1 Mar 2026, 22:07 UTC · Mar 1, 5:07 PM ET

M4.5 earthquake 78 km WNW of Calingasta, Argentina

A magnitude 4.5 earthquake struck 78 km WNW of Calingasta, Argentina at Mar 1, 5:07 PM ET, 127 km deep, light – felt by most people nearby, rattling windows, rarely damage.

under 33–44–55–66+

Magnitude	4.5 mb
Time	1 Mar 2026, 22:07 UTC
Location	-31.113°, -70.204° – 78 km WNW of Calingasta, Argentina
Depth	127.3 km
Felt reports	0
USGS event	us7000s1bq

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
5.0	16 km SW of Calingasta, Argentina	Mar 9, 2:10 AM 222 d ago	120 km	5 reports
4.8	16 km SE of Calingasta, Argentina	Apr 17, 2:19 AM 183 d ago	120 km	3 reports
4.7	42 km N of Calingasta, Argentina	Oct 28, 2:17 PM 353 d ago	109 km	–
4.4	30 km E of Salamanca, Chile	Jun 13, 5:56 AM 125 d ago	108 km	–
4.4	46 km E of Salamanca, Chile	May 11, 1:14 PM 158 d ago	3 km	–
4.4	65 km SW of Calingasta, Argentina	Jan 31, 6:28 PM 258 d ago	136 km	–
4.4	68 km WNW of Calingasta, Argentina	Jan 27, 6:49 PM 262 d ago	112 km	–
4.4	77 km E of Monte Patria, Chile	Jan 26, 5:11 PM 263 d ago	122 km	–
4.4	48 km NW of Calingasta, Argentina	Dec 26, 12:37 AM 295 d ago	117 km	1 report
4.3	38 km S of Calingasta, Argentina	May 31, 3:40 AM 139 d ago	109 km	–
4.3	43 km NE of Illapel, Chile	Oct 22, 9:09 AM 359 d ago	97 km	–
4.2	27 km SSW of Calingasta, Argentina	May 6, 7:15 AM 163 d ago	124 km	–

FAQ

About this earthquake

How strong was the 78 km WNW of Calingasta, Argentina earthquake?

Magnitude 4.5 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 127 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M5.0.

Earthquakes

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.