Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 22-05-2018 and time 13:30:40 (Italy) in region 4 km NW Ricigliano (SA)

A magnitude ML 2.4 earthquake occured in region: 4 km NW Ricigliano (SA), on

  • 22-05-2018 11:30:40 (UTC)
  • 22-05-2018 13:30:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7000, 15.4530 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Ricigliano SA 4 1144 1144
San Gregorio Magno SA 7 4286 5430
Muro Lucano PZ 7 5497 10927
Balvano PZ 7 1830 12757
Romagnano al Monte SA 8 368 13125
Castelgrande PZ 10 943 14068
Bella PZ 10 5171 19239
Buccino SA 10 5047 24286
Vietri di Potenza PZ 12 2832 27118
Salvitelle SA 12 560 27678
Baragiano PZ 12 2671 30349
Colliano SA 14 3638 33987
Palomonte SA 14 3985 37972
Caggiano SA 15 2765 40737
San Fele PZ 15 3004 43741
Laviano SA 16 1438 45179
Auletta SA 16 2336 47515
Pescopagano PZ 16 1910 49425
Valva SA 16 1643 51068
Santomenna SA 16 443 51511
Savoia di Lucania PZ 17 1127 52638
Rapone PZ 17 990 53628
Picerno PZ 17 5985 59613
Pertosa SA 17 690 60303
Castelnuovo di Conza SA 17 619 60922
Sant'Andrea di Conza AV 18 1539 62461
Ruvo del Monte PZ 18 1083 63544
Oliveto Citra SA 18 3802 67346
Contursi Terme SA 19 3394 70740
Ruoti PZ 19 3579 74319
Sant'Angelo Le Fratte PZ 19 1429 75748
Sicignano degli Alburni SA 20 3519 79267
Petina SA 20 1159 80426

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Potenza (67122 inhabitants)
41 Km E of Battipaglia (50786 inhabitants)
59 Km E of Salerno (135261 inhabitants)
60 Km E of Avellino (54857 inhabitants)
63 Km E of Cava de' Tirreni (53659 inhabitants)
74 Km SW of Cerignola (58396 inhabitants)
74 Km SE of Benevento (60091 inhabitants)
78 Km E of Scafati (50787 inhabitants)
82 Km E of Castellammare di Stabia (66466 inhabitants)
85 Km S of Foggia (151991 inhabitants)
92 Km SW of Andria (100440 inhabitants)
92 Km E of Torre del Greco (86275 inhabitants)
94 Km E of Portici (55274 inhabitants)
94 Km W of Altamura (70396 inhabitants)
94 Km E of Ercolano (53709 inhabitants)
95 Km E of Acerra (59573 inhabitants)
97 Km W of Matera (60436 inhabitants)
98 Km SW of Barletta (94814 inhabitants)
99 Km E of Afragola (65057 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
Bulletin
Rev1000 		ML 2.4 2018-05-22
11:30:40		 40.7 15.4533 14 2019-04-24
14:51:11		 Bollettino Sismico Italiano INGV 66552771
Reviewed
Rev100 		ML 2.4 2018-05-22
11:30:39		 40.7068 15.4778 16 2018-05-22
11:47:09		 Sala Sismica INGV-Roma 57122451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-22 11:30:40 ± 0.07
Latitude 40.7000 ± 0.0036
Longitude 15.4533 ± 0.0059
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66552771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07649
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 54
Type of magnitude ML
Reference to an origin 57122451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-22 11:47:09

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 62
Type of magnitude ML
