Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-03-2020 and time 04:52:40 (UTC) in region 1 km SW San Lorenzo (RC)

A magnitude ML 2.0 earthquake occured in region: 1 km SW San Lorenzo (RC), on

  • 04-03-2020 04:52:40 (UTC)
  • 04-03-2020 05:52:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0020, 15.8270 at 11 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
San Lorenzo RC 1 2640 2640
Bagaladi RC 3 1039 3679
Condofuri RC 3 5113 8792
Montebello Ionico RC 6 6214 15006
Roccaforte del Greco RC 8 476 15482
Bova RC 9 448 15930
Melito di Porto Salvo RC 10 11355 27285
Roghudi RC 10 1104 28389
Cardeto RC 11 1641 30030
Bova Marina RC 11 4235 34265
Motta San Giovanni RC 11 6208 40473
Palizzi RC 17 2480 42953
Staiti RC 18 248 43201
Santo Stefano in Aspromonte RC 19 1263 44464
Sant'Alessio in Aspromonte RC 20 343 44807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SE of Reggio di Calabria (183035 inhabitants)
32 Km SE of Messina (238439 inhabitants)
72 Km NE of Acireale (52622 inhabitants)
85 Km NE of Catania (314555 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 2.0 2020-03-04
04:52:40		 38.0017 15.8273 11 2020-07-18
21:08:24		 Bollettino Sismico Italiano INGV 77069711
Reviewed
Rev100 		ML 2.2 2020-03-04
04:52:40		 37.9938 15.8353 11 2020-03-04
05:03:10		 Sala Sismica INGV-Roma 77017501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-04 04:52:40 ± 0.14
Latitude 38.0017 ± 0.0072
Longitude 15.8273 ± 0.0068
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77069711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 816
Semi-minor axis of confidence ellipse (meter) 424
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 1.28603
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 77069711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-12 16:11:49

