude 39.8877 ± 0.0072
Longitude 15.6622 ± 0.0094
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126163861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1017
Semi-minor axis of confidence ellipse (meter) 427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52430
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 126163861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-25 23:44:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.GLNS.HNZ. 2024-03-25T23:40:36.75 3.0 undecidable manual Sg 7.43 0
IV.CDRU.HHZ. 2024-03-25T23:39:53.91 3.0 undecidable manual S -0.24 0
IV.CELI.HHZ. 2024-03-25T23:39:47.25 3.0 undecidable manual P 0.32 0
IV.SIRI.HHZ. 2024-03-25T23:39:45.41 0.6 undecidable manual S 28 37.0296 114 0.63 43
XE.T0702.HHZ. 2024-03-25T23:39:45.43 0.3 undecidable manual S 117 40.4262 112 -0.18 71
IV.BULG.HHZ. 2024-03-25T23:39:44.07 0.3 undecidable manual S 311 32.1456 118 0.47 67
IV.CDRU.HHZ. 2024-03-25T23:39:44.18 3.0 negative manual P 0.06 0
IV.SALB.HHZ. 2024-03-25T23:39:42.55 0.3 undecidable manual P 91 58.1973 104 0.17 70
XE.MORMA.HHZ. 2024-03-25T23:39:42.28 0.3 undecidable manual S 94 26.4513 124 -0.02 75
IV.MGR.HHZ. 2024-03-25T23:39:42.34 0.3 undecidable manual S 342 29.2485 121 -0.58 67
IV.MCEL.HHZ. 2024-03-25T23:39:41.33 0.3 negative manual P 14 49.9167 107 0.19 71
IV.GRIS.EHZ. 2024-03-25T23:39:41.46 0.1 undecidable manual S 135 23.0547 128 -0.1 100
IV.CMPR.HHZ. 2024-03-25T23:39:41.80 0.1 negative manual P 328 56.5989 105 -0.34 91
IV.CET2.HHZ. 2024-03-25T23:39:41.07 0.6 undecidable manual P 148 47.0196 108 0.36 46
XE.T0701.HHZ. 2024-03-25T23:39:40.11 0.6 positive manual P 74 40.1265 112 0.39 46
IV.SCHR.EHZ. 2024-03-25T23:39:40.93 0.6 undecidable manual P 45 49.3173 107 -0.12 47
IV.MTSN.HHZ. 2024-03-25T23:39:40.50 0.6 negative manual P 10 42.7239 110 0.42 45
XE.T0702.HHZ. 2024-03-25T23:39:39.69 0.6 positive manual P 117 40.4262 112 -0.07 49
IV.SIRI.HHZ. 2024-03-25T23:39:39.07 0.1 undecidable manual P 28 37.0296 114 -0.2 96
IV.MGR.HHZ. 2024-03-25T23:39:38.00 0.1 negative manual P 342 29.2485 121 -0.2 98
IV.BULG.HHZ. 2024-03-25T23:39:38.59 0.1 positive manual P 311 32.1456 118 0 100
XE.MORMA.HHZ. 2024-03-25T23:39:37.77 0.6 negative manual P 94 26.4513 124 -0.07 50
IV.GRIS.EHZ. 2024-03-25T23:39:37.44 0.3 negative manual P 135 23.0547 128 0.02 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRIS.EHN. ML:1.6 0.00020250000000000002 0.5 AML other m 2024-03-25T23:39:41.39
IV.GRIS.EHE. ML:1.6 0.00020750000000000003 0.32 AML other m 2024-03-25T23:39:42.62
IV.MGR.HHE. ML:2.1 0.00047650000000000004 0.22 AML other m 2024-03-25T23:39:42.92
IV.MGR.HHN. ML:2.0 0.000446 0.26 AML other m 2024-03-25T23:39:42.86
XE.MORMA.HHE. ML:2.0 0.000456 0.26 AML other m 2024-03-25T23:39:43.15
XE.MORMA.HNE. ML:2.1 0.0005 0.28 AML other m 2024-03-25T23:39:43.15