Reference to an origin 66552771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-20 12:01:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPI.EHZ. 2018-05-22T11:32:31.47 3.0 undecidable manual Sg 9.16 0
IV.COR1.EHZ. 2018-05-22T11:32:20.75 3.0 undecidable manual Sg 1.09 0
GU.GSCL.HHZ. 2018-05-22T11:32:13.08 3.0 undecidable manual Pg 15.1 0
IV.MF5.EHZ. 2018-05-22T11:32:09.75 3.0 undecidable manual Sg 7.75 0
MN.TRI.HHZ. 2018-05-22T11:32:08.68 3.0 undecidable manual Pg 9.99 0
CR.STON.BHZ. 2018-05-22T11:32:07.02 3.0 undecidable manual Sg 5.77 0
IV.RMP.HHZ. 2018-05-22T11:31:55.82 3.0 undecidable manual Sg 3.97 0
IV.MNTP.HNZ. 2018-05-22T11:31:34.54 3.0 undecidable manual Pg 7.58 0
IV.TERO.HHZ. 2018-05-22T11:31:26.32 3.0 undecidable manual Pg 6.02 0
IV.SGRT.HHZ. 2018-05-22T11:30:59.44 0.3 undecidable manual P 12 119.4915 92 -0.47 55
IV.MGR.HHZ. 2018-05-22T11:30:58.70 0.6 undecidable manual S 172 62.9925 93 -0.65 38
IV.MTSN.HHZ. 2018-05-22T11:30:57.80 0.6 undecidable manual S 152 54.3012 94 0.76 38
IV.PALZ.HHZ. 2018-05-22T11:30:56.40 0.6 undecidable manual S 57 50.4162 94 0.38 43
IV.SGTA.HHZ. 2018-05-22T11:30:55.80 1.0 undecidable manual S 351 48.8178 95 0.21 22
IV.CMPR.HHZ. 2018-05-22T11:30:54.60 0.3 undecidable manual S 197 44.2224 95 0.23 67
IV.ACER.HHZ. 2018-05-22T11:30:53.99 1.0 undecidable manual S 77 42.2244 96 0.15 23
IV.CAFE.HHZ. 2018-05-22T11:30:53.60 0.6 undecidable manual S 334 40.626 96 0.18 45
IV.MRVN.HHZ. 2018-05-22T11:30:53.45 0.3 undecidable manual P 57 74.0703 93 0.54 59
IV.SLCN.HHZ. 2018-05-22T11:30:52.70 0.6 undecidable manual S 156 37.5291 97 0.1 47
IV.BULG.HHZ. 2018-05-22T11:30:52.00 0.3 undecidable manual P 185 69.2751 93 -0.17 65
IV.MRB1.HHZ. 2018-05-22T11:30:51.09 0.3 undecidable manual P 319 62.0934 93 0.02 68
IV.MCRV.HHZ. 2018-05-22T11:30:50.00 0.6 undecidable manual S 291 25.6521 102 0.54 43
IV.MCEL.HHZ. 2018-05-22T11:30:50.51 0.3 undecidable manual P 145 50.9157 94 1.15 48
IV.MGR.HHZ. 2018-05-22T11:30:50.44 0.6 undecidable manual P 172 62.9925 93 -0.76 37
IV.VULT.HHZ. 2018-05-22T11:30:50.90 0.6 undecidable manual S 26 31.4463 99 -0.07 47
IV.MTSN.HHZ. 2018-05-22T11:30:49.75 0.3 undecidable manual P 152 54.3012 94 -0.12 67
IV.SGTA.HHZ. 2018-05-22T11:30:48.95 0.6 undecidable manual P 351 48.8178 95 -0.08 46
IV.PALZ.HHZ. 2018-05-22T11:30:48.75 0.6 undecidable manual P 57 50.4162 94 -0.53 41
IV.CAFE.HHZ. 2018-05-22T11:30:47.74 0.1 undecidable manual P 334 40.626 96 -0.04 94
IV.ACER.HHZ. 2018-05-22T11:30:47.70 0.3 undecidable manual P 77 42.2244 96 -0.32 66
IV.CMPR.HHZ. 2018-05-22T11:30:47.95 0.1 undecidable manual P 197 44.2224 95 -0.38 87
IV.SLCN.HHZ. 2018-05-22T11:30:47.20 0.1 undecidable manual P 156 37.5291 97 -0.1 93
IX.LIO3.HHZ.02 2018-05-22T11:30:46.36 0.1 undecidable manual P 314 31.6461 99 -0.04 96
BA.PZUN.HHZ. 2018-05-22T11:30:46.47 0.6 undecidable manual P 101 30.3474 99 0.27 46
IV.VULT.HHZ. 2018-05-22T11:30:46.10 0.1 undecidable manual P 26 31.4463 99 -0.26 91
