Earthquake with magnitude of ML 1.0 on date 16-04-2023 and time 21:39:21 (Italy) in region 4 km NE San Pietro in Guarano (CS)

A magnitude ML 1.0 earthquake occured in region: 4 km NE San Pietro in Guarano (CS), on

  • 16-04-2023 19:39:21 (UTC)
  • 16-04-2023 21:39:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.3740, 16.3390 at 13 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.

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 Pietro in Guarano CS 4 3663 3663
Rose CS 5 4373 8036
Castiglione Cosentino CS 5 2896 10932
Lappano CS 6 941 11873
Celico CS 7 2802 14675
Rovito CS 7 3158 17833
Zumpano CS 8 2570 20403
Spezzano della Sila CS 8 4541 24944
Luzzi CS 9 9396 34340
Spezzano Piccolo CS 9 2079 36419
Casole Bruzio CS 10 2578 38997
Trenta CS 10 2633 41630
Serra Pedace CS 11 986 42616
Pedace CS 11 1907 44523
Cosenza CS 11 67546 112069
Pietrafitta CS 12 1310 113379
Acri CS 13 20858 134237
Castrolibero CS 14 9894 144131
Rende CS 14 35338 179469
Aprigliano CS 15 2890 182359
Piane Crati CS 15 1423 183782
Marano Marchesato CS 16 3553 187335
Montalto Uffugo CS 16 19669 207004
Bisignano CS 16 10203 217207
San Vincenzo La Costa CS 16 2195 219402
Marano Principato CS 16 3180 222582
Figline Vegliaturo CS 16 1137 223719
Dipignano CS 17 4376 228095
Carolei CS 17 3330 231425
Cellara CS 17 504 231929
San Fili CS 17 2719 234648
Mendicino CS 18 9450 244098
Cerisano CS 18 3196 247294
Paterno Calabro CS 18 1398 248692
Mangone CS 19 1891 250583
Santa Sofia d'Epiro CS 19 2628 253211
San Benedetto Ullano CS 19 1555 254766
Lattarico CS 20 4013 258779

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Cosenza (67546 inhabitants)
44 Km N of Lamezia Terme (70714 inhabitants)
57 Km NW of Catanzaro (90612 inhabitants)
75 Km W of Crotone (62178 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 1.0 2023-04-16
19:39:21
39.3742 16.3387 13 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124831971
Reviewed
Rev100
ML 1.0 2023-04-16
19:39:20
39.3632 16.3295 17 2023-04-16
19:45:28
Sala Sismica INGV-Roma 116440941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-16 19:39:21 ± 0.08
Latitude 39.3742 ± 0.0045
Longitude 16.3387 ± 0.0047
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124831971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 491
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.57017
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 116440941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-16 19:45:28

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 124831971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-24 14:44:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.HNE. 2023-04-16T19:39:39.45 0.6 undecidable manual S 315 58.0974 93 0.04 46
XE.T0702.HHN. 2023-04-16T19:39:35.95 0.6 undecidable manual S 331 44.2224 94 0.24 45
IV.CET2.HHZ. 2023-04-16T19:39:33.63 0.6 undecidable manual S 298 37.1295 95 -0.19 47
XE.MORMA.HHE. 2023-04-16T19:39:32.99 0.3 undecidable manual P 330 63.2922 92 0.38 64
IV.GRIS.HNE. 2023-04-16T19:39:31.67 0.3 undecidable manual P 315 58.0974 93 -0.14 68
IV.SERS.HNN. 2023-04-16T19:39:30.43 0.3 undecidable manual P 141 48.1185 93 0.15 69
IV.PIPA.HHZ. 2023-04-16T19:39:29.12 0.3 undecidable manual P 73 42.7239 94 -0.33 66
XE.T0702.HHN. 2023-04-16T19:39:29.61 0.1 undecidable manual P 331 44.2224 94 -0.07 94
IV.CELI.HHZ. 2023-04-16T19:39:28.12 0.6 undecidable manual S 78 14.9739 115 0.09 50
IV.CAR1.HHZ. 2023-04-16T19:39:28.44 0.6 undecidable manual S 219 17.2716 110 -0.17 49
IV.CET2.HHZ. 2023-04-16T19:39:28.45 0.1 undecidable manual P 298 37.1295 95 -0.13 94
IV.SPS2.HHZ. 2023-04-16T19:39:26.68 0.6 undecidable manual S 180 9.1797 135 -0.1 50
IV.CAR1.HHZ. 2023-04-16T19:39:25.61 0.1 undecidable manual P 219 17.2716 110 0.03 98
IV.CELI.HHZ. 2023-04-16T19:39:25.28 0.1 undecidable manual P 78 14.9739 115 0.04 100
IV.SPS2.HHZ. 2023-04-16T19:39:24.63 0.1 negative manual P 180 9.1797 135 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHE. ML:1.0 0.00007468654499999999 1.3184 AML other m 2023-04-16T19:39:25.01
IV.SPS2.HHN. ML:0.9 0.00008046498000000001 1.808 AML other m 2023-04-16T19:39:27.96
IV.SPS2.HHE. ML:0.8 0.00006695 1.58 AML other m 2023-04-16T19:39:27.87
IV.CELI.HHE. ML:0.9 0.00006459441500000001 0.448 AML other m 2023-04-16T19:39:28.42
IV.CELI.HHN. ML:0.5 0.00002575649 0.1408 AML other m 2023-04-16T19:39:28.53
IV.CELI.HNE. ML:1.0 0.00007992554499999998 0.448 AML other m 2023-04-16T19:39:28.60
IV.CAR1.HNE. ML:0.9 0.0000526088065 0.1792 AML other m 2023-04-16T19:39:28.62
IV.CAR1.HNN. ML:0.8 0.000046967814999999995 0.256 AML other m 2023-04-16T19:39:28.65
IV.CAR1.HHN. ML:0.9 0.00005714079 0.256 AML other m 2023-04-16T19:39:28.65
IV.CET2.HHN. ML:1.2 0.000058288415 0.1024 AML other m 2023-04-16T19:39:33.75
IV.CET2.HHE. ML:1.3 0.00007920749000000001 0.4224 AML other m 2023-04-16T19:39:34.30
IV.CELI.HNN. ML:0.6 0.000034180945000000007 0.9248 AML other m 2023-04-16T19:39:35.88
IV.PIPA.HNE. ML:1.6 0.00010966253 0.7936 AML other m 2023-04-16T19:39:41.02
IV.PIPA.HNN. ML:1.6 0.0001405592 0.9216 AML other m 2023-04-16T19:39:47.53
IV.PIPA.HHE. ML:1.0 0.000030869405 0.656 AML other m 2023-04-16T19:39:50.12
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