Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 04-12-2022 and time 09:51:55 (UTC) in region 3 km W Sant'Arsenio (SA)

A magnitude ML 1.4 earthquake occured in region: 3 km W Sant'Arsenio (SA), on

  • 04-12-2022 09:51:55 (UTC)
  • 04-12-2022 10:51:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.4660, 15.4480 at 19 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
Sant'Arsenio SA 3 2815 2815
San Pietro al Tanagro SA 4 1695 4510
San Rufo SA 4 1754 6264
Corleto Monforte SA 6 592 6856
Polla SA 7 5279 12135
Pertosa SA 9 690 12825
Sant'Angelo a Fasanella SA 9 635 13460
Atena Lucana SA 10 2336 15796
Petina SA 10 1159 16955
Auletta SA 11 2336 19291
Sacco SA 11 492 19783
Ottati SA 11 618 20401
Roscigno SA 11 817 21218
Caggiano SA 12 2765 23983
Teggiano SA 12 7976 31959
Bellosguardo SA 13 794 32753
Sant'Angelo Le Fratte PZ 13 1429 34182
Salvitelle SA 14 560 34742
Sala Consilina SA 14 12664 47406
Savoia di Lucania PZ 15 1127 48533
Piaggine SA 15 1311 49844
Valle dell'Angelo SA 15 248 50092
Brienza PZ 15 4078 54170
Vietri di Potenza PZ 16 2832 57002
Sicignano degli Alburni SA 16 3519 60521
Monte San Giacomo SA 16 1572 62093
Aquara SA 17 1545 63638
Sassano SA 17 5013 68651
Laurino SA 17 1548 70199
Romagnano al Monte SA 18 368 70567
Satriano di Lucania PZ 18 2374 72941
Castelcivita SA 18 1739 74680
Castel San Lorenzo SA 19 2471 77151
Buccino SA 20 5047 82198
Sasso di Castalda PZ 20 835 83033
Felitto SA 20 1283 84316