IX.PST3.HHZ.02 2018-05-22T11:30:45.17 0.3 undecidable manual P 229 23.4543 104 0.01 73
IV.MCRV.HHZ. 2018-05-22T11:30:45.44 0.6 undecidable manual P 291 25.6521 102 -0.05 48
IX.RDM3.HHN.02 2018-05-22T11:30:45.34 0.3 undecidable manual P 20 20.6682 108 0.59 64
IX.COL3.HHE. 2018-05-22T11:30:45.98 0.6 undecidable manual S 262 10.4784 134 0.17 48
IV.MRLC.HHZ. 2018-05-22T11:30:45.00 0.6 undecidable manual S 26 6.8931 147 -0.21 48
IX.SNR3.HHE. 2018-05-22T11:30:44.99 0.1 undecidable manual P 280 22.2555 106 0 97
IX.SCL3.HNE. 2018-05-22T11:30:44.93 0.6 undecidable manual S 96 4.8951 156 -0.02 50
IX.CGG3.HNN. 2018-05-22T11:30:44.45 0.1 undecidable manual P 162 18.4704 112 0.02 98
IX.COL3.HHE. 2018-05-22T11:30:43.42 0.1 undecidable manual P 262 10.4784 134 0.04 99
IV.MRLC.HHZ. 2018-05-22T11:30:42.84 0.1 undecidable manual P 26 6.8931 147 -0.2 96
IX.SCL3.HNE. 2018-05-22T11:30:42.87 0.1 undecidable manual P 96 4.8951 156 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRLC.HNN. ML:2.4 0.0027377215 0.32 AML other m 2018-05-22T11:30:45.56
IV.MRLC.HNE. ML:2.4 0.0030435815000000002 0.32 AML other m 2018-05-22T11:30:45.77
IV.MRLC.HHN. ML:2.7 0.006191985 0.32 AML other m 2018-05-22T11:30:45.56
IV.MRLC.HHE. ML:2.7 0.0064594959999999995 0.3392 AML other m 2018-05-22T11:30:45.78
IV.MCRV.HHE. ML:2.6 0.0021172575 0.3776 AML other m 2018-05-22T11:30:51.60
IV.VULT.HHE. ML:2.4 0.0010441345500000001 0.1408 AML other m 2018-05-22T11:30:51.84
IV.MCRV.HHN. ML:2.6 0.00225252 0.1408 AML other m 2018-05-22T11:30:52.10
IV.SLCN.HHN. ML:2.9 0.0026988539999999997 0.3776 AML other m 2018-05-22T11:30:53.32
IV.SLCN.HNN. ML:2.8 0.0023841185 0.3712 AML other m 2018-05-22T11:30:53.32
IV.ACER.HNE. ML:2.5 0.0009555286999999999 0.224 AML other m 2018-05-22T11:30:54.69
IV.ACER.HHE. ML:2.5 0.00103206365 0.224 AML other m 2018-05-22T11:30:54.69
IV.SLCN.HHE. ML:3.0 0.003486636 0.32 AML other m 2018-05-22T11:30:54.82
IV.SLCN.HNE. ML:3.0 0.003214073 0.32 AML other m 2018-05-22T11:30:54.82
IV.CMPR.HHE. ML:2.4 0.0007815301 0.6016 AML other m 2018-05-22T11:30:55.29
IV.CAFE.HNN. ML:2.6 0.001154674 0.3968 AML other m 2018-05-22T11:30:55.60
IV.CAFE.HHN. ML:2.5 0.00114360555 0.3776 AML other m 2018-05-22T11:30:55.59
IV.CAFE.HHE. ML:2.8 0.002076713 1.7376 AML other m 2018-05-22T11:30:55.09
IV.CAFE.HNE. ML:2.8 0.0020008085000000004 1.744 AML other m 2018-05-22T11:30:55.09
IV.SGTA.HNE. ML:2.3 0.00051582705 0.3392 AML other m 2018-05-22T11:30:57.18
IV.SGTA.HHE. ML:2.3 0.00051146825 0.3392 AML other m 2018-05-22T11:30:57.18
IV.CMPR.HHN. ML:2.3 0.0006053934999999999 0.3008 AML other m 2018-05-22T11:30:57.05
IV.ACER.HHN. ML:2.4 0.0007892359499999999 1.5648 AML other m 2018-05-22T11:30:58.11
IV.ACER.HNN. ML:2.4 0.0007783105 1.5456 AML other m 2018-05-22T11:30:58.12
IV.VULT.HNE. ML:2.3 0.00098272425 1.5712 AML other m 2018-05-22T11:30:58.09
IV.MTSN.HHN. ML:2.4 0.00055409065 0.1984 AML other m 2018-05-22T11:30:59.26
IV.PALZ.HHN. ML:2.4 0.0007171432 0.7168 AML other m 2018-05-22T11:30:59.56