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 77017501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-04 05:03:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2020-03-04T04:53:13.62 0.6 undecidable manual S 229 110.8002 50 0.98 32
IV.CAR1.HHZ. 2020-03-04T04:53:03.76 0.1 undecidable manual P 13 142.746 50 -0.24 76
IV.PLAC.HHE. 2020-03-04T04:53:03.50 0.6 undecidable manual S 47 72.7716 50 1.01 33
IV.JOPP.HHZ. 2020-03-04T04:53:00.96 0.6 undecidable manual S 4 67.2771 50 -0.06 46
IV.FERC.HNN. 2020-03-04T04:52:59.45 0.6 undecidable manual S 28 56.499 50 1.32 29
IV.HLNI.HHZ. 2020-03-04T04:52:58.95 1.0 undecidable manual P 229 110.8002 50 -0.13 21
IV.AIO.HHZ. 2020-03-04T04:52:57.35 0.6 undecidable manual S 266 52.1034 50 0.4 44
IV.MPNC.HHZ. 2020-03-04T04:52:54.60 0.3 undecidable manual S 291 44.4222 50 -0.32 68
IV.MSRU.HHZ. 2020-03-04T04:52:53.97 0.3 undecidable manual S 316 40.2264 50 0.17 71
IV.PLAC.HHE. 2020-03-04T04:52:53.24 0.1 undecidable manual P 47 72.7716 50 0.03 92
IV.JOPP.HHZ. 2020-03-04T04:52:51.98 0.1 positive manual P 4 67.2771 50 -0.39 86
IV.SICLA.EHZ. 2020-03-04T04:52:51.23 0.3 undecidable manual S 341 29.9478 50 0.19 72
MN.CEL.HHZ. 2020-03-04T04:52:50.76 0.3 undecidable manual S 11 29.2485 50 -0.11 73
IV.FERC.HNN. 2020-03-04T04:52:50.79 0.1 undecidable manual P 28 56.499 50 0.09 93
IV.AIO.HHZ. 2020-03-04T04:52:50.00 0.3 undecidable manual P 266 52.1034 50 -0.02 71
IV.GMB.BHZ. 2020-03-04T04:52:48.15 0.3 undecidable manual S 0 18.4704 50 0.17 73
IV.MPNC.HHZ. 2020-03-04T04:52:48.48 0.1 undecidable manual P 291 44.4222 50 -0.36 90
IV.SOI.EHZ. 2020-03-04T04:52:48.30 0.3 undecidable manual S 68 21.3675 50 -0.45 69
IT.RCU.HGZ. 2020-03-04T04:52:47.96 0.6 undecidable manual S 313 19.3695 50 -0.26 48
IV.MSRU.HHZ. 2020-03-04T04:52:47.90 0.3 undecidable manual P 316 40.2264 50 -0.3 69
IV.MTTG.HHZ. 2020-03-04T04:52:46.04 0.3 undecidable manual S 271 11.1777 134 0.09 75
MN.CEL.HHZ. 2020-03-04T04:52:46.59 0.1 undecidable manual P 11 29.2485 50 0.08 98
IV.SICLA.EHZ. 2020-03-04T04:52:46.57 0.1 undecidable manual P 341 29.9478 50 -0.04 99
IV.GMB.BHZ. 2020-03-04T04:52:45.05 0.1 undecidable manual P 0 18.4704 50 0.21 97
IV.SOI.EHZ. 2020-03-04T04:52:45.09 0.1 undecidable manual P 68 21.3675 50 -0.19 97
IT.RCU.HGZ. 2020-03-04T04:52:44.90 0.1 undecidable manual P 313 19.3695 50 -0.08 100
IV.MTTG.HHZ. 2020-03-04T04:52:43.79 0.1 undecidable manual P 271 11.1777 134 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTTG.HHE. ML:2.2 0.0019915034999999997 0.24 AML other m 2020-03-04T04:52:46.30
IV.MTTG.HHN. ML:2.4 0.00287794735 0.1184 AML other m 2020-03-04T04:52:46.34
IV.SOI.EHE. ML:2.0 0.00059920065 0.3392 AML other m 2020-03-04T04:52:48.54
IV.SOI.EHN. ML:1.9 0.00050708985 0.32 AML other m 2020-03-04T04:52:48.98
MN.CEL.HHE. ML:2.2 0.00071737575 0.1984 AML other m 2020-03-04T04:52:51.05
MN.CEL.HNE. ML:2.2 0.00070853215 0.1984 AML other m 2020-03-04T04:52:51.05
IV.SICLA.EHN. ML:2.3 0.0009500189 0.4384 AML other m 2020-03-04T04:52:51.71
MN.CEL.HHN. ML:2.0 0.00054690945 0.3008 AML other m 2020-03-04T04:52:52.52
MN.CEL.HNN. ML:2.0 0.0005361748 0.32 AML other m 2020-03-04T04:52:52.52
IV.MSRU.HHE. ML:2.2 0.000596984 0.4192 AML other m 2020-03-04T04:52:54.19
IV.MSRU.HHN. ML:2.1 0.00044214605 0.2784 AML other m 2020-03-04T04:52:54.54
IV.SICLA.EHE. ML:2.1 0.0005689474999999999 0.4 AML other m 2020-03-04T04:52:54.50
IV.MPNC.HHN. ML:2.5 0.0010671248499999999 0.24 AML other m 2020-03-04T04:52:55.79
IV.MPNC.HHE. ML:2.4 0.00077186545 0.32 AML other m 2020-03-04T04:52:55.98
IV.AIO.HHE. ML:1.7 0.00012915765 0.32 AML other m 2020-03-04T04:52:59.20
IV.AIO.HHN. ML:1.7 0.00012413893 0.2592 AML other m 2020-03-04T04:52:59.08
IV.JOPP.HHE. ML:1.8 0.00010121256 0.1984 AML other m 2020-03-04T04:53:01.94
IV.JOPP.HHN. ML:1.8 0.00010219012500000001 0.4384 AML other m 2020-03-04T04:53:04.28
IV.HLNI.HHN. ML:1.9 0.00006356978 1.3984 AML other m 2020-03-04T04:53:12.71
IV.HLNI.HHE. ML:1.8 0.00004919169 0.88 AML other m 2020-03-04T04:53:26.82
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