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Potenza (67122 inhabitants)
42 Km E of Battipaglia (50786 inhabitants)
63 Km E of Salerno (135261 inhabitants)
68 Km E of Cava de' Tirreni (53659 inhabitants)
74 Km SE of Avellino (54857 inhabitants)
84 Km E of Scafati (50787 inhabitants)
86 Km E of Castellammare di Stabia (66466 inhabitants)
93 Km SE of Benevento (60091 inhabitants)
97 Km SW of Cerignola (58396 inhabitants)
98 Km E of Torre del Greco (86275 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 1.4 2022-12-04
09:51:55		 40.4665 15.4482 19 2022-12-08
08:02:07		 Sala Sismica INGV-Roma 112617591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-04 09:51:55 ± 0.07
Latitude 40.4665 ± 0.0027
Longitude 15.4482 ± 0.0047
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 112617591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 378
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54949
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 22
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 112617591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-08 08:02:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SCHR.EHN. 2022-12-04T09:52:15.13 0.3 undecidable manual S 119 0.5477 99 0.28 65
MN.CUC.HHE. 2022-12-04T09:52:14.82 1.0 undecidable manual S 149 0.5495 99 -0.07 22
IV.SIRI.HNE. 2022-12-04T09:52:11.42 0.3 undecidable manual S 132 0.4281 102 0.08 70
IV.MCRV.HHZ. 2022-12-04T09:52:10.16 0.3 undecidable manual S 326 0.3804 104 0.17 68
IV.BULG.HNZ. 2022-12-04T09:52:10.80 0.6 undecidable manual S 188 0.3921 104 0.49 43
IV.MTSN.HHZ. 2022-12-04T09:52:08.15 1.0 undecidable manual S 131 0.3058 109 0.29 23
IV.MGR.HHZ. 2022-12-04T09:52:08.48 0.3 undecidable manual S 166 0.3381 107 -0.3 67
IV.MCEL.HNN. 2022-12-04T09:52:08.26 0.3 undecidable manual S 118 0.3040 109 0.44 66
IX.PGN3.HNZ.02 2022-12-04T09:52:07.75 0.6 undecidable manual S 68 0.2851 111 0.46 44
IV.MRLC.HNE. 2022-12-04T09:52:07.77 0.6 undecidable manual S 6 0.2914 110 0.31 45
IV.VULT.HHE. 2022-12-04T09:52:06.35 1.0 undecidable manual P 15 0.5045 100 0.21 22
MN.CUC.HHE. 2022-12-04T09:52:06.81 0.3 undecidable manual P 149 0.5495 99 -0.09 67
IX.COL3.HNN.02 2022-12-04T09:52:06.13 0.3 undecidable manual S 338 0.2374 116 0.13 71
IV.SCHR.EHN. 2022-12-04T09:52:06.43 0.3 undecidable manual P 119 0.5477 99 -0.45 63
IV.ACER.HHZ. 2022-12-04T09:52:05.86 0.3 undecidable manual P 49 0.4928 100 -0.09 69
IX.NSC3.HNE.02 2022-12-04T09:52:05.42 1.0 undecidable manual P 327 0.4533 102 0.14 23
IX.MRN3.HNE.01 2022-12-04T09:52:05.60 0.3 undecidable manual S 101 0.2176 119 0.12 72
IX.STN3.EHE.02 2022-12-04T09:52:04.25 1.0 undecidable manual S 68 0.1673 127 0.04 25
IV.SIRI.HNE. 2022-12-04T09:52:04.50 0.1 undecidable manual P 132 0.4281 102 -0.36 87
IV.CMPR.HHZ. 2022-12-04T09:52:04.89 0.3 undecidable manual S 217 0.1853 124 0.25 71
IV.MCRV.HHZ. 2022-12-04T09:52:04.09 0.1 undecidable manual P 326 0.3804 104 0.02 94
IV.BULG.HNZ. 2022-12-04T09:52:04.48 0.1 undecidable manual P 188 0.3921 104 0.22 91
IT.SLC1.HGE. 2022-12-04T09:52:03.57 0.3 undecidable manual S 122 0.1331 135 0.11 73
IX.TEGI.HNZ.01 2022-12-04T09:52:03.20 0.3 undecidable manual S 142 0.1097 141 0.21 72
IV.MGR.HHZ. 2022-12-04T09:52:03.08 0.1 undecidable manual P 166 0.3381 107 -0.3 90
IV.MCEL.HNN. 2022-12-04T09:52:03.05 0.1 undecidable manual P 118 0.3040 109 0.23 92
IV.CDRU.HNE. 2022-12-04T09:52:02.95 0.3 undecidable manual S 282 0.1115 141 -0.08 74
IX.CGG3.HNN.01 2022-12-04T09:52:02.44 0.3 undecidable manual S 37 0.0944 146 -0.28 71
IX.PGN3.HNZ.02 2022-12-04T09:52:02.59 0.1 undecidable manual P 68 0.2851 111 0.08 95
IV.MTSN.HHZ. 2022-12-04T09:52:02.81 0.1 positive manual P 131 0.3058 109 -0.04 95
IV.MRLC.HNE. 2022-12-04T09:52:02.51 0.1 undecidable manual P 6 0.2914 110 -0.1 95
IX.MRN3.HNE.01 2022-12-04T09:52:01.33 0.1 undecidable manual P 101 0.2176 119 -0.14 95
IX.COL3.HNN.02 2022-12-04T09:52:01.58 0.1 undecidable manual P 338 0.2374 116 -0.19 94
IV.CMPR.HHZ. 2022-12-04T09:52:01.07 0.1 positive manual P 217 0.1853 124 0.08 97
IX.SRN3.HHZ.02 2022-12-04T09:52:01.92 0.3 undecidable manual S 21 0.0207 172 -0.01 76
IX.TEGI.HNZ.01 2022-12-04T09:52:00.04 0.1 undecidable manual P 142 0.1097 141 0 100
IX.STN3.EHE.02 2022-12-04T09:52:00.62 0.3 undecidable manual P 68 0.1673 127 -0.12 73
IT.SLC1.HGE. 2022-12-04T09:52:00.33 0.3 undecidable manual P 122 0.1331 135 0.03 74
IX.SRN3.HHZ.02 2022-12-04T09:51:59.34 0.1 negative manual P 21 0.0207 172 -0.08 100
IV.CDRU.HNE. 2022-12-04T09:51:59.98 0.1 negative manual P 282 0.1115 141 -0.07 99
IX.CGG3.HNN.01 2022-12-04T09:51:59.48 0.1 undecidable manual P 37 0.0944 146 -0.4 92
IV.OVO.HHE. 2022-12-04T09:51:58.48 3.0 negative manual P -0.07 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HHN.02 ML:1.5 0.0003085 0.32 AML other m 2022-12-04T09:52:02.51
IX.SRN3.HHE.02 ML:1.4 0.00022399999999999997 0.52 AML other m 2022-12-04T09:52:03.33
IV.CMPR.HHN. ML:1.4 0.0001315 0.46 AML other m 2022-12-04T09:52:05.41
IV.CMPR.HHE. ML:1.5 0.0001915 0.24 AML other m 2022-12-04T09:52:05.30
IX.SRN3.HNN.01 ML:1.4 0.00023966815 0.128 AML other m 2022-12-04T09:52:03.59
IV.CMPR.HNE. ML:1.5 0.0001765968 0.2304 AML other m 2022-12-04T09:52:05.42
IV.MTSN.HHE. ML:1.2 0.00006156530999999999 0.2176 AML other m 2022-12-04T09:52:11.44
IV.MTSN.HHN. ML:1.2 0.00006444563 0.3008 AML other m 2022-12-04T09:52:11.03
IV.MGR.HHE. ML:1.2 0.00004875172999999999 0.2176 AML other m 2022-12-04T09:52:09.60
IV.MGR.HHN. ML:1.1 0.000047337205 0.16 AML other m 2022-12-04T09:52:09.03
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download