IV.MCEL.HNN. ML:2.3 0.0004678053 0.4224 AML other m 2018-05-22T11:31:00.22
IV.MCEL.HNE. ML:2.2 0.0003997699 0.2624 AML other m 2018-05-22T11:31:00.65
IV.PALZ.HHE. ML:2.3 0.0005356233500000001 0.3776 AML other m 2018-05-22T11:31:00.95
IV.SGTA.HHN. ML:2.1 0.000362391 1.6224 AML other m 2018-05-22T11:31:00.96
IV.SGTA.HNN. ML:2.2 0.0003972022 1.6096 AML other m 2018-05-22T11:31:00.97
IV.MCEL.HHN. ML:2.3 0.00046050210000000004 0.416 AML other m 2018-05-22T11:31:01.62
IV.MCEL.HHE. ML:2.2 0.00041824989999999997 1.7376 AML other m 2018-05-22T11:31:01.05
IV.MGR.HHE. ML:2.4 0.00043768249999999996 0.2752 AML other m 2018-05-22T11:31:02.60
BA.PZUN.HHE. ML:2.2 0.0007751935500000001 0.4608 AML other m 2018-05-22T11:31:02.73
BA.PZUN.HNE. ML:2.2 0.0008292641000000001 0.4416 AML other m 2018-05-22T11:31:02.74
IV.VULT.HHN. ML:2.6 0.0016852529999999998 1.2832 AML other m 2018-05-22T11:31:03.92
IV.VULT.HNN. ML:2.6 0.001624177 1.2832 AML other m 2018-05-22T11:31:03.92
BA.PZUN.HNN. ML:2.2 0.0007013977499999999 0.4416 AML other m 2018-05-22T11:31:03.53
BA.PZUN.HHN. ML:2.2 0.00067717575 0.4416 AML other m 2018-05-22T11:31:03.53
IV.MRVN.HHN. ML:2.5 0.0004913417 1.7632 AML other m 2018-05-22T11:31:03.91
IV.MTSN.HHE. ML:2.3 0.00053570815 0.3968 AML other m 2018-05-22T11:31:04.02
IV.MRVN.HHE. ML:2.5 0.00053089125 0.5568 AML other m 2018-05-22T11:31:04.39
IV.MGR.HHN. ML:2.4 0.00048700665 0.2624 AML other m 2018-05-22T11:31:05.00
IV.MGR.HNN. ML:2.5 0.0006761175 1.7248 AML other m 2018-05-22T11:31:06.88
IV.MRB1.HNE. ML:2.3 0.00039152755 0.6784 AML other m 2018-05-22T11:31:06.88
IV.MRB1.HHE. ML:2.3 0.00038107815 0.3776 AML other m 2018-05-22T11:31:06.54
IV.BULG.HHN. ML:2.7 0.0008106278 0.6784 AML other m 2018-05-22T11:31:08.54
IV.BULG.HNN. ML:2.6 0.00079487795 0.6976 AML other m 2018-05-22T11:31:08.55
IV.BULG.HHE. ML:2.4 0.00043402560000000003 1.3792 AML other m 2018-05-22T11:31:08.91
IV.AMUR.HHN. ML:2.3 0.00020180245000000002 1.5616 AML other m 2018-05-22T11:31:10.03
IV.AMUR.HHE. ML:2.2 0.0001437725 0.6176 AML other m 2018-05-22T11:31:10.60
IV.MRB1.HNN. ML:2.4 0.0004531157 0.7552 AML other m 2018-05-22T11:31:13.06
IV.MRB1.HHN. ML:2.3 0.0003560193 0.7168 AML other m 2018-05-22T11:31:13.07
IV.MGR.HNE. ML:2.5 0.0005593067 1.328 AML other m 2018-05-22T11:31:15.72
IV.SGRT.HHN. ML:2.3 0.000159144 0.2176 AML other m 2018-05-22T11:31:20.47
IV.OVO.HHE. ML:2.5 0.00033175749999999997 0.736 AML other m 2018-05-22T11:31:21.64
IV.SGRT.HHE. ML:2.2 0.00012031908 0.3968 AML other m 2018-05-22T11:31:22.44
IV.BSSO.HHE. ML:1.7 0.000033622395 1.4432 AML other m 2018-05-22T11:31:24.07
IV.BSSO.HNN. ML:2.1 0.000091130455 1.2576 AML other m 2018-05-22T11:31:25.07
IV.BSSO.HHN. ML:1.6 0.000032160895 1.2576 AML other m 2018-05-22T11:31:25.07
IV.BSSO.HNE. ML:2.0 0.00007539539 1.3216 AML other m 2018-05-22T11:31:30.27
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
Waveforms Seismic signals in miniseed + resp format Download