Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 14-08-2019 and time 05:44:22 (Italy) in region 2 km SW San Gregorio Magno (SA)

A magnitude ML 0.9 earthquake occured in region: 2 km SW San Gregorio Magno (SA), on

  • 14-08-2019 03:44:22 (UTC)
  • 14-08-2019 05:44:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6460, 15.3840 at 9 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
San Gregorio Magno SA 2 4286 4286
Buccino SA 2 5047 9333
Romagnano al Monte SA 5 368 9701
Palomonte SA 8 3985 13686
Salvitelle SA 9 560 14246
Ricigliano SA 9 1144 15390
Auletta SA 10 2336 17726
Balvano PZ 11 1830 19556
Sicignano degli Alburni SA 12 3519 23075
Vietri di Potenza PZ 12 2832 25907
Colliano SA 12 3638 29545
Contursi Terme SA 12 3394 32939
Pertosa SA 13 690 33629
Petina SA 13 1159 34788
Caggiano SA 13 2765 37553
Oliveto Citra SA 13 3802 41355
Valva SA 14 1643 42998
Muro Lucano PZ 15 5497 48495
Postiglione SA 16 2151 50646
Castelgrande PZ 16 943 51589
Savoia di Lucania PZ 17 1127 52716
Laviano SA 17 1438 54154
Polla SA 17 5279 59433
Serre SA 18 3995 63428
Bella PZ 18 5171 68599
Baragiano PZ 18 2671 71270
Senerchia AV 18 842 72112
Sant'Angelo Le Fratte PZ 19 1429 73541
Santomenna SA 19 443 73984
Castelnuovo di Conza SA 20 619 74603

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Battipaglia (50786 inhabitants)
36 Km W of Potenza (67122 inhabitants)
53 Km E of Salerno (135261 inhabitants)
57 Km E of Cava de' Tirreni (53659 inhabitants)
58 Km SE of Avellino (54857 inhabitants)
73 Km E of Scafati (50787 inhabitants)
74 Km SE of Benevento (60091 inhabitants)
76 Km E of Castellammare di Stabia (66466 inhabitants)
82 Km SW of Cerignola (58396 inhabitants)
87 Km E of Torre del Greco (86275 inhabitants)
89 Km E of Portici (55274 inhabitants)
89 Km E of Ercolano (53709 inhabitants)
92 Km E of Acerra (59573 inhabitants)
92 Km S of Foggia (151991 inhabitants)
96 Km E of Afragola (65057 inhabitants)
97 Km E of Casoria (77642 inhabitants)
98 Km E of Napoli (974074 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 2019-08-14
03:44:22		 40.6463 15.3838 9 2019-08-14
03:51:14		 Sala Sismica INGV-Roma 71473531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-14 03:44:22 ± 0.02
Latitude 40.6463 ± 0.0009
Longitude 15.3838 ± 0.0024
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71473531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 151
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.04
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33365
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 71473531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-14 03:51:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VITU.HHZ. 2019-08-14T03:44:33.68 3.0 undecidable manual P -0.05 0
IX.STN3.HHZ.02 2019-08-14T03:44:31.88 0.6 undecidable manual S 120 25.9518 110 0.04 65
IV.CMPR.HHZ. 2019-08-14T03:44:29.64 0.3 undecidable manual P 191 37.0296 50 0.02 96
IV.CDRU.HHZ. 2019-08-14T03:44:29.51 0.6 undecidable manual S 201 18.6702 117 0.02 66
IV.SNAL.HHE. 2019-08-14T03:44:29.20 0.6 undecidable manual P 335 34.2435 50 0.01 64
IV.MRLC.HHZ. 2019-08-14T03:44:28.50 0.6 undecidable manual S 36 15.0738 122 0.09 66
IX.STN3.HHZ.02 2019-08-14T03:44:27.74 0.3 undecidable manual P 120 25.9518 110 -0.05 97
IV.CDRU.HHZ. 2019-08-14T03:44:26.42 0.3 undecidable manual P 201 18.6702 117 -0.02 99
IX.SRN3.HHE.02 2019-08-14T03:44:26.51 0.6 undecidable manual P 161 18.87 116 0.03 66
IV.MRLC.HHZ. 2019-08-14T03:44:25.74 0.6 positive manual P 36 15.0738 122 -0.07 66
IX.SCL3.HHE.02 2019-08-14T03:44:25.28 0.3 undecidable manual P 63 11.9769 128 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRLC.HHE. ML:0.8 0.00006745000000000001 1.14 AML other m 2019-08-14T03:44:28.87
IV.MRLC.HHN. ML:0.9 0.0000812 0.42 AML other m 2019-08-14T03:44:28.32
IV.CDRU.HHE. ML:0.9 0.00006080000000000001 0.28 AML other m 2019-08-14T03:44:29.79
IV.CDRU.HHN. ML:0.8 0.00005365 0.28 AML other m 2019-08-14T03:44:29.78
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