IV.BULG.HHN. ML:2.0 0.0003595 0.2 AML other m 2024-03-25T23:39:44.74
IV.BULG.HNN. ML:2.0 0.0003435 0.2 AML other m 2024-03-25T23:39:44.74
XE.MORMA.HNN. ML:2.0 0.00040300000000000004 1.78 AML other m 2024-03-25T23:39:44.90
XE.MORMA.HHN. ML:2.0 0.00042699999999999997 1.78 AML other m 2024-03-25T23:39:44.91
XE.T0702.HHN. ML:1.9 0.000234 0.82 AML other m 2024-03-25T23:39:46.06
XE.T0702.HHE. ML:1.7 0.000146 1.16 AML other m 2024-03-25T23:39:46.78
XE.T0702.HNE. ML:1.5 0.00008824999999999999 1.16 AML other m 2024-03-25T23:39:46.20
XE.T0702.HNN. ML:1.6 0.00010300000000000001 0.16 AML other m 2024-03-25T23:39:46.38
XE.T0701.HHN. ML:1.7 0.000148 1.62 AML other m 2024-03-25T23:39:47.98
IV.BULG.HHE. ML:1.8 0.0002615 0.5 AML other m 2024-03-25T23:39:47.47
IV.BULG.HNE. ML:1.9 0.00027 0.5 AML other m 2024-03-25T23:39:47.23
XE.T0701.HHE. ML:1.7 0.000157 0.48 AML other m 2024-03-25T23:39:47.18
IV.MTSN.HNN. ML:1.9 0.0002065 0.48 AML other m 2024-03-25T23:39:47.44
IV.MTSN.HHN. ML:1.9 0.000215 0.98 AML other m 2024-03-25T23:39:47.68
IV.SIRI.HHN. ML:1.8 0.0002305 0.44 AML other m 2024-03-25T23:39:47.79
IV.SIRI.HNN. ML:1.9 0.000237 0.44 AML other m 2024-03-25T23:39:47.79
IV.SCHR.EHN. ML:1.4 0.0000616 0.7 AML other m 2024-03-25T23:39:48.57
IV.SIRI.HNE. ML:2.0 0.0002945 0.24 AML other m 2024-03-25T23:39:48.24
IV.SIRI.HHE. ML:2.0 0.000296 0.24 AML other m 2024-03-25T23:39:48.24
IV.CET2.HHE. ML:2.1 0.000305 0.38 AML other m 2024-03-25T23:39:48.56
IV.MTSN.HNE. ML:1.9 0.00020800000000000001 0.8 AML other m 2024-03-25T23:39:48.73
IV.MTSN.HHE. ML:1.8 0.000182 0.38 AML other m 2024-03-25T23:39:48.73
IV.CET2.HHN. ML:2.1 0.000325 1.18 AML other m 2024-03-25T23:39:49.28
IV.MCEL.HHE. ML:1.8 0.00014600000000000003 0.98 AML other m 2024-03-25T23:39:49.44
IV.SCHR.EHE. ML:1.3 0.00004815 1 AML other m 2024-03-25T23:39:49.95
IV.CMPR.HHN. ML:1.6 0.00007885 0.58 AML other m 2024-03-25T23:39:50.11
IV.MCEL.HNE. ML:2.2 0.0003675 1.02 AML other m 2024-03-25T23:39:50.44
IV.SALB.HHE. ML:1.5 0.00006305 0.62 AML other m 2024-03-25T23:39:50.13
IV.CMPR.HNE. ML:1.5 0.0000703 0.64 AML other m 2024-03-25T23:39:51.16
IV.CMPR.HHE. ML:1.5 0.00006560000000000001 0.88 AML other m 2024-03-25T23:39:51.92
IV.SALB.HHN. ML:1.3 0.0000419 0.42 AML other m 2024-03-25T23:39:52.71
IV.CMPR.HNN. ML:2.5 0.0006154999999999999 1.22 AML other m 2024-03-25T23:39:53.22
IV.MCEL.HHN. ML:1.7 0.00011285 1.28 AML other m 2024-03-25T23:39:53.87
IV.MCEL.HNN. ML:2.0 0.0002395 1.38 AML other m 2024-03-25T23:39:54.17
IV.CDRU.HHE. ML:1.8 0.0000837 0.7 AML other m 2024-03-25T23:39:55.51
IV.CDRU.HHN. ML:1.4 0.00004165 0.5 AML other m 2024-03-25T23:39:57.01
IV.CDRU.HNE. ML:1.8 0.00010499999999999999 0.4 AML other m 2024-03-25T23:39:59.43
IV.CDRU.HNN. ML:1.5 0.00004679999999999999 0.7 AML other m 2024-03-25T23:40:04.66
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